The HONGYU metal junction box is made of 3mm thick cold-rolled steel plate and processed by laser cutting and one-piece stamping forming technology. The overall structure has no welding weaknesses. Its impact resistance meets the IK10 standard and can withstand mechanical shock of 10 joules, effecti......
Read MoreIn ordinary stamping, when the blank is initially pressed by the punch, it will produce elastic warpage and concave arc surface under the punch. If the gap is moderate and the shearing is carried out in time, the elastic warpage will be basically eliminated. When the gap is too large, the blank is s......
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