A single table laser

JH21 Series High Speed Pneumatic Punching Machine

  • High Speed
  • Extremely Stable
  • High processing accuracy

The JH21 series C press is with dry clutch and hydraulic overloading with a steel welded body and good rigidity. This C frame power press has six guide rail slides, which have a long and high precision to prolong its life span. The press is controlled by PLC electric centralized system, which includes emergency stop, inch, single, continuous operation specification with a drive output shaft, automatic feeding, and air cushion device. It is equipped with a combined dry pneumatic friction clutch, so the engagement is smooth, the action is agile and the noise is low. And this crank press is of convenient maintenance. The vertical structure of the crank-shaft is compact and beautiful.

Punching Pressure: 25t – 400t

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JH21 Series Pneumatic Open Back Press Machine Features
  • Welded body with steel plate and high intensity.
  • The 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 an eight-face lengthen guideway.
  • Equipped with hydraulic overload protecting device.
  • JF21-25/25B/45 adopts manual shut height adjustment, among these types JF21-25/45 adopts scale display and JF21-25B with digital display.
  • JF21-63 and above type adopts electric shut height adjustment with digital display.
  • JH21-45 can equip with a die set height adjustment motor, the value will be displayed by digital.
  • JF21-25B, JF21-45 and above type equipped with lifting balance cylinder.
  • Duplex valves imported.
  • Electric compelling grease lubrication system.
  • The balancing cylinder adopts a manual lubrication system.
  • One set of blowing devices.
  • Controlled by PLC with international brand.
  • Buttons, indicators, AC contactors, air circuit breakers and other controlling devices are imported from an international brand.
  • Equipped with optional air cushion device, automatic feed shaft and photoelectric protector, which can be used to work with various automatic equipment.
JH21 Series Pneumatic Open Back Press Machine Technical Specification
Model JH21-25B JH21-25 JH21–45 JH21-63 JH21-80 JH21-110
Capacity kN 250 250 450 630 800 1100
Nominal Stroke mm 3 3 4 4 5 6
Slide Stroke mm 60 80 100 120 140 160
SPM Fixed min-1 100 100 80 70 60 50
Variable 80-120 80-120 70-90 60-80 50-70 40-60
Max. Die Height mm 200 250 270 300 320 350
Die Height Adjustment mm 50 50 60 80 80 80
Between Slide Center & Frame mm 160 210 230 300 300 350
Bolster (FB×LR) mm 300×680 400×700 440×810 580×900 580×1000 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
Bolster Thickness mm 70 80 110 110 120 140
Bolster Opening (Dia./FB×LR) mm 200×270 260×250 300×300 390×460 390×520 420×540
Slide Area (FB×LR) mm 270×330 300×360 340×410 400×480 420×560 500×650
Shank Hole (Dia.×Dpth) mm φ40×60 φ40×60 φ40×60 φ50×80 φ50×80 φ60×80
Between Columns mm 448 450 550 560 640 760
Main Motor Power kW 3 3 5.5 5.5 7.5 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
Net Weight kg 2200 2600 3450 5400 7000 9340
Model JH21-125 JH21-160B JH21-200 JH21-200B JH21-250
Capacity kN 1250 1600 2000 2000 2500
Nominal Stroke mm 6 6 6 6 8
Slide Stroke mm 160 160 180 200 200
SPM Fixed min-1 50 40 35 35 30
Variable 40-60 35-50 30-40 30-40 25-35
Max. Die Height mm 350 350 390 450 430
Die Height Adjustment mm 80 110 110 110 120
Between Slide Center & Frame mm 350 380 390 390 420
Bolster (FB×LR) mm 680×1150 740×1300 760×1400 760×1400 800×1400
Bolster Opening (Up Hole Dia.×Dpth×Low Hole Dia.) mm φ260×50×φ220 φ300×50×φ260 φ300×50×φ260 φ300×50×φ260 φ320×50×φ280
Bolster Thickness mm 140 150 160 160 170
Bolster Opening (Dia./FB×LR) mm 420×540 φ470 φ470 φ470 370×570
Slide Area (FB×LR) mm 540×680 580×770 600×800 600×800 650×850
Shank Hole (Dia.×Dpth) mm φ60×80 φ65×85 φ65×90 φ65×90 φ70×90
Between Columns mm 760 850 870 870 960
Main Motor Power kW 11 15 18.5 18.5 22
Outline Size (FB×LR×H) mm 1850×1490×3060 2280×1550×3240 2500×1580×3320 2500×1580×3420 2730×1640×3550
Net Weight kg 9900 14500 17000 17350 23500
Model JH21-250B JH21-315 JH21-315B JH21-400 JH21-400B
Capacity kN 2500 3150 3150 4000 4000
Nominal Stroke mm 8 8 8 10 10
Slide Stroke mm 250 200 250 200 250
SPM Fixed min-1 30 30 30 25 25
Variable 25-35 25-35 25-35 20-30 20-30
Max. Die Height mm 500 430 550 430 550
Die Height Adjustment mm 120 120 120 120 120
Between Slide Center & Frame mm 420 420 460 420 490
Bolster (FB×LR) mm 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
Bolster Thickness mm 170 170 200 180 200
Bolster Opening (Dia./FB×LR) mm 370×570 440×580 440×580 440×580 440×580
Slide Area (FB×LR) mm 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
Between Columns mm 960 920 920 960 960
Main Motor Power kW 22 30 30 37 37
Outline Size (FB×LR×H) mm 2770×1700×4060 2770×1650×3550 2850×1700×4450 2830×1680×3890 3100×1900×4600
Net Weight kg 24500 25000 28000 29500 34000
Main Components of J23 Power Press Machine
Crankshaft
Ram and punch head
Gear
Fly Wheel
Copper Sleeve
working table
Working key
Brake Belt
Press Footpedal
Electric Box
Motor
Die Height Ruler
Control button
Connecting rod
Power press lamp
Application Industries

Stamping production is mainly for sheet metal. Through the mold, can make drop, punch, molding, deep, dressing, finishing, shaping, riveting and extrusion parts, etc. , widely used in various fields. Such as our switch sockets, cups, cupboards, dishes, computer chassis, and even missile aircraft… There are a lot of accessories that can be produced by mold using punches.

Quality Control

InRyant CNC Tech meets the demands of customers for high-quality products with a strict quality control system.
Our factory has advanced test equipment and a team of excellent mechanical engineers.
We also ensure the stability and traceability of the spare parts, so as to get excellent products with superior quality.
Through strict quality management, the factory controls potential quality risk from the beginning to the finishing of machines.

Packaging and shipment

1.Anti-collision package edge: All parts of the machine are covered with some soft materials, mainly the use of pearl wool
2.Fumigation wooden box: Our wooden box is fumigated, do not need to check the wood, saving the transport time.
3.Whole film packaging the machine: Avoid all damage that may occur during the delivery. Then we will cover the machine with plastic film tightly to avoid water and rust. The outermost is a wooden box with a fixed template.

FAQ

Q: There are so many machine types, which one should I choose?

A: Please communicate with us via inquiry or email, we can guide you.

Q: This is my first time buying your machine; I have no ideas about your machine’s quality?

A: Each machine is strictly produced based on standard certifications. We are confident to tell customers that there is no need to worry about our quality. Welcome you visit our factory anytime

Q: When I got this machine, but I don’t know how to use it. What should I do?

A: There are video and English manuals with the machine. If you still have any doubts, we can talk by telephone. we supply 24 hours online service.

Q: If some problems happen to this machine during the warranty period, what should I do?

A: We will supply free parts during the machine warranty period if the machine has some problems. While we also supply free life long after-sales service.

Q: Machine delivery time?

A: Within 20-30 working days after get your payment.

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