A case study proposing investigation and countermeasures for the loosening of embedded bolts used to secure tire wheels.
We would like to introduce a case where we proposed the identification of the cause of loosening and permanent countermeasures through hypothesis establishment and dimensional inspection using an image measurement device for an industrial vehicle manufacturer. There was an issue where the embedded bolts used to secure the tire wheels of forklifts were falling off after being delivered to the customer. We shared knowledge regarding the threaded parts' dimensional measurement using the image measurement device and proposed clearly stating tolerances on the drawings to ensure accurate communication of information among design, quality control, procurement, and suppliers. [Overview of the Issue] ■ The embedded bolts used to secure the tire wheels of forklifts were falling off after being delivered to the customer. ■ If they fall off while in operation, it could lead to a serious accident, so it must be resolved urgently. *For more details, please refer to the related links or feel free to contact us.
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【Proposal Results】 ■ Immediately explain the difference between embedded bolts and double-ended bolts to the customer, and manufacture and deliver the correct tolerance "embedded bolts" at Ikekin's partner factory. ■ Propose to specify tolerances on the drawings to ensure accurate communication of information among design, quality control, procurement, and suppliers (permanent measure). *For more details, please refer to the related links or feel free to contact us.
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For more details, please refer to the related links or feel free to contact us.
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We are not just a simple fastener supplier; we are committed to solving our customers' problems with a broad perspective on "fastening." Rather than relying on measures based on experience and habit, we propose the best solutions after understanding the root causes of the issues.