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A SYSTEM FOR SIMULTANEOUSLY PRE-SET TORQUEING AND TENSIONING A MULTI-JACKBOLT TENSIONER
A SYSTEM FOR SIMULTANEOUSLY PRE-SET TORQUEING AND TENSIONING A MULTI-JACKBOLT TENSIONER
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机译：同时预扭矩多张紧张紧器的系统
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摘要
An assembly for simultaneously tensioning a plurality of jackbolts of a multi-jackbolt tensioner, the apparatus comprising: a first tensioning device comprising a first plurality of spindles arranged to simultaneously tension the plurality of jackbolts to an initial tightened configuration, the spindles being arranged to interrupt delivery of torque to one or more of the jackbolts when the one or more of the jackbolts attain an initial torque value; and a second tensioning device comprising a second plurality of spindles arranged to simultaneously tension the initially tightened plurality of jackbolts to a subsequent tightened configuration by delivering torque to all of the jackbolts simultaneously to attain a pre-determined torque value that is greater than the initial torque value.
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