Clamping Unit
Box type rigid clamping structure with guide support and an optimized toggle mechanism. Mold height adjustment and a mechanical safety lock support mold setup and operation.
MINY / PRODUCTS
INJECTION MOLDING
BNK-250 servo injection molding machine with 2500 kN clamping force, 3 screw configurations and 570 × 520 mm tie-bar spacing.
PRODUCT / BNK-250
BNK-250 Servo Injection Molding Machine
BNK-250 servo injection molding machine with 2500 kN clamping force, 3 screw configurations and 570 × 520 mm tie-bar spacing.
Compare BNK series modelsPRODUCT DETAILS
BNK-250 Injection Unit
A, B, C identify the available screw configurations for this machine.
| Parameter | Unit | A | B | C |
|---|---|---|---|---|
| Screw diameter | mm | 45 | 50 | 55 |
| Screw L/D ratio | L/D | 22 | 20 | 18 |
| Theoretical shot volume | cm³ | 374 | 461 | 558 |
| Shot weight (PS) | g | 340 | 420 | 508 |
| Injection pressure | — | On request | On request | On request |
| Maximum screw speed | 200 rpm |
|---|
Clamping Unit
| Clamping force | 2500 kN |
|---|---|
| Opening stroke | 470 mm |
| Distance between tie-bars | 570 × 520 mm |
| Maximum mold height | 560 mm |
| Minimum mold height | 190 mm |
| Ejector stroke | 140 mm |
| Ejector force | 62 kN |
Power, Dimensions and Weight
| Servo motor power | 28.7 kW |
|---|---|
| Heating power | 15.9 kW |
| Machine dimensions | 5.50 × 1.65 × 2.15 m |
| Machine weight | 7.2 t |
BNK-250 Platen Dimensions
Machine Features
Injection Unit
Select from the screw diameters and injection capacities listed for this model. The injection assembly includes the material hopper, barrel and injection carriage.
Hydraulic Unit
Low resistance oil paths help reduce hydraulic pressure loss and operating noise. Servo motor configuration is listed in the technical specifications.
Electrical Unit
Operator controls support machine parameter setting and process monitoring. Curve display, SPC quality management and controller configuration are confirmed for the selected machine.
Machine Selection
- Choose the screw configuration to suit the resin, shot weight and mold requirements.
- Confirm mold fit using tie-bar spacing, mold height limits and the platen drawings.
- Injection pressure is confirmed with quotation for the selected injection unit.
- Series photographs illustrate the machine structure; appearance and controller configuration may vary by model.
Request a Quotation for BNK-250
Send your resin, molded part weight, mold dimensions and output requirements so we can confirm a suitable configuration.
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