Parker saves energy in tube bending applications
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Parker Hannifin - Parker Sales UK product story
Edited by the Engineeringtalk editorial team
Sep 22, 2008
Servo drives from Parker Hannifin are enabling users of Unison's all-electric tube-bending machines to achieve savings in energy costs.
Unison's managing director Alan Pickering said: 'We have run tests against hydraulically-powered bending machinery that show comparative energy savings of 90 per cent when producing exactly the same part.
'Combined with other advantages of a servo motor based architecture, all-electric tube benders provide the metalworking industry with a practical measure to help remain competitive.' Unison designed an automated setup tube bending machine to meet the requirements of its customers more effectively.
In 1995 this was developed into the first all-electric range.
The company has a broad catalogue of machines that use advanced servo motor technology to control all moving parts and provide customers with control features to meet the specific needs of the tooling used or the part being made.
Since the launch of its first all-electric model, Unison has worked closely with Parker installing servo drives on almost all its equipment.
The Unison all-electric tube-bending machines can be reconfigured for a different part or batch in minutes, without the need for skilled labour and minimising costly scrap.
Furthermore, the machines are capable of greater levels of accuracy and repeatability than their hydraulic counterparts; complex tube shapes can be created to tight tolerances of 1/100th of a millimetre.
This is made possible via advanced closed-loop control from Parker servo-drives.
The all-electric machines are also considerably quieter than conventional equipment and produce no waste products that are problematic to dispose of responsibly, such as hydraulic oil.
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