Model NO.: Jh21-100ton
Power Source: Mechanical Drive
Precision: High Precision
Certification: CE, ISO 9001
Condition: New
Power(W): as Requirement
Warrant: All Life, 1 Year Free
Color: Customized
After-Sales Service Provided: Engineers Available to Service Machinery Overseas
Place of Origin: Jiangsu, China (Mainland)
Trademark: World
Transport Package: Custiomized
Origin: Jiangsu China
HS Code: 8462101000
Details:1.The JH21 C-frame single crank press is suitable for processing lightweight and thin materials through blanking, piercing, bending, forming, and can be linked with ROT lines or transfer units. It is ideal for single and progressive die applications, with capacities ranging from 25 ton to 400 ton.
2.The press features a high-torque, low-noise wet clutch and brake system.
3.A steel-welded body ensures a rigid frame with minimal deflection.
4.High-precision transmission gears and a rigid crankshaft ensure long life and accuracy.
5.A forced lubrication system with a default monitor guarantees reliable operation.
6.User-friendly design and a full-function electric control system make it easy to attach accessories.

FEATURES:
1. Steel-welded body with tempering treatment or VSR (Vibratory Stress Relief), offering high rigidity, accuracy, and stability;
2. Pneumatic dual balance cylinders that help reduce noise and impact by balancing the slide and punch weight;
3. Crankshaft undergoes grinding after high-frequency quenching;
4. Extended six-face rectangular guide with a bronze plate surface;
5. Vertically positioned crankshaft for a compact structure;
6. PLC control and imported safety duplex valve;
7. Wet-type combined multi-disc friction clutch and brake; hydraulic overload protection pump.
Specifications of JH21 Series C-frame Fixed Bolster Press | ||||||||||||||
Parameter | Â | Unit | JH21- 25 |
JH21- 45 |
JH21- 60 |
JH21- 80 |
JH21- 100 |
JH21- 125 |
JH21- 160 |
JH21- 200 |
JH21- 250 |
JH21- 315 |
JH21-400 | |
Nominal Capacity | Â | KN | 250 | 450 | 600 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 | 4000 | |
Nominal Stroke | Â | Mm | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 6.5 | 7 | 8 | |
Slide Stroke Length | S | Mm | 80 | 120 | 140 | 160 | 160 | 180 | 200 | 220 | 220 | 220 | 250 | |
H | Mm | 50 | 70 | 80 | 100 | 100 | 110 | 130 | 150 | 160 | 160 | 180 | ||
Slide Stroke | Fixed | S | Times /min |
100 | 80 | 70 | 60 | 55 | 50 | 45 | 45 | 30 | 30 | 30 |
H | Â | 125 | 95 | 90 | 80 | 80 | 70 | 60 | 50 | 45 | 45 | 40 | ||
Variable | S | Times /min |
60-120 | 50-95 | 45-85 | 40-75 | 35-65 | 35-60 | 30-55 | 30-55 | 20-35 | 20-35 | 20-35 | |
H | Â | 75-150 | 65-115 | 60-110 | 55-95 | 55-95 | 50-85 | 40-70 | 35-60 | 30-55 | 30-55 | 30-50 | ||
Max.Die Set Height | S | Mm | 250 | 270 | 300 | 320 | 335 | 350 | 400 | 450 | 500 | 500 | 550 | |
H | Â | 265 | 295 | 330 | 350 | 365 | 385 | 435 | 485 | 530 | 530 | 585 | ||
Die Height Adjustment | Â | Mm | 50 | 60 | 70 | 80 | 90 | 90 | 100 | 110 | 120 | 120 | 120 | |
Throat Depth | Â | Mm | 210 | 225 | 270 | 310 | 330 | 350 | 400 | 430 | 450 | 450 | 490 | |
Distance Between Uprights | Â | Mm | 450 | 515 | 560 | 610 | 670 | 670 | 736 | 910 | 980 | 980 | 1050 | |
Slide Bottom Size | L x R |  | Mm | 360 | 410 | 480 | 540 | 620 | 620 | 700 | 880 | 950 | 950 | 1020 |
F x B |  | Mm | 250 | 340 | 400 | 460 | 520 | 520 | 580 | 650 | 700 | 700 | 750 | |
Handle Hole Size | Dia | Â | Mm | 40 | 50 | 50 | 50 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
Depth | Â | Mm | 65 | 60 | 70 | 65 | 90 | 90 | 100 | 100 | 130 | 130 | 130 | |
Bolster Size | L x R |  | Mm | 720 | 825 | 930 | 950 | 1060 | 1100 | 1175 | 1390 | 1500 | 1540 | 1700 |
F x B |  | Mm | 400 | 440 | 520 | 600 | 640 | 680 | 760 | 840 | 880 | 880 | 950 | |
Bolster Thickness | Â | Mm | 80 | 110 | 130 | 140 | 145 | 155 | 165 | 180 | 190 | 190 | 210 | |
Table Hole Diameter | Â | Mm | 150 | 150 | 150 | 180 | 180 | 200 | 220 | 240 | 260 | 260 | 280 | |
Bolster Surface Height | Â | Mm | 780 | 800 | 900 | 900 | 900 | 900 | 900 | 1000 | 1000 | 1000 | 1100 | |
Overall Size | F x B |  | Mm | 1500 | 1585 | 1540 | 1765 | 2000 | 2040 | 2305 | 2600 | 2660 | 2720 | 2850 |
L x R |  | Mm | 945 | 1075 | 1200 | 1200 | 1300 | 1320 | 1420 | 1540 | 1640 | 1680 | 1750 | |
H | Â | Mm | 2120 | 2390 | 2570 | 2725 | 3010 | 3035 | 3215 | 3800 | 3850 | 3850 | 4140 | |
Distance between Foundation bolts |
F x B |  | Mm | 980 | 1075 | 1100 | 1210 | 1365 | 1430 | 1665 | 2020 | 2100 | 2140 | 2185 |
L x R |  | Mm | 690 | 760 | 840 | 920 | 1020 | 1040 | 1140 | 1360 | 1460 | 1500 | 1570 | |
Motor Power | Â | Kw | 3 | 5.5 | 5.5 | 7.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | |
Weight | Â | Kg | 2450 | 3550 | 5150 | 6450 | 8650 | 9550 | 13600 | 19200 | 23200 | 26600 | 29500 | |
Press Pressure | Â | Mpa | 0.5 |

Standard Equipments: | Optional Equipments: |
1) High Performance Wet clutch (Adopt advanced Japanese technology) | 1) Light curtain |
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