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Injection Unit — Product Gallery
Injection Unit 1
Injection Unit 2
Injection Unit 3
Frequently Asked Questions
1
What is an Injection Unit and what is its primary function?
An injection unit is a core component of an injection molding machine responsible for melting raw plastic material and injecting it into the mold cavity under high pressure. It ensures precise control of shot volume, injection speed, and melt temperature to produce consistent, high-quality parts.
2
What types of materials can the Injection Unit process?
The injection unit is compatible with a wide range of thermoplastic materials, including PP, PE, ABS, PC, nylon (PA), POM, PET, and engineering-grade polymers. Specialized configurations are also available for processing high-temperature or reinforced materials.
3
How does the Injection Unit ensure consistent shot accuracy?
The injection unit uses a precision screw-and-barrel assembly combined with closed-loop servo control systems to monitor and adjust injection pressure, speed, and position in real time. This guarantees repeatable shot weights and dimensional accuracy across every production cycle.
4
What maintenance is required for the Injection Unit?
Regular maintenance includes periodic inspection and cleaning of the screw, barrel, and nozzle to prevent material degradation buildup. Lubrication of moving components, checking heater bands, thermocouples, and hydraulic or servo systems should also be performed according to the manufacturer's recommended service intervals.
5
Can the Injection Unit be customized for specific production requirements?
Yes. Injection units can be configured with different screw geometries, L/D ratios, and shot capacities to suit specific applications. Options such as vented barrels for moisture-sensitive materials, special coatings for abrasive compounds, and multi-component injection setups are available upon request.
6
What are the key performance indicators to evaluate an Injection Unit?
Key performance indicators include injection pressure capacity (bar/psi), screw diameter and stroke, shot weight (grams), plasticizing rate (kg/h), and injection speed (mm/s). These parameters determine the machine's suitability for a given part size, material, and cycle time requirement.