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小提琴弓尾螺丝虽然是一个很小的不显眼的零件,但是要把它做出来,却要花费很多时间。我厂原来的工艺操作就是这样:从铜皮开料、退火、冲小料、敲圆、银焊、敲八角,装到胶木上去……,直到弓尾螺丝完成止,需要三十道工序。在生产流程中,基本都是手工操作,不仅有焊接,还有拿着长锉刀把铜圈八角面一边一边地锉出来,技术要求高,质量也不稳定,并且劳动强度大,生产跟不上形势发展的要求。
Although the violin bow screw is a small, inconspicuous part, it takes a lot of time to make it. Our original process operation is like this: from the copper material, annealing, Chong Xiao materials, knock round, silver welding, knocking octagonal, mounted on the bakelite ... ... until the tail screws to complete, you need thirty processes. In the production process, the basic are manual operation, not only welding, but also holding a long file rasp side of the octahedron rasp side of the file, high technical requirements, the quality is not stable, and labor-intensive, the production can not keep up The development of the situation requirements.