For changing the direction of feed, pawl is to be rotated 180 Degree.

When shaping 'T' slot, the function of clapper box is not used.

Pawl mechanism of a shaper is a unit, which regulates the speed of rpm.

When cutting 'T' slots in a shaper, clapper block need not to be lifted.

lift the tool during cutting stroke

lift the tool during return stroke

lift the tool in the middle of the stroke

avoid overhanging of tool

Base

Ram

Saddle

Clapper box

'V' block

Angle plate

Parallel blocks

Round rods

Oblong slot in a strap clamp are meant for adjustment between bolt and workpiece

Clamping should be decided according to shape and size of the workpiece

While clamping, the distance between bolt and workpiece edge should always be greater.

Workpiece should be held between centres of index head when cutting splines and spur gear teeth.