北京钢琴厂,生产著名的星海牌钢琴,其外壳生产中的一个重要环节即:钢琴壳体喷漆后的打磨、抛光作业。原外壳生产车间空间狭小,生产设备比较陈旧,工人的工作环境很差,车间里打磨、抛光的粉尘、纤维毛絮弥漫,从车间里出来,从头到脚象下了一层白霜,粉尘浓度大大超标,初步测算,接近 Beijing Piano Factory, the production of the famous Xinghai pianos, an important part of the production of the shell that is: the piano shell painting after polishing, polishing operations. The original shell production workshop space is small, the production equipment is outdated, the working environment for workers is poor, the workshop grinding, polishing dust, fiber fluffy diffuse out from the workshop, from head to toe like a layer of hoar frost, dust concentration Greatly exceeded, preliminary estimates, close