Heavy-Duty CNC Machining Center Main Frame | Precision Welded Steel Machine Base
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Heavy-Duty CNC Machining Center Main Frame | Precision Welded Steel Machine Base

This is the main frame structure of a CNC machining center, manufactured with a heavy-duty welded steel body to ensure outstanding rigidity, stability, and machining accuracy.
All key surfaces are precision-machined after stress-relief treatment, and the entire frame is coated with an industrial protective paint finish for long-term durability.
Designed to support high-precision linear guides, ball screws, and spindle columns, this frame ensures excellent dynamic performance for CNC machining applications.
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Featured Section

• High-rigidity welded steel structure ensures machining stability
• Stress-relief treated body for long-term dimensional accuracy
• Precision machined guideway mounting surfaces
• Suitable for high-speed linear guides, ball screws & gantry systems
• Industrial-grade anti-corrosion paint coating


✅ 1.Description 

Product Overview

This CNC machining center main frame is engineered for high-precision industrial equipment.
Constructed from thick-wall steel plates and full-penetration welding, the frame provides exceptional rigidity and vibration resistance—critical for high-accuracy CNC machining applications.

After welding, the entire structure undergoes stress-relief heat treatment to minimize deformation, followed by precision CNC machining on all functional surfaces, ensuring the installation accuracy of linear rails, ball screws, and spindle columns.

Key Features

  • Heavy-duty welded steel construction
    Delivers outstanding stiffness and load-bearing performance.

  • Stress-relief heat treatment
    Ensures long-term stability and minimizes structural deformation.

  • Precision-machined mounting interfaces
    Guideways and screw seats are CNC-milled to ±0.01–0.02 mm accuracy.

  • Optimized mechanical structure
    Designed for vertical, horizontal, and gantry-type machining centers.

  • Industrial-grade protective coating
    Thick paint layer improves corrosion resistance and surface durability.

Applications

  • CNC machining centers

  • Industrial automation equipment

  • Precision positioning systems

  • Customized machine tool frames

  • Gantry/moving-column machining structures

Customization Available

We support OEM / ODM, including:

  • Custom dimensions

  • Additional steel reinforcements

  • Machining process optimization

  • Surface treatment options (spray paint, powder coating)


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Founded in 2012, Changwei Machinery has been a leader in providing high-quality welding and cutting products.
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  286 Jia Industrial Zone, Fenxi Road, Wanjiang District, Dongguan City
  owen-zhong@weldingframes.com
  +86-13268910914

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