JMD31 Series H-Frame Eccentric Press
The JMD31 series are H-frame eccentric presses whose two-column body gives high rigidity. They come in seven capacities from 160 to 630 ton, and an optional air cushion suits deep drawing work.
160–630 tonCapacity Range
H-frameTwo-column Body
18–40 spmFixed Stroke Rate
160–250 mmSlide Stroke
Technical Specifications
| Specification | Symbol | Unit | 160 ton1600 kNJMD31-160 | 200 ton2000 kNJMD31-200 | 250 ton2500 kNJMD31-250 | 315 ton3150 kNJMD31-315 | 400 ton4000 kNJM31-400 | 500 ton5000 kNJM31-500 | 630 ton6300 kNJM31-630 |
|---|---|---|---|---|---|---|---|---|---|
| Capacity and Stroke | |||||||||
| Nominal Force | Pe | kN | 1600 | 2000 | 2500 | 3150 | 4000 | 5000 | 6300 |
| Nominal Force Stroke | Sp | mm | 6 | 6 | 8 | 8 | 10 | 10 | 10 |
| Slide Stroke | S | mm | 160 | 180 | 200 | 200 | 200 | 200 | 250 |
| Strokes per Minute, Fixed | n | spm | 40 | 35 | 30 | 30 | 25 | 20 | 18 |
| Strokes per Minute, Variable (Optional) | spm | 35–50 | 30–40 | 25–35 | 25–35 | 20–30 | – | – | |
| Die Area | |||||||||
| Max. Die Set Height | H2 | mm | 350 | 450 | 500 | 550 | 600 | 650 | 700 |
| Die Height Adjustment | t | mm | 110 | 110 | 120 | 120 | 120 | 120 | 120 |
| Slide Bottom Size, Front-back × Left-right | mm | 650 × 800 | 650 × 850 | 700 × 900 | 750 × 950 | 800 × 1050 | 900 × 1200 | 1100 × 1450 | |
| Die Shank Hole (Diameter × Depth) | mm | φ65 × 90 | φ65 × 90 | φ70 × 90 | φ70 × 90 | φ80 × 90 | φ80 × 90 | φ90 × 100 | |
| Distance Between Columns | mm | 1150 | 1200 | 1320 | 1370 | 1550 | 1700 | 1900 | |
| Side Opening (Front-back × Height) | mm | 760 × 300 | 800 × 370 | 820 × 430 | 880 × 480 | 920 × 520 | 1020 × 600 | 1100 × 650 | |
| Bolster | |||||||||
| Bolster Size, Front-back × Left-right | mm | 740 × 1050 | 760 × 1130 | 800 × 1200 | 850 × 1250 | 900 × 1350 | 1000 × 1500 | 1200 × 1700 | |
| Bolster Thickness | mm | 150 | 160 | 170 | 170 | 180 | 190 | 200 | |
| Bolster Top Surface Height From Ground | mm | 1030 | 1030 | 1050 | 1050 | 1050 | 1060 | 1050 | |
| Air Cushion (Optional) | |||||||||
| Number | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Cushion Knock-out Force | kN | 160 | 160 | 250 | 250 | 250 | 250 | 250 | |
| Cushion Knock-out Stroke | mm | 80 | 80 | 80 | 80 | 80 | 80 | 80 | |
| Cushion Knock-out Area | mm | φ350 | φ350 | 340 × 540 | 400 × 540 | 400 × 540 | 400 × 540 | 400 × 540 | |
| Motor, Dimensions and Weight | |||||||||
| Main Motor Power | kW | 15 | 18.5 | 22 | 30 | 37 | 45 | 75 | |
| Outline Dimensions (Front-back × Left-right × Height) | mm | 2480 × 1750 × 3500 | 2570 × 1810 × 3610 | 2950 × 2080 × 3850 | 3150 × 2200 × 4000 | 3430 × 2400 × 4210 | 3670 × 2580 × 4600 | 4150 × 2900 × 5200 | |
| Net Weight | kg | 20,000 | 24,000 | 31,000 | 36,000 | 42,000 | 52,000 | 64,000 | |
Values are for reference; contact us for exact dimensions.