Office Chair Leg Bending
Office chair leg bending can be achieved using a variety of professional equipment and specific forming devices, as detailed below:

I. Specialized Pipe Bending Equipment
CNC Equipment
Equipment such as stainless steel square pipe CNC servo pipe bending machines, 50CNC fully automatic pipe bending machines, and Yousheng fully automatic CNC three-dimensional pipe bending machines precisely control the bending angle, radius, and speed through CNC systems, suitable for chair leg processing with high precision requirements. Their advantage lies in preset parameters, enabling consistent batch production and handling complex three-dimensional bending needs.Semi-Automatic Equipment
The 50NC semi-automatic pipe bending machine requires manual assistance but completes the bending action through hydraulic or mechanical transmission, suitable for small to medium-scale production. It has lower costs, flexible operation, and can quickly adjust bending parameters to accommodate different pipe diameters or radii.Customized Specialized Equipment
Customized pipe bending machines, such as round and square pipe fully automatic CNC hydraulic pipe bending machines and table and chair pipe bending machines, are optimized for chair leg structures and can integrate multiple processes like cutting, bending, and shaping, reducing material transfer between processing stages and improving efficiency. For example, some equipment is equipped with automatic feeding systems, enabling continuous bending of multiple pipes.Special-Shaped Pipe Processing Equipment
Machines like the CA--010 (special-shaped machine) flat bending machine and the CA-010 (38-type) special-shaped pipe bending machine are specifically designed for bending non-standard pipes (such as oval or rectangular cross-sections), preventing pipe deformation or wrinkles through special mold designs to ensure smooth chair leg appearances.
II. Metal Chair Leg Bending Forming Devices
An integrated device achieves multi-size adaptability through modular design:
- Bending Table Structure: Threaded mounting holes are provided in the middle, and the base can be rotated to adjust the height, ensuring the tops of bending columns of different sizes are flush with the tabletop to match various arc radius requirements.
- Clamping System: The first and second clamping plates move via sliders in elongated slots, quickly fixing the pipe position to prevent displacement during bending.
- Efficiency Improvement: This device completes the processing of chair legs of multiple specifications with a single machine, reducing equipment replacement or debugging time, especially suitable for small-batch, multi-variety production scenarios.
III. Equipment Selection Criteria
- Material Characteristics: Stainless steel chair legs require hydraulic or servo-driven equipment to avoid cracks; aluminum alloy chair legs can choose lightweight equipment to reduce energy consumption.
- Bending Radius: Small-radius bending requires high-rigidity molds and slow processing speeds, while large-radius bending requires long-stroke equipment.
- Production Scale: For large-scale production, fully automatic CNC equipment is preferred; for small-scale or customized production, semi-automatic or specialized forming devices can be selected.




