Hairpin Tube Bender

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Website: http://rollforming-line.com/14-2-hairpin-tube-bender.html

Hairpin Tube Bender

This hairpin tube bender is specially designed for decoiling, straightening, burrless cutting, and bending coil copper tubes into long U shape, used in air conditioners and heat exchangers.

This machine is comprised of a decoiler, straightening & cutting device, bending & tube-returning device, unloading device, hydraulic system, pneumatic system, and a PLC control system.

Technical Data

• Suitable copper tube materialTP2
• Suitable copper tube diameterΦ7mm; Φ9.52mm (customized)
• Bending radiusф7: R21mm; ф9.52: R25.4mm
• Copper tube numbers6 (customized)
• Max. copper tube length275~1600mm (customized)
• Production speedL≤300, < 8s; L≤800, < 12s; L≤1600, < 20s;
• Length errorL < 800, ±0.5mm; L≥800mm, ±0.8mm
• Length error between two endsLess than 1.0mm
• Center distance error between two endsLess than ±0.1mm (within 14mm away from loop)
• Tube ID at cutting endsф7: >ф5.6mm; ф9.52: >ф8mm
• Straightness errorCurvature ≤3mm @L=1000mm
• Flattening ratio at loop areaLess than 15%
• Thinning ratio at loop areaLess than 30%
• Finishing qualityNo wrinkle, scratch, crack, dimple, bulge, burr