A tool used to withdraw a drill from the sleeve is called
The tool life is affected by
The cutting speed for drilling aluminium, brass and bronze with high speed steel drills varies from
The cutting fluid mostly used for machining alloy steels is
Which of the following operation is first performed?
The grooving is an operation of
Flank wear occurs mainly on the
In oblique cutting system, the tool may or may not generate a surface parallel to the workface.
The operation of smoothing and squaring the surface around a hole is known as
The process of removing metal by a cutter which is rotated against the direction of travel of workpiece, is called
Relief angles on high speed steel tools usually vary from
In reaming process
The addition of lead, sulphur and phosphorus to low carbon steels, help to
Tool life is measured by the
The cutting fluid mostly used for machining steel is
Flank wear depends upon the
The cutting speed is zero at the periphery and it is maximum at the centre of the drill.
The size of a lathe is specified by the
Cutting fluids are used to
The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called
The plunge grinding requires very __________ speed.
A feed gear box for a screw cutting lathe is designed on the basis of
The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)
Soft materials can not be economically ground due to
The lip angle is the angle
The tool may fail due to
In metal cutting operations, chips are formed due to plastic deformation of the metal.
The structure of a grinding wheel depends upon
The infeed grinding is similar to plunge grinding.
In conventional milling, the cutting force tends to lift the work.
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