C Frame Eccentric Variable Stroke Press Machine
Product Description
Main features of variable stroke press machines
-7 or 9 shifts stroke lengths adjustable, suitable for different type tools
-standard equip with safety light barriers and frequency inverter
-c frame steel welded structure
-ce approved
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 machine
| JH21-25L | JH21-45L | JH21-63L | JH21-80L | JH21-110L | JH21-125L | JH21-160L | JH21-200L | JH21-250L | ||||
| Capacity | kN | 250 | 450 | 630 | 800 | 1100 | 1250 | 1600 | 2000 | 2500 | ||
| Nominal Stroke | mm | 3 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 8 | ||
| Slide Stroke | mm | 10-110 | 20-120 | 10-150 | 10-150 | 10-160 | 10-160 | 16-160 | 18-180 | 21-220 | ||
| SPM | Fixed | min-1 | 100 | 80 | 70 | 60 | 50 | 50 | 40 | 35 | 30 | |
| Variable | min-1 | 80-120 | 70-90 | 60-80 | 50-70 | 40-60 | 40-60 | 35-50 | 30-40 | 25-35 | ||
| Max. Die Height | mm | 250 | 270 | 300 | 320 | 350 | 350 | 350 | 450 | 500 | ||
| Die Height Adjustment | mm | 50 | 60 | 80 | 80 | 80 | 80 | 110 | 110 | 120 | ||
| Throat Depth | mm | 210 | 230 | 300 | 300 | 350 | 350 | 380 | 390 | 420 | ||
| Between Columns | mm | 450 | 550 | 620 | 640 | 710 | 760 | 810 | 920 | 960 | ||
| Bolster | LR | mm | 700 | 810 | 900 | 1000 | 1150 | 1150 | 1300 | 1400 | 1400 | |
| FB | mm | 400 | 440 | 580 | 580 | 680 | 680 | 740 | 760 | 800 | ||
| Thk | mm | 80 | 110 | 110 | 120 | 140 | 140 | 150 | 160 | 170 | ||
| Bolster Opening | mm | φ170×20 | φ180×30 | φ200×40 | φ200×40 | φ260×50 | φ260×50 | φ300×50 | φ300×50 | φ320×50 | ||
| (Up Hole Dia.×Dpth×Low Hole Dia.) | ×φ150 | ×φ160 | ×φ180 | ×φ180 | ×φ220 | ×φ220 | ×φ260 | ×φ260 | ×φ280 | |||
| Slide Area | LR | mm | 360 | 600 | 680 | 710 | 810 | 810 | 920 | 970 | 970 | |
| FB | mm | 300 | 360 | 400 | 440 | 500 | 500 | 580 | 600 | 650 | ||
| Shank Hole | Dia. | mm | φ40 | φ40 | φ50 | φ50 | φ60 | φ60 | φ65 | φ65 | φ70 | |
| Dpth | mm | 60 | 60 | 80 | 80 | 80 | 80 | 85 | 90 | 90 | ||
| Main Motor Power | kW | 4 | 5.5 | 7.5 | 7.5 | 11 | 11 | 15 | 18.5 | 22 | ||
| Dimensions | FB | mm | 1500 | 1610 | 1680 | 1750 | 1860 | 1860 | 2250 | 2500 | 2730 | |
| LR | mm | 950 | 1170 | 1260 | 1310 | 1400 | 1450 | 1600 | 1700 | 1750 | ||
| H | mm | 2650 | 2850 | 3050 | 3150 | 3350 | 3350 | 3800 | 4200 | 4300 | ||
| Net Weight | kg | 3100 | 4350 | 6500 | 8500 | 10000 | 10700 | 14500 | 17950 | 25400 | ||