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Latest update: 27/04/2017 14:10:22

Kinkoh Co., Ltd.

We are a precision metal die and micro machining manufacturer. 

Our company designs, develops, and manufactures precision punching dies, powder metallurgy dies, and extrusion molding dies. We also produce various gauges, precision jigs and tools, precision parts, dies, and system components. We combine various kinds of EDM with other machining tools, methods, and original jigs and tools to satisfy a wide range of machining needs. We can handle multi-axis machining processes such as precision machining, high-precision machining with 2-µm parallelism and flatness tolerances, EDM die sinking, and EDM fine boring with diameter 0.04 mm. We also offer shrink fitting, brazing, mirror surface wrapping, and grinding.


Other presentation

[Company strength]
We possess 21 units of EDM machines, as well as other machining tools from various manufacturers. We can employ an optimal machining option for each project, which enables us to flexibly satisfy a wide range of machining needs in combination with our original jigs and tools. We try to combine these advanced technologies with the exceptional skills of our engineers, such as manual bonding, brazing, polishing, and grinding. 

[Business description]
Our lines of business include die design, development, and manufacturing. We offer precision punching dies (ceramic green sheets, MCPET, and so on) and powder metallurgy dies (condensers, various electronic parts, throwaway chips, cutting tools, abrasion resistant parts, and so on). Our die products include extrusion molding dies (honeycomb catalyst, abrasion resistant parts, insulating parts, and so on). We also manufacture various gauges, precision jigs and tools, dies, and system components. 

Die, jig, tool, and precision part manufacturing

[Strength of products/technologies]
We possess technology for high-precision machining and high-precision grinding (tolerance within 2 µm in both parallelism and flatness) gained from high-precision metal die production. Our EDM die sinking realizes surface roughness of Ra 0.06 µm and inside corners of Ra 5 µm. We offer EDM fine boring of diameter 0.04 mm with pitch accuracy of ±2 µm. Our ultra-fine wire cut EDM processing features a minimum inside corner of R 0.023 mm, and surface roughness of Ra 0.04 µm. We offer precision profile grinding with multi-axis control, and other technologies such as shrink fitting, brazing, mirror surface wrapping, and grinding.

[Representative's message]
Our company has participated in the SME Expo Sougouten in Kansai, and a number of other business conferences a few times a year. We have tried to receive visitors for factory tours and meetings to acquire new customers. We also circulate information via our corporate website and other tools to cultivate domestic Japanese and overseas markets. 

[Company structure for market development/overseas expansion]
We have sales representatives in charge of new customer acquisition in our head office and Yamaguchi sales office who function as contact persons for major companies. Our factory managers and section managers reply to technical inquires received via our website, and they are actively involved in problem solving. We obtained ISO 9001 quality control certification in 2006, and established a solid framework for ensuring the quality of our products based on international quality control standards.

[Awards and media coverage]
Kagoshima Prefecture, Unique Company Award, Metal Category Prize (2012). 

Chuo Kai monthly magazine, case study on the use of the Monozukuri Subsidy (November 2014). 

Acquired ISO 9001 certification in 2006. 

[Main Clients / Business History (domestic)]
Kyocera (green sheet punching dies, powder molding dies, precision jigs and tools, precision parts); Ibiden (extrusion molding dies); Daihatsu Motor (various gauges, jigs and tools). 

[Main Clients / Business History (overseas)]
NGK Electronics Device Asia Malaysia (system components).

This company is recommended by the following support organizations.

Kyushu Head Office, SMRJ