JH21 25 Ton C-Type Power Press/ Punching Machines/Mechanical Press
Equipment
Features:
1. Steel welded body, tempering treatment or VSR(Vibratory Stress
Relief), high rigidity, accuracy and stability;
2. Pneumatic dual balance cylinders, which balance the slide and
punch weight to reduce noise and impact;
3. The crankshaft undergoes gringding treatment after high
frequency quenching;
4. Lengthened six-face rectangle guide with a surface of bronze
plate;
5. Vertical located crankshaft, compact structure;
6. PLC control and imported safety duplex valve;
7. Wet type combined multi discs friction clutch and
brake;Hydraulic overload protecting pump.
Details:
1. The JH21 C-frame single crank press is suitable to process the
lightweight and thin materials through blanking,piercing, bending,
forming, interlink with ROT line or transfer unit. Suitable for
single and progressive die application, and it owns the capacity
ranging from 25 ton to 400 ton.
2. The press use high torque and low noise wet clutch and brake.
3. The steel welded body ensures rigid frame with less deflection.
4. High accuracy transmission gears and high rigidity crank ensure
press long life and accuracy.
5. Forced lubrication system with default monitor ensures the
operation reliability.
6. User-friendly design and all-function electric control system
enable the accessories to attach easily
Standard equipments:
Wet clutch(World)
Hydraulic overload protecting pump
Auto lubrication system
Manual lubrication system
Balance cylinders for slide and upper die
Joint for miss-feeding
Touch screen
Electronic crankshaft angle indicator(JH21-25-80 with pointer)
Cam controller
Die height adjusted motor(JH21-60~400)
PLC:Programmable logical controller
Air source quick connector
Shock Absorption Pads
Working lamp
Air blowing
Second degree drop
Preset counter (Touch screen display)
Optional equipments:
Dry clutch
Air cushion apparatus
Light curtain protection
Die quick change device
Foot pedal
Output shaft
Speed motor, frequency control
Top stripping device for slider
Optional equipments:
Dry clutch
Air cushion apparatus
Light curtain Protection
Die quick change device
Foot pedal
Output shaft
Speed motor, frequency control
Top stripping device for slider
Specifications:
| ITEM | CODE | UNIT | JH21-25 | JH21-45 | JH21-60 | JH21-80 | JH21-100 |
| Nominal Capacity | Pe | KN | 250 | 450 | 600 | 800 | 1000 |
| Slide Stroke Length | S | mm | 80 | 120 | 140 | 160 | 160 |
| Slide Strokes | Fixed | | spm | 100 | 80 | 70 | 60 | 55 |
| Variable(optional) | | spm | 60-120 | 50-95 | 45-85 | 40-75 | 35-65 |
| Max. Die Shut Height | H2 | mm | 250 | 270 | 300 | 320 | 335 |
| Die Shut Height Adjustment | t | mm | 50 | 60 | 70 | 80 | 90 |
| Throat Depth | C1 | mm | 210 | 225 | 270 | 310 | 330 |
| Distance Between Uprights | d1 | mm | 450 | 515 | 560 | 610 | 670 |
| Slide Bottom Size | FB | b | mm | 360 | 400 | 480 | 540 | 620 |
| LR | a | mm | 250 | 340 | 400 | 460 | 520 |
| Shank Hole Size | Diameter | d | mm | 40 | 50 | 50 | 50 | 70 |
| Depth | I | mm | 50 | 70 | 70 | 70 | 80 |
| Table Size | FB | D | mm | 720 | 825 | 930 | 600 | 640 |
| LR | C | mm | 400 | 440 | 520 | 950 | 1060 |
| Thickness | H3 | mm | 80 | 110 | 130 | 140 | 180 |
| Table Hole Diameter | ¢ | mm | 150 | 150 | 150 | 180 | 180 |
| Overall Dimensions | FB | A | mm | 1500 | 1585 | 1540 | 1765 | 2000 |
| LR | B | mm | 945 | 1075 | 1200 | 1200 | 1300 |
| Height | H | mm | 2120 | 2390 | 2570 | 2725 | 3010 |
| Motor Power | | KW | 3 | 5.5 | 5.5 | 7.5 | 7.5 |
