45ton Gap Frame Variable Stroke Punching Press
Product Description
Main features of 45ton variable stroke press
-45ton punching capacity
-dry type pneumatic clutch
-automatic grease lubrication
-7 shifts stroke lengths adjustable, suitable for different type tools
-standard equip with safety light barriers and frequency inverter
Power press stroke length adjusting mechanismThe mechanism is installed in front of the crankshaft, adjustable by manual. Motorized adjustment is optional. There is a hole for operator to check the right stroke length position. A knob for adjusting the stroke length is located on the press console. When adjusting, the pneumatic cylinder will drive the adjusting shaft out. Use a spanner to adjust the shaft to the wanted position. Turn back the stroke adjusting knob and the shaft will return back to original position. |
Technical parameters of variable stroke press
| JH21-25L | JH21-45L | ||||
| Capacity | kN | 250 | 450 | ||
| Nominal Stroke | mm | 3 | 4 | ||
| Slide Stroke | mm | 10-110 | 20-120 | ||
| SPM | Fixed | min-1 | 100 | 80 | |
| Variable | min-1 | 80-120 | 70-90 | ||
| Max. Die Height | mm | 250 | 270 | ||
| Die Height Adjustment | mm | 50 | 60 | ||
| Throat Depth | mm | 210 | 230 | ||
| Between Columns | mm | 450 | 550 | ||
| Bolster | LR | mm | 700 | 810 | |
| FB | mm | 400 | 440 | ||
| Thk | mm | 80 | 110 | ||
| Bolster Opening | mm | φ170×20 | φ180×30 | ||
| (Up Hole Dia.×Dpth×Low Hole Dia.) | ×φ150 | ×φ160 | |||
| Slide Area | LR | mm | 360 | 600 | |
| FB | mm | 300 | 360 | ||
| Shank Hole | Dia. | mm | φ40 | φ40 | |
| Dpth | mm | 60 | 60 | ||
| Main Motor Power | kW | 4 | 5.5 | ||
| Dimensions | FB | mm | 1500 | 1610 | |
| LR | mm | 950 | 1170 | ||
| H | mm | 2650 | 2850 | ||
| Net Weight | kg | 3100 | 4350 | ||