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Open Back Power Press

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J21 Series

General Open Back Press With Fixed Bed

Image of Open Back Power Press - J21 Series

Main Features

  • Adopts horizontally placed crankshaft.
  • Rigid rotated bond clutch.
  • Manual shut height adjustment withj scale display
  • The type with "A" equipped with emergency stop device, which could make the slide stop ai 0°~135° area and equipped with light curtain protechor as well.
  • The type with "D" adopts dual rotated bond structure to overcome rebond of punching effectively.
  • JC21-160 equipped tith pneumatic clutch to make slide atop at any position.

Specifications

Model J21-63A JD21-63A J21-80A JD21-80A
Capacity kN 630 630 800 800
Nominal Force mm 8 8 9 9
Slide Stroke mm 120 120 130 130
SPM min-1 50 50 45 45
Max. Die Height mm 300 300 350 320
Die Height Adjustment mm 80 80 100 100
Between Slide Center & Frame mm 300 300 300 300
Bolster (FB×LR) mm 570×760 570×760 580×860 580×860
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm Φ200×45×Φ180 Φ200×45×Φ180 Φ200×45×Φ180 Φ200×45×Φ180
Bolster Thickness mm 90 90 100 100
Bolster Opening (Dia.×FB×LR) mm Casting Φ280×220×320 Φ280×220×320 Casting Φ280×220×380 Φ280×220×380
Steel 220×250   Steel 220×260  
Slide Area (FB×LR) mm 280×320 280×320 280×380 280×380
Shank Hole (Dia.×Dpth) mm Φ50×80 Φ50×80 Φ60×75 Φ60×75
Between Columns mm Steel 470 320 Steel 515 410
Casting 320 Casting 410
Motor Power kW 5.5 5.5 7.5 7.5
Outline Size (FB×LR×H) mm 1550×1410×2610 1550×1410×2610 1610×1470×2680 1925×1470×2675
Model JD21-100A JD21-125A JC21-160
Capacity kN 1000 1250 1600
Nominal Force mm 10 10 6
Slide Stroke mm 140 140 160
SPM min-1 38 38 40
Max. Die Height mm 320 320 350
Die Height Adjustment mm 100 100 100
Between Slide Center & Frame mm 380 380 380
Bolster (FB×LR) mm 710×1100 720×1200 740×1300
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm Φ260×50×Φ220 Φ260×50×Φ220 Φ300×50×Φ220
Bolster Thickness mm 120 120 150
Bolster Opening (Dia.×FB×LR) mm Casting Φ320×250×420 Casting Φ320×250×420 Φ470
Steel 260×290 Steel 260×290
Slide Area (FB×LR) mm 420×560 420×560 580×770
Shank Hole (Dia.×Dpth) mm Φ60×80 Φ60×80 Φ65×85
Between Columns mm Steel 630 Steel 620 730
Casting 580 Casting 580
Motor Power kW 7.5 11 15
Outline Size (FB×LR×H) mm 1960×1335×2850 2060×1600×3000 2200×1550×3160