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Torque control solution
September 1st 2008

Crane Electronics has supplied a TMAC Opta system with an IS WrenchMaster to a UK vehicle assembly plant, where a new torque application requires the accurate tightening of the exhaust manifold to its petrol engines.

The system recognises those engines that require additional tightening before they are fitted to a vehicle. A Poke Yoke error proofing system was used informing the supervisor of any problems.

Crane Electronics' solution was to interface a TMAC Opta with the engine conveyor belt.

This involved liaising with a sub-contractor at the plant, who installed the facility and then integrated the TMAC Opta's input/output capability to the production line control. Every time a petrol engine is fed to the conveyor belt, the control system stops the engine on station. The operator knows that fasteners on the engine manifold have to be tightened using the IS WrenchMaster tool.

The TMAC Opta gives the operator visual indication once the final torque has been achieved.

All torque results are saved and processed by the TMAC Opta.

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