Machine tools. Test conditions for self-centring, manually-operated chucks with one-piece jaws Ingestion-build-134498 BS 7141-3 specifies requirements including

BS 7141-3 specifies requirements including colour fastness ratings for wool tapes

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Machine tools. Test conditions for self-centring, manually-operated chucks with one-piece jaws Ingestion-build-134498 BS 7141-3 specifies requirements including1 Scope This International Standard specifies, with reference to ISO 230 1, the geometric tests and corresponding tolerances for self centring, manually operated chucks for machine tools with more than two jaws. This type of chuck has jaws known as one piece hard jaws, the relatively large stroke of which allows quick adaptation to the most varied sizes of workpieces without dismounting. This International Standard deals only with the inspections of