02 — Technical Specifications
SM 400 HP – HYDRAULIC PRESS MACHINE COMPLETE TECHNICAL DATA
The SM 400 HP – 400 Ton Hydraulic Press Machine is a high-performance 400-ton four-pillar hydraulic press engineered for the production of small gears, sprockets, and pulleys through powder metallurgy compaction processes. Its precise hydraulic control system delivers uniform pressure distribution and controlled powder densification, ensuring excellent dimensional accuracy, high density, and superior mechanical strength.
Capacity & Structural Design
- Rated Capacity: 400 Tons (≈ 3920 kN)
- Type: Fourpillar hydraulic powder compaction press
- Frame: Heavy rigid welded structure
- Safety factor: ≥ 1.35
- Parallelism accuracy: ≤ 0.03–0.05 mm (critical for gears)
Hydraulic System
- Cylinder: Multi-stage / doubleacting
- Bore: 350–420 mm
- Stroke: 300–600 mm
- Working pressure: 28–32 MPa
- Control: Servo-proportional system (high precision)
Powder Compaction Cycle
- Powder filling into die
- Upper and lower punch movement
- Pre-compaction (air removal)
- Main compaction (high pressure densification)
- Pressure holding (density stabilization)
- Decompression
- Ejection of green compact
Multi-Level Compaction
- Independent upper & lower punch control
- Floating die system (optional)
- Multi-action cylinders
Ensures:
- Uniform density across part
- Complex shapes without defects
Working Envelope
- Platen size: Standard: 600 × 600 mm
- Daylight: 500–800 mm
- Column diameter: 100–140 mm
Control System
- PLC: Siemens / Mitsubishi
- HMI: Precision recipe system
Controls:
- Pressure stages
- Stroke control
- Density profile
- Compaction speed
Features:
- Real-time monitoring
- Data logging (traceability)
- Safety PLC
SM 400 HP — Model Specifications
- Nominal Force: 4000 KN
- Maximum Hydraulic Pressure: 25 MPa
- Max Opening Height of the Slider: 1250 mm
- Max Stroke of the Slider: 800 mm
- Effective Bed Size: 1260 × 1160 mm
- Slider Down Speed: 100 mm/s
- Slider Pressing Speed: 5–11 mm/s
- Slider Return Speed: 100 mm/s
- Ejector Cylinder Nominal Force: 400 KN
- Stroke of the Ejection Cylinder: 300 mm
