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Digital wrench
July 1st 2008

A major car manufacturer is now checking torque values of critical fastenings within its bodyshop, using ProWrench Opta digital torque wrenches, says Crane Electronics. The checks are carried out three times per shift using one 75Nm ProWrench Opta digital torque wrench.

The wrench is taken to the production line when it has been stored with data to check torque values for a group of fastenings.

The wrench displays number of bolts to be checked and torque targets. Minimum and maximum torque values held within the wrench inform the operator via LEDs if readings are low, high or exact. Readings taken are stored with time, date, user and Vehicle Identification Number. Results are uploaded to Crane's OptaComms software and exported to a spreadsheet. Crane says there has been a 50% saving in operator time to carry out torque checks.

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