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Four-panel manga "Go for it!! Bobin-kun" <Episode 39>

Various quality controls are required for spring wire materials! Introducing the technology, effort, and cost through a four-panel comic.

We would like to introduce the four-panel manga "Go for it!! Bobin-kun" <Episode 39> by Nobu Sakai. To ensure the production of high-quality spring products, or to minimize the defect rate when customers manufacture spring products, various quality controls are required for spring wire materials. You can view the continuation of the four-panel manga on our company website. [Examples of Required Quality] ■ Coil Diameter FCD (Free Coil Diameter) ■ Jump Up JU (Jump Up) ■ Free Jump Up FJU (Free Jump Up) ■ Waviness *For more details, please refer to the related links or feel free to contact us.

Related Link - https://www.sakaiwire.co.jp/entry_list2.php

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