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Open Back Power Press

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J25/JH25 Series

Pneumatic Open Back Double Point Press With High Performance

Image of Open Back Power Press - J25/JH25 Series

Main Features

  • Welded body with steel plate and high intensity.
  • Suitable for multiple dies automatic line and multi level dies continuous punching.
  • Double crankshaft pitmen totally eliminating side forces by reverse rotation.
  • Combined wet multi discs friction clutch and brake.
  • Cluster gear adopts the flooding oil lubrication.
  • Six-face rectangle lengthen guide.
  • Equipped with hydraulic overload protecting device.
  • Adopts electric shut height adjustment with digital display.
  • Equipped with lifting balance cylinder.
  • Duplex valves imported.
  • Electric compelling grease lubrication system.
  • Balancing cylinder adopts manual lubrication system.
  • One set of blowing device.
  • Controlled by PLC with international brand.
  • Buttons, indicators, AC contactors, air circuit breakers and other controlling devices are imported from international brand.
  • Equipped with optional air cushion device , photoelectric protector,which can used to work with various automatic equipments.
  • Ⅰtype specifications is for standard product, Ⅱtype specifications is for customized product.
  • JH25 series adopts combined dry friction clutch and brake, fixed stroke , the other specifications are the same as J25 series.

Specifications

Model J25-80 J25-110 J25-160 J25-200 J25-250
JH25-80 JH25-110 JH25-160 JH25-200 JH25-250
Type  
Capacity kN 800 1100 1600   2000 2500
Nominal Force mm 5 3 5 3 6 3 7 3 7 3.5
Slide Stroke mm 160 90 180 110 200 130 250 150 280 170
SPM Fixed min-1 55 70 50 60 45 55 35 45 30 40
Variable 40-75 55-90 35-65 50-80 35-50 40-65 25-45 35-55 20-35 30-45
Max. Die Height mm 350 400 450 500 550
Die Height Adjustment mm 80 90 100 110 120
Between Slide Center & Frame mm 310 350 390 430 470
Bolster (FB×LR) mm 600 680 760 840 920
1600 1880 2040 2420 2700
Bolster Thickness mm 110 145 130 165 150 185 170 220 180 235
Slide Area (FB×LR) mm 460×1200 520×1360 580×1500 650×1850 700×2100
Shank Hole (Dia.×Dpth) mm 3-φ60×60 3-φ60×70 3-φ60×75 3-φ60×85 3-φ60×95
Between Columns mm 1200 1450 1600 1900 2220
Main Motor Model   YCT225-4A YCT225-4B YCT250-4A YCT250-4B YCT280-4A
Power kW 11 15 18.5 22 30
Cushion Ejecting Force kN 40×2 55×2 80×2 100×2 125×2
Cushion Stroke mm 60 70 80 90 100
Bolster Height mm 900 935 900 935 950 985 1000 1050 1100 1155
Outline Size (FB×LR×H) mm 2160×1750
×3100
2250×2040
×3260
2550×2220
×3580
2660×2560
×3980
2880×2860
×4320
Net Weight kg J25:13000 J25:16000 J25:26000 J25:30000 J25:42000
JH25:12500 JH25:15500 JH25:25500 JH25:29500 JH25:41500