500 Ton Four Pillar Hydraulic Press for SMC Automotive Battery Box

Capacity & Structural Design

• Rated Capacity: 500 Tons (≈ 4900 kN)
• Press Type: Fourpillar hydraulic hot press
• Frame: Heavy welded steel, stressrelieved
• Safety factor: ≥ 1.35
• Deflection @ full load: ≤ 0.06–0.08 mm

Hydraulic System

• Cylinder: Doubleacting
• Bore: 380–450 mm
• Stroke: 600–1000 mm
• Working pressure: 28–32 MPa
• Control: Servo / proportional hydraulic system (preferred)

Compression Molding Cycle

1. Rapid mold closing
2. Precompression (SMC flow distribution)
3. Full compression (forming stage)
4. Heat curing (thermoset crosslinking)
5. Dwell (2–5 minutes typical)
6. Controlled decompression
7. Mold opening

Heated Platen System

• Heating type: Thermal oil system
• Temperature range: 130–170°C
• Accuracy: ±2–3°C
• Multi-zone temperature control

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 / Mitsubishi / Delta)
• Advanced HMI (recipe-based cycles)
• Real-time monitoring:
  • Pressure
  • Temperature
  • Time
• Data logging (automotive QA compliance)
• Safety PLC with 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