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Open Back Power Press

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JZ21 Series

High Performance Press With Wet Clutch And Hydraulic Overload Protector

Image of Open Back Power Press - JZ21 Series

Main Features

  • Welded body with steel plate and high intensity.
  • 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.
  • JZ21-45 adopts manual shut height adjustment with scale display.
  • JZ21-45 can equip with die set height adjustment motor, the value will be displayed by digital.
  • JZ21-63 and above type 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.
  • Electronic cam control.
  • 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, wich can used to work with various automatic equipments.

Specifications

Model JZ21-45 JZ21-63 JZ21-80 JZ21-110 JZ21-125 JZ21-160
Capacity kN 450 630 800 1100 1250 1600
Nominal Stroke mm 4 4 5 6 6 6
Slide Stroke mm 100 120 140 160 160 160
SPM Fixed min-1 80 70 60 50 50 40
Variable 70-90 60-80 50-70 40-60 40-60 35-50
Max. Die Height mm 270 300 320 350 350 350
Die Height Adjustment mm 60 80 80 80 80 110
Between Slide Center & Frame mm 230 300 300 350 350 380
Bolster (FB×LR) mm 440×810 580×900 580×1000 680×1150 680×1150 740×1300
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm φ180×30
×φ160
φ200×40
×φ180
φ200×40
×φ180
φ260×50
×φ220
φ260×50
×φ220
φ300×50
×φ260
Bolster Thickness mm 110 110 120 140 140 150
Bolster Opening (Dia./FB×LR) mm 300×300 390×460 390×520 420×540 420×540 480×600
Slide Area (FB×LR) mm 340×410 400×480 420×560 500×650 540×680 580×770
Shank Hole (Dia.×Dpth) mm φ40×60 φ50×80 φ50×80 φ60×80 φ60×80 φ65×85
Between Columns mm 550 560 640 760 760 850
Main Motor Power kW 5.5 7.5 7.5 11 11 15
Outline Size (FB×LR×H) mm 1390×1200
×2400
1580×1210
×2520
1640×1280
×2780
2130×1450
×3150
2130×1490
×3150
2530×1630
×3280
Net Weight kg 3450 5400 7000 9840 10400 14920
Model JZ21-200 JZ21-200B JZ21-250 JZ21-250B JZ21-315 JZ21-400
Capacity kN 2000 2000 2500 2500 3150 4000
Nominal Stroke mm 6 6 8 8 8 10
Slide Stroke mm 180 200 200 250 200 200
SPM Fixed min-1 35 35 30 30 30 25
Variable 30-40 30-40 25-35 25-35 25-35 20-30
Max. Die Height mm 390 450 430 500 430 430
Die Height Adjustment mm 110 110 120 120 120 120
Between Slide Center & Frame mm 390 390 420 420 420 420
Bolster (FB×LR) mm 760×1400 760×1400 800×1400 800×1400 800×1400 800×1400
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm φ300×50
×φ260
φ300×50
×φ260
φ320×50
×φ280
φ320×50
×φ280
φ320×50
×φ280
φ320×50
×φ280
Bolster Thickness mm 160 160 170 170 170 180
Bolster Opening (Dia./FB×LR) mm φ470 φ470 370×570 370×570 440×580 440×580
Slide Area (FB×LR) mm 600×800 600×800 650×850 650×850 650×850 690×900
Shank Hole (Dia.×Dpth) mm φ65×90 φ65×90 φ70×90 φ70×90 φ70×90 φ70×90
Between Columns mm 870 870 960 960 920 960
Main Motor Power kW 18.5 18.5 22 22 30 37
Outline Size (FB×LR×H) mm 2500×1580
×3320
2500×1580
×3420
2730×1640
×3550
2730×1640
×4060
2770×1650
×3550
2830×1680
×3890
Net Weight kg 17000 17350 23500 24500 25000 29500