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Step 5Weld it Together
The tricky part was welding it without melting the plastic bearings on the shredder.
I draped a soggy wet rag over the metal between the weld and the plastic bearings. Then after welding I mopped at the hissing welds to chill them as soon as I could without cracking them.
I used the shop's wirefeed welder. To make welding easy, use Miller's online welding calculator to find out what amperage, gas pressure, wire feed rate, etc. for the material and type of weld you're doing.
I draped a soggy wet rag over the metal between the weld and the plastic bearings. Then after welding I mopped at the hissing welds to chill them as soon as I could without cracking them.
I used the shop's wirefeed welder. To make welding easy, use Miller's online welding calculator to find out what amperage, gas pressure, wire feed rate, etc. for the material and type of weld you're doing.
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