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

News

  1. Home
  2. News
  3. Briefly describe the reasons and solutio...

Briefly describe the reasons and solutions for the rough surface and pitting in the production process of PE water supply pipe production line

Briefly describe the reasons and solutions for the rough surface and pitting in the production process of PE water supply pipe production line

  What are the reasons for the rough surface and pitting in the PE pipe production process? What are the solutions?

 Based on work experience, the editor introduces several reasons and solutions for the pitting of PE pipes in the production process, hoping to help pipe manufacturers.

  The reason for the rough surface and pitting during the production of PE pipes on the PE water supply pipe production line may be due to the fact that the mesh number of the screen changer is too small when the PE material is pelletized. Many reasons, such as improper water flow in the shaping jacket or impurities in the water.

  1. Because the heating time of the raw materials in the machine head or barrel is too long, the machine head and barrel are not clean, or the processing temperature is too high, or the screw is damaged, it is easy to produce aging materials, and large pits will be formed during the extrusion process. Especially when the backing material is added, the crushing material should be stopped for about 1.5 hours. If the machine does not start within 4 hours after stopping, the temperature should be quickly reduced to 150-200 ℃ to minimize the degree of decomposition of raw materials, and attention should be paid to check whether the processing temperature meets the extrusion requirements.

  2. When the raw material is wet, small bubbles will be generated on the surface of the PE pipe after molding, forming pits. It is observed that the pit has a small tail, which is formed by stretching in the opposite direction of the extrusion. At this time, the raw materials should be dried or degassed.

PE water supply pipe production line

3. Pitting corrosion will also occur when there are impurities that are difficult to plasticize in the raw materials. When this kind of pitting corrosion is large, the impurities in the middle of the pitting corrosion can be seen.



4. In the raw materials, the crystallization point components that are difficult to plasticize will also cause pitting corrosion. At this time, it is necessary to increase the processing temperature or replace the raw materials.



5. The uneven water volume of the forming sleeve will cause pitting corrosion on the pipe surface. This phenomenon exists more or less in pipelines of various specifications above φ315. The reason is that as the diameter increases, the distribution of cooling water in the forming sleeve is more affected by gravity. The greater the amount of cooling water required, the more difficult it is to form a complete water film. The water flow of each water inlet pipe should be adjusted to appropriately increase the upper water flow or increase the water flow of the part with poor cooling effect.



6. The blockage of the cooling channel of the condensing sleeve leads to irregular water volume, which will lead to the regular distribution of pitting corrosion, and sometimes line up in a straight line on the pipe surface. In this case, the pores of the regulating channel should be cleared to ensure uniform film formation of the cooling water, thereby avoiding pitting corrosion.

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


Related News

Why are pla straws popular?

Why are pla straws popular?

Precautions when using fire belts

Precautions when using fire belts

Excellent performance of layflat mud hose

Excellent performance of layflat mud hose

do you know pvc pu steel reinforced soft pipe?

do you know pvc pu steel reinforced soft pipe?

PVC steel reinforced pipe specification

PVC steel reinforced pipe specification

What are the advantages of the pla straw production line?

What are the advantages of the pla straw production line?

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