JH21 C Frame Pneumatic Press

World Precise Machinery Co.,Ltd is one of the leading China jh21 c frame pneumatic press manufacturers equipped with professional factory, welcome to wholesale cheap open type press, aida gap frame press, gap frame power press, gap frame punch machine, gap frame punching machine, c frame single point press, c frame single stroke press, gap frame single action press, jh21 c frame single crank press from us. FEATURES： Steel welded body, tempering treatment or VSR(Vibratory Stress Relief), high rigidity, accuracy and stability. Pneumatic dual balance cylinders, which balance the slide and punch weight to reduce noise and impact. The crankshaft undergoes gringding treatment after high frequency quenching. Lengthened six-face rectangle guide with a surface of bronze plate. Vertical located crankshaft, compact structure. PLC control and imported safety duplex valve. Wet type combined multi discs friction clutch and brake. Hydraulic onerload protected. Main Specifications： Parameter Unit JH21-25 JH21-45 JH21-60 JH21-80 Nominal Capacity KN 250 450 600 800 Nominal Stroke mm 3 4 4 5 Slide Stroke Length mm 80 120 140 160 Slide Stroke Fixed  times/min 100 80 70 60   Variable times/min 60-100 50-80 45-70 40-60 Max. Die Set Height mm 250 270 300 320 Die Height Adjustment mm 50 60 70 80 Throat Depth mm 210 225 270 310 Distance Between Uprights mm 450 515 560 610 Slide Bottom Size L x R mm 360 410 480 540   F x B mm 250 340 400 460 Handle Hole Size Dia mm 40 50 50 50   Depth mm 65 60 70 65 Bolster Size L x R mm 720 825 930 950   F x B mm 400 440 520 600 Bolster Thickness mm 80 110 130 140 Table Hole Diameter mm 150 150 150 180 Bolster Surface Height mm 780 800 900 900 Overall Size F x B mm 1496 1585 1540 1765   L x R mm 945 1075 1200 1200   H mm 2120 2391 2570 2725 Distance between foundation bolts F x B mm 980 1075 1100 1210   L x R mm 690 760 840 920 Motor Power Kw 3 5.5 5.5 7.5 Weight Kg 2450 3550 5150 6450 Press Pressure Mpa 0.5 Parameter Unit JH21-125 JH21-160 JH21-200 Nominal Capacity KN 1250 1600 2000 Nominal Stroke mm 6 6 6 Slide Stroke Length mm 180 200 220 Slide Stroke Fixed  times/min 50 45 45   Variable times/min 35-50 30-45 25-45 Max. Die Set Height mm 350 400 450 Die Height Adjustment mm 90 100 110 Throat Depth mm 350 400 430 Distance Between Uprights mm 670 736 910 Slide Bottom Size L x R mm 620 700 880   F x B mm 520 580 650 Handle Hole Size Dia mm 70 70 70   Depth mm 90 100 100 Bolster Size L x R mm 1100 1170 1390   F x B mm 680 760 840 Bolster Thickness mm 155 165 180 Table Hole Diameter mm 200 220 250 Bolster Surface Height mm 900 900 1000 Overall Size F x B mm 2040 2305 2600   L x R mm 1320 1420 1540   H mm 3035 3215 3800 Distance between foundation bolts F x B mm 1430 1665 2020   L x R mm 1040 1140 1360 Motor Power Kw 11 15 18.5 Weight Kg 9550 13600 19200 Press Pressure Mpa 0.5 Parameter Unit JH21-250 JH21-315 JH21-400 Nominal Capacity KN 2500 3150 4000 Nominal Stroke mm 6 7 8 Slide Stroke Length mm 220 220 250 Slide Stroke Fixed  times/min 30 30 30   Variable times/min 20-30 20-30 20-30 Max. Die Set Height mm 500 500 550 Die Height Adjustment mm 120 120 120 Throat Depth mm 450 450 490 Distance Between Uprights mm 980 980 1050 Slide Bottom Size L x R mm 950 950 1020   F x B mm 700 700 750 Handle Hole Size Dia mm 70 70 70   Depth mm 130 130 130 Bolster Size L x R mm 1500 1540 1700   F x B mm 880 880 950 Bolster Thickness mm 190 190 210 Table Hole Diameter mm 270 270 290 Bolster Surface Height mm 1000 1000 1100 Overall Size F x B mm 2660 2720 2850   L x R mm 1640 1680 1750   H mm 3850 3850 4150 Distance between foundation bolts F x B mm 2100 2140 2260   L x R mm 1460 1500 1570 Motor Power Kw 22 30 37 Weight Kg 23200 26600 29500 Press Pressure Mpa 0.5 Classic case: