• Plastic Injection Molding

  • IQ-Enterprises (IQE) is a premium manufacturing firm, located in Indianapolis, Indiana, and in China. Established in 2004, IQE supplies high quality and low cost custom plastic injection molding parts and plastic injection mold. Injection molded parts are handled with great care to meet required dimensions and surface finish. IQE also offers engineering services and secondary operations, such as: painting, printing, ultrasonic welding, etc. We also provide custom plastic extrusion.

    Communication, Quality, On-Time Delivery: In the US, we handle your project from beginning to end. We communicate design ideas, and convert all standards via bilingual Engineers to help work through all other challenges to make sure we exceed your quality, service and financial goals. Quality, on-time delivery and customer satisfaction is the goal of our service. IQE’s quality management team in China checks the product quality at each stage in the production process to make sure the product meets the specifications before shipping. Based on request, we deliver your product to your dock or may stock your product in North America. ISO9001-2000 certificated. 

  • Plastic injection molding equipment list

    Machine Name
    Specification
    Quantity (set/piece)
    Plastic injection molding machines
    1600ton (10000g)
    1
    800ton (2800g)
    1
    500ton (1800g)
    1
    250ton (510g)
    2
    125ton (200g)
    3
    80ton (100g)
    2
    Ultrasonic welding

    Power: 2000W; Frequency:20KHZ

    1
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    Molding plastics machine ( 10000g)
    Molding plastics machine (2800g)

     

  • Commonly used plastic resin:

    PVC HDPE
    Acrylic (PMMA) LDPE
    PC (Polycarbonate) PBT
    ABS (Acrylonitrile Butadiene Styrene) PEEK (Polyetheretherketone)
    Nylon PET (Polyester)
    PETG PP (Polypropylene)
    HIPS (Polystyrene)  PPS (Polyphenylene sulfide)
    Polysulfone PTFE
      POM (acetal)
  • Plastic injection molding technical data and secondary operations

    Rib thickness and rib height
    Rib thickness is recommended to be 60% to 80% of nominal wall thickness;
    Rib height is recommended to be 3-4 times of nominal wall thickness;
    Plastic injection mold draft
    0.5 -2 degree for the wall side which shrinks onto the mold in part releasing
    Plastic injection molded part wall thickness consideration
    uniform wall thickness is recommended to reduce Sink marks, Residual stresses, Voids, Warpage. 
    0.06" - 0.16" is considered to be normal wall thickness range.
    Plastic injection mold construction
    Steel Mold life (roughly estimated) Steel hardness
    H13  1 M  52-54 HRC 
    738  0.8 ~ 1 M   45-50 HRC
    718  0.8 M  45-48 HRC
    P20  0.5 M   30-35 HRC
    1045 (less used)  0.3 M  > 22HRC
    Normal lead time
    Tooling and sample: 3 weeks - 5 weeks. 
    Complicated parts take longer.
    Secondary operations
    Painting
    Screening Printing and Pad printing, 
    Ultrasonic welding
    Machining
    Assembly



  • Engineering assistance

    Engineering: Based on request, IQE can provide the following services for our customers:
    - CAD model development from your sample;
    - Stress analysis, which helps in knowing whether the design is adequate and optimized,and what changes are needed, before the physical part is made;
    -Some Mechanical and Chemical Lab tests for your prototype part.

  • Impact simulation of a cone shaped plastic cushion

    Impact simulation of a cone shaped plastic cushion

  • Main products

    TV plastic cabinet, Air conditioner plastic part, Air fresher machine parts, Mobile phone cover, Medical plastic parts, Automatic pool covers plastic parts

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