Industry News

2 Hairpin Bender Machine ready to delivery to Russia. 

Equipment Characteristic:

  1. The rounding & straightening wheels are set on both the vertical and horizontal plane, which will straight the tubes from the 2 plates. Each tube has 2 rounding wheels and 12 straighten wheels

  1. The feeding system is a Pneumatically driven friction feeding device, with air cylinders     controlling the actual pressure applied to the individual feed belts. When feeding, individual air cylinders will apply proper pressure to each of the belts. The upper and bottom belts will clamp one copper tube and feed to proper length. when the proper length is almost achieved. The feeding speed will change from fast to slow, and the air cylinder pressure on the belt will change from high to low. Each air cylinder will lose almost all pressure when the tube it is feeding reaches the final proper position against a Hard Stop plate. It will hold that tube in place until all tubes have achieved the final proper position. Thus all hairpin ends are in the same final location assuring both the consistence of hairpin length and equality of leg lengths

  1. A fixed location cutting system

The copper tubing cutting system utilizes outer rotating cutter blades to cut the tube. Lubrication takes place. The feed belts reverse and separate the tube ends after cutting.

  1. A Bending system

The bending system can move in the length direction to produce hairpin of different lengths. The leg length is set from the PLC and Programming is fully automatic

The bending system is Serve Motor & Reducer system driven. This is allows for much better accuracy and less free play or  back lash then the older type of hydraulically driven bending heads found in many competitor's units.

5 In addition:

5.1"Quick Change" Tube support booms are provided to support the guide tubes and allow change from one length to another in less than 2 minutes

  1. The Hairpin bender will be capable of receiving such special sets of bend tooling as may    be dictated by specific bend radius requirements and / or changes in tubing diameter up to 16mm maximum.

  1. A sensing device is provided in each lubrication tank to monitor the level of oil to prevent operating the equipment without proper lubrication. A corresponding diagnostic message will be displayed on the touch screen when the level is low

  1. An tube pick off device is included which will support the tubes while stripping and lay them down in the tube collectors. This will produce straighter hairpins for longer lengths

   There is a tube end Sizer attachment to reopen the ends of the hairpins that do not pass

   over the mandrels

  1. Automatic setup of the hairpin bender and leg length adjustments can be accomplished through the use of a standard programmable controller interfaced with a touch screen.

Reta Group was founded in 2001,whom combined with 2 Plants.Reta Machine Co.,Ltd and Reta Copper Industries Co.,Ltd.  One manufacturing Heat Exchanger processing Machinery & One manufacturing Copper Tube for HVACR and heat exchanger, water pipe and gas. (

Reta Machine Co.,Ltd as one of leading manufacture & exporter of Heat Exchanger Processing Machinery, having own R&D team as well as the production and inspection equipments of high precision. 

We are currently the leading manufacturer of machinery for both the mechanically expanded and brazed micro channel heat exchanger industry, globally. Our goals and long-term commitment is to constantly evolve our heat exchanger equipment, using research and development skills and vast production capacity. We operate in all areas of Air Conditioning, Radiator,Heater Core,Charge Air Coolers,Condensers, Evaporators for Truck and Car, Complex range of Fin Machines, Fin Presses,Core Builders, Tube Hairpin Benders, Vertical Expander, Horizontal Expander, Straight tube cut off, High Speed cut off, Return Benders, Ring Loading, Full range of mechanical presser. We have a stringent quality control system and all non-standard machine part is processed by ourselves.  

We can provide full range of solutions in heat exchanger domain, through protracted and unremitting efforts over 15years of experience.  We have supplied our equipment all over the world totaling more than 40 countries.

We provide an energy saving, environmental protective, high efficiency, safety and precision service to the heat exchanger marketplace and contribute our strength to provide a "Cool World"


Add: #99, Daqing South Road, 

Jiangbei District, Ningbo,China.

Tel: +86-574-81106661