To avoid sharp external corners in casting design, rounding of external edges is done in pattern making that termed as radii.(a) True(b) FalseThe question was posed to me in examination.I would like to ask this question from Pattern Fillets in section Pattern and Pattern Making of Casting-Forming-Welding I

To avoid sharp external corners in casting design, rounding of externa

1.	To avoid sharp external corners in casting design, rounding of external edges is done in pattern making that termed as radii.(a) True(b) FalseThe question was posed to me in examination.I would like to ask this question from Pattern Fillets in section Pattern and Pattern Making of Casting-Forming-Welding I
Answer» Right answer is (a) True For explanation I would say: A RADIUS is provided that termed as radii for rounding of external edges of a pattern to aid in removing the pattern from the mould and ELIMINATING the sharp external edges from the casting. It also makes the casting more AESTHETICALLY pleasing than casting with SHARPER corners.

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