| Prestressed springs are lighter and have improved fatigue performance compared with unprestressed springs. Prestressing springs before despatching them to customers enables to design the springs that meet higher stresses, while increasing the load bearing capacity within the available design space envelope. Institute of Spring Technology (IST), UK, provides the spring industry with automatic prestressing machines that efficiently perform the prestressing operation for compression springs. They are specially designed and robustly built to a very high-specification to give years of trouble-free service.
Easy to set-up and use, the machines have the following features as standard:
- Single / multiple spring options to maximise throughput;
- Fully adjustable prestress load to cover a wide range of spring designs;
- Watch-dog timers monitor all control sequences;
- All pneumatic operation use PLC-control;
- Fully adjustable number of prestressing operations (1 to 9);
- Two handed safety control and interlocking guard on prestressing head.
All of IST 's machines are supplied complete with an easy-to-use operator's manual and full back-up from the institute�s specialist engineers to maximise the efficiency of each machine without delay. IST also supplies machines for evaluating the static and dynamic performance of springs both in linear and torsional modes of operation. In addition, with the recent launch of the Windows� software, the machines now have far greater user friendliness and flexibility of operation.
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