barrel for twin screw pelletizing machine
barrel for Double screw pelletizing machine
barrel for plastic twin screw extruder

Cilindro de la extrusora

On the path of plastic modification and blending extrusion, the lifespan of the extruder barrel serves as a barometer of profitability. More importantly, we provide rapid surveying and mapping as well as reverse engineering services. Simply provide us with your old cylinder remnants or drawing numbers, and we can accurately reproduce them.

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Parámetros del producto
Tipo Precision Diameter & Length Material Hardness(HRC) Production cycle
Standard ±0.1mm Check below 45#/ 38CrMoAl/ ect. 50~68 1~15Days
Non-standard ±0.1mm Customization 45#/ 38CrMoAl/ ect. 50~68 7~50Days

Plastic Extruder Barrel Type

Classified by function:

Open the barrel of the twin/triple screw extruder

  • Feeding barrel
  • Exhaust barrel
  • Liquid injection barrel
  • Side feeding barrel

Closed barrel of twin/triple screw extruder

  • Mixed closed-end barrel and extrusion barrel

 

 

Extruder Barrel Parameters

Standardize the barrel size and parameters, and refer to and choose them.

plastic extruder barrel size

Tipo Size/ L*W*H(mm) Inner diameter/φ（mm） Center distance/D(mm)
MT36 150*160*140 36 30
MT40 160*175*145 41.6 34.5
MT50 190*190*150 51 42
MT52 210*200*155 52 43
MT65 240*210*170 63 52
MT75 290*260*200 71.8 60
MT95 360*310*240 94 78

 

 

Common Barrel Materials

  1. 38CrMoAla: High hardness, corrosion resistance, mainly used in PET sheets, characterized by being hard on the outside and soft on the inside, and corrosion resistance.
  2. Hastelloy alloy: Highly corrosion-resistant, generally used as a whole, applied to fluoroplastics.
  3.  316L, with super corrosion resistance and rust prevention, is mainly used for extrusion in the food industry.
  4. Cr26, Cr12MoV: ultra-high chromium powder alloy, a highly wear-resistant bushing with an extremely high cost-performance ratio.
  5. Powder nickel-based alloy: a hard-face alloy material with excellent wear resistance, featuring both wear and corrosion resistance, and offering high cost-effectiveness.
  6.  Imported powder metallurgy: It still exhibits ultra-high wear resistance and corrosion resistance in corrosive and abrasive environments.

 

 

Customization Process For Barrel

  1. Provide material specifications or material requirements.
  2. Provide drawings or samples.
  3. Review drawings or samples, and discuss parameter details
  4.  Provide a quotation and production cycle.
  5. Make payment and arrange production
  6. Inspection, packaging, and shipment

 

We specialize in localizing core components. From large-scale modification plants to laboratory granulation lines, we have successfully operated over 6,000 sets of barrels. We guarantee that every barrel we deliver comes with a material testing report and concentricity measurement data, and offers an extended warranty period.

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