HMD EM300 All-Electric Injection Molding Machine
Three injection-unit options · Permanent-magnet servo drive · Large-product precision molding
HMD EM300 is the large all-electric model on the 3000 kN platform. The C850 / C1100 / C1400 modular injection units cover large-shot precision products. The customized all-electric permanent-magnet servo motor and EATHERCAT bus support high-quality production of large appearance parts and thick-wall products.
Model Overview
| Item | Specification |
|---|---|
| Clamping platform | 3000 kN, new dedicated all-electric clamping mechanism |
| Injection-unit options | Choose freely from modular C850 / C1100 / C1400 |
| Injection speed | Unified 200 mm/s, balancing large-shot precision with stability |
| Drive system | Customized all-electric permanent-magnet servo motor + modular common-DC-bus drive |
| Control system | EATHERCAT bus high-response all-electric dedicated controller |
| Application | Large home appliance and automotive appearance parts, thick-wall structural parts, multi-cavity precision molds |
Injection Unit A: C850
Φ45 / Φ50 / Φ55 screws.
| Item | Unit | Option A | Option B | Option C |
|---|---|---|---|---|
| Theoretical shot volume | cm³ | 342 | 422 | 511 |
| Shot weight (PS) | g | 311 | 384 | 465 |
| Shot weight (PS) | oz | 11.0 | 13.5 | 16.4 |
| Injection speed | mm/s | 200 | 200 | 200 |
| Injection rate | g/s | 289 | 357 | 432 |
| Screw diameter | mm | 45 | 50 | 55 |
| Injection pressure | MPa | 250 | 203 | 167 |
| Continuous holding pressure | MPa | 200 | 162 | 134 |
| Screw L/D ratio | — | 23.3 | 21 | 19.1 |
| Screw stroke | mm | 215 | 215 | 215 |
| Screw speed | r/min | 300 | 300 | 300 |
Injection Unit B: C1100
Φ50 / Φ55 / Φ60 screws.
| Item | Unit | Option A | Option B | Option C |
|---|---|---|---|---|
| Theoretical shot volume | cm³ | 471 | 570 | 678 |
| Shot weight (PS) | g | 429 | 519 | 617 |
| Shot weight (PS) | oz | 15.1 | 18.3 | 21.8 |
| Injection speed | mm/s | 200 | 200 | 200 |
| Injection rate | g/s | 357 | 432 | 514 |
| Screw diameter | mm | 50 | 55 | 60 |
| Injection pressure | MPa | 220 | 182 | 153 |
| Continuous holding pressure | MPa | 198 | 164 | 138 |
| Screw L/D ratio | — | 23.1 | 21 | 19.3 |
| Screw stroke | mm | 240 | 240 | 240 |
| Screw speed | r/min | 300 | 300 | 300 |
Injection Unit C: C1400
Φ55 / Φ60 / Φ65 screws, suited to large thick-wall products.
| Item | Unit | Option A | Option B | Option C |
|---|---|---|---|---|
| Theoretical shot volume | cm³ | 617 | 735 | 862 |
| Shot weight (PS) | g | 562 | 669 | 785 |
| Shot weight (PS) | oz | 19.8 | 23.6 | 27.7 |
| Injection speed | mm/s | 200 | 200 | 200 |
| Injection rate | g/s | 432 | 514 | 603 |
| Screw diameter | mm | 55 | 60 | 65 |
| Injection pressure | MPa | 215 | 181 | 154 |
| Continuous holding pressure | MPa | 194 | 163 | 139 |
| Screw L/D ratio | — | 23 | 21 | 19.4 |
| Screw stroke | mm | 260 | 260 | 260 |
| Screw speed | r/min | 300 | 300 | 300 |
Clamping Unit Parameters
| Item | Unit | Specification |
|---|---|---|
| Clamping force | kN | 3000 |
| Mold opening stroke | mm | 610 |
| Platen size | mm | 1050 × 1050 |
| Distance between tie bars (H × V) | mm | 730 × 730 |
| Max. daylight | mm | 1290 |
| Mold thickness (min–max) | mm | 250 ~ 680 |
| Ejector stroke | mm | 160 |
| Ejector force | kN | 68.6 |
Power & Machine Body
| Item | Unit | C850 | C1100 | C1400 |
|---|---|---|---|---|
| Total connected power | kW | 61 | 78 | 78 |
| Number of temp control zones | — | 6 | 6 | 6 |
| Overall dimensions (L × W × H) | m | 7.2 × 2.2 × 2.5 | 7.2 × 2.2 × 2.5 | 7.2 × 2.2 × 2.5 |
| Machine weight | Ton | 15 | 15.5 | 16 |
Machine envelope 7100 × 2000 × 2500 mm; platen 840 × 840 mm (T-slot 22 × 38 × 18 mm).
Core Advantages
Dedicated All-Electric Permanent-Magnet Servo Motor
A customized permanent-magnet sync servo motor for all-electric machines delivers fast dynamic response, high power density, and significant energy savings.
New Clamping Mechanism
A high-rigidity clamping mechanism suited to all-electric characteristics provides smooth high-speed operation, high platen rigidity, and low deformation — especially suitable for precision molds and ultra-thin-wall products.
Modular Injection Unit
A modular injection design lets the same clamping module be combined with different injection units to meet the special needs of different products.
High-Speed Injection · 40 ms Response
Optimized injection moving parts raise injection speed to 0–300 mm/s with response under 40 ms, meeting demanding production requirements for ultra-thin precision parts.
EATHERCAT Bus Control
A high-response all-electric dedicated controller paired with EATHERCAT bus communication delivers strong noise immunity, fast computation, real-time data, and high control precision.
Modular Common-DC-Bus Drive
A modular common-DC-bus drive offers a compact structure, high power density, easy maintenance, and support for multiple communication protocols.
Sealed Quantitative Grease Lubrication
A sealed pressurized quantitative grease lubrication system uses minimal grease, ensures reliable lubrication, and keeps machine parts clean and tidy.