Products
Robot Reducer Planet Gears
Robot Reducer Planetary Gear / Planet Gear | Precision Planet Gear
Keywords: Planet gear, precision gear broaching, DIN Class 5 tooth profile, low-noise transmission, core component of robotic reducer
Planet Gear (Robot Reducer Planetary Gear)
Product Brief Introduction
We specialize in the research, development and production of the critical transmission part for robot reducers-the Planet Gear, namely Robot Reducer Planetary Gear.
As a vital load-bearing and power transfer component of the planetary reduction mechanism, the planet gear has a decisive impact on the transmission efficiency, load distribution performance and service life of the entire system.
The product adopts high-precision gear broaching and fine grinding processes, achieving outstanding tooth profile accuracy and surface finish.
It is widely used in industrial robots, collaborative robots, automated servo systems and precision motion control devices.
Core Advantages
1. High-Precision Gear Broaching Technology
Imported high-precision gear broaching equipment is employed to achieve one-step tooth profile shaping without cumulative deviations.
The tooth pitch error is ≤ 0.01 mm, and the tooth profile accuracy meets DIN5 Class standards.
The tooth surface roughness is Ra ≤ 0.8 μm, realizing low-noise and low-friction transmission.
It is suitable for mass production, ensuring consistent precision across different batches.
2. Excellent Strength and Fatigue Resistance
Materials: Aviation-grade alloy steels including 20CrMnTiH and 17CrNiMo6.
Through carburizing, quenching and precision grinding processes, the surface hardness reaches HRC58–62.
The tooth root fillet is optimized, increasing bending fatigue strength by more than 20%
100% magnetic particle inspection and penetration testing are performed to eliminate microcracks.
3. Outstanding Load Distribution and Low-Noise Features
Synchronous engagement of multiple planet gears ensures a load distribution coefficient of ≤ 1.05.
Tooth profile correction and precision grinding technologies guarantee smooth engagement.
The operating noise is ≤ 65 dB(A) under rated working conditions.
4. Precision Bearing Hole and Matching Structure
The bearing hole accuracy reaches IT5 Grade, with cylindricity ≤ 0.005 mm.
It supports planetary pin or rolling bearing installation structures.
It ensures stable rotation and low temperature rise during high-speed operation.
5. High Reliability and Long-Life Design
The effective hardened layer depth is 0.6–1.0 mm, extending the wear-resistant service life by threefold.
Each planet gear undergoes dynamic balance testing and tooth profile inspection verification.
Technical parameters
|
Item |
Parameter |
|
Module Range |
0.3 – 8.0 |
|
Number of Teeth Range |
10 - 40 |
|
Tooth Profile Accuracy |
DIN5 |
|
Tooth Surface Roughness |
Ra ≤ 0.8 μm |
|
Tooth Pitch Error |
≤ 0.01 mm |
|
Dynamic Balance Grade |
G2.5 (Customizable to G1.0) |
Application Fields
- Joint reducers for industrial and collaborative robots
- Precision servo and motion control systems
- Automation equipment and transmission modules
- Aerospace, medical and testing mechanical systems
Manufacturing Advantages: Precision Electrochemical Machining Process
- One-step tooth profile forming with high accuracy and excellent consistency
- High-efficiency batch machining, suitable for high-precision internal teeth and small-module gears
- Combination of broaching and precision grinding for superior tooth surface quality (Ra≤0.2μm)
- Customization supported for spur gears, helical gears and double gear structures
- Custom manufacturing of Robot Reducer Planet Gears based on customer-supplied drawings, 3D models, or physical samples.
- Configurable tooth profile, inner bore, shaft hole, end face, chamfers, and mating features.
- Structural dimensions can be adjusted to meet the fit-up requirements of the sun gear, internal ring gear, planetary carrier, and reducer housing.
- Critical dimensions, mating surfaces, and mounting datums can be controlled according to the customer drawing.
- The machining plan can be developed based on material, heat treatment, surface treatment, and batch quantity requirements.
Quality Control
Manufacturing is controlled under the required quality management standards, such as ISO 9001, AS9100, and IATF 16949 where applicable. Inspection focuses on key features including tooth profile accuracy, bore dimensions, gear runout, end-face parallelism, hardness, surface roughness, and appearance.
Everything You Need to Know
What information is required to quote a custom Robot Reducer Planet Gears?
Please provide drawings, 3D models, material requirements, surface treatment requirements, quantity, accuracy requirements, and application scenario. If physical samples are available, they can also be supplied for structure and process evaluation.
Can samples be made first for validation?
Yes. We support sample development and small-batch trial production. Customers can complete dimensional confirmation, assembly testing, and fit validation before moving into subsequent batch production.
What is the typical sample development lead time?
The sample development lead time is typically 7-45 working days. The exact schedule will be confirmed based on the structural complexity of the planet gears, material, machining process, heat treatment, and surface treatment requirements.
What is the Minimum Order Quantity (MOQ)?
The standard MOQ is 10 pcs. It can also be discussed flexibly based on sample testing, small-batch trial production, or the planned follow-up batch order.
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