Main features
♦The machine features fine steel plates welded machine body, tempering treatment (or vibration relief), shot blasting, rigidness, accuracy and stability.
♦Vertical located crank shaft, compact structure; the crank shaft undergoes grinding treatment after high frequency quenching, which has a good smooth finish and rotates flexibly; lengthened rectangle hex guideway with a surface of bronze plate, which has high guide accuracy.
♦Pneumatic dual balance cylinder, balanced sliding block and punch weight, which reduce impact and noise, eliminate the clearance between connecting rod and sliding block, reduce the impactand wear of the stress parts.
♦The whole machine adopt PLC centralized control. The gas circuits adopt imported safety dualvavle, which can achieve jog, inch, single and continuous punching.
♦The key parts such as sliding block, guideways, worktable plate, connecting rod, and are all castings made of resin sand, which improved the surface roughness 1-2 level, and improve the size accuracy 2-3 level.
♦The 60T-level machines adopt the electrical control device to adjust the die height. Fine configuration, the key parts like pneumatic components,electrical components, sealing parts, buttons and etc all adopt imported parts.
♦The punch press uses a single type brake. The sliding block is equipped with a press-down type safety device that canbe pressed down to protect the entire machine.
Parameter
| Technical Parameters | JH21-25 | JH21-45 | JH21-60 | JH21-80 | JH21-125 | JH21-160 | JH21-200 | JH21-250 | JH21-315 |
| JF21-25 | JF21-45 | JF21-60 | JF21-80 | JF21- 125 | JF21-160 | JF21-200 |
| Nominal force | 250KN | 450KN | 600KN | 800KN | 1250KN | 1600KN | 2000KN | 2500KN | 3150KN |
| Stroke of nominal force | 3mm | 4mm | 4mm | 5mm | 5mm | 6mm | 6mm | 6mm | 7mm |
| Stroke of sliding block | 80mm | 120mm | 140mm | 160mm | 180mm | 200mm | 180mm | 250mm | 250mm |
| Number of strokes | 100mm | 80mm | 70mm | 60mm | 50mm | 45mm | 35mm | 40mm | 30mm |
| Maximun height for die loading | 250mm | 270mm | 300mm | 320mm | 350mm | 400mm | 390mm | 500mm | 500mm |
| Adjustment range for die loading height | 50mm | 60mm | 70mm | 80mm | 90mm | 100mm | 110mm | 120mm | 120mm |
| Distance from slide block centre to the frame | 210mm | 225mm | 270mm | 310mm | 350mm | 390mm | 390mm | 450mm | 450mm |
| Space between columns | 450mm | 500mm | 560mm | 620mm | 660mm | 720mm | 870mm | 980mm | 980mm |
| Bottom size of sliding bolck : | | | | | | | | | |
| Left-right | 360mm | 410mm | 480mm | 540mm | 620mm | 700mm | 800mm | 950mm | 950mm |
| Front-back | 250mm | 340mm | 400mm | 460mm | 520mm | 580mm | 600mm | 700mm | 700mm |
| Hole size for die handle | | | | | | | | | |
| Diamter | 40mm | 50mm | 50mm | | | | | | |
Product details
| ►Wet Friction Clutch---Brake |
| HARSLE(China) |
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| ►Pressure Switch |
| ARK(South Korean) |
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| ►Inverter(Optional) |
| SINEE(China) |
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| ►Double switch |
| IDEC(Japan) |
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| ►Overload protector |
| SHOWA(Japan) |
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| ►Digital Controller |
| KINCO(China) |
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| ►Electrical Components |
| Schneider(France) |
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| ►Main motor |
| SIEMENS(Germany) |
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| ►Pressure Deducing Valve |
| DPC(Taiwan) |
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Company Information
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HARSLE is a leading and professional metalworking machine manufacturer in China, which was established in 1997 and located in the cultural ancient city of Nanjing, Jiangsu Province. After 20 years development, it has been a famous and influential modern enterprise which owns three subsidiary corporations; they are Nanjing Harsle Machine Tool Co., Ltd., Nanjing HASS CNC Machine Tool Co., Ltd., and HARSLE INDUSTRIAL LIMITED. Its sales revenue has been increased by over 100% yearly in recently years.
HARSLE endeavors to provide high quality machine and satisfied after-sales service, our machine products including: NC & CNC Press brake, swing beam shearing machine, guillotine shearing machine, mechanical & pneumatic punching machine, hydraulic press machine, rolling machine, iron worker, laser cutting machine and steel door production line etc. They have been sold to over 100 countries and 10,000 customers all over the world in different fields. Company Information 
Packing&Shipping 
Our machines are covered by plastic film and fixed by steel wire inside wich will be protected well during shipping. Our Services - Warranty period is 12 months after receiving the machine, any quick-wear part is available for free during guarantee period under proper operation, customers only need to pay for the freight of the replaced new parts.
- Installation and training service is optional for customers, any client can ask for this service from HASS, they should assume the air fare and accommodation for our engineer during the journey. meanwhile, the service salary for each engineer is USD 100 per day.
- All mails will be replied within 12 hours, all social software message will be handle in real time.
- Any question or concern, please do not hesitate to connect us, below is the contacts information.
FAQ 
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Hydraulic punching machine for sale, JH21-315T punching machine sheet metal Images
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