JH21-80T Automatic Pneumatic Punching Machine

Introduction JH21 series punch press machines are widely used for metal sheet punching,shaping, extending and processing in small quantity,for the industries such as traffic vehicles,timepieces,household electric appliances,stationary,manual tools hardware,as well as computers.At same time,it can be equipped with automatic feeder and used for automatic conveying in assemble line. Features 1.C Type Steel-welded frame,high rigidity and less deformation,wide body frame eliminates vibration. 2.Rigid construction guarantees exact die mating,six-side long rectangle guides of the slide with high moving precision and high accuracy,extending the service life of the die. 3.Highly advanced,rigidly supported gears,operate in oil bath without any noise saves space,reduces shaft deflection,increases gear life. 4.High accuracy,high efficiency,simple and convenient operation,good performance,favorable price and best service. Technical Parameter Item Units Value Nominal pressure KN 800 Nominal stroke mm 5 Slide stroke mm 140 Stroke number Constant speed min-1 60 Adjust speed(optional) min-1 50-70 Mold set height mm 320 Mold height adjusting amount mm 80 Slide block central distance mm 300 Working table size Front and back mm 580 Left and right mm 1000 Working table hole size Front and back mm 350 Left and right mm 380 Round mm 365 Working table thickness mm 120 Sliding block underside size Front and back mm 420 Left and right mm 560 Die shank hole size Diameter mm 50 Depth mm 80 Stand column distance mm 680 Motor power KW 7.5 Air pressure Mpa 0.55 Weight Kg 7185