Smooth Functioning Robots with Precise Gear Machining

We offer high-precision gear machining, delivering custom gears with tight tolerances, advanced materials, and fast turnaround to enhance robotic performance and reliability.

Introduction

Optimized Gear Machining Services

We deliver high-precision gear machining services for robotics, producing custom gears vital for torque transmission and motion control. Used in joints, actuators, and gearboxes, these gears are engineered with tight tolerances, minimal backlash, and consistent quality to meet the demanding requirements of modern robotic systems.

With 20+ years of expertise and key certifications like ISO 9001 and AS9100D, RobotCNCParts excels in CNC machining structural and housing components for robotics. Our commitment to quality and fast, reliable delivery makes them a trusted partner in advancing robotic innovation.

Capability Intro Image
  • Advanced 5-axis machining
  • End-to-end support
  • Rigorous quality inspection
  • Batch traceability
  • Fast and precise quoting

Our Advantages

  • Exceptional Precision  Icon

    Exceptional Precision

    RobotCNCParts’s gear machining achieves ±0.005 mm tolerances, critical for robotic gears.

  • Quality Assurance Icon

    Quality Assurance

    Full quality control workflows, including CMM inspection and coaxiality measurement.

  • Material Versatility Icon

    Material Versatility

    Capable of machining a wide range of metals and plastics, including hardened tool steels and engineering polymers.

  • Flexible Volumes Icon

    Flexible Volumes

    RobotCNCParts accommodates all volumes without minimum order restrictions.

Gallery

Robotics Components Showcase

Our success stories include: end effectors, automation parts, replacement parts, grippers, housings and fixtures, arm components and robotics assemblies.

Materials

Gear Machining Materials

  • Metals
  • Plastics
  • Aluminum Featured Image

    Aluminum

    RobotCNCParts machines aluminum grades like 6061 and 7075 for lightweight, corrosion-resistant parts such as robotic arms, housings, actuator mounts, and internal gear structures requiring high strength-to-weight performance.

  • Brass Featured Image

    Brass

    Brass alloys such as C360 are used for low-friction, wear-resistant gears and fittings in robotics. Ideal for internal ring gears, bushings, worm gears, and small transmission components.

  • Copper Featured Image

    Copper

    Our team machines high-purity copper (e.g., C110) for robotic systems requiring thermal or electrical conductivity, ideal for heat sinks, contact pins, power connectors, and motor components.

  • Stainless Steel Featured Image

    Stainless Steel

    RobotCNCParts machines stainless steel grades like 303, 304, and 316 for corrosion-resistant robotic parts, including shafts, brackets, enclosures, fasteners, and structural supports in demanding environments.

  • Steel Featured Image

    Steel

    RobotCNCParts machines carbon steels (e.g., 1045) and alloy steels (e.g., 4140, 4340) for high-strength robotic gears, shafts, and drive components used in actuators and gearboxes.

  • Titanium Featured Image

    Titanium

    We machine titanium alloys such as Grade 2 and Grade 5 for robotic applications requiring strength-to-weight efficiency, such as actuators, exoskeleton parts, joints, and aerospace robotic systems.

  • ABS Featured Image

    ABS

    ABS is machined for lightweight, impact-resistant robot components like gear covers, internal spacers, and non-load-bearing parts. Its affordability makes it ideal for prototyping and low-cost robotic enclosures.

  • Delrin Featured Image

    Delrin

    We machine Delrin (acetal) for low-friction, high-stiffness gears and bushings in robotics. It’s ideal for precision motion parts in consumer robots, automation tools, and joint mechanisms.

  • Nylon Featured Image

    Nylon

    Nylon offers high wear resistance and flexibility, ideal for lightweight gears, cams, and rollers. RobotCNCParts machines nylon for robotic components, where low noise and vibration damping are essential.

  • PEEK Featured Image

    PEEK

    PEEK is a high-performance plastic used in robotics for gears, insulators, and structural components operating in harsh environments. It offers excellent chemical resistance and dimensional stability under heat.

  • Polycarbonate Featured Image

    Polycarbonate

    Machined polycarbonate provides high impact strength and transparency, used in robotics for sensor housings, protective windows, and lightweight covers requiring toughness and visibility.

  • PTFE Featured Image

    PTFE

    PTFE is used in robotics for its low-friction, non-stick surface properties. RobotCNCParts machines it into bushings, washers, and insulating components where chemical resistance and smooth motion are required.

Surface Finishes

Gear Machining Surface Finishes

Gear Machining Tolerance Table

Tolerance Table
  • Dimension & Tolerance
  • Dimension & Tolerance

    3-axis Milling 4-axis Milling 3+2 Axis Milling 5-axis Milling
    Maximum Part Size 2000mm x 1500mm x 800mm 800mm x 550mm x 450mm 800mm x 550mm x 450mm 850mm x 950mm x 550mm
    Minimum Part Size 0.5mm x 0.5mm x 0.3mm 0.5mm x 0.5mm x 0.3mm 0.5mm x 0.5mm x 0.3mm 0.5mm x 0.5mm x 0.3mm
    Tolerance +/-0.005mm +/-0.005mm +/-0.005mm +/-0.005mm
    Radii(Minimum) R0.1mm R0.1mm R0.1mm R0.1mm
    Tolerances listed here are minimums for an ideal case. Looser tolerances may be required depending on process, material choice, or part geometry.
    If you have no detailed requirements for product tolerance, we can follow the following general ISO2768 tolerance table.
PRODUCTION CAPACITY

Production Capacity Guarantee

  • 01
    CNC Machine Shop
    Advanced CNC Machine Shop Featured Image
  • 02
    Quality Control
    Quality Control Featured Image
  • 03
    Custom Packaging
    Professional Packaging Featured Image
  • 04
    Logistics
    Global shipping Featured Image
Advanced CNC Machine Shop
RobotCNCParts uses modern CNC machines to make accurate and complex parts. Our machines include 3-, 4-, and 5-axis mills, turning centers, and EDM equipment for high-precision work. We can handle all kinds of materials and project sizes, from one-off prototypes to large production runs. Our team makes sure each part is made correctly, quickly, and cost-effectively.
Quality Control
We check every part carefully to make sure it meets your exact specifications. Our team uses advanced tools like CMMs, micrometers, and surface testers for accuracy. RobotCNCParts follows strict quality standards (ISO 9001:2015 and others), so you can trust that every order is consistent, reliable, and ready to perform as expected.
Professional Packaging
After machining and inspection, each part is safely packed to prevent damage during delivery. We use materials like foam, sealed bags, or custom boxes based on part type. Good packaging means your parts arrive clean, undamaged, and ready to use. We also label everything clearly for easy handling and storage on your end.
Global shipping
RobotCNCParts ships parts to customers all over the world using trusted couriers like DHL, FedEx, and UPS. We can handle both small packages and bulk shipments. We take care of all shipping paperwork and tracking so your parts arrive safely and on time, no matter where you are located.
Testimonials
Testimonials

What Our Customers Say

FAQs

Gear Machining FAQs

Get quick insights about our gear machining capabilities, quality standards, and global delivery for robotic components.

How Fast Can You Deliver Custom Robotic Gears?
Prototypes can be delivered as fast as 1–3 days. Standard production orders typically ship within 4–7 business days, depending on complexity and volume.
Do You Offer Surface Treatments for Robotic Gears?
Yes. We offer anodizing, black oxide, hard coating, polishing, passivation, and other treatments to improve gear performance, wear resistance, and appearance.
Can RobotCNCParts Provide Gear Machining for Lightweight or Wear-Resistant Robotic Systems?
Yes. We machine high-performance plastics like PEEK and Delrin, as well as titanium and brass, suitable for lightweight or low-friction robotic applications.
Does RobotCNCParts Provide Gear Inspection or Quality Reports?
Yes. All gears undergo quality checks, including CMM inspection, runout analysis, and coaxiality checks. Inspection reports can be provided upon request.
Does RobotCNCParts Support Complex Gear Designs for Robotics?
Absolutely. With 5-axis machining, EDM, and precision grinding, we can handle intricate geometries and small-module gears used in compact or high-performance robotics.