... , run 200 strokes per minute 2,Automatic lubrication system 3,Hydraulic locking device for adjustment roas Features: 1,Welded to ... drive components to improve the service life of components. 3, Pneumatic friction clutch-brakes,the operating system is stable, ... system,automatic alarm indication circuit biocl. 6, Gentel machine operating speed,the workpiesce pressure time1/20 times or more,which ...