Spot welded box
Electricity
2 Part | 4 Forming type | 8 Cutting tools
A small box with lock to safeguard electrical or similar items. In addition to the thin design elements, there are precision fit plug-in devices on both sides of the box. The easily handled deburred cover can be fastened with the help of countersunk screws on a cold formed thread and stability is provided by spot welding.
Basic knowledge used on this part:
- multibend
- deburring
- standard forms
- thread formation
- z-lug
- countersink
- head welder
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You can see the welded joint on the right-hand side. The highly bent tabs of the box give it its high dimensional stability, and therefore, its high load capacity. On the left-hand side you can see the formed thread that is designed for screwing in the cover.
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Here you can see the a section of the welded joint used. The Z shaped lug is pressed over a weld hump and is joined with the help of electrical energy.
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The countersinks of the cover mean that the countersunk head screws used disappear nearly completely into the box.
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A great advantage: the component leaves the punching machine with the edges now folded by 60%. The result is more efficient and cheap production.