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Custom Plastic Parts

Plastic Injection Parts refer to precision plastic components formed by injecting molten plastic into the mold cavity under high pressure, cooling and solidifying it, commonly known as "plastic injection parts" or "plastic injection parts" in Chinese.
  • Custom Plastic Parts

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Features of Inject Plastic Mold


Plastic Injection Manufacturing Title:

Professional Manufacturer plastic & rubber machinery parts extruded plastic parts


Injection molding is a method of industrial product production molding, mainly used for manufacturing plastic or rubber products. Its core is to inject molten raw materials into the mold cavity for cooling and solidification molding. Injection molded parts are characterized by standardized geometric shapes and high surface smoothness, meeting the precision requirements of industrial assembly.


injection plastic part


The injection molding process relies on precision molds and injection molding machine equipment. Plastic particles (such as ABS, PP, etc.) heated to melt are injected into a closed mold through high pressure, and after pressure holding and cooling, they are demolded to obtain the finished product. 


Key steps in manufacturing process:


Melting stage: Plastic particles are heated in the hopper to a molten state.


Injection stage: The melt is injected into the closed mold at high speed under high pressure.


Cooling solidification: After the plastic inside the mold cools and solidifies, it is demolded to form the final part.


The process relies on precision molds (such as thermoplastic injection molds) and parameter control (such as pressure and temperature) to ensure dimensional stability

plastic parts injection molding

Whether you need the optical purity of medical grade transparent parts or the integrated molding of multi-color textures for automotive interiors, our intelligent injection molding system can achieve millimeter level precision control. By combining modular processes (from gas assisted to micro foaming), while ensuring mechanical indicators such as impact resistance and weather resistance;

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Core advantages:

Repeatability: Metal molds ensure high consistency of parts during mass production, making them suitable for large-scale manufacturing.


Cost effectiveness: The initial mold cost is relatively high, but the single piece cost is significantly reduced during mass production.


Material adaptability: compatible with various plastics (such as ABS, polypropylene, nylon), supporting rigid or flexible component requirements.

plastic injection parts


Main application areas:

Widely used in the automotive industry (such as door substrates, seat components), electronic components (such as circuit board housings), consumer product packaging, and industrial assembly parts, emphasizing lightweight and high reliability.


plastic machinery parts


Plastic Injection Parts Inspection


Dimensional inspection

Dimensional inspection is the technical core of quality control for injection molded parts, requiring professional measuring equipment (such as coordinate measuring machines, projectors, calipers, etc.) and strong technical analysis skills.


In contrast, visual inspection focuses on the intuitive evaluation of product surface features:

Color and Gloss: Verify whether the product color and surface glossiness are completely consistent with the standard sample (main sample) to ensure visual consistency;


plastic injection manufacturing


Surface defect identification: including the detection of common injection molding defects such as shrinkage marks, flash marks, weld marks, bubbles, scorch marks, and silver lines;


Surface smoothness evaluation: Check whether the surface roughness meets the design requirements;

Integrity of identification: Confirm the clarity and positional accuracy of printed or engraved content such as nameplates, text, patterns, etc;


Notes:

Plastic part machining parts pom plastic display:

custom injection mold plastic parts



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