Overview

This document provides detailed technical specifications for a range of all-electric injection molding machines manufactured by Yizumi Group. It covers key parameters related to the clamping unit, injection unit, and overall machine dimensions and weight.

1. Clamping Unit Specifications

• Clamp Type: Five-point toggle clamp system used across all models.
• Max Clamping Force: Ranges from 588 kN (60 tons) to 2548 kN (260 tons), with an ultra-high pressure model reaching up to 1110 tons.
• Space Between Tie Bars: Varies between 360×320 mm to 660×610 mm depending on model size.
• Platen Size: From 500×470 mm up to 1000×966 mm.
• Max Opening Stroke: Between 250 mm and 600 mm.
• Mold Thickness Range: Adjustable from 150 mm minimum to 750 mm maximum.
• Locating Ring Diameter: Typically 100-120 mm.
• Ejector Drive Type: Electric five-point system.
• Ejector Force: From 20 kN to 58 kN.
• Ejector Stroke: 65 mm to 150 mm.

2. Injection Unit Specifications

• Plasticizing Device Models: Various models including HPV20, HPV32, HPV36, HPV40, FE60S, FE120S, FE180S, FE260S.
• Screw Diameter: Ranges from 20 mm to 50 mm.
• Max Injection Pressure: Between 218 MPa and 354 MPa.
• Max Holding Pressure: Between 174 MPa and 290 MPa.
• Shot Volume: From 23.6 cm³ to 471 cm³.
• Shot Weight: From 22.4 g to 452 g.
• Plasticizing Capacity: 13 kg/h up to 185 kg/h.
• Injection Rate: 94.2 cm³/s to 589 cm³/s.
• Screw Stroke: 75 mm to 240 mm.
• Max Injection Speed: 300 mm/s.
• Max Screw Speed: 400 rpm.
• Number of Temperature Control Stages: 5 to 6 stages.
• Heating Power: 25 kW to 50 kW.
• Nozzle Contact Force: 43 kN to 50 kN.
• Nozzle Protrusion: 45 mm to 50 mm.
• Carriage Stroke: 335 mm to 430 mm.
• Hopper Capacity: 15 L to 50 L.

3. Machine Dimensions and Weight

• Dimensions (L×W×H) range from 4000×1150×1700 mm to 7000×1850×2400 mm depending on model.
• Machine weight varies from 2.8 tons to 12 tons.

4. Key Observations and Recommendations

• The machines utilize a consistent five-point toggle clamp system ensuring reliable clamping force across models.
• Injection units are designed for high precision with multiple temperature control stages and high injection speeds.
• Models cover a wide range of clamping forces and shot volumes, suitable for diverse molding applications from small to large parts.
• Electric ejector drives and nozzle contact forces are standardized for consistent ejection and nozzle sealing performance.
• Machine dimensions and weights increase proportionally with clamping force and injection capacity, important for factory layout planning.

5. Summary Table Highlights

The document includes extensive tabulated data showing the correlation between screw diameter, injection pressure, shot volume, and machine size. For example:

• HPV20 model: 20 mm screw, 354 MPa max injection pressure, 23.6 cm³ shot volume, machine weight 2.8 t.
• HPV40 model: 50 mm screw, 218 MPa max injection pressure, 471 cm³ shot volume, machine weight 12 t.

This data supports selection of the appropriate machine based on production requirements.

Conclusion

The document comprehensively details the specifications of Yizumi's all-electric injection molding machines, emphasizing their clamping and injection capabilities, dimensional data, and operational parameters. This information is critical for engineers and procurement specialists to select suitable machines for specific molding tasks, ensuring optimal performance and integration into manufacturing lines.