Fixed renewable bushings are used when one operation is to be performed in each hole but several bushings must be used during the life of the jig.
Fixed renewable bushings are used when one operation is to be performed in each hole but several bushings must be used during the life of the jig.
Slip renewable bushings are used when more than one operation has to be performed through the same location on the jig.
Liner bushing is used to locate the renewable bushings.
Tolerance on jig should be 20% of the tolerance on the job.
Jig is not used for planning operations.