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
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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