Sheet Metal Perforation Machine
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Product Description
| Description： |
DAPU Sheet Metal Perforation Machine – Key Features
Heavy-Duty Steel Welded Frame
Built for stability and long-term reliability, even under high-load production demands.
Top-Brand Main Motor (SIEMENS)
Ensures consistent performance and long-lasting power with minimal downtime.
Dry Pneumatic Clutch & Brake System
Fast response and precise control for high-speed, continuous operations.
Oil-Immersed Gear Transmission
Enhances durability and reduces maintenance by minimizing wear on moving parts.
Reinforced Multi-Face Slide Guides
Six-face guide rails (eight-face for JH21-315B/400B models) provide superior slide stability and accuracy.
Hydraulic Overload Protection
Automatically halts operation during overloads to protect both the press and tooling.
User-Friendly Die Height Adjustment
Manual adjustment with scale on JH21-16/25/45 models.
Electric adjustment with digital display on JH21-63 and larger models.
JH21-45 offers optional electric adjustment with numeric display.
Balanced Cylinder Lift System
Ensures smooth press motion and energy balance (not included in JH21-16 model).
Dual Lubrication System
Electrical grease lubrication for main parts.
Manual lubrication for the balance cylinder for easy upkeep.
Integrated PLC Control System
Powered by global brands, offering reliable automation and expansion-ready interface with electronic cam.
Premium Electrical Components
All buttons, switches, circuit breakers, and pneumatic valves are sourced from trusted international brands.
Flexible Automation & Safety Options
Optional configurations include:
Wet clutch system
Air cushion
Automatic feeding shaft
Light curtain safety system
Slide knockout unit
Auto-eject and automation-ready features
| Technical Parameter: |
| Specifications | JH21-16 | JH21-25B | JH21-45 | JH21-63 | JH21-80 | JH21-100 |
| Nominal force (kn) | 160 | 250 | 450 | 630 | 800 | 1100 |
| Stroke under nominal force (mm) | 2 | 3 | 4 | 4 | 5 | 6 |
| Slide block stroke (mm) | 60 | 60 | 100 | 120 | 140 | 160 |
| Number of stroke (min-1) | 135 | 100 | 80 | 70 | 60 | 50 |
| Max die set height (mm) | 220 | 200 | 270 | 300 | 320 | 350 |
| die set height adjustment (mm) | 30 | 50 | 60 | 80 | 80 | 80 |
| Between slide center and frame (mm) | 160 | 160 | 230 | 300 | 300 | 350 |
| Worktable dimensions (F.B*LR)mm | 310×700 | 300×680 | 440×810 | 580×900 | 580×1000 | 680×1150 |
| Shank hole(DiaxDepth)(mm) | Φ40*Φ60 | Φ40*Φ60 | Φ40*Φ60 | Φ50*Φ80 | Φ50*Φ80 | Φ60*Φ80 |
| Thickness of bolster (mm) | 65 | 70 | 110 | 110 | 120 | 140 |
| Dimensions of slide bottom surface (F.B*L.R)mm | 250×320 | 270×330 | 340×410 | 400×480 | 420×560 | 500×650 |
| Distance between columns of body | 460 | 448 | 550 | 560 | 640 | 760 |
| Motor power (kw) | 3 | 3 | 5.5 | 5.5 | 7.5 | 11 |
| Outline dimension (F.B*L.R*H)mm | 1500×1040×2000 | 1350×980×2130 | 1390×1125×2275 | 1580×1250×2580 | 1640×1290×2800 | 1850×1450×3060 |
| Numerical Control Desk |
 Numerical Control Desk | 1. Suitable for punching machine times: 35---120 times per minute; 2. Feeding fix accuracy: ±0.15mm; 3. Mini programme unit: 0.01mm 4. Max. feeding material speed: 24m/minute 5. Processing Specification: 2500mmX1250mm 6. Linear sliding bearing of down: 35X3000, up 35X1580 7. Ball-and-Screw unit of down: 4020X2875, up 3220X1644 8. Motor: 130-202 80--120v 0.9° 36--38 n/m 9. Motor: 110-204 80--120v 0.75° 20--24 n/m |
| Finished Product & Application: |
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