DESIGN, ANALYSIS AND MANUFACTURING OF SPECIAL MANDREL FOR GEAR TEETH GRINDING
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Abstract
In the present techno economic scenarioevery manufacturing industry takes great effort in cutting down costs by reducingerrors in manufacturing and resources. Our present investigation is an attempt made in the same direction by designing a special mandrel which willeliminate run-out error of gear, reduce inventory costand increase productivity by reducingthe machiningtime.Geer teeth Grinding, as a final process,exerts great influence on quality and accuracy of surface layer of teeth of gears. The mandrel and sleeve is designedin suchawaythat it can accommodate a range of gear sizes on a single mandrel instead of using separate mandrel for each gear. For example: For gear sizes of internal diameter 31-40 mm only one mandrel is required along with expandable sleeves.As per the problemidentified we designed a mandrel and sleeve, in CATIA-V5. Further it was analysed in the software for any aberrations. It wasthensimulated for real time working conditions. After complete analysis and approval of design , all modes of failureswere tested and design was finalized and selected for fabrication.
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