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Precision Gears

Precision gears deliver reliable power transmission. Tight tolerances and optimized tooth geometry cut vibration, boost efficiency, and extend service life in automation and industrial drives.

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Production

High-Accuracy Custom Gear Production

Precision gears are engineered transmission components designed for high-accuracy motion control and reliable torque transfer in industrial systems.

They are characterized by:

  • Tight dimensional tolerances
  • Optimized tooth geometry
  • Controlled surface finishing
  • Smooth torque transmission
  • Minimal backlash
  • Long-term operational stability

We manufacture precision gears from module 0.15 to 5.0, serving industrial and commercial applications worldwide.

Products

Types of Precision Gears We Manufacture

  • 01
    Spur Gears
    Precision spur gears designed for compact drive systems and efficient torque transmission. Suitable for applications requiring stable engagement and straightforward assembly integration.
  • 02
    Helical Gears
    Helical gears engineered for smoother operation, improved load distribution, and reduced noise in high-speed or continuous-duty systems.
  • 03
    Worms and Worm Gears
    High-reduction worm gear sets developed for controlled motion and stable output torque in space-constrained mechanical assemblies.
  • 04
    Precision Splined Components
    Internal and external spline parts manufactured for secure torque engagement and precise rotational alignment.
  • 05
    Custom Gear Shafts
    Integrated shaft and gear components produced to meet specific dimensional, load, and structural requirements.
  • Spur Gears
  • Helical Gears
  • Worms and Worm Gears
  • Precision Splined Components
  • Custom Gear Shafts

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Precision

Precision Gear Module Range

We specialize in small to medium module precision gears ranging from module 0.15 to 5.0, suitable for:

  • Automation systems
  • Gear motors
  • Packaging machinery
  • Agricultural equipment
  • Industrial actuators
  • Mechanical transmission assemblies

All gears are produced according to customer drawings and functional requirements.

Materials

Common Materials for Precision Gear Manufacturing


  • Brass

    Typical Grades: C3604, H59

    Characteristics: Excellent machinability, good corrosion resistance, and stable dimensional accuracy.

    Applications: Commonly used for small precision gears in instruments, electronics, and light-duty transmission mechanisms.

  • Stainless Steel

    Typical Grades: SUS416 (Y1Cr13), SUS420J2 / 420 (2Cr13, 3Cr13)

    Characteristics: High strength, good wear resistance, and strong corrosion resistance.

    Applications: Suitable for gears used in medical devices, food machinery, and environments requiring rust resistance.

  • Alloy Steel

    Grades: 40Cr, 20CrMo, 42CrMo

    Characteristics: High hardness after heat treatment, excellent fatigue strength, and strong load capacity.

    Applications: Widely used in industrial equipment, automotive transmission systems, and heavy-duty gear mechanisms.

  • Cast Iron

    Characteristics: Good wear resistance and excellent vibration damping properties.

    Applications: Often used in mechanical systems where stability and durability are required.

  • Aluminum

    Characteristics: Lightweight, corrosion resistant, and easy to machine.

    Applications: Suitable for robotics, aerospace components, and precision lightweight mechanisms.

  • Plastic

    Typical Materials: PA, POM, PEEK

    Characteristics: Low friction, low noise, lightweight, and corrosion resistant.

    Applications: Commonly used for gears in electronics, consumer products, and small precision mechanical systems.

Capabilities

Precision Gear Manufacturing Processes

  • Gear Hobbing

    Used for accurate tooth generation across spur and helical gears, ensuring consistent geometry and repeatable production.

  • Sintered Gear Production

    Suitable for cost-effective production of high-volume gears with stable structural properties.

  • Injection Molded Gear Manufacturing

    Ideal for lightweight engineering plastic gears requiring noise reduction and corrosion resistance.

  • CNC Milling & Turning

    Applied for shaft integration, custom profiles, and secondary machining to meet specific dimensional requirements.

  • Heat Treatment

    Enhances hardness and wear resistance for metal gears operating under load conditions.

  • Surface Treatment

    Provides corrosion protection and surface durability based on environmental exposure and operating conditions.

Test

Precision Gear Inspection & Dimensional Verification

  • Raw Material and Blank Inspection

    Material composition and chemical properties are verified to ensure the required hardness, strength, and toughness after heat treatment. Blanks are also inspected after turning to ensure that only qualified parts proceed to the next manufacturing process.

  • Machining Dimension and Geometric Accuracy Inspection

    Critical dimensions such as bore diameter, outer diameter, and gear face width are verified to ensure full compliance with engineering drawings and design specifications.

  • Surface Finish Control

    Surface integrity is evaluated to reduce friction, limit wear, and support long-term operational stability.

  • Heat Treatment and Strengthening Process Inspection

    After heat treatment, gear parameters such as runout and span measurement are rechecked to ensure deformation caused by quenching remains within acceptable tolerances.

Industries

Precision Gear Applications

Robotics & Automation

Precision gears enable accurate, repeatable motion with reduced backlash, ideal for robotic joints, actuators, and positioning systems.

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Smart Home Devices
Small Gear Reducer Systems
Medical & Laboratory Equipment
Model Devices & Drones
Custom

Custom Precision Gear Manufacturing

  • Material & Durability Strategy

    Material and surface treatment are selected based on load, wear conditions, environment, and service life requirements.

  • Gear Geometry Optimization

    Tooth profile, module, and helix parameters are reviewed to ensure proper meshing and efficient transmission.

  • Backlash & Engagement Control

    Clearance is defined according to accuracy and motion requirements to maintain stable gear engagement.

  • Load & Operating Condition Verification

    Torque capacity and working loads are evaluated to confirm structural suitability under real operating conditions.

FAQ

Frequently Asked Questions

Find quick answers to the most common questions about our precision gears

What are precision gears used for?
Precision gears are used in applications requiring accurate motion transmission, controlled torque, and stable long-term performance, such as gearboxes, automation systems, and robotics.
Can you manufacture custom precision gears based on drawings?
Yes. We specialize in manufacturing custom precision gears according to customer drawings, specifications, and functional requirements.
What materials are available for precision gears?
We manufacture precision gears using steel, brass, and plastic materials, selected based on load capacity, operating environment, and performance needs.
What production volumes do you support?
We support small batch production, pilot runs, and mass production, with process selection optimized for each volume requirement.
Which manufacturing process is best for precision gears?
The manufacturing process is selected based on gear design, material, tolerance, and production volume, including gear hobbing, sintered manufacturing, and injection molding.
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