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Mechanical Components

High-Precision Plastic Gear Molds: Achieving Lightweight, Low-Noise, and High-Durability Solutions for Robotics and Mobility

Chiba Dies Co., Ltd.
Molds engineered to solve precision, noise, and durability issues in plastic gears

Molds engineered to solve precision, noise, and durability issues in plastic gears

Partner with world-class researchers and mold experts. We do not just supply molds; we engineer solutions that resolve your toughest gear design challenges from day one.

Chiba Dies Co., Ltd. provides plastic gear molds designed to eliminate the common pain points of plastic gears: noise, wear, strength issues, and precision errors. Our unique approach unites polymer researchers, our in-house Gear Research Institute, and machining specialists to conduct multifaceted analyses of material properties, molding shrinkage, and noise factors. We leverage massive datasets derived from over 3,100 mold production projects and 550 joint R&D initiatives with major corporations to deliver the optimal mold for your needs. Uniquely, we house one of the world's few Tribology Research Institutes dedicated to plastic gears, allowing us to offer a true one-stop solution covering everything from design, prototyping, and mold making to production, measurement, and rigorous noise/durability testing. Empower your product development and sharpen your market competitiveness with our engineered solutions.

Our Gear Research Institute accelerates development for robotics and mobility applications

Our Gear Research Institute accelerates development for robotics and mobility applications

Enhance your product development with advanced resin conversion for complex gears, including hourglass worm wheels, spiral bevel gears, and specialized crowning.

We excel in mold manufacturing for complex geometries that are increasingly in demand for robotics and next-gen mobility, such as hourglass worm wheels, spiral bevel gears, and gears requiring precise crowning. Mastering these difficult-to-mold components gives you a significant advantage in winning new contracts. Backed by our Tribology Research Institute and innovations like the globally acclaimed NobusicGEAR, we possess development capabilities that standard manufacturers simply cannot match. Why settle for standard parts when you can produce gears that are otherwise impossible to source? Leveraging our proven technology and track record, we support your ability to innovate and dominate the market by realizing gear molds that others find impossible.
Open new markets with PEEK and PPS gear molds designed for metal replacement

Open new markets with PEEK and PPS gear molds designed for metal replacement

Expert support for replacing metal with plastic, utilizing our extensive track record with high-performance engineering plastics like PEEK and PPS.

We offer comprehensive design and manufacturing of molds for high-performance engineering plastics (Super Engineering Plastics) such as PEEK and PPS, known for their superior strength and heat resistance. While maintaining precision and mass-production stability with these materials is notoriously difficult, our expertise ensures high-quality results. Because we manufacture both plastic and metal gears, we deeply understand the distinct characteristics and design philosophies of both. This allows us to propose the optimal conversion strategy, not just a material swap, but a re-engineering that achieves weight reduction, noise suppression, and cost savings simultaneously. Elevate your product performance with high-precision gears made from advanced super engineering plastics.
Manufacturing gear mold cavities compliant with global standards

Manufacturing gear mold cavities compliant with global standards

Attention Mold & Molding Manufacturers: We supply high-precision gear cavities for modified and special tooth profiles.

Our expertise extends to manufacturing high-precision cavities equivalent to JIS Grade 0, as well as cavities for modified and special tooth profiles. We offer micron-level dimensional adjustments following trial runs to ensure perfection. Our manufacturing capabilities fully comply with major international standards including ISO, JIS, AGMA, DIN, and BS.

Production Portfolio Highlights: Spur gears, internal gears, helical gears, sector gears, screw gears, worm gears, hourglass worm gears, multi-start worms, crown gears, face gears, hypoid gears, double helical gears (herringbone), straight bevel gears (Standard/Gleason), spiral bevel gears, Zerol bevel gears, and more.

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