Special 7*7 bridge transmission chain for machine tools Silent steel wire cable chain Nylon drag chain

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Special 7*7 bridge transmission chain for machine tools

The Special 7*7 bridge transmission chain for machine tools is a high-quality and reliable product designed to meet the specific needs of machine tool applications. It is made with durable materials and advanced technology to ensure superior performance and longevity.

Features and Benefits

  • Enhanced Protection: The chain provides excellent protection for cables and hoses, safeguarding them from wear and tear.
  • Improved Wear Resistance: With its silent steel wire cable and nylon construction, the chain offers exceptional resistance to abrasion, ensuring long-lasting durability.
  • Reduced Maintenance Requirements: The chain's design minimizes the need for frequent maintenance, saving time and effort.
  • Enhanced Safety: It enhances workplace safety by preventing cable damage and reducing the risk of accidents.
  • Versatile Adaptability: The chain is highly adaptable and can be used in various industries and applications.
  • Cost Reduction: By protecting cables and hoses, the chain helps avoid costly repairs and replacements, resulting in cost savings.

Working Principle

The Special 7*7 bridge transmission chain for machine tools operates by smoothly guiding and supporting cables and hoses as the machine tools move. This ensures that the cables remain protected and prevent interference with the machine's operation.


This drag chain is widely used in various industries such as manufacturing, automation, robotics, and CNC machining. It is particularly beneficial in applications where frequent cable movement and protection are required.

What is Drag Chain?

Drag Chain, also known as cable chain or energy chain, is a flexible protective mechanism used to manage and guide cables and hoses. It consists of a series of connected links that allow the cables to move smoothly while providing support and protection.

Basic Structure and Design

The drag chain is typically composed of individual links made of durable materials such as nylon, plastic, or metal. These links are interconnected to form a flexible chain that can bend and move in various directions. The design allows for easy installation and maintenance of cables and hoses.

Wide Application in Various Industries

Drag Chain finds extensive use in industries such as manufacturing, automation, robotics, CNC machining, packaging, and many more. It is employed in applications where cables and hoses need to be protected, guided, and organized to ensure smooth operation and prevent damage.

Main Functions and Cable/Line Protection

The primary function of Drag Chain is to protect cables and hoses from external elements, such as dust, debris, and mechanical stress. It acts as a shield, preventing the cables from tangling, kinking, or getting damaged during machine movements. This protection helps to extend the lifespan of cables and ensures their uninterrupted functionality.

Materials Used in Drag Chain Manufacturing

Drag Chains are commonly made from various materials, including nylon, plastic, and metal. Nylon chains offer excellent durability, flexibility, and resistance to abrasion. Plastic chains are lightweight and corrosion-resistant, making them suitable for specific applications. Metal chains provide exceptional strength and rigidity, ideal for heavy-duty applications.

Manufacturing Process and Techniques

The production of Drag Chains involves several steps and processes. It typically begins with material selection and preparation, followed by the molding or extrusion of chain links. These links are then assembled and connected to form a continuous chain. The final product undergoes quality control inspections to ensure its performance and reliability.

Impact of Material and Manufacturing Techniques on Performance

The choice of material and manufacturing techniques significantly affects the performance of Drag Chains. Different materials offer varying degrees of durability, flexibility, and resistance to environmental factors. The manufacturing techniques employed determine the quality and precision of the final product. It is crucial to select the appropriate materials and techniques based on the specific requirements of the application.

Choosing the Right Drag Chain for Your Application

Selecting the suitable Drag Chain involves considering several factors, such as the application requirements, environmental conditions, load capacity, and movement range. It is essential to assess the cable and hose sizes, flexibility needs, and the expected range of motion to ensure optimal performance and longevity.

Installation Steps and Precautions

When installing a Drag Chain, follow these steps:

  1. Plan the routing path for the chain, considering the cable length and range of motion.
  2. Open the chain and thread the cables or hoses through the links.
  3. Close the chain and secure the ends properly.
  4. Attach the chain to the machine or equipment using suitable mounting brackets.
  5. Ensure the chain moves smoothly and that the cables or hoses are not excessively strained or twisted.


  • Avoid exceeding the maximum load capacity of the chain.
  • Regularly inspect and clean the chain to remove any debris or obstructions.
  • Monitor the chain's condition and replace any damaged or worn-out links promptly.

About Our Company

We are a leading company in the Chinese chain market, specializing in the production and supply of various chain products. Our product range includes drag chain, flexible chain, plastic drag chain, bushchains, plastic chains, tabletop chain, multiflex chain, and more. With our state-of-the-art fully automated CNC production facilities and assembly equipment, we ensure the highest quality standards and efficient manufacturing processes.

At our company, we pride ourselves on delivering superior products backed by competitive prices and excellent customer service. We welcome customers to provide us with their specific requirements for customized solutions. You can rely on our expertise and commitment to meet your chain-related needs.

For more information or inquiries, please contact us. We look forward to serving you!