摘要
通过对压环制作工艺的改进 ,设计出了新的冲压环复合模具 ,使压环一次成形 。
Through improving on the processing of the press ring, new combined dies are designed.It can press the bank of the press ring into the final shape and lift the product quality and production rate.
出处
《煤炭技术》
CAS
2001年第7期7-8,共2页
Coal Technology