Key words: press machine, punch machine, punch press, punching press, punching machine, sheet punching machine, mechanical punching machine J21 Series Open-type Press with Fixed Bed Main properties of products: The press of this series is an universal one for sheet prossing, generally suitable for piercing, blanking, cutting, bending, shallow-drawing, forming and other procedures. Specifications of products: No.Descriptions Model UnitJ21-80AJ21-125AJA21-165AJA21-200AJA21-200BJA21-250A1Nominal CapacitykN800125016502000200025002Stroke of Nominal Pressuremm710121212123Stroke of Slidemm1001301301301301604Strokes per Minutespm4038353232285Max Shut Heightmm3203804004004004506Shut Height Adjustmentmm801001001001001007Throat Depthmm3103803803803004108Size of WorktableR-Lmm86010801070107010701200F-Bmm5707107407405908009Size of Worktable HoleR-Lmm450500////F-Bmm310340////Dia.mm40045018030022030010Size of Slide BottomR-Lmm400430480480480580F-Bmm36037040042040050011Size of Shank HoleDia.mm506070707070Depthmm70758010010010012Distance Between Columnsmm42053069065065078013Thickness of Bolstermm8010014018018018014MotorTypeY132M-4Y160M-4Y180M-4Y180L-4Y180L-4Y225M-6Powerkw7.51118.5222230Rev.rpm1440146014701470147098015Overall SizeF-Bmm192023202550264825502785R-Lmm150017351820193019302065Heightmm26503110324533503350356516Weight (about)Kg5000960012500153001470016700