... per minute 2,Automatic lubrication system 3,Hydraulic locking device for adjustment roas Features: 1,Welded to frame the whole ... the whole rigid boby deformation of small,beautiful appearance. 2, Pressing the slider bar linkage whit the elbiw,to meet the ... lubrication system,automatic alarm indication circuit biocl. 6, Gentel machine operating speed,the workpiesce pressure time1/20 times or more ...