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Sprocket
Spare Parts For Injection Machine

Sprocket

This sprocket is designed for the transfer section between the injection molding machine and the blow-molding unit. Its main function is to guide PET Preforms smoothly into the heating oven, keeping each preform in the correct position and spacing as the line moves toward the blowing stage. With a compact structure and reliable engagement, the sprocket helps maintain stable production, reduces unnecessary stops, and supports consistent bottle quality in continuous operations.

  • Dimension: 169 × 50 mm
  • Function: Drives the preform conveying chain
  • Material: Wear-resistant engineering material suitable for long-term, heated environments
  • System Compatibility: Fits most standard PET preform heating and transfer assemblies

Key Benefits

Smooth and Steady Transfer

Each tooth is shaped to match the chain precisely, helping the preforms move in a steady rhythm without tilting or slipping.

Built for Heat and Continuous Load

The material keeps its strength near the heating zone and performs reliably during long production shifts.

High Machining Accuracy

Controlled tolerances help reduce noise, vibration, and unexpected wear on the preform chain system.

Better Heating Consistency

By keeping the spacing uniform, the sprocket supports more even heating, which contributes to stable bottle forming downstream.


How It Works

As the chain rotates, the sprocket engages with each link and pulls the preforms toward the heating oven. Because the teeth maintain equal spacing, the preforms stay upright and aligned. This controlled motion ensures every preform enters the oven at the correct speed and position, allowing for predictable heating before entering the blow-molding machine.

Applications

PET bottle manufacturing lines
Beverage, water, oil, and household-product packaging factories
Integrated injection + blow molding systems
Preform heating and transfer modules

sprocket-for-heating-oven-transfer-system
sprocket-chain-engagement-structure

Contact Us

FOSHAN BAIJINYI PRECISE TECHNOLOGY CO., LTD., founded in 2011, focuses on PET molds, precision machining, and components used throughout PET bottle production lines.
Choosing our sprocket means you benefit from:
Rich experience in PET molding systems
Strict quality control standards
Fast delivery and stable part performance
Support for custom sizes, materials, and special equipment layouts
More information is available on our official website: www.bjypetmold.com

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