Automatic Hairpin Copper Tube Bending Machine for Long U Copper Pipes in AC/R

• Customization: Available
• Copper Tube Length: 300~2200mm
• Copper Tube Diameter: 7mm / 9.52mm
• Model NO.: SKCU-4
• Production Speed: L<300, < 8s; L<800, < 12s; L<2100, < 22s
• Transport Package: Bare in One 40′ Gp Container
• Specification: Four copper tubes bending together
• Trademark: Zhenhuan
• Origin: China
• HS Code: 8462219000
• Production Capacity: 10 Sets Per Month

Product Description

Full Automatic U Hairpin Copper Tube Bending Machine

 

I Description of U hairpin copper tube bending machine
This machine is specially designed for decoiling, straightening, chipless cutting and bending coil copper tubes into long U shape, used in air conditioners and heat exchangers.
This machine is comprised of decoiler, straightening & cutting device, bending & tube-returning device, unloading device, hydraulic system, pneumatic system and PLC control system.
II Main technical data of U hairpin copper tube bending machine

Item	Data
Suitable copper tube material	TP2
Suitable copper tube reel size	Max. weight 180kg; Max. OD: Ф1100mm; ID: Ф130mm
Suitable copper tube diameter	Φ7mm; Φ9.52mm
Bending radius	ф7: R21mm; ф9.52: R25.4mm
Copper tube numbers	Max. 4 pieces simultaneously
Max. copper tube length	300~2200mm
Production speed	L≤300, < 8s; L≤800, < 12s; L≤2100, < 22s;
Length error	L<800, ±0.5mm; L≥800mm, ±0.8mm
Length error between two ends	Less than 1.0mm
Center distance error between two ends	Less than ±0.1mm  (within 14mm away from loop)
Tube ID at cutting ends	ф7: >ф5.6mm; ф9.52: >ф8mm
Straightness error	Curvature ≤3mm @L=1000mm
Flattening ratio at loop area	Less than 15%
Thinning ratio at loop area	Less than 30%
Finishing quality	No wrinkle, scratch, crack, dimple, bulge, burr

III Main configuration U hairpin copper tube bending machine
-- PLC & HMI: itsubishi from Japan
-- Servo motor and driver: Mitsubishi from Japan
-- Circuit breaker: FUJI from Taiwan
-- Buttons: SCHNEIDER from China
-- Pneumatic components: AIRTAC from Taiwan
-- Hydraulic components: Famous brands from Taiwan
IV Long U hairpin tubes bent by the machine

V Factory facility promising hairpin tube bender machine quality


We, Nantong Zhenhuan Trade Co., Ltd, established in 2004, is specialized in machine solutions for many years. We can provide good quality machines for air conditioner and heat exchanger production.