Deutsch Espanol Francais Italiano Portugues Japanese Korean Arabic Russian

+86-15966835076 sales@plastmachine.cn

Facebook
Twitter
Youtube
LinkedIn
Pinterest

Qingdao Precision Machine Co., Ltd.
  • Home
  • About us
  • Products
    • PLASTIC BOARD/SHEET/FILM MACHINE
      • SPC FLOOR SHEET MACHINE
      • PVC WPC FOAM BOARD MACHINE
      • PVC WPC WALL PANEL MACHINE
      • LVT FLOORING MACHINE
      • PVC MARBLE SHEET MACHINE
      • PVC FREE FOAM BOARD MACHINE
      • PP HOLLOW BUILDING BOARD MACHINE
      • PVC RIGID SHEET MACHINE
      • PVC BAMBOO CARBON BOARD MACHINE
      • PS PP BLISTER SHEET MACHINE
      • WPC HOLLOW DOOR BOARD MACHINE
      • 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
      • PET SHEET MACHINE
      • PVC TRANSPARENT SHEET MACHINE
      • PC PMMA COMPOSITE OPTICAL SHEET MACHINE
      • PP PC HOLLOW CORRUGATED SHEET MACHINE
      • PP/PC HOLLOW GRID BOARD EXTRUSION LINE
      • PLASTIC ROOF TILE MACHINE
      • GEOMEMBRANE WATERPROOF MEMBRANE PRODUCTION LINE
      • HIGH SPEED FILM BLOWING MACHINE
      • PVC WIDE WIDTH FLOOR LEATHER MACHINERY
      • PLASTIC CUSHION MAT(CARPET)EXTRUSION LINE
      • CAST FILM MACHINE
      • EPE FOAM SHEET(FILM) EXTRUSION LINE
      • PP/HIPS/PE/PET/EVA/EVAOH SHEET MACHINE
      • XPS FOAM BOARD MACHINE
      • XPE FOAM SHEET MACHINE
      • TPU FILM PRODUCTION LINE
    • PLASTIC PROFILE MACHINE
      • PE WPC OUTDOOR PRODUCT MACHINE
      • PVC WPC INDOOR PRODUCT MACHINE
      • PVC IMITATION MARBLE PROFILE MACHINE
      • PE MICRO FOAMING BEACH CHAIR MACHINE
      • PVC PRICE TAG MACHINE
      • PVC DOOR WINDOW PROFILE MACHINE
      • PVC OUTDOOR SIDING BOARD PRODUCTION LINE
      • PVC YIN YANG CORNER PRODUCTION LINE
      • PVC PU SIDELINE EXTRUSION MACHINE
      • PVCU PROFILE EXTRUSION MACHINE
      • PLASTIC SEAL STRIP EXTRUSION LINE
      • PVC WINDOW SILL BOARD MACHINE
      • PVC HOSPITAL HANDRAIL MACHINE
      • PVC CHICKEN TROUGH MACHINE
      • PVC FOLDING DOOR MACHINE
      • PC PMMA PROFILE MACHINE
      • WPC STAIR HANDRAIL MACHINE
      • PVC WIRE TROUGH MACHINE
      • PVC WATERSTOPPER PROFILE MACHINE
      • PP PE ABS WELDING ROD MACHINE
      • PVC EDGE BANDING MACHINE
      • PS FOAM PICTURE FRAME MACHINE
      • PVC SKIRTING EXTRUSION MACHINE
      • PET SOLAR COMPOSITE FRAME PRODUCTION LINE
      • PP、PE、PVC、PC、ABS PROFILE EXTRUSION MACHINE
    • PLASTIC PIPE MACHINE
      • PVC FIBER REINFORCED PIPE MACHINE
      • PVC PU PE EVA LAYFLAT HOSE MACHINE
      • PVC WATER SUPPLY PIPE MACHINE
      • PVC PU STEEL WIRE REINFORCED HOSE MACHINE
      • PU SPIRAL STEEL WIRE REINFORCED PIPE MACHINE
      • PE PP PVC PA SINGLE-WALL CORRUGATED PIPE EXTRUSION LINE
      • LARGE DIAMETER(HDPE/MDPE)GAS/WATER SUPPLY PIPE PRODUCT LINE
      • U-PVC/C-PVC PIPE PRODUCTION LINE
      • LED LIGHT PC TUBE PRODUCTION LINE
      • MPP ELECTRIC PROTECTION PIPE MACHINE
      • PE LARGE CALIBER HOLLOW WALL WINDING PIPE PRODUCTION LINE
      • PVC PE POROUS PIPE PRODUCTION LINE
      • PE CARBON SPRING PIPE MACHINE
      • COD CABLE BUNDLE TUBE PRODUCTION LINE
      • PE SILICON CORE TUBE MACHINE
      • PPR PIPE EXTRUSION MACHINE
      • 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
      • PVC REINFORCED PIPE EXTRUSION MACHINE
      • PLASTIC BAR ROD EXTRUSION MACHINE
      • PA NYLON TUBE MACHINE
      • ABS PIPE EXTRUSION MACHINE
    • PET PP PE STRAPPING BAND MACHINE
      • PE FIBER STRAPPING MACHINE
      • PET STRAPS PRODUCTION LINE
      • PP STRAPS BAND MACHINE
    • RECYCLED PLASTIC GRANULATION MACHINE
      • PVC PELLETISING MACHINE
      • PE PP PELLETISING MACHINE
      • 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
      • FLAT FACE MASK MACHINE
      • MEDICAL MASK NOSE BRIDGE STRIP MACHINE
  • News
    • Company news
    • Industry-news
  • F.A.Q
    • SPC FLOOR SHEET F.A.Q
    • PVC WPC FOAM BOARD F.A.Q
  • Feedback
  • Contact us

Industry-news

  1. Home
  2. News
  3. Industry-news
  4. Causes and repair methods of screw barre...

Causes and repair methods of screw barrel damage

Causes and repair methods of screw barrel damage

   The cause of damage to the screw barrel

   1. The screw rotates in the barrel, and the friction between the material and the two causes the working surface of the screw and barrel to gradually wear: the diameter of the screw gradually decreases, and the diameter of the inner hole of the barrel gradually increases. In this way, the diameter gap between the screw and the barrel increases slightly as the two gradually wear out. However, since the resistance of the head and the splitter plate in front of the barrel has not changed, this increases the leakage flow rate of the extruded material when it advances, that is, the amount of material flowing from the diameter gap to the feed direction increases. As a result, the output of the extruder is reduced. This phenomenon increases the residence time of the material in the barrel, causing the material to decompose. In the case of polyethylene, the hydrogen chloride gas produced by decomposition strengthens the corrosion of the screw and barrel.

   2. If there are fillers such as calcium carbonate and glass fiber in the material, it can accelerate the wear of the screw and barrel.

   3. Because the material is not plasticized evenly, or there is metal foreign matter mixed into the material, the torque of the screw rotation increases suddenly. This torque exceeds the strength limit of the screw, causing the screw to twist. This is a very accidental damage.

  Screw repair

   1. The twisted screw should be considered according to the actual inner diameter of the barrel, and manufactured according to the deviation of the outer diameter of the new screw given by the normal clearance with the barrel.

   2. After the thread surface of the abrasion screw diameter is reduced, the wear-resistant alloy is sprayed at high temperature, after grinding the edging, trimming, polishing the tooth bottom and matching the barrel, the service life can reach more than 98%.

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


Related News

The relationship between plastic corrugated pipe and PA corrugated pipe, PE corrugated pipe, PP corrugated pipe

The relationship between plastic corrugated pipe and PA corr

THE HISTORY OF PVC WPC FOAM BOARD MACHINE

THE HISTORY OF PVC WPC FOAM BOARD MACHINE

Do you know the purpose of wood plastic products

Do you know the purpose of wood plastic products

PVC foam board gives you different comfort

PVC foam board gives you different comfort

Precautions for decoration with bamboo wood fiber integrated wallboard

Precautions for decoration with bamboo wood fiber integrated

the flexibility report of XPS foam board

the flexibility report of XPS foam board

Product Categories

  • 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
    • PVC FREE FOAM BOARD MACHINE
    • PP HOLLOW BUILDING BOARD MACHINE
    • PVC RIGID SHEET MACHINE
    • PVC BAMBOO CARBON BOARD MACHINE
    • PS PP BLISTER SHEET MACHINE
    • WPC HOLLOW DOOR BOARD MACHINE
    • 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
    • PET SHEET MACHINE
    • PVC TRANSPARENT SHEET MACHINE
    • PC PMMA COMPOSITE OPTICAL SHEET MACHINE
    • PP PC HOLLOW CORRUGATED SHEET MACHINE
    • PP/PC HOLLOW GRID BOARD EXTRUSION LINE
    • PLASTIC ROOF TILE MACHINE
    • GEOMEMBRANE WATERPROOF MEMBRANE PRODUCTION LINE
    • HIGH SPEED FILM BLOWING MACHINE
    • PVC WIDE WIDTH FLOOR LEATHER MACHINERY
    • PLASTIC CUSHION MAT(CARPET)EXTRUSION LINE
    • CAST FILM MACHINE
    • EPE FOAM SHEET(FILM) EXTRUSION LINE
    • PP/HIPS/PE/PET/EVA/EVAOH SHEET MACHINE
    • XPS FOAM BOARD MACHINE
    • XPE FOAM SHEET MACHINE
    • TPU FILM PRODUCTION LINE
  • PLASTIC PROFILE MACHINE
    • PE WPC OUTDOOR PRODUCT MACHINE
    • PVC WPC INDOOR PRODUCT MACHINE
    • PVC IMITATION MARBLE PROFILE MACHINE
    • PE MICRO FOAMING BEACH CHAIR MACHINE
    • PVC PRICE TAG MACHINE
    • PVC DOOR WINDOW PROFILE MACHINE
    • PVC OUTDOOR SIDING BOARD PRODUCTION LINE
    • PVC YIN YANG CORNER PRODUCTION LINE
    • PVC PU SIDELINE EXTRUSION MACHINE
    • PVCU PROFILE EXTRUSION MACHINE
    • PLASTIC SEAL STRIP EXTRUSION LINE
    • PVC WINDOW SILL BOARD MACHINE
    • PVC HOSPITAL HANDRAIL MACHINE
    • PVC CHICKEN TROUGH MACHINE
    • PVC FOLDING DOOR MACHINE
    • PC PMMA PROFILE MACHINE
    • WPC STAIR HANDRAIL MACHINE
    • PVC WIRE TROUGH MACHINE
    • PVC WATERSTOPPER PROFILE MACHINE
    • PP PE ABS WELDING ROD MACHINE
    • PVC EDGE BANDING MACHINE
    • PS FOAM PICTURE FRAME MACHINE
    • PVC SKIRTING EXTRUSION MACHINE
    • PET SOLAR COMPOSITE FRAME PRODUCTION LINE
    • PP、PE、PVC、PC、ABS PROFILE EXTRUSION MACHINE
  • PLASTIC PIPE MACHINE
    • PVC FIBER REINFORCED PIPE MACHINE
    • PVC PU PE EVA LAYFLAT HOSE MACHINE
    • PVC WATER SUPPLY PIPE MACHINE
    • PVC PU STEEL WIRE REINFORCED HOSE MACHINE
    • PU SPIRAL STEEL WIRE REINFORCED PIPE MACHINE
    • PE PP PVC PA SINGLE-WALL CORRUGATED PIPE EXTRUSION LINE
    • LARGE DIAMETER(HDPE/MDPE)GAS/WATER SUPPLY PIPE PRODUCT LINE
    • U-PVC/C-PVC PIPE PRODUCTION LINE
    • LED LIGHT PC TUBE PRODUCTION LINE
    • MPP ELECTRIC PROTECTION PIPE MACHINE
    • PE LARGE CALIBER HOLLOW WALL WINDING PIPE PRODUCTION LINE
    • PVC PE POROUS PIPE PRODUCTION LINE
    • PE CARBON SPRING PIPE MACHINE
    • COD CABLE BUNDLE TUBE PRODUCTION LINE
    • PE SILICON CORE TUBE MACHINE
    • PPR PIPE EXTRUSION MACHINE
    • 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
    • PVC REINFORCED PIPE EXTRUSION MACHINE
    • PLASTIC BAR ROD EXTRUSION MACHINE
    • PA NYLON TUBE MACHINE
    • ABS PIPE EXTRUSION MACHINE
  • PET PP PE STRAPPING BAND MACHINE
    • PE FIBER STRAPPING MACHINE
    • PET STRAPS PRODUCTION LINE
    • PP STRAPS BAND MACHINE
  • RECYCLED PLASTIC GRANULATION MACHINE
    • PVC PELLETISING MACHINE
    • PE PP PELLETISING MACHINE
    • 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
    • FLAT FACE MASK MACHINE
    • MEDICAL MASK NOSE BRIDGE STRIP MACHINE

Links

Company Facebook PageCompany Youtube Chanel

内页左侧广告1

LatestPost

  • PVC WPC FOAM BOARD FUNCTION
    PVC WPC FOAM BOARD FUNCTION
    2020-04-28
  • Briefly describe the technical measures and novel advantages of the hole forming of the prestressed plastic corrugated pipe equipment
    Briefly describe the technical measures
    2021-08-12
  • take you to learn the history of plastic extrusion machine
    take you to learn the history of plastic
    2023-03-24

Feedback

Contact Us

008615966835076

+86-15966835076

sales@plastmachine.cn

sales_edison

Qingdao City Shandong Province China

My WhatsApp

Copyright © 2023 Qingdao Precision Machine Co., Ltd. All Rights Reserved.

  • Skype.
  • E-mail
  • Whatsapp
  • Inquiry