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What effect of the cutting tool causes burr formation?POSSIBLE ANSWERS:FatigueElastic deformationPlastic deformationFracture

Question

What effect of the cutting tool causes burr formation?POSSIBLE ANSWERS:FatigueElastic deformationPlastic deformationFracture

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Solution

Burr formation is primarily caused by the plastic deformation of the material being cut. This occurs when the material is subjected to stress beyond its yield strength, causing it to deform and not return to its original shape. This deformation often results in the formation of burrs, which are raised edges or small pieces of material remaining attached to a workpiece after a modification process.

Similar Questions

How is a cutting tool affected by reducing the end and side relief angles?POSSIBLE ANSWERS:Nose radius rigidity decreases, but chips become wider.The cutting edge is strengthened, but the quality of surface finish is reduced.Chips become thinner, but nose radius rigidity increases.The quality of surface finish is enhanced, but the cutting edge is weakened.

Where on a workpiece are shear forces introduced? The cutting process introduces shearing forces at the:POSSIBLE ANSWERS:Relief angle line.Rake angle line.Deformation boundary.Centerline boundary.

QUESTION:What effect do positive rake angles generally have on a cutting operation?POSSIBLE ANSWERS:Workpiece cratering is reduced, but the toolholder is destabilized.Cutting forces are decreased, but the cutting edge is weakened.The cutting edge is strengthened, but cutting forces are increased.The toolholder is stabilized, but workpiece cratering occurs more often.

Which process removes burrs from a workpiece?POSSIBLE ANSWERS:AssemblyFinishingInspectionMachining

The main cutting force acting on a tool during the turning (orthogonal cutting) operation of a metal is 400 N. The turning was performed using 2 mm depth of cut and 0.1 mm/rev feed rate. The specific culling pressure (in N/??2) is:

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