Online Custom Gear Machining/Manufacturing Services

JS Precision delivers professional CNC gear machining & manufacturing for spur, helical, bevel, and worm gears. We ensure precision, durability, and smooth operation for automotive, robotics, and industrial applications.

Instant Quote & Analysis: Submit drawings for fast feedback & pricing. Module 0.5-10, ISO 5-9.
Full-Range Machining: Hobbing, shaping, grinding for gears 10-500mm. Metals & engineering plastics.
Engineering Support: Tooth optimization, heat treatment advice, NVH analysis for enhanced performance.
Competitive Pricing: Optimized processes offer cost-effective solutions for prototypes & small/medium batches.

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Trusted by Engineers and Purchasing Leaders at the World's Most Successful Companies

15+Years of Experience

120,000+Gears Manufactured

50+Gear Machining Centers

ISO 1328Precision Standard Certification

0.8μmSurface Roughness Control

Trusted bynumerous companies

Trusted by over 1,000 companies globally, JS Precision delivers reliable custom gear solutions, with a legacy of 10,000+ high-precision gears and components manufactured.

Gear Machining Services

JS Precision delivers comprehensive gear manufacturing solutions, leveraging our dedicated facility with 50+ advanced gear cutting and grinding centers.

Gear Hobbing

Produce high-quality spur and helical gears efficiently for medium to high-volume production, ensuring precise tooth profiles for smooth operation.

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Gear Shaping

Create internal gears and complex profiles with high accuracy, ideal for space-constrained components requiring unique tooth forms.

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CNC Gear Milling

Achieve maximum flexibility for prototypes or custom gears, producing virtually any gear geometry directly from your 3D model.

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Gear Grinding

Attain the highest precision and surface quality for demanding applications, guaranteeing superior accuracy and extended service life.

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Gear manufacturing parts display

Typical key steps in gear manufacturing

A Journey of High-Performance Gear Manufacturing from Raw Materials to Finished Products.

Gear Manufacturing Process

Material Preparation & Metallurgical Verification

Conduct spectroscopic analysis, precision cutting, and closed-die forging. All materials undergo certification and traceability verification.

Precision Gear Forming & CNC Machining

Utilize multi-axis CNC turning, milling, and dedicated gear cutting (hobbing, shaping) to achieve AGMA/ISO grade-specified tooth profiles.

Controlled Heat Treatment & Surface Engineering

Apply case carburizing, induction hardening, or nitriding processes with monitored atmosphere control to optimize core toughness and surface wear resistance.

Precision Finishing & Superfinishing

Perform gear grinding, honing, or lapping to achieve micron-level tolerances, improved surface finish (Ra < 0.4μm), and noise-optimized gear meshing.

Comprehensive Dimensional & Performance Inspection

Validate with CMM, gear testing centers, and hardness testing to ensure full compliance with drawing specifications and operational performance standards.

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CNC Machining Material Selection

Engineered for performance. Our curated library of 35+ CNC machining materials ensures you find the optimal balance of strength, weight, and corrosion resistance. From common alloys like aluminum and steel to advanced technical plastics, we deliver the quality and consistency your critical components require.

METALS

PLASTICS

Aluminum

Excellent strength-to-weight ratio, good corrosion resistance. Ideal for aerospace, automotive, and electronics components.

Color:Silver

Common Grades/Types:6061, 7075, 5052, 6082

Surface Finishing:Anodizing, Sandblasting, Brushing, Coating, Passivation

Price:$$

Delivery Time:Approximately 5 business days

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Surface Finishing Options

Professional surface treatment solutions to enhance gear performance, durability, and corrosion resistance.

Carburizing & Hardening

Carburizing and quenching form a high-carbon martensite layer on the surface, which improves the wear resistance and fatigue strength of high-load gears.

Technical Specifications

Surface Hardness58-63 HRC

Case Depth0.3-2.0 mm

Core Hardness30-45 HRC

Nitriding

A high-hardness surface nitrided layer is generated by low-temperature nitriding, which combines high wear resistance, fatigue resistance and excellent dimensional stability.

Technical Specifications

Surface Hardness900-1200 HV

Case Depth0.1-0.5 mm

Process Temperature480-580°C

Induction Hardening

Precision surface hardening via electromagnetic induction for targeted heating and quenching. Enhances wear resistance and fatigue strength of critical gear teeth and shafts.

Technical Specifications

Case Depth1.0-5.0 mm

Surface Hardness55-60 HRC

Heating Rate>100 °C/s

Phosphating

Forms a microcrystalline phosphate coating that significantly boosts corrosion resistance and paint adhesion for precision gear components.

Technical Specifications

Coating Thickness5-20 μm

Corrosion Resistance≥96h neutral salt spray

Coating TypeZinc, Manganese, or Iron phosphate

Electroplating

Precision coating process that deposits a durable, corrosion-resistant metallic layer for enhanced surface protection.

Technical Specifications

Coating Thickness0.001 - 0.010 in

Surface Hardness80 - 90 HRc

Adhesion Strength> 5 lbf/in

Shot Peening

A cold-working process that bombards surfaces with media to induce residual compressive stress, significantly enhancing fatigue strength and durability of critical gear components.

Technical Specifications

Almen Intensity0.006-0.014 in (A Scale)

Coverage≥98%

Media TypeSteel Shot, Cut Wire, Ceramic

Precision Gear Machining Manufacturer

From custom prototypes to high-volume production, we deliver precision-engineered spur, helical, bevel, and worm gears. Our 50+ advanced CNC and gear hobbing machines, supported by a complete supply chain, ensure accuracy and reliability for every material and complexity.

With ISO-certified quality control and 10,000+ precision gears delivered worldwide, we guarantee your components are manufactured to specification, on time and to the highest standard.

50+

Advanced Machines

40+

Countries Served

120,000+

Precision Gears Delivered

CNC Machining Factory in Dongguan

Established2018

Production Capacity50+ CNC milling machines

LocationDongguan, China

CNC Machining Factory in Shenzhen

Established2016

Production Capacity80+ CNC machines

LocationShenzhen, China

CNC Machine Shop in Dongguan

Established2019

Production Capacity60+ CNC machines

LocationDongguan, China

CNC Lathe Machine

Established2020

Production Capacity30+ CNC lathes

LocationDongguan, China

Metal CNC Machine

Established2019

Production Capacity35+ metal CNC

LocationShenzhen, China

Successful Gear Manufacturing Cases

JS Precision provides precision gear machining and CNC solutions for a diverse range of industries, including automotive, aerospace, robotics, medical, and electronics. It is trusted by global innovators and Fortune 500 companies worldwide for delivering reliable, high-performance custom gears.

Aerospace

Global Aerospace Systems: High-Pressure Turbine Precision Gear Machining

To achieve the thrust-to-weight targets for its next-generation turbofan engine, Global Aerospace Systems required gear sets capable of withstanding extreme thermal and mechanical stresses. Our advanced precision gear machining and aerospace component manufacturing solutions delivered ±0.002mm positional tolerance and a 99.7% first-pass yield rate, ensuring AS9100 compliance and enabling on-time engine certification.

40%

Cutting Force Reduction

96%

First-Pass Yield Rate

±0.01mm

Profile Tolerance

Read Full Case Study

Industrial Machinery

Global Mining Equipment Leader: High-Torque Gearbox Transmission Components

Facing demanding requirements for its new-generation mining excavators, a global equipment leader needed main drive gear sets capable of withstanding continuous high-impact loads. The challenge was to machine large-diameter alloy steel gears to ±0.015mm pitch accuracy with case hardening to 58-60 HRC, all within a 12-week lead time for prototype and production ramp-up.

99.4%

Dimensional Consistency Rate

±0.003mm

Tooth Profile Accuracy

30%

Fatigue Life Extended

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Robotic Automation

Advanced robot joint system: ultra-precision harmonic drive gears

To achieve unprecedented motion smoothness and positioning repeatability in its next-generation humanoid robots, a leading robotics innovator required zero-backlash harmonic drive gears. The critical challenge involved manufacturing intricate flexsplines and circular splines with micron-level accuracy for high-torque, compact robotic joints.

±0.002mm

Positioning Accuracy

40%

Weight Reduction Achieved

99.5%

Dynamic Transmission Efficiency

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Automotive

High-Performance EV Transmission: Ultra-Quiet Helical Gear Machining

When a leading automotive supplier required near-silent helical gear sets for a new electric vehicle platform, the challenge was to achieve sub-micron tooth profile accuracy and super-finished surfaces for stringent NVH targets, while maintaining ISO/TS 16949 mass production standards.

±0.002mm

Tooth Profile Accuracy

≥99.5%

Performance Pass Rate

20%

Production Cycle Reduced

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Medical Devices

Surgical Robotics Innovator: Drive Train Components for Minimally Invasive System

A surgical robotics leader required bio-compatible, micron-accurate drive gears for a new platform. We delivered miniature stainless steel gears with ±0.003mm tolerance, sterile-grade finishes, and full ISO 13485 compliance within a 5-week cycle.

±0.002mm

Positional Accuracy

99.95%

Sterilization Compatibility

40%

Assembly Efficiency Gain

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ADVANTAGES

Advantages of Gear Machining

Gear machining provides engineered solutions for reliable power transmission:

High Precision & Consistency

Achieve exacting tooth profiles and tight ISO-grade tolerances, ensuring smooth meshing and consistent performance.

Complex Geometry Capability

Machine spur, helical, bevel and custom gears via advanced CNC processes to meet specific load and speed requirements.

Superior Surface Finish

Optimize surface integrity (Ra <0.4μm) to reduce wear, friction and vibration, extending service life.

Material Versatility

Process alloy steels, stainless metals and engineering plastics with tailored heat treatments for enhanced durability.

Batch Production Repeatability

Ensure uniform quality and accuracy in high-volume runs through automated, programmed processes.

Long-Term Cost Efficiency

Deliver durable gears that reduce downtime and total cost of ownership over the operational lifespan.

APPLICATIONS

Gear Machining Components for Applications

As a specialized manufacturer of high-precision gear systems, we utilize advanced CNC gear hobbing, shaping, and grinding technologies to produce critical transmission components for demanding applications across industries.

Spur & Helical Gears

Deliver efficient power transmission in automotive drivetrains, industrial machinery, and robotics with precise tooth profiles and smooth engagement.

Planetary Gear Sets

Provide high torque density and compact design for aerospace actuators, electric vehicle powertrains, and precision servo systems.

Bevel & Miter Gears

Enable accurate power transfer between intersecting axes in steering systems, marine propulsion, and heavy equipment.

Worm Gears & Worm Wheels

Offer high reduction ratios and self-locking capability for packaging machinery, conveyor systems, and lifting applications.

Spline Shafts & Couplings

Ensure reliable torque transmission in high-speed rotating assemblies for energy, automation, and transportation industries.

Custom Gearbox Assemblies

Integrate multiple gear types into sealed, ISO 9001-compliant units tailored for robotics, medical devices, and specialized automation.

Spur & Helical Gears

Planetary Gear Sets

Bevel & Miter Gears

Worm Gears & Worm Wheels

Spline Shafts & Couplings

Custom Gearbox Assemblies

Why Choose JS Precision

Precision Gear Solutions: Engineered for Reliability

Common Challenges & Hidden Costs

Fragmented Technical Sourcing

Multiple suppliers create integration gaps, escalating project management overhead.

Unpredictable Quality Outcomes

Inconsistent part integrity risks assembly failures and compromises end-product reliability.

Isolated Design & Production

Late manufacturability feedback results in costly revisions and delayed launch timelines.

Inflexible Production Capacity

Rigid scheduling and opaque processes lead to supply chain bottlenecks and inventory issues.

Our Engineered Value Proposition

Integrated Gear Solution Partner

Holistic service from prototype to production, encompassing engineering, precision machining, and finishing.

Precision-Guaranteed Quality System

Advanced metrology and statistical process control (SPC) ensure dimensional excellence and repeatability.

Collaborative DFM & Engineering

Early-design partnership to optimize for performance, manufacturability, and total cost efficiency.

Agile & Transparent Operations

Scalable CNC machining capacity and real-time workflow visibility guarantee on-time delivery.

"We don't just deliver a component - we provide specified performance and reliable supply."

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What Our Clients Say About Us

A customer's words mean more than ours see what our satisfied customers have saidabout how we fulfilled their requirements.

How Does Gear Machining Work?

Gear machining is a computer-controlled precision manufacturing process that creates accurate gear teeth from a solid blank. Using CAD/CAM software, gear designs are converted into machine toolpaths. The gear blank rotates on a specialized machine while cutting tools precisely remove material to form the tooth profile.

This automated method ensures high repeatability and tight tolerances. The process is often followed by heat treatment for strength and finishing operations like grinding. Final inspection validates geometry and performance against industry standards, producing reliable components for power transmission systems.

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Precision Gear Machining: Certified Accuracy in Every Part

JS Precision delivers mission-critical gear components with validated performance. Our rigorous inspection system ensures 99.2% first-pass yield for both prototyping and production runs.

Certifications

Our facilities are certified to ISO 9001, IATF 16949, AS9100, and ISO 13485, ensuring full compliance with automotive, aerospace, medical, and industrial standards.

Expertise

We utilize Gear Measurement Centers, 3D CMMs, and surface analyzers to verify every gear's profile, pitch, hardness, and material to meet your exact specifications.

Transparent Process

From raw material to final inspection, each stage follows strict, documented quality control procedures. Full traceability and detailed reports provide confidence in every delivery.

Gear Machining Latest News

Stay informed with the latest updates and announcements from JS Precision. Learn about our most recent projects.

gear machining

Precision Gear Manufacturing: Planetary Gear Sets For Compact, High-Torque Designs

1.Why Trust JS Precision In Planetary Gear Manufacturing? 2.What Is a Planetary Gear Set And Why Is It The Core For Achieving High Torque And Compact Design? 3.What Are The Advantages And Disadvantages Of Planetary Gears Compared To Worm Gear In Compact Transmission Solutions? 4.How To Achieve High Precision Gear Manufacturing? Key Process Revealed 5.How Does Custom Gear Manufacturing Solve Application-Specific Challenges? 6.How Is Large Gear Manufacturing Evolving For Megawatt-Scale Planetary Drives? 7.How To Select a Precision Gear Manufacturing Company For Long-Term Success? 8.JS Precision Case Study: Lightweight Joints Of a Collaborative Robot From 450kg To 360kg 9.FAQs 10.Summary 11.Disclaimer 12.JS Precision Team 13.Resource

Doris JS

Mar 12 2026

gear machining

Worm Gear Manufacturing: How To Achieve High Precision In High-Ratio Gears

1.Why Trust This Guide? JS Precision Worm Gear Manufacturing Experience 2.What Are The Core Steps In The Worm Gear Manufacturing Process? 3.How To Achieve Mirror-Like Finish In Stainless Steel Worm Gear Machining? 4.How To Ensure Durability And Wear Resistance In Steel Worm Gear Machining? 5.What Is The Key To Pairing Worm And Worm Wheel Gear To Ensure Perfect Engagement? 6.What Makes High-Ratio Gears Prone To Error And How To Fix Them? 7.Looking For Professional Worm Gears Suppliers: What Core Competencies Should You Focus On? 8.JS Precision Case Study: The Backlash Of a Dual Lead Worm Gear Pair On a CNC Turntable Was Reduced From 3 Arc Minutes To 1.2 Arc Minutes 9.FAQs 10.Summary 11.Disclaimer 12.JS Precision Team 13.Resource

Doris JS

Mar 07 2026

gear machining

Bevel Gear Manufacturing: A Guide To Design, Precision, And Cost Control

1.Why Trust This Article? JS Precision's 20+ Years In Bevel Gear Manufacturing 2.What Is The Bevel Gear Manufacturing Process And Why Does It Matter? 3.How To Choose Between Straight And Spiral Bevel Gear? 4.How To Choose The Right Bevel Gear Manufacturing Methods For Your Project? 5.How Do Precision Grades (AGMA/Din) Affect The Entire Production Chain? 6.What Are The Secrets To Balancing Cost In Custom Gear Manufacturing? 7.When Is Custom Gear Manufacturing The Optimal Solution? 8.How To Evaluate And Select a Qualified Bevel Gear Manufacturer? 9.JS Precision Case Study: Breakthrough In Reducing The Cost Of Bevel Gears In a Wind Power Gearbox By 35% 10.FAQs 11.Summary 12.Disclaimer 13.JS Precision Team 14.Resource

Doris JS

Mar 05 2026

gear machining

Gear Manufacturing For Wind Turbines: A Guide To Standards, Materials, And Durability Testing

1.Why Trust Wind Turbine Gear Manufacturing? Engineering Experience From JS Precision 2.What Are The Critical Parts Of a Wind Turbine That Rely On Precision Gear Manufacturing? 3.How Does Wind Turbine Design Influence The Selection Of Steel Gear Vs. Other Materials? 4.Why Are Aluminum Gears Rarely Used In Main Drives But Relevant In Auxiliary Systems? 5.What Defines a Reliable Steel Gear For Demanding Wind Turbine Applications? 6.Which Gear Manufacturing Processes Drive The Final Cost Of Wind Turbine Gears? 7.Can Custom Gear Manufacturing Extend The Lifespan Of a Wind Turbine Gearbox? 8.What Durability Tests Validate The Quality Of Custom Gears Before Installation? 9.How To Source High Quality Custom Gear Manufacturing Services For Wind Projects? 10.Case Study: JS Precision Overcomes The Problem Of Gear Micro Pitting Corrosion In Offshore Wind Farms Through Micro Modification 11.FAQs 12.Summary 13.Disclaimer 14.JS Precision Team 15.Resource

Doris JS

Mar 03 2026

gear machining

Conveyor Gear Manufacturing: A Cost-Benefit Analysis Of Custom vs. Standard Gears

1.Why Choose JS Precision To Customize Conveyor Gears? 2.What Are The Core Elements That Affect The Manufacturing Cost Of Conveyor Gear? 3.When Does Conveyor Gear Manufacturing Require Custom Solutions Over Standard Parts? 4.Belt Drive Gears Vs. Direct Drive: Is Customization The Key To Efficiency? 5.How Does Spiral Gear Machining Improve Performance In High-Load Conveyors? 6.Is Worm Gear Manufacturing Complexity Justified For Your Conveyor Application? 7.How Does Precision Bevel Gear Machining Affect Long-Term Conveyor Reliability? 8.Can Small Batch Gear Manufacturing Solve Urgent Issues With Non-Standard Equipment? 9.How To Avoid The Selection Trap Of Custom Gear Manufacturing Suppliers? 10.Case Study: JS Precision Saves 37% Of Costs And Shortens Delivery Time By 50% For American Conveyor Equipment Manufacturers? 11.FAQs 12.Summary 13.Disclaimer 14.JS Precision Team 15.Resource

Doris JS

Feb 26 2026

gear machining

Crane Gear Manufacturing: A Guide To Types, Materials Selection, And Cost Optimization

1.Why Trust JS Precision Crane Gear Manufacturing Services? 2.What Are The Core Types Of Gears In Crane Gear Manufacturing? 3.How To Select The Right Material For Your Crane Gear? 4.How Does Heat Treatment Optimize Crane Gear Manufacturing For Heavy Loads? 5.How To Achieve Cost Optimization Without Compromising Gear Quality? 6.When Should You Choose Custom Spur Gears Or a Bevel Gear Manufacturer? 7.Is Local Gear Machining Near Me a Cost-Effective Solution? 8.JS Precision Case Study: 35% Savings On Australian Crane Gearbox Repair 9.FAQs 10.Summary 11.Disclaimer 12.JS Precision Team 13.Resource

Doris JS

Feb 25 2026

gear machining

Custom Gear Manufacturing: A Guide To Choosing Between Metal And Plastic Gears

1.Why Is The Material Selection For Custom Gear Manufacturing In This Guide Trustworthy? 2.What Is Custom Gear Manufacturing And How Does It Address The Limitations Of Standard Parts? 3.Metal And Plastic Gears: a Direct Showdown That Determines Performance And Cost? 4.When Should I Choose Metal Gears, Especially Steel Worm Gear Machining? 5.How Can Plastic Gear Manufacturing Become The Ace Of Lightweight And Silent Design? 6.How To Minimize Your Selection Risk Through Prototype Gear Manufacturing? 7.What Abilities Are More Important Than Proximity When Choosing Gear Machining Companies? 8.JS Precision Case Study: How Smart Home Giants Optimize Transmission Systems Through Material Replacement 9.FAQs 10.Summary 11.Disclaimer 12.JS Precision Team 13.Resource

Doris JS

Feb 05 2026

gear machining

Gear Manufacturing For Renewable Energy: Custom Gears For Wind Turbines And Hydro Systems

1.Why Trust This Guide? JS Precision Wind Turbine Gear Manufacturing Achievements 2.Why Do Wind And Hydraulic Systems Rely On Custom Gears? 3.How To Select Excellent Gear Manufacturing Companies In The Field Of Renewable Energy? 4.How Can CNC Gear Manufacturing Become The Guardian Of Renewable Energy Gear Accuracy? 5.What Unique Challenges Does Large Gear Manufacturing Bring To Wind And Hydropower Projects? 6.What Are The Key Engineering Factors To Consider When Designing An Efficient Custom Gearbox? 7.How To Achieve High-Precision Tooth Profile Of Wind Turbine Yaw Gear In CNC Gear Manufacturing? 8.How To Design a Compact Custom Gearbox For Vertical Axis Wind Turbines? 9.What Technical Parameters Do I Need To Prepare To Collaborate With Custom Gear Manufacturer? 10.Case Study: Reduce Wind Power Operation And Maintenance Costs By 35%! JS Precision Helps North American Wind Farms Solve Early Pitting Corrosion Of Gearboxes 11.FAQs 12.Summary 13.Disclaimer 14.JS Precision Team 15.Resource

Doris JS

Feb 09 2026

CNC Machining FAQs

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Precision CNC machining is essential for aerospace components, medical implants, automotive parts, and industrial equipment. At JS Precision, we manufacture high-tolerance, durable parts that meet rigorous industry standards for performance and reliability.

Key advantages include exceptional accuracy, material versatility, and excellent repeatability. Limitations involve higher costs for complex internal geometries and longer setup times compared to additive manufacturing.

Choose CNC machining for high-strength, precision parts with superior surface finish. Opt for 3D printing for complex prototypes or intricate internal structures. JS Precision offers both services and can advise on the best solution.

We consistently achieve standard tolerances of ±0.1 mm. For high-precision requirements, JS Precision routinely holds tolerances as tight as ±0.025 mm, verified through rigorous inspection processes.

A machining center is a multi-axis CNC machine that performs milling, drilling, and tapping in one setup. This reduces cumulative error and ensures high accuracy for complex geometries through automated tool changes and coordinated movements.

Our engineers provide detailed DFM analysis, optimizing features like wall thickness, radii, and threads to enhance manufacturability, reduce costs, and shorten lead times while maintaining part functionality.

We work with aluminum, stainless steel, titanium, engineering plastics, and more. Finishing options include anodizing, powder coating, plating, and bead blasting to meet aesthetic and functional requirements.

Pricing is based on material cost, machining time, part complexity, order quantity, and surface finishes. JS Precision provides transparent, competitive quotes with detailed breakdowns.

No, we have no strict MOQ and fully support prototype orders. JS Precision offers flexible volumes from single prototypes to full production runs.

Standard lead time is 5-10 business days. Expedited services are available, reducing lead times significantly for urgent projects at JS Precision.

We implement first-article inspection, in-process checks, and final validation using CMMs and optical comparators. This ensures every part from JS Precision meets specified dimensions and quality standards.

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