Yes. We provide flexible MOQ and fast prototyping services. Whether you need a single prototype or a small batch run, we can deliver high-precision gears within 2–3 weeks.
Immerse yourself in the world of high-precision gears engineered for robotics, EVs, and intelligent automation. From humanoid robots to advanced electric vehicles, DDGear provides customized gear solutions that combine accuracy, durability, and quiet performance.
We are committed to innovation and reliability — every gear we produce is designed to make our customers’ assembly easier, systems more efficient, and operations more stable.
Our gears are designed for EV drive motors, two-speed gearboxes, and steering systems. With low noise and high wear resistance, we help leading automakers extend battery life and improve driving comfort while maintaining maximum reliability.
A European medical device manufacturer needed precision gears for surgical robots and imaging equipment. The gears had to operate silently, reliably, and in some cases, be non-magnetic for MRI compatibility.
DDGear supplied custom small-module spur, worm, and plastic gears, manufactured with ISO Class 4 accuracy and materials suitable for medical standards. Rigorous inspection ensured each gear met the tight tolerances required for medical safety.
The result was improved accuracy in surgical applications, extended durability, and reduced machine downtime. The manufacturer gained stronger credibility in the medical sector and expanded its global market share.
A robotics startup in South Korea developing humanoid robots for healthcare and education needed gears that could deliver lifelike, silent movements. Standard gears created noise and backlash, making the robots appear less natural and less reliable for interaction.
DDGear designed precision small-module joint gears with micron-level tolerances and polished surfaces. These gears minimized backlash, reduced noise, and supported smooth torque transfer in elbow, wrist, and actuator assemblies.
With DDGear’s solution, the robots achieved 30% better movement stability and significantly lower noise. This improvement enhanced the robots’ acceptance in sensitive environments such as eldercare facilities, helping the startup secure new clients.
Introduction Quality control is the backbone of precision gear manufacturing. For gears used in demanding applications such as robotics and EVs, consistent reliability is ensured only through a rigorous quality management system spanning design, production, and delivery. 1.Design Stage Control From profile optimization to material selection, all design elements are evaluated to ensure manufacturability, durability, and performance. 2.Process Control Real-time monitoring, statistical process control (SPC), and automated inspections are applied throughout machining to minimize deviations and maintain tolerances. 3.Final Inspection Profile and lead measurement Noise and vibration testing Endurance and wear verification These checks ensure that every gear meets both functional and quality standards. 4.Certifications & Standards Precision gears comply with global standards such as ISO 1328, DIN, and AGMA. Certified systems like ISO 9001 and IATF 16949 ensure consistent quality for international customers. Conclusion Strict quality control guarantees not only the accuracy and durability of precision gears but also builds long-term customer trust. By adhering to the highest global standards, precision gear manufacturers support the reliability of next-generation robotics, EVs, and intelligent automation.
Introduction Precision gears are not just the result of design excellence—they are the outcome of meticulous manufacturing. Every stage, from raw material to final inspection, determines the gear’s performance, durability, and accuracy. 1.Blank Preparation Gear blanks are typically made from forgings, castings, or bar stock. Material quality is the first guarantee of gear reliability. 2.Gear Cutting Hobbing: High efficiency, suitable for mass production. Shaping: Ideal for internal gears and complex profiles. Shaving: Improves tooth surface finish and precision. 3.Heat Treatment Processes such as carburizing, nitriding, and induction hardening are applied to enhance hardness, wear resistance, and durability. 4.Finishing Grinding: Achieves sub-micron tolerances. Polishing: Reduces roughness, minimizes noise. Finishing operations ensure smooth performance and precise accuracy. 5.Inspection & Testing Gears undergo profile and lead measurement, noise analysis, and endurance testing to guarantee consistent performance. Conclusion Manufacturing precision gears is a blend of science, engineering, and craftsmanship. By strictly controlling every process, manufacturers can deliver gears that meet the demanding standards of robotics, EVs, and industrial automation.
Introduction In today’s high-tech industries, gears remain at the heart of power transmission. Small-module precision gears, with their compact size and high accuracy, have become essential components in robotics, electric vehicles, medical devices, and automated logistics. Robotics Small-module gears are widely used in humanoid robot joints, collaborative robots, and industrial robots. They provide high-precision rotation and torque transfer in limited spaces, ensuring smooth and repeatable movements. Electric Vehicles In EV drive motors and two-speed gearboxes, small-module gears enable high-speed operation with low noise, improving energy efficiency and driving comfort. Medical Devices Medical devices demand stability and quiet operation. Small-module gears are applied in surgical robots, imaging equipment, and precision delivery systems. Automation & AGVs In AGVs and automated warehousing, small-module gears power lifting mechanisms and steering wheels, ensuring efficient and reliable material handling. Conclusion Small-module precision gears are driving the future of industries, providing a solid transmission foundation for next-generation robots, EVs, and intelligent systems

From robotics to electric vehicles, you'll find clear answers to every question here, and our engineering team will design, prototype, and deliver the perfect gear solution for you.
Yes. We provide flexible MOQ and fast prototyping services. Whether you need a single prototype or a small batch run, we can deliver high-precision gears within 2–3 weeks.
Our gears are widely applied in humanoid robots, electric vehicles, AGVs, industrial automation, and medical devices. We also provide tailored solutions for specific customer applications.
We strictly follow international standards such as ISO 1328, DIN, and AGMA. With advanced CNC and gear grinding equipment, plus full inspection systems, we guarantee ≤ Grade 4 accuracy, long durability, and consistent performance.
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