MIG welding 01 Maintain 1/4-3/8 inch extension of the welding rod (the length of welding wire extending from the welding torch head). 02 Use small diameter welding wire when welding thin plates; Use large diameter welding wire and high current welding machine when welding thick plates. 03 Use the correct welding wire to weld the …
The failure mode of fastener design is generally bolt fracture, bolt and nut are not allowed to slip. Therefore, if the bolt matching counterpart is a nut, the bearing capacity of the nut is generally higher than that of the bolt. For example, the bolt of grade 10.9 needs to match at least the nut …
How do we deal with stripped screw during the assembly process? Read More »
Why should the hardware be blackened? Mainly rust prevention As we all know, most metals are chemically reactive, but in fact they are easy to oxidize, which is easy to rust in layman’s terms. Common metals will show different colors after rusting. The following are some common colors of rusted metals: 1. Iron: Iron usually …
Technology and principle of blackening treatment Read More »
