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Pneumatic Open Front Press With Fixed Bed



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Pneumatic Open Front Press With Fixed Bed JH21-110 Punching Machines
JH21series open back press with dry clutch and hydraulic overload protector
◆    Welded body with steel plate and high intensity.
◆    Main motor is made by Siemens.
◆    Adopts combined pneumatic friction clutch and brake.
◆    Cluster gear adopts the flooding oil lubrication.
◆    Six-face rectangle lengthen guide; JH21-315B/400B adopts eight-face lengthen guideway.
◆    Equipped with hydraulic overload protecting device.
◆    JH21-25/25B/45 adopts manual shut height adjustment,among these types JH21-25/45 adopts scale display and JH21-25B with digital display.JH21-63 and above type adopts electric shut height adjustment with digital display.
◆    JH21-45 can equip with die set height adjustment motor, the value will be displayed by digital.
◆    JH21-25B, JH21-45 and above type equipped with 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, automatic feed shaft and photoelectric protector,which can used to work with various automatic equipments.

  JH21-25B JH21-25 JH21--45 JH21-63 JH21-80 JH21-110 JH21-125 JH21-160B JH21-200 JH21-200B JH21-250 JH21-250B JH21-315 JH21-315B JH21-400
Capacity kN 250 250 450 630 800 1100 1250 1600 2000 2000 2500 2500 3150 3150 4000
Nominal Stroke mm 3 3 4 4 5 6 6 6 6 6 8 8 8 8 10
Slide Stroke mm 60 80 100 120 140 160 160 160 180 200 200 250 200 250 200
SPM Fixed min-1 100 100 80 70 60 50 50 40 35 35 30 30 30 30 25
Variable 80-120 80-120 70-90 60-80 50-70 40-60 40-60 35-50 30-40 30-40 25-35 25-35 25-35 25-35 20-30
Max. Die Height mm 200 250 270 300 320 350 350 350 390 450 430 500 430 550 430
Die Height Adjustment mm 50 50 60 80 80 80 80 110 110 110 120 120 120 120 120
Between Slide Center & Frame mm 160 210 230 300 300 350 350 380 390 390 420 420 420 460 420
Bolster (FB×LR) mm 300×680 400×700 440×810 580×900 580×1000 680×1150 680×1150 740×1300 760×1400 760×1400 800×1400 800×1400 800×1400 880×1600 760×1400
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm 130×260

φ170×2

0×φ150

φ180×30

×φ160

φ200×40

×φ180

φ200×40

×φ180

φ260×50

×φ220

φ260×50

×φ220

φ300×50

×φ260

φ300×50

×φ260

φ300×50

×φ260

φ320×50

×φ280

φ320×50

×φ280

φ320×50

×φ280

φ320×50

×φ280

φ320×50

×φ280

Bolster Thickness mm 70 80 110 110 120 140 140 150 160 160 170 170 170 200 180
Bolster Opening (Dia./FB×LR) mm 200×270 260×250 300×300 390×460 390×520 420×540 420×540 φ470 φ470 φ470 370×570 370×570 440×580 440×580 440×580
Slide Area (FB×LR) mm 270×330 300×360 340×410 400×480 420×560 500×650 540×680 580×770 600×800 600×800 650×850 650×850 650×850 700×950 690×900
Between Columns mm 448 450 550 560 640 760 760 850 870 870 960 960 920 920 960
Main Motor Power kW 3 3 5.5 5.5 7.5 11 11 15 18.5 18.5 22 22 30 30 37
Outline Size (FB×LR×H) mm

1150×105

0×2050

1300×105

0×2050

1390×1200

×2400

1580×1210

×2520

1640×1280

×2700

1850×1450

×3060

1850×1490

×3060

2280×1550

×3240

2500×1580

×3320

2500×1580

×3420

2730×1640

×3550

2770×1700

×4060

2770×1650

×3550

2850×1700

×4450

2830×1680

×3890

Net Weight kg 2200 2600 3450 5400 7000 9340 9900 14500 17000 17350 23500 24500 25000 28000 29500



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