Description J21-100 punch presses are large machines with a c type frame, power press with fixed bed and slide block's reciprocating motion to finish the punching work. It is usually used for stamping and forming communications, computers, household appliances, furniture, vehicles(cars, motorcycles, bicycles metal parts), etc. Characteristics 1.It adopts steel welding structure with high stiffness and reasonable structure and low noise. 2.Combined type air friction clutch which is easy to install and repair. 3.The main motor have positive inversion function and with duplex magnetic valve to ensure the safety. 4.The crank connecting rod serves as the working mechanism. Crank connecting rod is rigid, so the movement of the slider is mandatory, times of strokes in per minute of slider and the movement curve of the slider are fixed. Technical parameter: Item Units Value Nominal pressure Kn 1000 Nominal stroke Mm 8 Slide stroke Mm 130 Stroke number Min-1 38 Mold set height Mm 400 Mold height adjusting amount Mm 80 Slide block central distance Mm 340 Working table size Front and back Mm 630 Left and right Mm 950 Working table hole size Front and back Mm 320 Left and right Mm 450 Diameter Mm 400 Sliding block underside size Front and back Mm 360 Left and right Mm 400 Die shank hole size Diameter Mm 60 Depth Mm 70 Stand column distance Mm 400 Working table thickness Mm 95 Boundary dimension Front and back Mm 2250 Left and right Mm 1600 Height Mm 2900 Motor power Kw 11 Weight Kg 7150