What is cutting ratio in metal cutting theory?
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Cutting speed : It is the distance traveled by work surface related to the cutting edge of Tool
v = πdN / 1000 m / min
Feed (s) : The motion of cutting edge of tool with reference to one revolution of work piece.
Depth of cut (t) : It is measured perpendicular to axis of work piece and in straight turning in one pass. This can be estimated from the relation
t = ( D - d ) / 2 mm
Undeformed chip (Fc) : The cross sectional area of chip before it is removed from work piece. it is equal to the product of feed and depth of cut.
Fc = s x t mm2
All tools have a major and minor cutting edge. The major cutting edge removes bulk of material. Where as the minor cutting edge gives good surface finish.
v = πdN / 1000 m / min
Feed (s) : The motion of cutting edge of tool with reference to one revolution of work piece.
Depth of cut (t) : It is measured perpendicular to axis of work piece and in straight turning in one pass. This can be estimated from the relation
t = ( D - d ) / 2 mm
Undeformed chip (Fc) : The cross sectional area of chip before it is removed from work piece. it is equal to the product of feed and depth of cut.
Fc = s x t mm2
All tools have a major and minor cutting edge. The major cutting edge removes bulk of material. Where as the minor cutting edge gives good surface finish.
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