Integrated manufacture of hot coiled springs
An
Institute Of Spring Technology product story
Edited by the Engineeringtalk editorial team
Aug 12, 2003
The computer integrated manufacture of hot coiled springs is in the second year of a two-year project funded under the ICT Carrier Scheme.
The computer integrated manufacture of hot coiled springs is in the second year of a two-year project funded under the ICT Carrier Scheme.
Hot coiling machines are computer controlled, and designing hot-coiled springs uses CAD programs.
Spring manufacturers and users foresee a significant commercial advantage if these could be integrated into one useable programme.
This project aims to achieve this by transferring gear industry ICT technology into spring manufacturing.
Six partners are involved in the project, including a manufacturer of hot coiling equipment, two spring makers who are manufacturers of hot-coiled springs.
Both Version 6 and 7 of the compression spring CAD software previously developed by the Institute of Spring Technology (IST) has been updated to include all the materials currently used in the hot coiling sector.
Manufacturers will appreciate that springs are often coiled to different dimensions than those required by the CAD programme to allow for the dimensional changes that occur during manufacture.
IST has developed a theoretical model to predict this change, based on actual dimensional data.
When complete, the model will be incorporated into the CIM software to enable the necessary allowance to be made automatically, therefore reducing the number of sample trials that are often necessary.
The software to enable the output from IST's CAD software to be fed directly into the hot coiling machine control software is being developed by Nottingham Trent University and it is anticipated that coiling trials should start in the near future.
To ensure that the project will ultimately benefit the hot coil spring industry, an industrial advisory group has been formed with representatives from the valve, rail and offshore oil industry sectors.
As users of hot coil springs, the advisory group are able to offer guidance regarding the direction that the project takes during the time remaining.
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