Automobile
gears are generally manufactured by
Hobbing
Stamping
Extrusion
Rolling
Hobbing
Hobbing
is machining process for gear cutting it is a multipoint cutting process that
rotatesboth tool and work piece in precise relations to each other. It is used
to rough cut multiple gearteeth atonce.
Hence, the correct option is (A).
&Key Points:-
Gears
can be manufactured by a variety of processes, including casting, forging,
extrusion, powder metallurgy and blanking. However, machining is applied to
achieve the final dimensions, shape and surface finish in the gear.
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