FHG Servo Motor Injection Molding Machine 100ton-1680ton - High-Efficiency Factory and Suppliers in China
● Injection Unit
Injection Unit — Product Overview
Injection Unit
Injection Unit — View 01
Injection Unit — View 02
Frequently Asked Questions
What is an injection unit in an injection molding machine?
The injection unit is the core component of an injection molding machine responsible for melting plastic material and injecting it into the mold cavity under controlled pressure and speed. It typically consists of a hopper, barrel, screw, and nozzle.
What materials can the injection unit process?
The injection unit is designed to process a wide range of thermoplastic materials, including PP, PE, ABS, PVC, PC, nylon, and many engineering-grade resins, depending on the barrel and screw configuration.
How does the injection unit ensure consistent shot weight?
Precise screw positioning, closed-loop pressure and velocity control, and accurate back-pressure settings work together to ensure consistent and repeatable shot weight during every injection cycle.
What maintenance does the injection unit require?
Regular maintenance includes cleaning the screw and barrel, inspecting the check ring and nozzle for wear, lubricating moving components, and checking heater bands and thermocouples for proper operation to ensure long service life.
Can the injection unit be customized for special applications?
Yes, the injection unit can be configured with specialized screws and barrels for applications such as glass-fiber-reinforced materials, high-temperature resins, or optical-grade plastics, ensuring optimal performance for specific production requirements.
What safety features are included in the injection unit?
The injection unit incorporates multiple safety mechanisms, including over-pressure protection, temperature limit alarms, emergency stop functions, and safety guards around the nozzle and barrel area to protect operators during production.