China Open Back Power Press Machine / Punching Machine (JF21), Find details about China Power Press Machine, Punching Machine from Open Back Power Press Machine / Punching Machine (JF21)
Model | Unit | JF21-25B | JF21-25 | JF21--45 | JF21-63 | JF21-80 | |
Capacity | KN | 250 | 250 | 450 | 630 | 800 | |
Nominal stroke | mm | 3 | 3 | 4 | 4 | 5 | |
Slide stroke | mm | 60 | 80 | 100 | 120 | 140 | |
Number of stroke | Fixed | min-1 | 100 | 100 | 80 | 70 | 60 |
Variable | 80-120 | 80-120 | 70-90 | 60-80 | 50-70 | ||
Max. die height | mm | 200 | 250 | 270 | 300 | 320 | |
Die height adjustment | mm | 50 | 50 | 60 | 80 | 80 | |
Between slide center & frame | mm | 160 | 210 | 230 | 300 | 300 | |
Bolster (FB×LR) | mm | 300×680 | 400×700 | 440×810 | 580×900 | 580×1000 | |
Bolster opening (Up hole dia.×depth×low hole dia.) | mm | 130×260 | φ170×20×φ150 | φ180×30×φ160 | φ200×40×φ180 | φ200×40×φ180 | |
Bolster thickness | mm | 70 | 80 | 110 | 110 | 120 | |
Bolster opening (Dia./ FB×LR) | mm | 200x270 | 260x250 | 300x300 | 390x460 | 390x520 | |
Slide area (FB×LR) | mm | 270x330 | 250x360 | 340x410 | 400x480 | 420x560 | |
Shank hole (Dia.×Depth) | mm | φ40x60 | φ40x60 | φ40x60 | φ50x80 | φ50x80 | |
Between columns | mm | 448 | 450 | 550 | 560 | 640 | |
Main motor power | kW | 3 | 3 | 5.5 | 5.5 | 7.5 | |
Outline size (FB×LR×H) | mm | 1150×1050×2050 | 1300×1050×2050 | 1390×1125×2315 | 1580×1210×2520 | 1640×1280×2700 | |
Net weight | kg | 2200 | 2600 | 3450 | 5400 | 7000 |