• Jh21-250 Mechanical Press Machiine (250 ton)
  • Jh21-250 Mechanical Press Machiine (250 ton)

Jh21-250 Mechanical Press Machiine (250 ton)

Type: General Punching Machine
Controlling Mode: Artificial
Automatic Grade: Automatic
Power Source: Mechanical Drive
Precision: High Precision
Customization:

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Basic Info.

Model NO.
JH21-250

Product Description

JH21series open back press with dry clutch and hydraulic overload protector
   
Descriptions
--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.

Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)


Main Specification
  JH21-25B JH21-25 JH21--45 JH21-63 JH21-80 JH21-110 JH21-125
Capacity kN 250 250 450 630 800 1100 1250
Nominal Stroke mm 3 3 4 4 5 6 6
Slide Stroke mm 60 80 100 120 140 160 160
SPM Fixed min -1 100 100 80 70 60 50 50
Variable 80-120 80-120 70-90 60-80 50-70 40-60 40-60
Max. Die Height mm 200 250 270 300 320 350 350
Die Height Adjustment mm 50 50 60 80 80 80 80
Between Slide Center & Frame mm 160 210 230 300 300 350 350
Bolster (FB×LR) mm 300×680 400×700 440×810 580×900 580×1000 680×1150 680×1150
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm 130×260 φ170×20×φ150 φ180×30×φ160 φ200×40×φ180 φ200×40×φ180 φ260×50×φ220 φ260×50×φ220
Bolster Thickness mm 70 80 110 110 120 140 140
Bolster Opening (Dia./FB×LR) mm 200×270 260×250 300×300 390×460 390×520 420×540 420×540
Slide Area (FB×LR) mm 270×330 300×360 340×410 400×480 420×560 500×650 540×680
Shank Hole (Dia.×Dpth) mm φ40×60 φ40×60 φ40×60 φ50×80 φ50×80 φ60×80 φ60×80
Between Columns mm 448 450 550 560 640 760 760
Main Motor Power kW 3 3 5.5 5.5 7.5 11 11
Outline Size (FB×LR×H) mm 1150×1050×2050 1300×1050×2050 1390×1200×2400 1580×1210×2520 1640×1280×2700 1850×1450×3060 1850×1490×3060
Net Weight kg 2200 2600 3450 5400 7000 9340 9900
 
  JH21-160B JH21-200 JH21-200B JH21-250 JH21-250B JH21-315 JH21-315B
Capacity kN 1600 2000 2000 2500 2500 3150 3150
Nominal Stroke mm 6 6 6 8 8 8 8
Slide Stroke mm 160 180 200 200 250 200 250
SPM Fixed min -1 40 35 35 30 30 30 30
Variable 35-50 30-40 30-40 25-35 25-35 25-35 25-35
Max. Die Height mm 350 390 450 430 500 430 550
Die Height Adjustment mm 110 110 110 120 120 120 120
Between Slide Center & Frame mm 380 390 390 420 420 420 460
Bolster (FB×LR) mm 740×1300 760×1400 760×1400 800×1400 800×1400 800×1400 880×1600
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm φ300×50×φ260 φ300×50×φ260 φ300×50×φ260 φ320×50×φ280 φ320×50×φ280 φ320×50×φ280 φ320×50×φ280
Bolster Thickness mm 150 160 160 170 170 170 200
Bolster Opening (Dia./FB×LR) mm φ470 φ470 φ470 370×570 370×570 440×580 440×580
Slide Area (FB×LR) mm 580×770 600×800 600×800 650×850 650×850 650×850 700×950
Shank Hole (Dia.×Dpth) mm φ65×85 φ65×90 φ65×90 φ70×90 φ70×90 φ70×90 φ70×90
Between Columns mm 850 870 870 960 960 920 920
Main Motor Power kW 15 18.5 18.5 22 22 30 30
Outline Size (FB×LR×H) mm 2280×1550×3240 2500×1580×3320 2500×1580×3420 2730×1640×3550 2770×1700×4060 2770×1650×3550 2850×1700×4450
Net Weight kg 14500 17000 17350 23500 24500 25000 28000
 
  JH21-400 JH21-400B
Capacity kN 4000 4000
Nominal Stroke mm 10 10
Slide Stroke mm 200 250
SPM Fixed min -1 25 25
Variable 20-30 20-30
Max. Die Height mm 430 550
Die Height Adjustment mm 120 120
Between Slide Center & Frame mm 420 490
Bolster (FB×LR) mm 760×1400 940×1800
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm φ320×50×φ280 φ320×50×φ280
Bolster Thickness mm 180 200
Bolster Opening (Dia./FB×LR) mm 440×580 440×580
Slide Area (FB×LR) mm 690×900 720×1000
Shank Hole (Dia.×Dpth) mm φ70×90 φ70×90
Between Columns mm 960 960
Main Motor Power kW 37 37
Outline Size (FB×LR×H) mm 2830×1680×3890 3100×1900×4600
Net Weight kg 29500 34000

Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)
Jh21-250 Mechanical Press Machiine (250 ton)

Warranty and Service
-- One year warranty for whole press.
-- All spare parts are available as we produce most of the parts in our factory.
-- It is easy to get the electric parts as all are international famous brands.
-- We can provide technical support via email, phone or video.
-- We can send out engineers for service, installation or training with reasonable additional cost.
-- English operation and maintenance manual is provided with the press.
-- All safety warning tags and control panels are in English.


Jh21-250 Mechanical Press Machiine (250 ton)
 

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