J21 Series C-frame Fixed Bolster Press
Features: J21-80, J21-125, JB21-160 adopt rotating key clutch, which is easy to operate and convenient to maintain with stable action and low noise. J21Z-125 and JD21-160 adopt dry friction clutch, which can stop the slider at any place immediately, and can also achieve the inch, single and continuous…
Description
Features：
- J21-80, J21-125, JB21-160 adopt rotating key clutch, which is easy to operate and convenient to maintain with stable action and low noise.
- J21Z-125 and JD21-160 both adopt dry friction clutch, which can stop the slider at any place immediately, and can also achieve the inch, single and continuous punching operation. This is convenient to adjust the die position at any time, thus improve the machining precision. The whole machine adopts imported PLC centralized control system and equipped with safety dual valve and balance cylinder, which makes it work smoothly and reliably. It can also be equipped with photoelectric protection device, it is a safety type press machine.
Main Technical Specifications：
| Parameter | Unit | J21-80 | J21-125 | J21Z-125 | JB21-160 | JD21-160 | |
| Nominal Capacity | KN | 800 | 1250 | 1250 | 1600 | 1600 | |
| Nominal Stroke | mm | 7 | 8 | 8 | 8 | 8 | |
| Slide Stroke | mm | 120 | 150 | 150 | 160 | 160 | |
| Slide Stroke Per Minute | T/M | 40 | 35 | 35 | 28 | 35 | |
| Maximum Die Set Height | mm | 330 | 370 | 370 | 400 | 400 | |
| Die Height Adjustment | mm | 80 | 100 | 100 | 110 | 110 | |
| Throat Depth | mm | 330 | 390 | 390 | 390 | 390 | |
| Distance Between Uprights | mm | 420 | 550 | 550 | 725 | 725 | |
| Slide Bottom Size | L x R | mm | 400 | 540 | 540 | 580 | 580 |
| F x B | mm | 360 | 480 | 480 | 520 | 520 | |
| Shank Hole Size | Dia | mm | 50 | 60 | 60 | 70 | 70 |
| Depth | mm | 70 | 75 | 75 | 80 | 80 | |
| Bolster Size | L x R | mm | 920 | 1090 | 1090 | 1140 | 1140 |
| F x B | mm | 610 | 720 | 720 | 740 | 740 | |
| Diameter of Blanking Hole | mm | 180 | 240 | 240 | 160 | 160 | |
| Bolster Thickness | mm | 90 | 130 | 130 | 150 | 150 | |
| Bolster Surface Height | mm | 900 | 900 | 900 | 900 | 900 | |
| Overall Size | F x B | mm | 1960 | 2550 | 2100 | 2340 | 2340 |
| L x R | mm | 1630 | 1790 | 1890 | 2075 | 2100 | |
| H | mm | 2900 | 3750 | 3625 | 3930 | 3930 | |
| Distance Between Foundation Bolts | F x B | mm | 1125 | 1415 | 1415 | 1550 | 1550 |
| L x R | mm | 880 | 1290 | 1290 | 1155 | 1155 | |
| Motor Power | Kw | 7.5 | 11 | 11 | 15 | 15 | |
| Weight (Approximate) | Kg | 5800 | 11500 | 11900 | 14000 | 14000 | |
