Full Automatic Return Bender Machine for Small U Bends Used in Heat Exchanger and Air Conditioner

• Customization: Available
• After-sales Service: Available
• Warranty: 1 Year
• Model NO.: SKXU-5
• Copper Tube Diameter: 7mm / 9.52mm/12.7mm or Customized
• Bending Radius: R19.2 (9.52mm Dia)
• Production Speed: Less Than 8s Per Cycle
• U Height Error: +/-0.5mm
• Length Error Between Two Ends: Less Than 0.5mm
• Radius Error: +/-0.5mm
• Center Distance Error Between Two Ends: +/-0.1mm
• Transport Package: Bare in One 20′ Gp Container
• Specification: Five copper tubes bending together
• Trademark: Zhenhuan
• Origin: China
• HS Code: 8462219000
• Production Capacity: 10 Sets Per Month

Product Description

Full Automatic Return Bender Machine

 

I Description of return bender machine
This machine is specially designed for decoiling, straightening, bending and cutting coil copper tubes into return U bends and crossover C bends, used in air conditioners and heat exchangers.
This machine is comprised of decoiler, straightening device, bending & cutting device, unloading device, hydraulic system, pneumatic system and PLC control system.
For coil copper tubes diameter not more than 9.52mm (3/8"), below 5-head pay-off device will be used, passive drive, without power.

II Main technical data of return bender machine

Item	Data
Suitable copper tube material	TP2
Suitable copper tube reel size	Max. OD: Ф1100mm; ID: Ф130mm
Suitable copper tube diameter	Φ7.0mm / Φ9.52mm
Copper tube numbers	Max. 5 pieces
Cycle time	< 6s (for U bends)
U bend height error	±0.5mm
Length error between two legs	Less than 0.5mm
Radius error	±0.5mm
Pitch error (center distance between legs)	±0.1mm
Straightness error	Curvature ≤3mm @L=1000mm
Flattening ratio at tube ends	Less than 5%
Thinning ratio at loop area	Less than 30%
Burr height at two ends	Less than 0.2mm
Finishing quality	No wrinkle, scratch, crack, dimple, bulge
Total electric power	5kW

III Main configuration
-- 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 Factory facility promising return 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.
Please contact us for more machine details:
Contact:Mr. Franks Cao