Hexagon Nut×池田金属工業 - List of Manufacturers, Suppliers, Companies and Products

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What kind of screws are prone to seizing? Part 1

I will explain about screws that are prone to seizing in a blog format!

In terms of screw fastening itself, I will provide some examples of what tends to seize easily. For instance, in the fastening of hex bolts and hex nuts, when using JIS supplementary items such as JA hex nut type 1 and high nuts with greater height, the high nuts are more prone to seizing. In the case of high nuts, the grip length of the threads between the hex bolt and hex nut becomes longer, which increases the contact area between the male and female threads, generating friction heat more quickly and at a higher level. As a result, thermal expansion occurs, leading to the threads seizing. *For more detailed content of the blog, you can view it through the related links. Please feel free to contact us for more information.

Company：池田金属工業
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[Case Study] Elimination of Defects in Small Nuts and Visual Inspection Work

A case where the change of the manufacturing manufacturer and the mechanization of inspection reduced the defect occurrence rate.

We would like to introduce a case where we proposed "switching manufacturers/automating the bagging process" to a battery manufacturer. There was a frequent issue with the small-diameter brass hex nuts used in battery production, where "the taps were cut at an angle." After our proposal, and following audits of two manufacturers, product defects have not occurred since the process changes were approved. 【Case Overview】 ■ Issue - There was a frequent issue with the small-diameter brass hex nuts used in battery production, where "the taps were cut at an angle." ■ Requirements for Solving the Issue - Select manufacturers that can ensure accurate quality control (to prevent occurrence) - Ensure that defective products can be detected during the bagging and inspection processes (to prevent outflow) *For more details, please refer to the related links or feel free to contact us.