Liquid Silicone Rubber Keyboard Moulding Machine Precision Keypad Equipment
Vertical Liquid Silicone Rubber (LSR) Injection Molding Machine with double sliding board design, CE and ISO certified. Ideal for medical silicone products, electronic silicone seals, and precision keypad manufacturing.
Key Features
- Direct pressure mould opening/closing system with horizontal injection structure for precise positioning
- Advanced sliding rail structure reduces oil pollution and ensures stable operation
- Active pin valve-pattern nozzle sealing system for accurate injection
- High-performance servo motor system for energy efficiency and precision
- Supports multi-station production requirements
- Optional Rexroth full closed loop servo valve for real-time monitoring
Technical Specifications
| Model | BETTER Vertical Rotary LSR injection molding machine |
| Clamping Force | 160 tons |
| Max Mold Size | 530*530mm (700*450mm) |
| Min Mold Height | 300+50mm |
| Mold Stroke | 300mm |
| Max Daylight | 600+50mm |
| Ejector Force | 4 tons |
| Max Hydraulic Pressure | 140kg/cm² |
| Cooling Water Requirement | 1500-1800 liters/hour |
| Motor Power | 22kW |
| Dimensions (L*W*H) | 3.13*2.41*3.28/4.13m |
| Weight | 9 tons |
Injection Unit Features
- Square hydraulic motor with ≤0.1mm position accuracy
- Non-return valve between motor and tube
- Bidirectional axial positioning (≤0.05mm swing accuracy)
- LSR-specific barrel with spline design and pneumatic sealant shut-off nozzle
- One-piece casting injection cylinder (5-10mm larger diameter than standard)
- Specially designed LSR oil circuit (≤0.05mm storage position accuracy)
Double-Material LSR Molding Capabilities
- Dual-function machine for increased versatility
- Supports double-material injection technology
- Independent double injection system
- Combines thermoplastic and thermosetting material processing
- Integrates plastic and LSR molding technologies
- Improves efficiency and reduces labor requirements