forestckj
幼苗
共回答了24个问题采纳率:91.7% 举报
1.Products in the process of even mouth,Because the product not flat,Cause ports appear uneven phenomenon.
2.Products in the assembly process,Due to the port expansion mouth appeared after material trace overpull,Leads to the ports of the rugged products,The resulting product verticality is poor,Extended segment is very poor,Length is very poor.
Corrective measures
1.Change product processing technology.Lengthen steel pipe materials in length,Even mouth length,For after the production with secondary flat sequence mouth machining allowance.
2.After completion of the product assembly,Adding secondary even mouth process.Used to guarantee the end product of port perpendicularity,lengthAnd port extension section size.
1年前
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