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JH21 series Open front and fixed bed press with dry clutch and hydraulic overload protector
JH21 series Open front and fixed bed press with dry clutch and hydraulic overload protector

JH21 series Open front and fixed bed press with dry clutch and hydraulic overload protector

Main features:

1.     Welded body with steel plate and high intensity.

2.     Main motor is made by Siemens.

3.     Adopts combined pneumatic friction clutch and brake.

4.     Cluster gear adopts the flooding oil lubrication.

5.     Six-face rectangle lengthen guide; JH21-315B/400B adoptseight-face lengthen guideway.

6.     Equipped with hydraulic overload protecting device.

7.     JH21-25/25B/45 adopts manual shut height adjustment,amongthese types JH21-25/45 adopts scale display and JH21-25B with digitaldisplay.JH21-63 and above type adopts electric shut height adjustment withdigital display.

8.     JH21-45 can equip with die set height adjustment motor, thevalue will be displayed by digital.

9.     JH21-25B, JH21-45 and above type equipped with balancecylinder.

10.  Duplex valves imported.

11.  Electric compelling grease lubrication system.

12.  Balancing cylinder adopts manual lubrication system.

13.  One set of blowing device.

14.  Controlled by PLC with international brand.

15.  Buttons, indicators, AC contactors, air circuit breakers andother controlling devices are imported from international brand.

16.  Equipped with optional air cushion device, automatic feedshaft and photoelectric protector,which can used to work with various automaticequipments.
Specifications Recommend accessories Compared products Operation Manual   　　Inquiry  

Description Unit JH21-25B JH21-25 JH21--45 JH21-63 JH21-80
Capacity kN 250 250 450 630 800
Nominal Stroke mm 3 3 4 4 5
Slide Stroke mm 60 80 100 120 140
SPM Fixed min-1 100 100 80 70 60
Variable 80-120 80-120 70-90 60-80 50-70
Max. Die Height mm 200 250 270 300 320
Die Height Adjustment mm 50 50 60 80 80
Between Slide Center & Frame mm 160 210 230 300 300
Bolster (FB×LR) mm 300×680 400×700 440×810 580×900 580×1000
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm 130×260 φ170×20×φ150 φ180×30×φ160 φ200×40×φ180 φ200×40×φ180
Bolster Thickness mm 70 80 110 110 120
Bolster Opening (Dia./FB×LR) mm 200×270 260×250 300×300 390×460 390×520
Slide Area (FB×LR) mm 270×330 300×360 340×410 400×480 420×560
Shank Hole (Dia.×Dpth) mm φ40×60 φ40×60 φ40×60 φ50×80 φ50×80
Between Columns mm 448 450 550 560 640
Main Motor Power kW 3 3 5.5 5.5 7.5
Outline Size (FB×LR×H) mm 1150×1050×2050 1300×1050×2050 1390×1200×2400 1580×1210×2520 1640×1280×2700
Net Weight kg 2200 2600 3450 5400 7000

Description Unit JH21-110 JH21-125 JH21-160B JH21-200 JH21-200B
Capacity kN 1100 1250 1600 2000 2000
Nominal Stroke mm 6 6 6 6 6
Slide Stroke mm 160 160 160 180 200
SPM Fixed min-1 50 50 40 35 35
Variable 40-60 40-60 35-50 30-40 30-40
Max. Die Height mm 350 350 350 390 450
Die Height Adjustment mm 80 80 110 110 110
Between Slide Center & Frame mm 350 350 380 390 390
Bolster (FB×LR) mm 680×1150 680×1150 740×1300 760×1400 760×1400
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm φ260×50×φ220 φ260×50×φ220 φ300×50×φ260 φ300×50×φ260 φ300×50×φ260
Bolster Thickness mm 140 140 150 160 160
Bolster Opening (Dia./FB×LR) mm 420×540 420×540 φ470 φ470 φ470
Slide Area (FB×LR) mm 500×650 540×680 580×770 600×800 600×800
Shank Hole (Dia.×Dpth) mm φ60×80 φ60×80 φ65×85 φ65×90 φ65×90
Between Columns mm 760 760 850 870 870
Main Motor Power kW 11 11 15 18.5 18.5
Outline Size (FB×LR×H) mm 1850×1450×3060 1850×1490×3060 2280×1550×3240 2500×1580×3320 2500×1580×3420
Net Weight kg 9340 9900 14500 17000 17350

Description Unit JH21-250 JH21-250B JH21-315 JH21-315B JH21-400 JH21-400B
Capacity kN 2500 2500 3150 3150 4000 4000
Nominal Stroke mm 8 8 8 8 10 10
Slide Stroke mm 200 250 200 250 200 250
SPM Fixed min-1 30 30 30 30 25 25
Variable 25-35 25-35 25-35 25-35 20-30 20-30
Max. Die Height mm 430 500 430 550 430 550
Die Height Adjustment mm 120 120 120 120 120 120
Between Slide Center & Frame mm 420 420 420 460 420 490
Bolster (FB×LR) mm 800×1400 800×1400 800×1400 880×1600 760×1400 940×1800
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm φ320×50×φ280 φ320×50×φ280 φ320×50×φ280 φ320×50×φ280 φ320×50×φ280 φ320×50×φ280
Bolster Thickness mm 170 170 170 200 180 200
Bolster Opening (Dia./FB×LR) mm 370×570 370×570 440×580 440×580 440×580 440×580
Slide Area (FB×LR) mm 650×850 650×850 650×850 700×950 690×900 720×1000
Shank Hole (Dia.×Dpth) mm φ70×90 φ70×90 φ70×90 φ70×90 φ70×90 φ70×90
Between Columns mm 960 960 920 920 960 960
Main Motor Power kW 22 22 30 30 37 37
Outline Size (FB×LR×H) mm 2730×1640×3550 2770×1700×4060 2770×1650×3550 2850×1700×4450 2830×1680×3890 3100×1900×4600
Net Weight kg 23500 24500 25000 28000 29500 34000


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