ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Flat receptacle, which is used in extruding the large aluminum profiles, is in harsh workconditions. Due to the irregularity of inner hole of flat receptacle, inconsistent resistance of shrinkingfitting affects the inner hole within which nonuniform deformation occurs. If the nonuniformityexceeds the specified dimension accuracy, tiresome work including mould repairing and structureoptimization has to be done. ANSYS is used to simulate the flat receptacle. It is shown that themaximum stress appears in the arc area of inner hole. Therefore, we present one new method using thepreloaded layer with changeable shrinkage to replace the preloaded layer with uniform shrinkage.Considering the processing and assembling factors, we adopt the elliptical outer layer and circularinner layer as the new structure. Then the optimizations of flat receptacle with uniform andchangeable shrinkage are implemented using the optimizing module, receptively. The optimizedresults show the maximum equivalent stress in the corner of inner-hole decreases about 5.47% ifadopting the changeable shrinkage. The numerical simulation results show that the feasibility ofchangeable shrinkage and elliptical preloaded layer
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.575-578.478.pdf
