Product Item:Hydraulic Punch Stamping Machine
 
1. Main Features:
1) Hydraulic Punching Machine use rigid rotating-key clutch, structure simple, easy operation and maintenance-free, driven by helical gear, stable, low impact.
2) J21S-25 open inclinable punching machines are the domestic first batch of punching machine equipped with ball bearings, high resistance and low noise, instead of traditional sliding bearing (copper tile).
3) J21S open-type inclinable punching machine is unique in the industry, copper tile transmission gear.
4) Redesigned frame with high strength, transmission through ball bearing (low noise)
5) All J21S-80T above punching machines: pneumatic double balancing cylinder structure balances the weight of slider and upper die to prevent shaking.
6)Hydraulic Metal Punching Machine Can prevent gear colliding, minimizing noise, eliminating the gap between connecting rod and slider, reducing impact and wear of loaded parts
7) Prevent the slider from falling down and occurring accident in case of brake failure or connecting-rod breaking down
2. Standard Accessories:
●China-made high performance motor
●France Schneider electrics
●Safety standard (2006/42/EC):
●Left and right safety fence
	 
 
3. Safety Standards:
●Safety standard(2006/42/EC)
●Opening electric cabinet door cuts off power
●China-made pedal switch (safety grad: 4)
●Left and right safety fence confirm to CE standard
●Safety relay monitor pedal switch, safety protection
4. Technical Date:
| ITEM | UNIT | J21s-25 | J21s-45 | J21s-60 | J21s-80 | J21s-125 | |
| Nominal Capacity | KN | 250 | 450 | 600 | 800 | 1250 | |
| Slide Stroke | mm | 80 | 120 | 140 | 160 | 180 | |
| Slide Strokes | spm | Times/min | 100 | 80 | 70 | 60 | 50 | 
| Variable(optional) | Times/min | 60-100 | 50-80 | 45-70 | 40-60 | 35-50 | |
| Max. Die Shut Height | mm | 250 | 270 | 300 | 320 | 350 | |
| Die Shut Height Adjustment | mm | 50 | 60 | 70 | 80 | 90 | |
| Throat Depth | mm | 210 | 225 | 270 | 310 | 350 | |
| Distance Between Columns | mm | 450 | 515 | 560 | 610 | 670 | |
| Slide Bottom Size | b | mm | 250 | 340 | 400 | 460 | 520 | 
| L-R | mm | 360 | 410 | 480 | 540 | 620 | |
| Shank Hole Size | d | mm | 40 | 50 | 50 | 50 | 70 | 
| Depth | mm | 65 | 60 | 70 | 65 | 90 | |
| Bolster Size | D | mm | 400 | 440 | 520 | 600 | 680 | 
| L-R | mm | 720 | 825 | 930 | 950 | 1100 | |
| Thickness | mm | 80 | 110 | 130 | 140 | 155 | |
| Bed Opening Hole Diameter | mm | 150 | 150 | 150 | 180 | 200 | |
| Overall Dimensions | A | mm | 1496 | 1585 | 1540 | 1765 | 2040 | 
| L-R | mm | 945 | 1075 | 1200 | 1200 | 1320 | |
| Height | mm | 2120 | 2391 | 2570 | 2725 | 3035 | |
| Motor Power | KW | 3 | 5.5 | 5.5 | 7.5 | 11 | |
| Weight(approximate) | kg | 2450 | 3550 | 5150 | 6450 | 9550 | |
| ITEM | UNIT | J21s-160 | J21s-200 | J21s-250 | J21s-315 | J21s-400 | |
| Nominal Capacity | KN | 1600 | 2000 | 2500 | 3150 | 4000 | |
| Slide Stroke | mm | 200 | 220 | 220 | 220 | 250 | |
| Slide Strokes | spm | Times/min | 45 | 45 | 30 | 30 | 30 | 
| Variable(optional) | Times/min | 30-45 | 25-45 | 20-30 | 20-30 | 20-30 | |
| Max. Die Shut Height | mm | 400 | 450 | 500 | 500 | 550 | |
| Die Shut Height Adjustment | mm | 100 | 110 | 120 | 120 | 120 | |
| Throat Depth | mm | 400 | 430 | 450 | 450 | 490 | |
| Distance Between Columns | mm | 736 | 910 | 980 | 980 | 1050 | |
| Slide Bottom Size | b | mm | 580 | 650 | 700 | 700 | 750 | 
| L-R | mm | 700 | 880 | 950 | 950 | 1020 | |
| Shank Hole Size | d | mm | 70 | 70 | 70 | 70 | 70 | 
| Depth | mm | 100 | 100 | 130 | 130 | 130 | |
| Bolster Size | D | mm | 760 | 840 | 880 | 880 | 950 | 
| L-R | mm | 1175 | 1390 | 1500 | 1540 | 1700 | |
| Thickness | mm | 165 | 180 | 190 | 190 | 210 | |
| Bed Opening Hole Diameter | mm | 220 | 250 | 270 | 270 | 290 | |
| Overall Dimensions | A | mm | 2305 | 2600 | 2660 | 2720 | 2850 | 
| L-R | mm | 1420 | 1540 | 1640 | 1680 | 1750 | |
| Height | mm | 3215 | 3800 | 3865 | 3865 | 4150 | |
| Motor Power | KW | 15 | 18.5 | 22 | 30 | 37 | |
5. Accessory List:
	 
	 
						Standard 
					 
						Optional 
					
		
			
				 
			
					No 
				 
				
					Accessory 
				 
				
					Model / Manufacturer 
				 
				
					Configuration 
				 
			
				 
			
					1 
				 
				
					Main Motor 
				
				
					China-made High Performance Motor 
				
				
					 
			
				
				 
			
					2 
				 
				
					Electrics 
				
				
					Schneider- France 
			
				
				 
			
					3 
				 
				
					Safety Fence 
				
				
					Left and Right Safety Fence 
			
				
				 
			
					4 
				 
				
					Lubrication System 
				
				
					Manual Lubricating Cap 
			
				
				 
			
					5 
				 
				
					Pedal Switch 
				
				
					High Quality Pedal Switch-China 
				
				
					 
			
				
				 
			
					6 
				 
				
					Photoelectric protection 
				
				
					LNTECH- Shandong 
			
				
				 
			
					7 
				 
				
					Main Motor 
				
				
					Siemens-Germany 
			
				
				 
			
					8 
				 
				
					Lubrication System 
				
				
					Auto lubrication-China 
			
				
				 
		
	
					9 
				 
				
					Safety standards 
				
				
					■CE   □CSA   ■NR-12   □OSHA 
				
				
					 
			
				
Fabrication Equipment:
	
 
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