According to wiki, the applications of fillets are:
now, what is the best radius for a fillet in objects to eliminate the injuries from a sharp edge?
but before that another question should answer.
does a sharp edge really cause injuries?
A sharp edged object cannot make an injury as a knife does. because the included angle in the knife is really small to make the serious cut.
consider the sharp edge on a rectangular block.the included angle is 90 degrees. does it can make a cut on your body. if "burrs" are present on the surface obviously it will cause injuries. otherwise if the sharp edged block is having a surface finish like "i phone" it is difficult to make a cut.
- to eliminate the stress concentration
- to reduce aerodynamic drag
- for manufacturing cost reduction(in milling)
- it prevents the edges from damages
- to eliminate the injuries from sharp edges
- also it is given as an aesthetic feature
now, what is the best radius for a fillet in objects to eliminate the injuries from a sharp edge?
but before that another question should answer.
does a sharp edge really cause injuries?
A sharp edged object cannot make an injury as a knife does. because the included angle in the knife is really small to make the serious cut.
consider the sharp edge on a rectangular block.the included angle is 90 degrees. does it can make a cut on your body. if "burrs" are present on the surface obviously it will cause injuries. otherwise if the sharp edged block is having a surface finish like "i phone" it is difficult to make a cut.
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