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  4. Quality requirements for making barrel s...

Quality requirements for making barrel screws

Quality requirements for making barrel screws

   A screw barrel must first be able to produce products that meet the quality requirements.
  The so-called screw barrel quality requirements mean that the products produced should meet the following requirements:
   1. Various performances that meet the requirements. Have physical, chemical, mechanical, and electrical properties that meet the requirements;
   2. It has the apparent quality that meets the requirements. If you can meet the user's requirements for bubbles, crystal points, uniformity of dyeing and dispersion, etc.;
   3. The plasticizing quality of the screw with satisfactory requirements:
   1) Whether the temperature of the melt extruded by the screw barrel is uniform, and how much the axial fluctuation and radial temperature difference are.
   2) Is there a minimum melt temperature that can be formed.
   3) Is there pressure fluctuation in the melt extruded by the screw barrel. Whether the dispersion of dyeing and other additives is uniform.
   The adaptability of the screw barrel refers to the adaptability of the screw to processing different plastics, matching different heads and different products. Generally speaking, the stronger the adaptability, the lower the plasticizing efficiency.

If you want to know more about it please do not hesitate to contact me. WhatsApp:+86-15966835076.


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  • PLASTIC BOARD/SHEET/FILM MACHINE
    • PVC WPC FOAM BOARD MACHINE
    • SPC FLOOR SHEET MACHINE
    • PVC WPC WALL PANEL MACHINE
    • LVT FLOORING MACHINE
    • PVC MARBLE SHEET MACHINE
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    • PP HOLLOW BUILDING BOARD MACHINE
    • PVC RIGID SHEET MACHINE
    • PVC BAMBOO CARBON BOARD MACHINE
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    • PE OCEAN PEDAL EXTRUSION MACHINE
    • PE GAS WARNING BOARD MACHINE
    • PVC CO EXTRUSION SHEET MACHINE
    • PE PAVING BOARD MACHINE
    • PP PE CUTTING BOARD MACHINE
    • PE PP CAP BRIM SHEET MAKING MACHINE
    • PP CO EXTRUSION SHEET MACHINE
    • PVC HOLLOW FENCE BOARD PRODUCTION LINE
    • PP PE PS ABS SHEET MACHINE
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  • PLASTIC PROFILE MACHINE
    • PE WPC OUTDOOR PRODUCT MACHINE
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    • PVC OUTDOOR SIDING BOARD PRODUCTION LINE
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    • PVC PU SIDELINE EXTRUSION MACHINE
    • PVCU PROFILE EXTRUSION MACHINE
    • PLASTIC SEAL STRIP EXTRUSION LINE
    • PVC WINDOW SILL BOARD MACHINE
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    • PVC CHICKEN TROUGH MACHINE
    • PVC FOLDING DOOR MACHINE
    • PC PMMA PROFILE MACHINE
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  • PLASTIC PIPE MACHINE
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    • PU SPIRAL STEEL WIRE REINFORCED PIPE MACHINE
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    • COD CABLE BUNDLE TUBE PRODUCTION LINE
    • PE SILICON CORE TUBE MACHINE
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    • ALUMINUM-PLASTIC COMPOSITE PIPE PRODUCTION LINE
    • PEX/PERT HEAT-RESISTANT FLOOR HEATING PIPE MACHINE
    • PE PRESTRESSED CORRUGATED PIPE MACHINE
    • PVC TPU MECIAL TUBE EXTRUSION MACHINE
    • PE AERATION TUBE MACHINE
    • METAL PRESTRESSED CORRUGATED PIPE MACHINE
    • HDPE THREADING PIPE MACHINE
    • HDPE/PP/PVC DOUBLE WALL CORRUGATED PIPE MACHINE
    • PU TUBE MACHINE
    • PP 3LAYER CO EXTRUSION SILENT PIPE MACHINE
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  • PET PP PE STRAPPING BAND MACHINE
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    • PP STRAPS BAND MACHINE
  • RECYCLED PLASTIC GRANULATION MACHINE
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    • PE PP WPC GRANULE MAKING MACHINE
  • THE POLYMER MATTRESS CUSHION PILLOW MACHINE
  • BIODEGRADABLE PLASTICS MACHINERY
  • PLASTIC EXTRUSION AUXILIARY MACHINE
  • PLASTIC EXTRUDER
  • LAMINATING AND HOT STAMPING MACHINE
  • BOARD PROFILE UV PAINTING MACHINE
  • PLASTIC MONOFILAMENT MACHINE
  • PLASTIC NET MACHINE
  • MELTBLOWN CLOTH MACHINE
  • PLASTIC PRODUCT
  • FACE MASK MACHINE
    • N95 KN95 FACE MASK MACHINE
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    • MEDICAL MASK NOSE BRIDGE STRIP MACHINE

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