铅黄铜拉花棒已生产了将近有二十年,主要供应电器、仪表、钟表等行业,用于制造镶嵌或拧旋另件。多年来,生产不断发展,需要量也逐年增加,规格从中3毫米至由36毫米有几十种。拉花棒是一种表面有齿形的异型棒材,故在一般矫直机上无法进行矫直。尤其是规格较小的拉花棒,由于弯曲度大,给采用自动机床加工另件的用户带来很大困难。不仅材料利用 Lead brass pull bar has been produced for nearly 20 years, the main supplier of electrical appliances, watches, watches and other industries, used to create mosaic or screw spin other pieces. Over the years, the continuous development of production, demand also increased year by year, from 3 mm to 36 mm by dozens of species. Stretch bar is a kind of profiled bar on the surface, so it can not be straightened in general straightening machine. Especially the smaller size of the flower stick, due to the large curvature, to the use of automatic machine parts processing of other users bring great difficulties. Not only material utilization