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Overview

Electric injection molding machines use fully electric servo-driven systems for injection, clamping and ejection instead of hydraulics. They deliver precise shot control, fast cycle times, lower energy use and cleaner operation, making them ideal for medical, electronics and precision plastic parts. Electric units usually need stable power and advanced controls, have compact footprints and generally require less routine fluid maintenance than hydraulic presses.

FAQ

What should I check when buying a used electric injection molding machine?

Verify screw and barrel condition, shot capacity, clamping tonnage, cycle history, control software/version, electrical components (servos, drives), maintenance records and availability of spare parts and documentation.

How do I handle shipping and installation?

Use a transporter experienced with injection presses. Confirm machine weight, lifting points and crating needs. Arrange proper power hookup, grounding and an onsite crane or forklift for placement. Factor in customs, insurance and commissioning support.

What are typical maintenance needs for electric machines?

Regularly inspect and clean hopper, heaters and thermocouples, check screw/barrel wear, verify servo motors and drives, update control software, and follow preventive checks on ball screws and linear guides.

What electrical requirements should I plan for?

Ensure a stable three-phase supply at the machine's rated voltage, proper grounding, dedicated circuit protection and sufficient inverter capacity. Consider UPS for control electronics and plan for peak inrush currents.

Are spare parts and service widely available?

Many manufacturers supply heaters, thermocouples, screws/barrels, motors and control parts. Confirm local distributor support, lead times for critical spares and options for retrofits or software updates.