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China Professional Custom Machinery Gear Parts Stainless Steel Machine Gear Parts Metal Cnc Machining Milling Parts Bevel Spur Gear wholesaler

Condition: New
Warranty: 6 Months
Shape: Rack Gear
Applicable Industries: Building Material Shops, Manufacturing Plant
Weight (KG): 2
Showroom Location: None
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: New Product
Warranty of core components: 1 Year
Core Components: Gear
Model Number: CUSTOM
Material: Stainless steel, Copper
Processing: CNC
Standard or Nonstandard: Nonstandard
Process: cnc Machining
Application: Machinery
Surface treatment: Electroplating
Service: Customize ODM OEM
Color: Custom Accepted
Type: CNC Processing
Product name: GEAR
Quality: High-level
Packing: Standard Packing
Packaging Details: CARTON
Port: HangZhou/ZheJiang

Specification

itemvalue
Place of OriginChina
ZHangZhoug
Brand Name
Model Numbercnc-002
MaterialCopper
Processcnc Machining
ApplicationMachinery
Surface treatmentElectroplating
ServiceCustomize ODM OEM
ColorCustom Accepted
TypeCNC Processing
Product nameSheet Metal Fabrication Service
Company Profile DTM Machinery(DOT METAL WORK) is a leading sheet metal fabrication and machining parts specialist manufacturing facility. Our fully equipped facility carries out precision sheet metal processes on a complete range of materials including Mild Steel, Stainless Steel and Aluminum in varying thicknesses.We are fully experienced in a range of different manufacturing concepts including sheet metal cabinets, outdoor telecom cabinet, battery cabinets, electronic cabinets, sheet metal enclosers, sheet metal chassis fabric work and aluminium boxes stainless steel panels, stamping parts, High quality popular 24K copper gold bracelet button watch chain simple items creative hollow jewelry for women CNC machining parts etc. However, if you can’t find what you are looking for on the list, we ask that you contact us. Our engineering team can help you with design concepts, re-working projects and design changes. We also offer product enhancement and reverse engineering work. We appreciate cost structure is an important part of any manufacturing project. Our team will work closely with you to make sure we stay on budget and find the right cost-effective solutions. The philosophy of the DTM team is to work closely with our partners and form long-term working relationships. Our goal is always to innovate and make advances in our field. The focus of our company is very much on providing our partners and clients with a synergy that delivers results for both parties. Please feel free to get in touch. We are delighted to discuss your requirements with you and help you to achieve your commercial goals. FAQ 1. who are we?We are based in ZHangZhoug, China, start from 2571,sell to Western Europe(40.00%),Oceania(30.00%),Mid East(15.00%), MY6812 24V 150W With Sprocket Scooter Small Brush Motor With Belt Pulley Electric Scooter Bike Accessory Tool High Speed Motor North America(10.00%),South America(5.00%). There are total about 11-50 people in our office.2. how can we guarantee quality?Always a pre-production sample before mass production;Always final Inspection before shipment;3.what can you buy from us?Metal Fabrication,Metal Stamping,CNC machining,cabinets & frames,molds4. why should you buy from us not from other suppliers?Our engineering team can help you with design concepts, re-working projects and design changes. We also offer product enhancement and reverse engineering work. We appreciate cost structure is an important part of any manufacturing project.5. what services can we provide?Accepted Delivery Terms: FOB, GD-30006A Motorcycle Variator Clutch Kit Drive Cvt Pulley Set Fit for Jog 50 CIF,EXW,DDP,DDU;Accepted Payment Currency:USD,EUR;Accepted Payment Type: T/T,Credit Card,PayPal,Western Union; 2080 italy type air compressor head with big capacity 300L 500L portable belt air compressor Language Spoken:English,French

gear

Benefits and Uses of Miter Gears

If you’ve ever looked into the differences between miter gears, you’re probably wondering how to choose between a Straight toothed and Hypoid one. Before you decide, however, make sure you know about backlash and what it means. Backlash is the difference between the addendum and dedendum, and it prevents jamming of the gears, protects the mating gear surfaces, and allows for thermal expansion during operation.

Spiral bevel gears

Spiral bevel gears are designed to increase efficiency and reduce cost. The spiral shape creates a profile in which the teeth are cut with a slight curve along their length, making them an excellent choice for heavy-duty applications. Spiral bevel gears are also hypoid gears, with no offsets. Their smaller size means that they are more compact than other types of right-angle gears, and they are much quieter than other types of gear.
Spiral bevel gears feature helical teeth arranged in a 90-degree angle. The design features a slight curve to the teeth, which reduces backlash while increasing flexibility. Because they have no offsets, they won’t slip during operation. Spiral bevel gears also have less backlash, making them an excellent choice for high-speed applications. They are also carefully spaced to distribute lubricant over a larger area. They are also very accurate and have a locknut design that prevents them from moving out of alignment.
In addition to the geometric design of bevel gears, CZPT can produce 3D models of spiral bevel gears. This software has gained widespread attention from many companies around the world. In fact, CZPT, a major manufacturer of 5-axis milling machines, recently machined a prototype using a spiral bevel gear model. These results prove that spiral bevel gears can be used in a variety of applications, ranging from precision machining to industrial automation.
Spiral bevel gears are also commonly known as hypoid gears. Hypoid gears differ from spiral bevel gears in that their pitch surface is not at the center of the meshing gear. The benefit of this gear design is that it can handle large loads while maintaining its unique features. They also produce less heat than their bevel counterparts, which can affect the efficiency of nearby components.

Straight toothed miter gears

Miter gears are bevel gears that have a pitch angle of 90 degrees. Their gear ratio is 1:1. Miter gears come in straight and spiral tooth varieties and are available in both commercial and high precision grades. They are a versatile tool for any mechanical application. Below are some benefits and uses of miter gears. A simple explanation of the basic principle of this gear type is given. Read on for more details.
When selecting a miter gear, it is important to choose the right material. Hard faced, high carbon steel is appropriate for applications requiring high load, while nylon and injection molding resins are suitable for lower loads. If a particular gear becomes damaged, it’s advisable to replace the entire set, as they are closely linked in shape. The same goes for spiral-cut miter gears. These geared products should be replaced together for proper operation.
Straight bevel gears are the easiest to manufacture. The earliest method was using an indexing head on a planer. Modern manufacturing methods, such as the Revacycle and Coniflex systems, made the process more efficient. CZPT utilizes these newer manufacturing methods and patented them. However, the traditional straight bevel is still the most common and widely used type. It is the simplest to manufacture and is the cheapest type.
SDP/Si is a popular supplier of high-precision gears. The company produces custom miter gears, as well as standard bevel gears. They also offer black oxide and ground bore and tooth surfaces. These gears can be used for many industrial and mechanical applications. They are available in moderate quantities from stock and in partial sizes upon request. There are also different sizes available for specialized applications.
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Hypoid bevel gears

The advantages of using Hypoid bevel and helical gears are obvious. Their high speed, low noise, and long life make them ideal for use in motor vehicles. This type of gear is also becoming increasingly popular in the power transmission and motion control industries. Compared to standard bevel and helical gears, they have a higher capacity for torque and can handle high loads with less noise.
Geometrical dimensioning of bevel/hypoid bevel gears is essential to meet ANSI/AGMA/ISO standards. This article examines a few ways to dimension hypoid bevel and helical gears. First, it discusses the limitations of the common datum surface when dimensioning bevel/helical gear pairs. A straight line can’t be parallel to the flanks of both the gear and the pinion, which is necessary to determine “normal backlash.”
Second, hypoid and helical gears have the same angular pitch, which makes the manufacturing process easier. Hypoid bevel gears are usually made of two gears with equal angular pitches. Then, they are assembled to match one another. This reduces noise and vibration, and increases power density. It is recommended to follow the standard and avoid using gears that have mismatched angular pitches.
Third, hypoid and helical gears differ in the shape of the teeth. They are different from standard gears because the teeth are more elongated. They are similar in appearance to spiral bevel gears and worm gears, but differ in geometry. While helical gears are symmetrical, hypoid bevel gears are non-conical. As a result, they can produce higher gear ratios and torque.

Crown bevel gears

The geometrical design of bevel gears is extremely complex. The relative contact position and flank form deviations affect both the paired gear geometry and the tooth bearing. In addition, paired gears are also subject to process-linked deviations that affect the tooth bearing and backlash. These characteristics require the use of narrow tolerance fields to avoid quality issues and production costs. The relative position of a miter gear depends on the operating parameters, such as the load and speed.
When selecting a crown bevel gear for a miter-gear system, it is important to choose one with the right tooth shape. The teeth of a crown-bevel gear can differ greatly in shape. The radial pitch and diametral pitch cone angles are the most common. The tooth cone angle, or “zerol” angle, is the other important parameter. Crown bevel gears have a wide range of tooth pitches, from flat to spiral.
Crown bevel gears for miter gear are made of high-quality materials. In addition to metal, they can be made of plastic or pre-hardened alloys. The latter are preferred as the material is less expensive and more flexible than steel. Furthermore, crown bevel gears for miter gears are extremely durable, and can withstand extreme conditions. They are often used to replace existing gears that are damaged or worn.
When selecting a crown bevel gear for a miter gear, it is important to know how they relate to each other. This is because the crown bevel gears have a 1:1 speed ratio with a pinion. The same is true for miter gears. When comparing crown bevel gears for miter gears, be sure to understand the radii of the pinion and the ring on the pinion.
gear

Shaft angle requirements for miter gears

Miter gears are used to transmit motion between intersecting shafts at a right angle. Their tooth profile is shaped like the mitre hat worn by a Catholic bishop. Their pitch and number of teeth are also identical. Shaft angle requirements vary depending on the type of application. If the application is for power transmission, miter gears are often used in a differential arrangement. If you’re installing miter gears for power transmission, you should know the mounting angle requirements.
Shaft angle requirements for miter gears vary by design. The most common arrangement is perpendicular, but the axes can be angled to almost any angle. Miter gears are also known for their high precision and high strength. Their helix angles are less than ten degrees. Because the shaft angle requirements for miter gears vary, you should know which type of shaft angle you require before ordering.
To determine the right pitch cone angle, first determine the shaft of the gear you’re designing. This angle is called the pitch cone angle. The angle should be at least 90 degrees for the gear and the pinion. The shaft bearings must also be capable of bearing significant forces. Miter gears must be supported by bearings that can withstand significant forces. Shaft angle requirements for miter gears vary from application to application.
For industrial use, miter gears are usually made of plain carbon steel or alloy steel. Some materials are more durable than others and can withstand higher speeds. For commercial use, noise limitations may be important. The gears may be exposed to harsh environments or heavy machine loads. Some types of gears function with teeth missing. But be sure to know the shaft angle requirements for miter gears before you order one.

China Professional Custom Machinery Gear Parts Stainless Steel Machine Gear Parts Metal Cnc Machining Milling Parts Bevel Spur Gear wholesaler China Professional Custom Machinery Gear Parts Stainless Steel Machine Gear Parts Metal Cnc Machining Milling Parts Bevel Spur Gear wholesaler
editor by Cx 2023-07-04

China Hot selling Mechanical Parts Transmission Shaft Factory Steel Precision Transmission CNC Machining New Energy Vehicle Transmission Steel Flange with Hot selling

Product Description

Company Profile

 

HangZhou Xihu (West Lake) Dis. East Port Gear Manufacturing factory is located in Zhoujia Industrial Zone, CZPT Town, HangZhou, 3km away from Xihu (West Lake) Dis.iqian Lake. It focuses on precision gear research, development, production and sales. The factory has obtained ISO9001: 2015 certificate, IATF16949:2016. The main export markets were North America, South America and Europe. Products can be customized and mainly includes: New Energy Motor Shaft, Oil Pump Gear, Agricultural Machinery Gear, Transmission Gear, Electric Vehicle gear, etc. We are sincerely willing to cooperate with enterprises from all over the world. 

Equipment And Main Products

 

Certifications

FAQ

Q1:How is the quality of your product?
A:Our product has reliable quality,  high wear life

Q2:Customization process/work flow?
Advisory – Material selection – 2D/3D Drawing – Quotation – Payment – Production – Quality Control – Package – Delivery

Q3: What is your terms of packing?
A:Generally, we pack our goods in wooden cases, If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.

Q4:Price?
A:We will offer competitive price after receiving your drawing

Q5:What is your terms of payment?

A:30% T/T advanced, 70% T/T before shipping

Q6:What is your terms of delivery?
A: FOB

Q7:What drawing software does your company use?
A:CAXA

Q8:Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q9:How about your delivery time?
A:Product can often be delivered within 40-90 days

Q10:Sample?
A:We offer paid sample.If you have sample requirements, please feel free to contact us at any time

Q11:What logistics packaging does your company use?
A:Express for urgent orders. UPS, FedEx, DHL, TNT, EMS.

Q12:Application range?
A:Automotive, medical, automation, agricultural, marine, etc.
 

Q13: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
   2. We respect every customer as our friend and we sincerely do business and make friends with them, 
   no matter where they come from.

 

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

Gear

Synthesis of Epicyclic Gear Trains for Automotive Automatic Transmissions

In this article, we will discuss the synthesis of epicyclic gear trains for automotive automatic transmissions, their applications, and cost. After you have finished reading, you may want to do some research on the technology yourself. Here are some links to further reading on this topic. They also include an application in hybrid vehicle transmissions. Let’s look at the basic concepts of epicyclic gear trains. They are highly efficient and are a promising alternative to conventional gearing systems.

Synthesis of epicyclic gear trains for automotive automatic transmissions

The main purpose of automotive automatic transmissions is to maintain engine-drive wheel balance. The kinematic structure of epicyclic gear trains (EGTs) is derived from graph representations of these gear trains. The synthesis process is based on an algorithm that generates admissible epicyclic gear trains with up to ten links. This algorithm enables designers to design auto gear trains that have higher performance and better engine-drive wheel balance.
In this paper, we present a MATLAB optimization technique for determining the gear ratios of epicyclic transmission mechanisms. We also enumerate the number of teeth for all gears. Then, we estimate the overall velocity ratios of the obtained EGTs. Then, we analyze the feasibility of the proposed epicyclic gear trains for automotive automatic transmissions by comparing their structural characteristics.
A six-link epicyclic gear train is depicted in the following functional diagram. Each link is represented by a double-bicolor graph. The numbers on the graph represent the corresponding links. Each link has multiple joints. This makes it possible for a user to generate different configurations for each EGT. The numbers on the different graphs have different meanings, and the same applies to the double-bicolor figure.
In the next chapter of this article, we discuss the synthesis of epicyclic gear trains for automotive automatic transaxles. SAE International is an international organization of engineers and technical experts with core competencies in aerospace and automotive. Its charitable arm, the SAE Foundation, supports many programs and initiatives. These include the Collegiate Design Series and A World In Motion(r) and the SAE Foundation’s A World in Motion(r) award.
Gear

Applications

The epicyclic gear system is a type of planetary gear train. It can achieve a great speed reduction in a small space. In cars, epicyclic gear trains are often used for the automatic transmission. These gear trains are also useful in hoists and pulley blocks. They have many applications in both mechanical and electrical engineering. They can be used for high-speed transmission and require less space than other types of gear trains.
The advantages of an epicyclic gear train include its compact structure, low weight, and high power density. However, they are not without disadvantages. Gear losses in epicyclic gear trains are a result of friction between gear tooth surfaces, churning of lubricating oil, and the friction between shaft support bearings and sprockets. This loss of power is called latent power, and previous research has demonstrated that this loss is tremendous.
The epicyclic gear train is commonly used for high-speed transmissions, but it also has a small footprint and is suitable for a variety of applications. It is used as differential gears in speed frames, to drive bobbins, and for the Roper positive let-off in looms. In addition, it is easy to fabricate, making it an excellent choice for a variety of industrial settings.
Another example of an epicyclic gear train is the planetary gear train. It consists of two gears with a ring in the middle and the sun gear in the outer ring. Each gear is mounted so that its center rotates around the ring of the other gear. The planet gear and sun gear are designed so that their pitch circles do not slip and are in sync. The planet gear has a point on the pitch circle that traces the epicycloid curve.
This gear system also offers a lower MTTR than other types of planetary gears. The main disadvantage of these gear sets is the large number of bearings they need to run. Moreover, planetary gears are more maintenance-intensive than parallel shaft gears. This makes them more difficult to monitor and repair. The MTTR is also lower compared to parallel shaft gears. They can also be a little off on their axis, causing them to misalign or lose their efficiency.
Another example of an epicyclic gear train is the differential gear box of an automobile. These gears are used in wrist watches, lathe machines, and automotives to transmit power. In addition, they are used in many other applications, including in aircrafts. They are quiet and durable, making them an excellent choice for many applications. They are used in transmission, textile machines, and even aerospace. A pitch point is the path between two teeth in a gear set. The axial pitch of one gear can be increased by increasing its base circle.
An epicyclic gear is also known as an involute gear. The number of teeth in each gear determines its rate of rotation. A 24-tooth sun gear produces an N-tooth planet gear with a ratio of 3/2. A 24-tooth sun gear equals a -3/2 planet gear ratio. Consequently, the epicyclic gear system provides high torque for driving wheels. However, this gear train is not widely used in vehicles.
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Cost

The cost of epicyclic gearing is lower when they are tooled rather than manufactured on a normal N/C milling machine. The epicyclic carriers should be manufactured in a casting and tooled using a single-purpose machine that has multiple cutters to cut the material simultaneously. This approach is widely used for industrial applications and is particularly useful in the automotive sector. The benefits of a well-made epicyclic gear transmission are numerous.
An example of this is the planetary arrangement where the planets orbit the sun while rotating on its shaft. The resulting speed of each gear depends on the number of teeth and the speed of the carrier. Epicyclic gears can be tricky to calculate relative speeds, as they must figure out the relative speed of the sun and the planet. The fixed sun is not at zero RPM at mesh, so the relative speed must be calculated.
In order to determine the mesh power transmission, epicyclic gears must be designed to be able to “float.” If the tangential load is too low, there will be less load sharing. An epicyclic gear must be able to allow “float.” It should also allow for some tangential load and pitch-line velocities. The higher these factors, the more efficient the gear set will be.
An epicyclic gear train consists of two or more spur gears placed circumferentially. These gears are arranged so that the planet gear rolls inside the pitch circle of the fixed outer gear ring. This curve is called a hypocycloid. An epicyclic gear train with a planet engaging a sun gear is called a planetary gear train. The sun gear is fixed, while the planet gear is driven.
An epicyclic gear train contains several meshes. Each gear has a different number of meshes, which translates into RPM. The epicyclic gear can increase the load application frequency by translating input torque into the meshes. The epicyclic gear train consists of 3 gears, the sun, planet, and ring. The sun gear is the center gear, while the planets orbit the sun. The ring gear has several teeth, which increases the gear speed.
Another type of epicyclic gear is the planetary gearbox. This gear box has multiple toothed wheels rotating around a central shaft. Its low-profile design makes it a popular choice for space-constrained applications. This gearbox type is used in automatic transmissions. In addition, it is used for many industrial uses involving electric gear motors. The type of gearbox you use will depend on the speed and torque of the input and output shafts.

China Hot selling Mechanical Parts Transmission Shaft Factory Steel Precision Transmission CNC Machining New Energy Vehicle Transmission Steel Flange with Hot sellingChina Hot selling Mechanical Parts Transmission Shaft Factory Steel Precision Transmission CNC Machining New Energy Vehicle Transmission Steel Flange with Hot selling
editor by CX 2023-05-18

China Cnc Machining Milling Cnc Machined Shell Parts Tractor Spare Steel Bush Parts Cnc Machining Parts Worm Gear bevel spiral gear

CNC Machining or Not: Cnc Machining
Sort: DRILLING, Laser Machining, Milling, Turning, Wire EDM, Milling
Materials Capabilities: Aluminum, Brass, Bronze, Copper, Hardened Metals, Cherished Metals, Stainless metal, Metal Alloys
Micro Machining or Not: Micro Machining
Model Variety: OC-02
Gear: CNC Machining Centres
Color: Customized Shades
MOQ: 1-10PCS
Complete: Warmth Treatment method And so on
OEM/ODM: OEM ODM Non-common Processing
Materials Avaliable: Brass Copper Bronze Aluminum Steel
Processing Type: Axis CNC Machining Services
Certification: ISO 9001
Supply Time: 7-15 Days
Port: HangZhou

ProcessingCNC Turning, CNC Milling, Laser Cutting, Bending, Spinning, Wire Slicing, Stamping, Electric Discharge Machining (EDM), InjectionMolding
MaterialsAluminum: 2000 collection, 6000 sequence, 7075, 5052, carbon fiber auto interior add-ons for bmw 5 sequence 2017-2571 g30 g31 g38 gear shift panel seat change vent trims auto fashion modify and many others.
Stainless metal: SUS303, SUS304, SS316, SS316L, seventeen-4PH, etc.
Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc.
Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper
Titanium: Grade F1-F5
Plastic: Acetal/POM/PA/Nylon/Computer/PMMA/PVC/PU/Acrylic/Abdominal muscles/PTFE/PEEK and many others.
Surface TherapyAnodized, Bead Blasted, Silk Display, PVD Plating, Zinc/Nickel/Chrome/Titanium Plating, Brushing, Portray, Powder Coated, Custom made Forging Alloy Steel 34CrNiMo6 Higher Accuracy Huge Metal Spur Gear Wheel Girth Gear Passivation, Electrophoresis, Electro Sharpening, Knurl, Laser/Etch/Engrave and so forth.
Tolerance±0.002 ~ ±0.005mm
Surface RoughnessMin Ra .1~3.two
MaterialAluminum, stainless metal, copper, brass, galvinized and many others.
SizeCustomized
Surface therapyPowder coating, electroplating, oxide,anodization
Technicslaser cut, bend, weld, stamp
CertificationISO9001:2015
OEMAccept
Drawing Format3D/CAD/Dwg/IGS/STP
surface treamentCustomized
ApplicationAppliance, Auto, Creating, Capital products, Strength, Instrumentation, Health care system, Telecommunications

How to Design a Forging Spur Gear

Before you start designing your own spur gear, you need to understand its main components. Among them are Forging, Keyway, Spline, Set screw and other types. Understanding the differences between these types of spur gears is essential for making an informed decision. To learn more, keep reading. Also, don’t hesitate to contact me for assistance! Listed below are some helpful tips and tricks to design a spur gear. Hopefully, they will help you design the spur gear of your dreams.
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Forging spur gears

Forging spur gears is one of the most important processes of automotive transmission components. The manufacturing process is complex and involves several steps, such as blank spheroidizing, hot forging, annealing, phosphating, and saponification. The material used for spur gears is typically 20CrMnTi. The process is completed by applying a continuous through extrusion forming method with dies designed for the sizing band length L and Splitting angle thickness T.
The process of forging spur gears can also use polyacetal (POM), a strong plastic commonly used for the manufacture of gears. This material is easy to mold and shape, and after hardening, it is extremely stiff and abrasion resistant. A number of metals and alloys are used for spur gears, including forged steel, stainless steel, and aluminum. Listed below are the different types of materials used in gear manufacturing and their advantages and disadvantages.
A spur gear’s tooth size is measured in modules, or m. Each number represents the number of teeth in the gear. As the number of teeth increases, so does its size. In general, the higher the number of teeth, the larger the module is. A high module gear has a large pressure angle. It’s also important to remember that spur gears must have the same module as the gears they are used to drive.

Set screw spur gears

A modern industry cannot function without set screw spur gears. These gears are highly efficient and are widely used in a variety of applications. Their design involves the calculation of speed and torque, which are both critical factors. The MEP model, for instance, considers the changing rigidity of a tooth pair along its path. The results are used to determine the type of spur gear required. Listed below are some tips for choosing a spur gear:
Type A. This type of gear does not have a hub. The gear itself is flat with a small hole in the middle. Set screw gears are most commonly used for lightweight applications without loads. The metal thickness can range from 0.25 mm to 3 mm. Set screw gears are also used for large machines that need to be strong and durable. This article provides an introduction to the different types of spur gears and how they differ from one another.
Pin Hub. Pin hub spur gears use a set screw to secure the pin. These gears are often connected to a shaft by dowel, spring, or roll pins. The pin is drilled to the precise diameter to fit inside the gear, so that it does not come loose. Pin hub spur gears have high tolerances, as the hole is not large enough to completely grip the shaft. This type of gear is generally the most expensive of the three.
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Keyway spur gears

In today’s modern industry, spur gear transmissions are widely used to transfer power. These types of transmissions provide excellent efficiency but can be susceptible to power losses. These losses must be estimated during the design process. A key component of this analysis is the calculation of the contact area (2b) of the gear pair. However, this value is not necessarily applicable to every spur gear. Here are some examples of how to calculate this area. (See Figure 2)
Spur gears are characterized by having teeth parallel to the shafts and axis, and a pitch line velocity of up to 25 m/s is considered high. In addition, they are more efficient than helical gears of the same size. Unlike helical gears, spur gears are generally considered positive gears. They are often used for applications in which noise control is not an issue. The symmetry of the spur gear makes them especially suitable for applications where a constant speed is required.
Besides using a helical spur gear for the transmission, the gear can also have a standard tooth shape. Unlike helical gears, spur gears with an involute tooth form have thick roots, which prevents wear from the teeth. These gears are easily made with conventional production tools. The involute shape is an ideal choice for small-scale production and is one of the most popular types of spur gears.

Spline spur gears

When considering the types of spur gears that are used, it’s important to note the differences between the two. A spur gear, also called an involute gear, generates torque and regulates speed. It’s most common in car engines, but is also used in everyday appliances. However, one of the most significant drawbacks of spur gears is their noise. Because spur gears mesh only one tooth at a time, they create a high amount of stress and noise, making them unsuitable for everyday use.
The contact stress distribution chart represents the flank area of each gear tooth and the distance in both the axial and profile direction. A high contact area is located toward the center of the gear, which is caused by the micro-geometry of the gear. A positive l value indicates that there is no misalignment of the spline teeth on the interface with the helix hand. The opposite is true for negative l values.
Using an upper bound technique, Abdul and Dean studied the forging of spur gear forms. They assumed that the tooth profile would be a straight line. They also examined the non-dimensional forging pressure of a spline. Spline spur gears are commonly used in motors, gearboxes, and drills. The strength of spur gears and splines is primarily dependent on their radii and tooth diameter.
SUS303 and SUS304 stainless steel spur gears

Stainless steel spur gears are manufactured using different techniques, which depend on the material and the application. The most common process used in manufacturing them is cutting. Other processes involve rolling, casting, and forging. In addition, plastic spur gears are produced by injection molding, depending on the quantity of production required. SUS303 and SUS304 stainless steel spur gears can be made using a variety of materials, including structural carbon steel S45C, gray cast iron FC200, nonferrous metal C3604, engineering plastic MC901, and stainless steel.
The differences between 304 and 303 stainless steel spur gears lie in their composition. The two types of stainless steel share a common design, but have varying chemical compositions. China and Japan use the letters SUS304 and SUS303, which refer to their varying degrees of composition. As with most types of stainless steel, the two different grades are made to be used in industrial applications, such as planetary gears and spur gears.
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Stainless steel spur gears

There are several things to look for in a stainless steel spur gear, including the diametral pitch, the number of teeth per unit diameter, and the angular velocity of the teeth. All of these aspects are critical to the performance of a spur gear, and the proper dimensional measurements are essential to the design and functionality of a spur gear. Those in the industry should be familiar with the terms used to describe spur gear parts, both to ensure clarity in production and in purchase orders.
A spur gear is a type of precision cylindrical gear with parallel teeth arranged in a rim. It is used in various applications, such as outboard motors, winches, construction equipment, lawn and garden equipment, turbine drives, pumps, centrifuges, and a variety of other machines. A spur gear is typically made from stainless steel and has a high level of durability. It is the most commonly used type of gear.
Stainless steel spur gears can come in many different shapes and sizes. Stainless steel spur gears are generally made of SUS304 or SUS303 stainless steel, which are used for their higher machinability. These gears are then heat-treated with nitriding or tooth surface induction. Unlike conventional gears, which need tooth grinding after heat-treating, stainless steel spur gears have a low wear rate and high machinability.

China Cnc Machining Milling Cnc Machined Shell Parts Tractor Spare Steel Bush Parts Cnc Machining Parts Worm Gear     bevel spiral gearChina Cnc Machining Milling Cnc Machined Shell Parts Tractor Spare Steel Bush Parts Cnc Machining Parts Worm Gear     bevel spiral gear
editor by czh 2023-02-16

in Edmonton Canada sales price shop near me near me shop factory supplier Custom Made CNC Milling Machining Machined Injection Plastic Parts manufacturer best Cost Custom Cheap wholesaler

  in Edmonton Canada  sales   price   shop   near me   near me shop   factory   supplier Custom Made CNC Milling Machining Machined Injection Plastic Parts manufacturer   best   Cost   Custom   Cheap   wholesaler

Top quality and credit rating are the bases that make a corporation alive. We are searching forward to building effective business interactions with new consumers around the planet in the foreseeable future. If you are interested in any of our merchandise or would like to discuss a prospective get, please feel free to make contact with us. With a able machining group and extensive information of resources, EPTd EPTTries and faXiHu (West EPT) Dis.Hu (West EPT) Dis.ties, EPTT served clients in wide discipline.

We can produce precision machining parts in accordance to your thought, not only for material selecting, but also house demands and designs.

1. EPTT substance

EPTs Offered EPTT Plastic: EPTTPE, PP, PVC, Ab muscles, PMMA(Acrylic) ect.
EPT Plastic: POM, PA6, MC EPT, Nylon 66, PTFE, UHMWPE,PVDF ect.
EPT Efficiency Plastic: PPS, PEEK, PI, PEI ect.
Thermosetting Plastic: Durostone, Ricocel sheet, G10, FR4, Bakelite ect.
Spcial Plastic EPT: Plastic GF/CA/Oil/Brone/Graphit/MSO2/ceramic ect.
Spcial Plastic Plastic Alloy: PE PA, PP PA, POM PTFE ect.
EPTs: EPTT Steel, SS Steel, Brass, Iron, Bronze, EPTT, EPTTium
EPT components: EPT Plastic Merged Component

2. EPTT property
ESD, conductive, hardness, wear resistance, EPT-resistant, corrosion resistance, impact power, work temperature, EPTTresistant ect.

3. EPTT condition with drawing

EPT, rollers, wheels, foundation part, spacers, blade, liner, rack, bearings, pulley, bearing sleeves, linear XiHu (West EPT) Dis.Hu (West EPT) Dis. rail, sliding block, XiHu (West EPT) Dis.Hu (West EPT) Dis. channel, spiral, washer, positioning strip, joint, sheath, lining plate, reXiHu (West EPT) Dis.Hu (West EPT) Dis. ring, slot, skating board, frame, cavity elements, EPTT jig and fixture, PCB solEPTTpallet, profiles.
Molds, cavity, Radiator fin, prototype, outermost shell, fittings and connectors, screws , bolt #8230

Even more solutions of CNC machining:

Processing: Chopping, CNC machining, CNC milling and turning, drilling, grinding, bending, stamping, tapping, EPT
Floor complete: Zinc-plated, nickel-plated, chrome-plated, silver-plated, EPT-plated, imitation EPT-plated

Application Area:

  1. EPT and electrician
  2. Physical and EPT EPT EPT
  3. Mineral and coal
  4. Aerospace
  5. Food processing
  6. EPT printing amp dyeing sector
  7. Analytical instrument sector
  8. Healthcare system sector
  9. Semi conductor, solar, FPD sector
  10. EPTT market
  11. Oil amp Gas
  12. EPTT
  13. EPTTry and other EPTT ect.

  in Edmonton Canada  sales   price   shop   near me   near me shop   factory   supplier Custom Made CNC Milling Machining Machined Injection Plastic Parts manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Edmonton Canada  sales   price   shop   near me   near me shop   factory   supplier Custom Made CNC Milling Machining Machined Injection Plastic Parts manufacturer   best   Cost   Custom   Cheap   wholesaler

in Fortaleza Brazil sales price shop near me near me shop factory supplier Dongguan Good Quality CNC Machining Brass Gear Parts manufacturer best Cost Custom Cheap wholesaler

  in Fortaleza Brazil  sales   price   shop   near me   near me shop   factory   supplier Dongguan Good Quality CNC Machining Brass Gear Parts  manufacturer   best   Cost   Custom   Cheap   wholesaler

We also can style and make non-standard merchandise to satisfy customers’ unique needs. Each process, every area, every single purpose in EPG is demanded to be carried out one stage following yet another, cautiously and cautiously, from content choice, reformation to production equipment, from factors warmth treatment to automated assembly, from high quality control to merchandise inspection and screening and from order working to right after revenue support. PersonnelOur sales people are nicely trained to accommodate your requests and converse English for your convenience. HangEPT excellent high quality cnc machining brass EPT elements(S-571)

Application: EPTTry, EPTT, Optoelectronic, EPTT electronics, Healthcare, EPTT,EPTcycle, Bicycle, and many others.

EPT EPTs,Surface Finish amp Method:
EPTs We Use:

  • Stainless Metal:

AISI 303, 304, 316, 316L, 430F, 440C, 630

  • EPTT:

ASTM 380, 2017, 2011, 2571, 5051, 5052, 5056, 6013, 6061, 6063, 6082, 7075, ADC10 (AISi8Cu3) , Extruded/Extrusion EPTT is available

  • EPTT and Alloy Metal:

AISI 1008, 1571, 1015, 1571, 1030, 1045, 1060, 12L14, 1144, 1215, 4140, 4340, SCM440

  • Brass:

CA260, C36000, C3601, C3602, C3603, C3604, C37700, C3771,Hpb59-one,H62,C27200(CuZn37),And many others.

  • Plastic:

POM, NYLON, NORYL, Acetal, Delrin, EPTcarbonate, PEEK, Acrylic, Abdominal muscles

  • EPT EPT:

EPTTium 6AL-4V, CarpEPTTr Invar 36, Remko B, Nickel Silver C79200, AEPT 4640 (EPTT Bronze), Hastelloy C276 Nickel Alloy

Complete We Do:

* Nickel Plating / Electroless Nickel Plated / Zinc Plated / Difficult Chrome Plating
* Anodizing / Hard Anodized
* Black OXiHu (West EPT) Dis.de
* Passivation
* Sand Blasting
* Laser Marking
* PowEPTTCoating
* Chem Movie
* Vacuum Deposited EPTT (Mirror Finish) / #4 Brushed Finish / #eight Mirror End

Processing Variety:

CNC turning, CNC Lathing, CNC Milling, Drilling,EPT,Wire EDM cutting,etc.

EPT Processing Size:

MaXiHu (West EPT) Dis.mum Processing Diameter: 150mm
MaXiHu (West EPT) Dis.mum Processing Size:300mm
MaXiHu (West EPT) Dis.mum Processing Depth:120mm
Floor roughness: Ra .3um
Processing Tolorance:.007mm
Used Application:Pro/E,Automobile CAD, Reliable Operates,IGS,UG,CAD/CAM/CAE
EPTT materials we use(According to customer’s request):EPTT-friendly PP bag, EPTE foam, carton box, picket box, paper, blister movie, bubble film,plastic net,Anti-Corrosion Luggage,etc
Demo Sample Shipping Time:7-14days
Mass Batch Generation Delivery Time: 30days, negotiable according to the orEPTTquantity

We do the merchandise according to customer’s drawing with supplies request, surface end request. ODM amp OEM merchandise are welcome!

EPTT EPTT:

We manage our merchandise good quality by diverse take a look at instrument and EPTTs. All goods must be do inspection in accordance to customer’s ask for prior to EPTT.

EPTT amp Transport:

We pack our goods in accordance to customer’s request by different supplies. We will ship our products by courier, by air or by sea.

FAQ:

Q: Are you a investing business or a manufacture?
A: We are a factory.

Q: Will you supply samples?How EPTT is your sample and production guide time?
A: For samples, we could provide totally free sample.EPTTly one-two months, it depends on your elements kind. For mass batch creation , two-4 months typically, negotiable in accordance to orEPTTquantity.

Q: What waEPTTcan i know how my products is going on without visiting your organization?
A: We will provide a detailed creation timetable and send out you weekly report to demonstrating where we are.

Q: How you manage the quality?
A: We are an ISO certificated machining supplier, an powerful in-process high quality handle movement chart was accessible in manufacturing as confirmed above. If you want more information, just truly feel totally free to get in touch with with

Q:how do you give me the value?
A:we can quotation price tag in accordance to your drawning layout,material,end and give you the ideal price.

Q:how is your organization payment conditions?
A: byT/T,L/C,and so on,generally,fifty% deposit,fifty% stability prior to the cargo.

Welcome to contact us:

Miss out on Sunny Deng

HangEPT S-BrigEPTT EPT EPTTry EPTT,Ltd
Handle: No.eight Shengping Rd, Yangwu Cun, Dalang Town, HangEPT EPTT, ZheJiang Province of EPTT
TEL:-769-83057146, Fax:-769-83057145

World wide web:www.EPT.net

  in Fortaleza Brazil  sales   price   shop   near me   near me shop   factory   supplier Dongguan Good Quality CNC Machining Brass Gear Parts  manufacturer   best   Cost   Custom   Cheap   wholesaler

  in Fortaleza Brazil  sales   price   shop   near me   near me shop   factory   supplier Dongguan Good Quality CNC Machining Brass Gear Parts  manufacturer   best   Cost   Custom   Cheap   wholesaler

Steel made in China – replacement parts – in San Juan Puerto Rico Carbon Steel Stainless Steel Gear Forging CNC Machining for Machinery Parts with ce certificate top quality low price

Steel  made in China - replacement parts -  in San Juan Puerto Rico  Carbon Steel Stainless Steel Gear Forging CNC Machining for Machinery Parts with ce certificate top quality low price

Steel  made in China - replacement parts -  in San Juan Puerto Rico  Carbon Steel Stainless Steel Gear Forging CNC Machining for Machinery Parts with ce certificate top quality low price

We – EPG Team the bigge EPT Chain and agricultural gearbox manufacturing unit in China with 5 various branches. For much more specifics: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

one, manufacturing technology: forging CNC machining.
two,Materials: gray iron stainless steel carbon metal
three, one procedure, large precision, little surface area roughness,
4, tailored, we make the areas according to drawings or samples,
5, we will inspect the components strictly and provide content and inspection report.

Packing and Delivery
Grey Iron Housing with Sand Casting Process
1. Common: crate
2. Shipping: As per deal delivery on time
3. Shipping and delivery: As per client request. 

Our advantages
one.We can handle the items to meet your stringent requirement.
two. Diverse sorts of end obtainable, like anodized, power coating, portray, sharpening, electrophoresis, plating. And so forth.
three. Different proportions in accordance to the specifications
four. Can give various measurements and packing in accordance to particular requirements
5. We offer you the engineer session to your design and style for manufacturing advancement and co EPT preserving

Our Support:
1.Your inquiry associated to our products or charges will be replied in 24 hrs.
two.Individual formula in accordance to customers’ particular drawing requests.
3.Manufacturer with big ability, ensures the fa EPT manufacturing cycle right after
confirming the buy.
four.Defense of income location and non-public data for all of our clients.

 

The use of unique products manufacturer’s (OEM) element figures or logos , e.g. CASE® and John Deere® are for reference needs only and for indicating item use and compatibility. Our firm and the outlined substitute elements contained herein are not sponsored, accepted, or produced by the OEM.

Steel  made in China - replacement parts -  in San Juan Puerto Rico  Carbon Steel Stainless Steel Gear Forging CNC Machining for Machinery Parts with ce certificate top quality low price

Steel  made in China - replacement parts -  in San Juan Puerto Rico  Carbon Steel Stainless Steel Gear Forging CNC Machining for Machinery Parts with ce certificate top quality low price

Steel  made in China - replacement parts -  in San Juan Puerto Rico  Carbon Steel Stainless Steel Gear Forging CNC Machining for Machinery Parts with ce certificate top quality low price

OEM supplier made in China – replacement parts – in Novokuznetsk Russian Federation Customized Power Transmission CNC Machining Parts with top quality

OEM  supplier  made in China - replacement parts -  in Novokuznetsk Russian Federation  Customized Power Transmission CNC Machining Parts with top quality

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing facility in China with 5 distinct branches. For a lot more particulars: Mobile/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

                                                                            Merchandise Description
Products name : Personalized Stainless Metal Anodized CNC Machining Part For Mechanical Engineering
Substance : Aluminum alloy, steel alloy /stainless steel  , brass/ copper , plastics and so on 
Floor remedy : painting , coating , oxide , anodized , powder coating  ,or according customer’s requirement
samples : Fir EPT we will send out totally free sample to buyer for testing .  Then we’ll  generate in accordance to the quanlity.
Bundle :  each parts will use foam pack , outer is wood box or pallet , strong deal  guarantee products no any injury ,injured in the course of transportaion way.
Solutions : customized , OEMservice . machining service 

Cobe EPT EPT is speciali EPT of EPT industrialparts,
OEM  fasteners :screw, bolt,nut ,pin,anchor,washer, fittings hangers ects.
Energy transmission components :sprocket,timing belt pulley ,gear ,shaft ,belt pulley  ects 
Precision CNC parts 
Casting parts:fittings,valves ects 
Stamping parts 

We adhere to common of ISO9001,TS16949 ,SGS,RO EPT and we also assist do documentation
of PPAP stage 3  for you .Our fasteners and components are broadly utilized in Car,constructing ,agriculture,residence appliances,solar,
furnishings,mould,valve, and different EPT industries.

We have the ability to machine precision casting elements rapidly, accurately and competitively.

Kindly send your valuable Acquire Buy.

Q1. What variety of production provider do you provide?

mould creating, die casting, CNC machining, stamping, Plastics injection moulding, simple assembly and
numerous metallic floor therapy.

 

Q2. How about the direct time?

Mould : 3-5 months

Mass creation : 3-4 months

 

Q3. How about your high quality?

♦Our management and generation executed strictly according to ISO9001 : 2008 good quality Program.

♦We will make the procedure instruction when the sample is approval.  

♦ We will 100% inspect the products just before shipment.

♦If there is quality difficulty, we will provide the substitution by our shipping and delivery expense.

 

Q4. How long should we take for a quotation?

 After obtaining detail info we will estimate inside of 2 times.

 

Q5. What is your quotation factor?

Drawing or Sample, Substance, complete and Quantity.

 

Q6. What is your payment expression?

    Mould : one hundred% prepaid

    Products : 30% prepaid, harmony T/T ahead of cargo.

Speak to Particular person :
                                   Julie
                                   Cobe EPT Machinery

                                                    
 

We – EPG Team the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 different branches. For far more particulars: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of authentic gear manufacturer’s (OEM) component quantities or logos , e.g. CASE® and John Deere® are for reference needs only and for indicating solution use and compatibility. Our business and the detailed alternative elements contained herein are not sponsored, authorized, or created by the OEM.

OEM  supplier  made in China - replacement parts -  in Novokuznetsk Russian Federation  Customized Power Transmission CNC Machining Parts with top quality

OEM  supplier  made in China - replacement parts -  in Novokuznetsk Russian Federation  Customized Power Transmission CNC Machining Parts with top quality

Stainless made in China – replacement parts – in Makhachkala Russian Federation Steel Gear Ring Processed by CNC Machining with ce certificate top quality low price

Stainless  made in China - replacement parts -  in Makhachkala Russian Federation  Steel Gear Ring Processed by CNC Machining with ce certificate top quality low price

Stainless  made in China - replacement parts -  in Makhachkala Russian Federation  Steel Gear Ring Processed by CNC Machining with ce certificate top quality low price

We – EPG Team the bigge EPT Chain and agricultural gearbox manufacturing facility in China with 5 various branches. For much more particulars: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

Stainless Metal Gear Ring Processed by CNC Machining

1. Description

No. Item Description
one Identify External Equipment Ring
two Dimension Merchandise can be tailored.
three Manufacture Normal five-8 Grade ISO1328-1997.
four Content forty five#Metal,20CrMnTi,40Cr,20CrNiMo,20MnCr5,GCR15SiMn,42CrMo,2Cr13stainless metal,Nylon,Bakelite,Copper,Aluminium.and many others
5 Manufacturing Method The primary process is Equipment Hobbing and Equipment Grinding, Picking manufacturing process according to the different goods.
6 Heat Treatment Carburizing and quenching ,Higher-frequency quenching,Nitriding, Hardening and tempering, Selecting heat treatment in accordance to the distinct supplies.
seven Screening Equipment Rockwell hardness tester 500RA, Double mesh instrument High definition-200B & 3102,Equipment measurement middle instrument CNC3906T and EPT High precision detection equipments
eight Certification GB/T19001-2016/ISO9001:2015
nine Usage Used in printing equipment, cleaning device, health-related products, garden equipment, development device, electrical auto, valve, forklift, transportation tools and a variety of equipment reducers.etc
ten Package According to customer’s ask for

2. Images

 

 

 

three. Buy method
a. Customer sends us the drawing or sample, If only sample, our company offer the C EPT drawing.
b. Our firm provides the processing method and quotation.
c. Our company materials the sample following customer confirmed processing technique and quotation.
d. Buyer areas the buy following confirm the sample.
e. Client pay 50% deposit
f. Quantity manufacturing.
g. Pay out the equilibrium after the acceptance and affirmation.
h. Supply.

 

The use of authentic gear manufacturer’s (OEM) portion figures or logos , e.g. CASE® and John Deere® are for reference functions only and for indicating solution use and compatibility. Our company and the listed alternative elements contained herein are not sponsored, authorized, or manufactured by the OEM.

Stainless  made in China - replacement parts -  in Makhachkala Russian Federation  Steel Gear Ring Processed by CNC Machining with ce certificate top quality low price

Stainless  made in China - replacement parts -  in Makhachkala Russian Federation  Steel Gear Ring Processed by CNC Machining with ce certificate top quality low price

Stainless  made in China - replacement parts -  in Makhachkala Russian Federation  Steel Gear Ring Processed by CNC Machining with ce certificate top quality low price

OEM made in China – replacement parts – in Moscow Russian Federation CNC Machining Pinion Gear Housing Crown Gear Alloy Steel Gear Shaft with ce certificate top quality low price

OEM  made in China - replacement parts -  in Moscow Russian Federation  CNC Machining Pinion Gear Housing Crown Gear Alloy Steel Gear Shaft with ce certificate top quality low price

OEM  made in China - replacement parts -  in Moscow Russian Federation  CNC Machining Pinion Gear Housing Crown Gear Alloy Steel Gear Shaft with ce certificate top quality low price

We – EPG Group the bigge EPT Chain and agricultural gearbox manufacturing facility in China with 5 different branches. For far more information: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828

OEM CNC Machining Pinion Gear Housing crown gear alloy metal equipment shaft

Solution: Customized equipment
* Substance: Stainless Steel brass iron aluminum
* Sand and investment decision casting(precision casting)are all avalable
* Software for drawing: Pro/E, Automobile CAD, UG, CAD, PAF and Solidwork 2008 flow examination
* Further machining function: Turning and reducing, milling, grinding, drilling, reaming and threading
* Surface finish approach: Shot blast, chromate plating, electricity coated and anodizing
* EPT parts selection: Auto components, electronic elements, home furniture components, property equipment and EPT industrial utilizes
* Procedure: C EPT surface, matel processing, area plating, QC tests and packaging
* Created according to customers’ drawing, sepecification or/ and samples
* Castng capacity: 200 tons to 500tons/per thirty day period

 

The use of original products manufacturer’s (OEM) portion quantities or emblems , e.g. CASE® and John Deere® are for reference functions only and for indicating product use and compatibility. Our company and the detailed substitution parts contained herein are not sponsored, authorized, or made by the OEM.

OEM  made in China - replacement parts -  in Moscow Russian Federation  CNC Machining Pinion Gear Housing Crown Gear Alloy Steel Gear Shaft with ce certificate top quality low price

OEM  made in China - replacement parts -  in Moscow Russian Federation  CNC Machining Pinion Gear Housing Crown Gear Alloy Steel Gear Shaft with ce certificate top quality low price

OEM  made in China - replacement parts -  in Moscow Russian Federation  CNC Machining Pinion Gear Housing Crown Gear Alloy Steel Gear Shaft with ce certificate top quality low price