Study Of Gear Teeth Distortions Due To Heat TreatmentJournal: International Journal of Scientific & Technology Research (Vol.4, No. 2)
Publication Date: 2015-02-15
Authors : V. Khade; Ramgir;
Page : 74-79
Keywords : Index Terms Gear Teeth; Distortion; Quenching; Heat Treatment; Defects;
Abstract The work aims to study the distortion occurred due to heat treatment on the Gear teeth. The paper studies various causes of distortion control techniques to eliminate distortion which includes changes in design selection of material heat treatment process mainly due to quenching that includes cooling rates quenching mediums fixtures. An experimental study and results conducted for the effects of the distortion on the Gear teeth and to reduce the distortion with certain changes design modification resulting in shape 26 size changes phase changes changes in hardness microstructure and residual stresses. It is observed that adequate velocity of quench oil around the component to be heat treated ensures uniform 26 desired cooling rate as per heat treatment cycle. Modification in design of baffles achieved the adequate velocity and minimization of distortion. Also Fixtures for holding finished parts or assemblies during heat treatment may be either support or restraint type to control dimensional relations during aging.
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