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A B S T R A C T The present work has been carried out to identify various geometrical characteristics of the parts produced by Selective Laser Sintering (SLS) technique using different process parameters like part built orientation and sintering temperature. A geometrical bench mark part with different shapes and features is produced by SLS process with polyamide powder material. The bench mark part is inspected using CMM to know the geometric errors like roundness, perpendicularity, parallelism, concentricity etc. Effect of build orientation and sintering temperature on various errors has been studied and reasons are analyzed. Suitable process parameters are suggested to produce the parts with better geometrical accuracy and these are very much useful in industrial applications.

Geometrical Accuracy of Parts Produced by Rapid Prototyping Technique (Sls)