China spur sector gear factory and manufacturers

Steel Spur Half Sector Gear Pinion Units for UAV Drone Reducer Featured Image

Short Description:

In the demanding field of aviation and UAV technology, the gearbox is the heart of the propulsion system. Our high-precision spur sector gear sets are purpose-built for drone drivetrains, where every gram and every micron matters. By optimizing the tooth profile and utilizing premium materials, these gears facilitate a smoother control response and significantly reduce mechanical friction.

For drone manufacturers, this engineering excellence translates directly into extended battery life and enhanced payload capacity. Whether navigating complex flight paths or maintaining stability in harsh environments, Belon gear sets provide the reliability our customers required for mission-critical aerial platforms.

Gear Material: 42CrMo

Custom Module sizes: 0.3-1.5mm

Heat treatment: Tempering and Quenching 28-32HRC

Accurancy: ISO7 to 8

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Product Detail

Product Tags

At Belon Gear, we specialize in engineering high-performance spur gear reducers specifically optimized for the unique power density requirements of multi-rotor and fixed-wing drone systems.

Our engineering team works closely with clients to fine-tune gear ratios, module sizes, and face widths. By balancing torque output with rotational speed, we deliver propulsion and actuation solutions that minimize overall footprint and weight without sacrificing structural integrity. This meticulous optimization ensures your drone achieves peak mechanical efficiency and extended flight endurance.

Applications in Drone Systems

Spur gear reducers are widely used in various types of drone systems.

In aerial photography drones, they help ensure smooth and stable motion control for capturing high resolution images and videos.

In agricultural spraying drones, spur gear reducers enable consistent motor torque, improving flight stability and spray accuracy across large fields.

For surveying and mapping UAVs, these gear systems provide the precision needed for accurate positioning and sensor alignment.

Additionally, in delivery drones, spur gear reducers support the heavy lifting of payloads while maintaining energy efficiency during extended flights.

The production process of spur gear is as follows:
1)Raw material
2)Forging
3)Pre-heating normalizing
4)Rough turning
5)Finish turning
6)Gear hobbing
7)Heat treat carburizing 58-62HRC
8)Shot blasting
9)OD and Bore grinding
10)Gear grinding
11)Cleaning
12)Marking
13)Package and warehouse

Production Process:

Manufacturing Plant :

Why Partner with Belon Gear?

A Top-Tier Industry Leader with Proven Scale

As a top ten gear enterprise in China, Belon Gear combines massive production capacity with specialized expertise. We have a dedicated team of 1,200 professionals, providing the scalability and operational excellence required to support our customers’ demands.

Innovation-Driven Engineering

Our R&D capabilities are backed by a robust intellectual property portfolio, including 31 invention patents and 9 utility patents. Our strong engineering and quality assurance teams work in synergy to not only meet but exceed customer specifications. This greatly ensures cutting-edge solutions for complex mechanical challenges.

Full Vertical Integration: From Raw Material to Finished Product

We pride ourselves on a smooth in-house manufacturing process. By controlling every stage—from raw material sourcing and advanced machining to specialized heat treatment and final inspection.

State-of-the-Art Infrastructure

Our facility is equipped with promising technology to ensure extreme precision:

Advanced Manufacturing: High-speed CNC gear hobbing and grinding centers.
Controlled Heat Treatment: In-house quenching and tempering facilities for optimized material properties.
Rigorous Inspection: Equipped with industry-leading metrology tools, including Brown & Sharpe CMM, German Mahr form testers, and high-precision roughness testers from Japan.

Gear Hobbing, Milling and Shaping Workshop

Inspection

To ensure every gear meets the most stringent aerospace and industrial standards, Belon Gear has invested in a state-of-the-art inspection laboratory.

Our precision inspection suite includes:

Dimensional Accuracy: Brown & Sharpe CMM
Gear Profile Analysis: Klingelnberg (P100/P65/P26) measurement centers
Form & Surface Integrity: German Mahr cylindricity instruments and Japanese high-precision roughness testers for micro-surface analysis.
Advanced Optical Metrology: Optical Profilers, high-magnification projectors, and precision length measuring machines for non-contact and linear verification.