长套筒(铸铁)是纺织行业的通用件,以前采用中心架支承来镗内孔(φ29 H7、φ30H7),中心架支撑容易磨损。使用时要经常加油调整,辅助工时长。为此,我们制作了胀力夹具,夹具材料选用灰铸铁,车制时先加工内套,四条等分槽可手工锯成。加工完内套后再加工外套,加工完毕拧上内套,即可放 Long sleeve (cast iron) is a common part of the textile industry, the center frame used to support boring bore (φ29 H7, φ30H7), the center frame is easy to wear. When used to refuel often adjust to help work long hours. To this end, we have produced a swell force fixture, fixture material selection of gray cast iron, the car first processing inner sleeve, four bisecting groove can be hand-sawed into. After processing the inner sleeve and then processing jacket, finished screwing the inner sleeve, you can put