The support of shafts on which other components are also attached by clamping or tensioning devices so that machining is not required.
Proper tensioning allows the blade to remain flexible enough to bend slightly under the cutting pressure and snap back into position.
The tensioning can be accomplished by a mechanical roller tensioning machine or a hammer smith.
Tensioning is designed to keep blades from distorting at high speeds.
TIGHTENING WITH TENSIONING CHAIN AND LEVER.
extension, strain, spread
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