Key words: straight-side punch machine, punch press, punching press, punching machine, sheet punching machine, mechanical punching machine J31 Series Straight Side single-point Press Main properties of products: The press of this series is a universal machine for cold or hot punching in industries like hardware, bearing, water heating, loudspeaker, auto accessories, standard parts, household appliances industry and etc. It has two operation modes, viz. single and continuous operation mode. Its steel plate welded frame is superior in rigidity and strength. Its slide is guided by the four-face guides inlaid with copper, is wear resistant and runs in high precision. It is equipped with balancing unit, which guarantees that the driving system runs smoothly and raises less noise. Its specially designed lubrication system is economical and reliable. Its operation system is controlled by two-handed pushbutton or foot switch, is easy to operate, safe and reliable.Specifications of products: No.Descriptions Model UnitJ31-125BJ31-165BJ31-200BJ31-250BJ31-315B1Nominal CapacitykN125016502000250031502Nominal Strokemm12121212123Stroke of Slidemm1801802102302304Strokes Per Minutespm38353228285Max. Die Height/Shut Heightmm335/435405/515360/500420/560500/6606Die Height/Shut Height Adjustmentmm1001001001001007Worktable/Bolster SizeF-Bmm650710790850930R-Lmm650680710730800Thicknessmm65/10075/11085/14095/14095/160Dia.mmφ250/φ200φ320/φ300φ320/φ300φ320/φ300φ320/φ3008Distance Between Guidesmm4204805205306209Distance Between Columnsmm68071073075083010Slide Bottom SizeF-Bmm360420550560630R-Lmm38045050051058011Shank Hole SizeDia.mmφ65φ75φ75φ75φ75Depthmm11012012012012012Distance from Worktable to the Bottom of Guidesmm55359559567577513Motor TypeY132M-4Y160L-4Y180L-4Y200L2-6Y225M-6Powerkw7.515222230Rev.rpm14401460147097098014Overall SizeF-Bmm17951880192221332173R-Lmm17871945206521302210Heightmm3130337534233708388515Weight(about)Kg65008300106001310016000