C-Frame Press Manufacturer & Factory
C-Frame Fixed Bolster Press
J21
SINGLE POINT, FROM 80-160 TONS
Press Information & Overview
High Quality, Industry Leading Mechanical
C-Frame Presses
- Good rigidity, stable accuracy
- Convenient maintenance and low noise
- Stable and reliable rigid rotating key positive clutch
- J21-100 and above adopt pneumatic dual balance cylinder, stable and safe
Rotating key positive clutch
Simple structure and is convenient to operate and maintain, achieving smooth operation, low impact and low noise.
Pneumatic dual balance cylinder
J21-100 and above adopt the structure of pneumatic dual balance cylinder, small fluctuation of the balance force, avoid the clash and noise of converse force of gears in transmission,and avoid accidents.
Gear
High strength welded gears(surface grinding treatment)Taper fit of the gear to the crankshaft provides true concentricity between crankshaft and gear. Integrated hardened pinion minimizes required gear diameters and related drivetraininertia
J21 C-Frame Press Specification
| Specifications | Unit | J21-80 | J21-100 | J21-125 | JB21-160 | |
| Nominal force | KN | 800 | 1000 | 1250 | 1600 | |
| Nominal Stroke | mm | 7 | 7 | 8 | 8 | |
| Slide Stroke | mm | 120 | 140 | 150 | 160 | |
| Slide Strokes Per Minute | min-1 | 40 | 38 | 35 | 32 | |
| Maximum Die Set Height | mm | 330 | 360 | 370 | 400 | |
| Die Height Adjustment | mm | 80 | 100 | 100 | 110 | |
| Between slide center and frame | mm | 330 | 380 | 390 | 390 | |
| Columns Distance | mm | 570 | 720 | 700 | 725 | |
| Bottom size of slide | L×R | mm | 400 | 540 | 540 | 580 |
| F×B | mm | 360 | 480 | 480 | 520 | |
| Shank Hole Size | Dia | mm | 50 | 60 | 60 | 70 |
| Depth | mm | 70 | 75 | 75 | 80 | |
| Bolster size | L×R | mm | 920 | 1080 | 1090 | 1140 |
| F×B | mm | 610 | 710 | 720 | 740 | |
| Blanking Hole Diameter | mm | 180 | 220 | 240 | 240 | |
| Bolster Thickness | mm | 90 | 120 | 130 | 150 | |
| Bolster surface height | mm | 900 | 900 | 900 | 900 | |
| Overall Dimensions | F×B | mm | 1960 | 2404 | 2550 | 2340 |
| L×R | mm | 1630 | 1790 | 1790 | 2075 | |
| H | mm | 2900 | 3625 | 3750 | 3930 | |
| Distance Between Foundation Bolts | F×B | mm | 1125 | 1315 | 1480 | 1550 |
| L×R | mm | 880 | 1060 | 1060 | 1155 | |
| Motor power | KW | 7.5 | 11 | 11 | 15 | |
Cases
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