380 Ton Hydraulic Injection Molding Machine
General Description:
RAINBOW energy saving plastic Injection Molding Machine equipped with high stable servo motor and servo driver, advances closed loop control for pressure and flow. The injection machine working with low noise, high precision and energy saving.
We design, manufacture and supply our own brand of injection molding machine called "RAINBOW" with clamping force ranged from 600kn to 13000kn, injection weight from 80g to 10000g, and also we can provide custom-built injection molding machine according to customers` special request.
Machine Features:
1. Global top brand PLC computer control with big display screen
2. High quality hydraulic double proportional valve
3. Good quality hard chrome platen with high tensile steel tie bars
4. Generous space for fitting large moulds
5. Large opening stroke
6. Two position transducers to control Clamping and Injection
7. Four stages of injecting, independent velocity and pressure control
8. Hydraulic mould height adjustment device
9. Screw cold-start prevention device
10. Melt decompression control
11. Screw back pressure control
12. Multiple hydraulic ejections
13. Differential high speed clamping
14. Centralized lubrication system
15. Low pressure mould protection device
16. Mechanical safety interlock
17. Double electrical safety interlock
18. Oil return filter
19. Oil tank with inner stainless steel container
Machine Specifications:
| Description | Unit | CHC3800-SV |
| International Size Rating |
| 2980 |
| Injection Unit |
| A | B | C |
| Screw Diameter | mm | 70 | 75 | 80 |
| Screw L/D Ratio | L/D | 22 | 20 | 19 |
| Theoretical Shot Volume | cm³ | 1501 | 1723 | 1960 |
| Shot Weight (PS) | g | 1366 | 1568 | 1784 |
| Injection Pressure | bar | 1990 | 1734 | 1524 |
| Max. Screw Speed | rpm | 172 |
| Clamping Unit: |
| Clamping Force | Kn | 3800 |
| Opening Stroke | mm | 705 |
| Distance Between tie-bars | mm | 720x700 |
| Max. Mold height | mm | 780 |
| Min. Mold height | mm | 250 |
| Ejector Stroke | mm | 150 |
| Ejector Force | Kn | 79 |
| Others: |
| Drive Power | Kw | 37 |
| Heating Capacity | Kw | 29.5 |
| Machine Dimensions | m | 7.4x1.9x2.3 |
| Machine Weight | t | 16 |
| Oil Tank Capacity | L | 700 |
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