Scan the WeChat code to contact us
Contact Form

PET,PP strapping (plastic-steel strapping) screw

PRODUCT PARAMETERS

  • Application:PET/PP strapping production line
  • Place of Origin:Zhejiang,China
  • Brand Name:JED
  • Specifications: Φ 35mm~ Φ 160mm
  • Material:38CrMoAlA
  • Process:nitriding & bimetallic
  • Nitrided Hardness:HV900-HV1000
  • Nitrided Case Depth:0.45-0.8mm
  • Nitrided Brittleness:Less than Grade 2
  • Surface Roughness:Ra 0.4
  • Screw Straightness:R0.015mm
  • Length diameter ratio:1: (24-33)
  • bimetallic :alloy layer 2-2.5
Description
FAQs
Request A Quote

Description

The screw design of a PET/PP strapping production line directly impacts the plasticizing effect and product quality. Key features and technical points are outlined below:

1.Screw Parameters and Structural Design

  • For PET raw materials, a screw design with an adjustable aspect ratio and structure is used to accommodate the processing requirements of different raw materials (such as waste PET bottle flakes), ensuring uniform plasticizing and low energy consumption. A vented screw can also be used.
  • For PP raw materials, the screw can be designed as a BM type with a barrier structure, depending on the raw material, ensuring uniform plasticizing and low energy consumption. A vented screw can also be used.
  • Some equipment addresses insufficient plasticizing by optimizing the screw combination, such as adjusting temperature or speed to increase barrel fill and stabilize die pressure.
  • JED has extensive experience in screw and barrel production for strapping (plastic-steel strapping) and has received praise from numerous domestic and international customers.

2.Stretching System Integration

  • Some production lines incorporate PET/PP film stretching concepts into the screw rear section design, combining infrared heating and stretching rollers to achieve more uniform stretching and enhance strapping toughness.

3. Common Problems and Solutions

  • Feeding Blockage: This may be caused by raw material agglomeration or excessive lubricant. Check the feeding system and adjust the formulation.
  • Poor Plasticization: This can be corrected by increasing the temperature, replacing the die, or optimizing the screw assembly.

4.Intelligent Control

  • The advanced production line is equipped with a PLC intelligent control system that monitors melt temperature, pressure, and other parameters in real time to ensure stable screw operation.

FAQs

Product Category:

Sheet extruder screw cylinderBlow film extruder screw barrelBlow molding extruder screw barrelRecycling granulation extruder screw cylinder
Wire and cable extruder screwPlastic steel strip extruder screw barrelWire drawing extruder screw barrelFilm coated extruder screw barrel
Cast film extruder screw tubePlate extruder screw barrelSpinning extruder screw barrelConical twin-screw tube
Parallel twin-screw barrelInjection molding machine screw cylinderFood extruder screw tubeChemical extruder screw barrel
Non standard screw cylinderCustomized extruder

If some screw products do not have a list, please feel free to contact us by email and we will reply within 24 hours!

We can quickly reach any country and region through sea freight, air freight, international express delivery, and other transportation methods. We have stock of standard sized screws and barrels, and once confirmed by the customer, they can be delivered within 5-7 days.

We have many experienced engineers who can quickly customize various types and types of screw barrel according to customer requirements. Before produce, technical will check every detail with salesman according with clients’ request. Under produce, every step will be inspected before next process. And every salesman will follow some time to make sure 100% correct and reduce communication error and work undelay. We put quality at a high level and the price is middle level.

Our sales team is familiar with the production and export processes and has nearly 10 years of customer service experience. Every salesperson can ensure that the customer’s requirements and our screw barrel are 100% accurate in production details. We will solve any cargo issues until the customer is satisfied.

REQUEST A QUOTE

REQUEST A QUOTE