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China Best Sales Electric Car Reducer Motor Cylindrical Internal Helical Bevel Gear straight bevel gear

Product Description

Electric car reducer motor cylindrical internal helical bevel gear

Product Parameters


product name Factory Supplies High Precision Customized Standard Steel Spur Pinion Gear
material stainless steel , iron , aluminum ,bronze ,carbon steel ,brass , nylon etc .
size ISO standard  ,customer requirements
BORE Finished bore, Pilot Bore, Special request
surface treatment Carburizing and Quenching,Tempering ,Tooth suface high quenching Hardening,Tempering
Processing Method Molding, Shaving, Hobbing, Drilling, Tapping, Reaming, Manual Chamfering, Grinding etc
Heat Treatment Quenching & Tempering, Carburizing & Quenching, High-frequency Hardening, Carbonitriding……
Package Wooden Case/Container and pallet, or made-to-order
Certificate ISO9001
Machining Process Gear Hobbing, Gear Milling, Gear Shaping, Gear Broaching, Gear Shaving, Gear Grinding and Gear Lapping ,gear accuracy testing
Applications Toy, Automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment,daily living equipment, electronic sports equipment, , sanitation machinery, market/ hotel equipment supplies, etc.
Testing Equipment Rockwell hardness tester 500RA, Double mesh instrument HD-200B & 3102,Gear measurement center instrument CNC3906T and other High precision detection equipments

Company Profile





Application Field




1. why should you buy products from us not from other suppliers?
We are a 32 year-experience manufacturer on making the gear, specializing in manufacturing varieties of gears, such as helical gear ,bevel gear ,spur gear and grinding gear, gear shaft, timing pulley, rack, , timing pulley and other transmission parts .
2. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese
3. how can we guarantee quality?
1 .Always a pre-production sample before mass production;
2 .Always final Inspection before shipment;   
3 .We have high-precision CNC gear grinding machine, high-speed CNC gear hobbing machine, CNC gear shaping machine, CNC lathe, CNC machining center, various grinding machines, universal gear measuring instrument, heat treatment and other advanced processing equipment. 
4 . We have a group of experienced technical workers, more than 90% of the workers have more than 10 years of work experience in this factory, can accurately control the manufacturing of products and customer needs. We regularly train our employees to ensure that we can produce high-precision and high-quality products that are more in line with our customers’ needs.

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Packing Machine
Hardness: Hardened Tooth Surface
Gear Position: External Gear


Customized Request

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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

What is the lifespan of a typical internal gear?

The lifespan of a typical internal gear can vary depending on several factors. Here’s a detailed explanation of the factors that influence the lifespan of an internal gear:

  • Operating Conditions: The operating conditions under which the internal gear is used significantly impact its lifespan. Factors such as the magnitude and type of load, rotational speed, temperature, lubrication, and environmental conditions all play a role. Severe operating conditions, such as high loads, high speeds, or harsh environments, can reduce the lifespan of the gear.
  • Material Selection: The choice of material for the internal gear is crucial in determining its lifespan. High-strength materials with good wear resistance and fatigue properties, such as alloy steels or specialized gear steels, are commonly used to enhance the gear’s durability. Proper material selection based on the specific application requirements can significantly extend the lifespan of the gear.
  • Manufacturing Quality: The quality of manufacturing processes and techniques employed during the production of the internal gear affects its lifespan. Precise machining, heat treatment, and finishing processes are necessary to achieve the required gear geometry, surface hardness, and overall quality. Higher manufacturing quality generally results in longer gear lifespan.
  • Proper Lubrication: Adequate lubrication is essential for extending the lifespan of an internal gear. Proper lubrication minimizes friction, reduces wear, and helps dissipate heat generated during operation. Regular lubricant inspection and replacement, as well as following manufacturer-recommended lubrication practices, are necessary to ensure optimal gear performance and longevity.
  • Maintenance Practices: Regular maintenance practices can significantly impact the lifespan of an internal gear. Routine inspections, timely detection of any signs of wear or damage, and prompt repairs or replacements when necessary can help prevent further damage and extend the gear’s lifespan. Neglecting maintenance or ignoring early signs of gear degradation can lead to premature failure.
  • Load and Stress Distribution: Proper load distribution across the gear teeth is crucial for maximizing gear lifespan. Even distribution of the load minimizes stress concentrations and prevents excessive wear on individual teeth. Factors such as gear design, tooth profile optimization, and proper alignment of mating gears contribute to achieving effective load and stress distribution, which can prolong the lifespan of the internal gear.

It is challenging to provide an exact lifespan for a typical internal gear as it depends on the specific application, operating conditions, and maintenance practices. However, with proper design, material selection, manufacturing quality, lubrication, and maintenance, internal gears can have a lifespan ranging from several thousand to tens of thousands of operating hours in industrial applications.

It is important to note that the lifespan of an internal gear can vary significantly, and periodic inspections, condition monitoring, and proactive maintenance practices are essential to ensure optimal gear performance, reliability, and longevity.

China Best Sales Electric Car Reducer Motor Cylindrical Internal Helical Bevel Gear straight bevel gearChina Best Sales Electric Car Reducer Motor Cylindrical Internal Helical Bevel Gear straight bevel gear
editor by Dream 2024-04-24


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