Automatic Pipe Punching Machine for Square and Rectangular Tubes Customized tube punching solutions for square tubes, rectangular tubes, angle steel and selected profiles.
Home > Applications > Bending
Construction Hardware / Handrails
Handrails, guardrails, supports, brackets and architectural tube structures.
Application Requirement
Handrails, guardrails, supports, brackets and architectural tube structures.
- Bending Bending applications focus on tube radius, angle accuracy, product symmetry, tooling design and repeatable forming for furniture, vehicle parts, fitness equipment, handrails and tubular frames.
- Chamfering Chamfering applications improve tube-end quality before welding, assembly or forming. DUORUI reviews material, tube diameter, wall thickness, chamfer angle, production rhythm and finished edge requirements.
- Other Processing Other processing applications combine punching, polishing, threading, rolling, welding, auxiliary automation and customized fixtures for manufacturers with mixed tube-processing requirements.
DUORUI Solution
Construction Hardware / Handrails
Construction hardware projects require process planning for cutting, chamfering, punching, bending and welding preparation according to drawings.

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Automatic Pipe Punching Machine for Square and Rectangular Tubes Customized tube punching solutions for square tubes, rectangular tubes, angle steel and selected profiles.
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Engineering and Service Support
Process review
Review tube material, diameter, wall thickness, tolerance, target output and finished-part requirements before machine selection.
Machine matching
Match Bending, Chamfering, Other Processing process requirements to the application.
Sample verification
Support tooling review, sample confirmation, commissioning, spare-parts planning and after-sales handover.
Related Applications
Furniture Manufacturing Chair frames, table legs, sofa structures, bed frames and shelving tubes.
Automotive Parts Exhaust components, seat frames, brackets and structural tube parts.
Fitness Equipment Handles, support tubes, adjustable frames and exercise equipment structures.
Motorcycle & Bicycle Parts Frames, handlebars, exhaust parts and customized tube assemblies.
General Metal Fabrication Customized tube and profile parts requiring mixed cutting, punching, bending, forming and inspection processes.
Metal Tube Products Racks, trolleys, sanitary tubes, HVAC components and custom assemblies.