Features
1. Compared with traditional hydraulic injection molding equipment, CHAP hydraulic two-platen plastic injection molding machine uses 45%-80% less energy
2. The use of Siemens control panel which is specially designed for injection molding machine makes it possible to monitor the whole process and display fault diagnosis timely.
3. Our injection molding machine runs smoothly and causes low noise.
4. The permanent magnet AC servo motor can reach the maximum output within 0.1 second.
5. Full closed-loop control.
Technical Specifications of Hydraulic Two-Platen Plastic Injection Molding Machine
| Description | Unit | CHG250J | |||
| Injection Unit | |||||
| Screw No | / | A | B | C | |
| Screw diameter | mm | 50 | 55 | 60 | |
| Screw length-diameter ratio | L/D | 23.1 | 21 | 19.25 | |
| Theoretical injection capacity | cm3 | 483 | 581 | 695 | |
| Injection weight(PS) | g | 440 | 529 | 632 | |
| Injection pressure | Mpa | 224 | 185 | 155 | |
| Plasticizing capacity(PS) | g/s | 25 | 30.5 | 33.7 | |
| Screw rotational speed | rpm | 0~215 | |||
| Clamping Unit | |||||
| Mould clamping force | KN | 255 | |||
| Moving mould distance | mm | 820 | |||
| Tie bar spacing | mm | 580×580 | |||
| Mould clamping stroke | mm | 1020 | |||
| Min. mould thickness | mm | 200 | |||
| Ejector stroke | mm | 200 | |||
| Ejector force | KN | 70 | |||
| Ejector bar amount | PC | 9 | |||
| Other Unit | |||||
| Max. pump pressure | MPa | 25 | |||
| Pump motor power | KW | 22 | |||
| Heating power | KW | 12.5 | |||
| External dimension(L×W×H) | mm | 5.946×1.608×2.27 | |||
| Machine weight | kg | 7.2 | |||
| Material cylinder capacity | Liter | 50 | |||
| Oil tank capacity | Liter | 450 | |||
| Front View Dimension of Mould | ![]() |
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| Side View Dimension of Mould | ![]() |
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| External Dimension | ![]() |
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Beginning its business in 2004, CHAP is one of professional hydraulic two-platen plastic injection molding machine manufacturers and suppliers. We can produce various rubber machineries, such as vacuum rubber vulcanizing machine, frame transfer molding press, rotary table injection molding machine, custom rubber machine, and more. Located in Ningbo City, we are surrounded by transportation facilities like highways, airports, and sea ports. This allows us to conveniently transport our products and effectively reduce our customers' freight charges. If you are interested in our products, please do not hesitate to contact us. We look forward to doing business with you.




Company Brief: Established in 2004, CHAP Machinery Manufacturing Company is a China based manufacturer of superior quality rubber machine and plastic injection molding machine products for customers all over the world. We provide a vast range of products, such as our vacuum rubber vulcanizing machine, rubber transfer molding machine, plate rubber vulcanizing machine, rotary table injection molding machine, hydraulic two-platen plastic injection molding machine, and more. We can accommodate customer requests with our outstanding tailor-made rubber machines like our vulcanizing machine for gas testing of tire valves, vulcanizing press for rubber tire gaskets, butyl rubber stopper vacuum vulcanizing press, and more.