02 — Technical Specifications
SM 500 HP – HYDRAULIC PRESS MACHINE COMPLETE TECHNICAL DATA
SM 500 HP – Hydraulic Press Machine delivers powerful performance with complete technical capabilities for heavy-duty applications. It ensures precision, durability, and consistent output in thick-walled plastic molding operations.
Capacity & Structural Design
- Rated Capacity: 500 Tons (≈ 4900 kN)
- Type: Fourpillar hydraulic compression press
- Frame: Heavy welded steel (stress-relieved)
- Safety factor: ≥ 1.35
- Parallelism accuracy: ≤ 0.05–0.08 mm
Hydraulic System
- Cylinder: Doubleacting heavy-duty
- Bore: 380–450 mm
- Stroke: 600–900 mm
- Working pressure: 28–32 MPa
- Control: Proportional / servo hydraulic system
Compression Molding Cycle
- Plastic charge loading (preheated/molten mass)
- Mold closing (fast approach)
- Precompression (material spreading)
- Full compression (shape + densification)
- Cooling under pressure
- Controlled decompression
- Mold opening
- Product ejection
Cooling
- Mold cooling channels
- Chiller-based system (10–20°C water)
Cooling cycle: 200°C → 60–70°C before demolding
Benefits:
- Prevents shrinkage
- Maintains shape accuracy
- Improves mechanical strength
Working Envelope
- Platen size: Standard: 1000 × 1000 mm, Optional: 1200 × 1200 mm
- Daylight opening: 1000–1600 mm
- Column diameter: 140–180 mm
Control System
- PLC: Siemens / Delta / Mitsubishi
- HMI: Recipe-based control
- Monitored parameters:
- Pressure
- Temperature
- Cooling time
- Cycle time
- Features:
- Data logging
- Safety PLC + interlocks
SM 500 HP — Model Specifications
- Nominal Force: 5000 KN
- Maximum Hydraulic Pressure: 25 MPa
- Max Opening Height of the Slider: 1500 mm
- Max Stroke of the Slider: 900 mm
- Effective Bed Size: 1400 × 1400 mm
- Slider Down Speed: 150 mm/s
- Slider Pressing Speed: 10–18 mm/s
- Slider Return Speed: 180 mm/s
- Ejector Cylinder Nominal Force: 500 KN
- Stroke of the Ejection Cylinder: 300 mm
