ABSTRACT
FIGURE17Torque-turnprofileofanairtoolinstrumentedwithanangleencoder. AddingtheencodereliminatestheproblemillustratedinFigure16.
meetthequalityrequirementsofamassproductionenvironment.Nomatterhowdedicated andconscientiousanoperatormaybe,fatigueandboredomwillsoonleadtopoorresults.Airpowered,hydraulic,orelectricnutrunnersmustbeused.Incorporatinginstrumentationina nutrunnerasillustratedinFigure18addsanewdimensiontofasteningcontrol.
