Koken: Testing, Design and Developing

Test and Laboratory

Ko-ken uses a variety of test equipment. Strength is measured by the static load test machine that can measure torque loads up to 5000Nm. Durability is measured by the Cyclic Test Machine and corrosion resistance testing is done by the salt spray test machine. The test results are used to improve our standard products and assist with new product design and development.

Design and Development

The 3D-CAD is used to improve standard products, designing new products and making customized items for special requirements. Trial products are regularly developed, manufactured and tested to improve the durability, appearance and functionality of all tools produced by Ko-ken.

Forging

The forming machines re used for the forging process. These machines can produce mass quantities of sockets and parts with high accuracy that ordinary drop forging machines can not achieve. On the other hand ordinary forging machines are also used for small production runs.

Turning

The forged steel is turned into required shapes and dimensions. The MC (Machine Center) operates with extraordinary speed and precision. The article number, size, logo, production number and "MADE IN JAPAN" are marked on the products after the turning process has been completed.

Heat Treatment

To make the tools stronger and more durable, proper heat treatment is critically important. The temperature and the time of the heat treatment are strictly regulated by a very accurate control device.

Inspection

Our products are periodically checked at each production process by inspection devices. Highly accurate 3-D measuring instruments are used to inspect and check dimensions.

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