Select Page

China high quality Ring Bike Bicycle Motor Plastic Spline Shaft Tooth Worm Spur Helical Bevel International Internal Gears Hub Replacement of Sepeda Sturm with Good quality

Product Description

 ring bike bicycle motor plastic spline shaft tooth worm spur helical bevel  international Internal Gears hub replacement of sepeda  sturm

Product Description

Click the picture to learn more

Spur gear

Helical gear

Double helical gear
herringbone gear

Miter gear

Spiral Bevel Gear

Straight bevel gear

Internal gear

Worm gear & worm shaft

Gear rack

We can produce large forging,casting and welding gears according to customer’s drawings.According to the working conditions and clients’ request,we also can do gear grinding,surface hardening,cemented and quenching,Nitriding and quenching,etc.


C45,40Cr,20CrMnTi,42CrMo, Copper, Stainless steel and so on as per your requests.


F.orging, Machining, Hobbing, Milling, Shaving, Grinding, Heat treatment….…

Heat Treatment


Main Machines

NC Gear Hobbing Machines, NC Gear Shapers(Gealson, Moude), NC lathe, NC gear Shaving machines, NC gear milling, Nc gear grinding
Machines and many kinds of gear related machines.


Our company specializes in manufacturing custom-made large-scale gears for various industrial applications, employing advanced forging, casting, and welding techniques as per our clients’ exact specifications and technical drawings. We take pride in our ability to create gears that not only meet but exceed expectations in terms of durability and performance under demanding working conditions.

In addition to precision fabrication, we offer an array of post-processing services tailored to enhance gear longevity and functionality. These value-added treatments include:

  • Gear Grinding: Ensuring exceptional surface finish and high accuracy of tooth profiles for smoother operation and reduced noise.

  • Surface Hardening: Applying processes like induction hardening or flame hardening to form a hardened wear-resistant surface layer while preserving a tough interior core, ideal for gears subject to high loads and surface wear.

  • Cementation (Carburizing): A heat treatment process where carbon is diffused into the surface of the gear to increase its hardness, enhancing load-bearing capabilities without compromising toughness.

  • Quenching: Rapid cooling after heating to achieve the desired microstructure and mechanical properties, thereby improving hardness and strength of the gears.

  • Nitriding and Quenching: Nitriding involves introducing nitrogen into the surface layer to create a hard and wear-resistant case, often followed by quenching to further refine the material’s properties. This combination results in gears with superior fatigue resistance and improved service life.

Each of these processes is meticulously executed under strict quality control measures to ensure that every gear component produced meets stringent standards and client requirements. Our commitment to customization allows us to cater to diverse industries and unique operational environments, providing customers with gears that are specifically designed and treated to withstand their specific application demands.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Manufacturing Method: Rolling Gear
Toothed Portion Shape: Spur Gear
Material: Stainless Steel
US$ 9999/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

How do you ensure proper alignment when connecting internal gears?

Ensuring proper alignment when connecting internal gears is crucial for the smooth and efficient operation of the gear system. Here’s a detailed explanation of how to achieve proper alignment when connecting internal gears:

  • Precision Manufacturing: Proper alignment starts with precision manufacturing processes. The gears should be accurately machined, ensuring precise tooth profiles, correct center distances, and concentricity. High-quality manufacturing techniques, such as grinding or hobbing, help achieve the required dimensional accuracy and tooth geometry, facilitating proper alignment.
  • Alignment Marks: Alignment marks or indicators can be used during assembly to assist in aligning the gears correctly. These marks can be etched or stamped on the gear bodies or shafts and serve as visual references for aligning the gears during installation. Alignment marks help ensure that the gears are properly positioned and aligned relative to each other.
  • Shaft Alignment: Proper alignment of the shafts on which the internal gears are mounted is essential. Misalignment of shafts can lead to uneven load distribution, increased friction, and accelerated wear. Techniques such as laser alignment or dial indicators can be used to measure and adjust the shaft alignment, ensuring that the gears are aligned along their rotational axes.
  • Center Distance Control: The center distance between the internal and mating gears should be accurately controlled. Deviations in center distance can result in improper meshing, increased noise, and premature wear. Careful measurement and adjustment of the center distance during assembly help achieve proper alignment and ensure optimal gear engagement.
  • Bearing Alignment: Proper alignment of the bearings that support the internal gears is crucial for maintaining gear alignment. Misalignment of bearings can introduce additional loads, vibration, and premature wear. It is essential to follow manufacturer guidelines and use appropriate techniques, such as precision shimming or alignment tools, to ensure correct bearing alignment.
  • Preload and Backlash Adjustment: Preload and backlash, which are related to the axial movement between gears, should be properly adjusted. Preload ensures sufficient contact between gear teeth, while backlash allows for smooth engagement. Following manufacturer recommendations, adjusting shims or using specialized preload devices helps achieve the desired preload and backlash values, contributing to proper gear alignment.
  • Tightening Sequence: When fastening gears to shafts or connecting components, it is important to follow the recommended tightening sequence. Gradual and uniform tightening across multiple fasteners helps maintain alignment and minimizes the introduction of unwanted stress or misalignment. Following the specified tightening sequence ensures that the gears remain aligned during the assembly process.
  • Alignment Verification: After the gears are connected, it is important to verify the alignment. This can be done through various methods, including visual inspection, dimensional measurements, or specialized alignment tools. Verifying the alignment confirms that the gears are correctly positioned and aligned, providing confidence in their proper functioning.

By implementing these alignment practices during the gear assembly process, proper alignment can be achieved when connecting internal gears. This promotes smooth and efficient gear operation, reduces wear, minimizes noise, and enhances the overall performance and longevity of the gear system.

China high quality Ring Bike Bicycle Motor Plastic Spline Shaft Tooth Worm Spur Helical Bevel International Internal Gears Hub Replacement of Sepeda Sturm with Good qualityChina high quality Ring Bike Bicycle Motor Plastic Spline Shaft Tooth Worm Spur Helical Bevel International Internal Gears Hub Replacement of Sepeda Sturm with Good quality
editor by Dream 2024-04-23


Recent Posts