Work Holding Devices of Shaping Machine

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There are many ways in which work may be held while it is being machined on the shaping machine. The common methods are mentioned below:

(a) Chucks - Three jaw and four jaw chucks are mounted on shaper with suitable means to hold the work pieces.
Different Types of Chucks

(b) Special Jig - Jig accurately locates the work in position for machining and holds it securely in position by means of clamping bolts, studs and screw.
(c) Angle Plate - The work is securely fastened to an angle plate with clamps or bolts.
(d) Plain vice - Plain vice is bolted to the machine table. It holds the work piece securely while machining.
(e) Universal Vice - This type of vice can be swivelled at any desired angle through a horizontal plane. It can be tilted and held stationary at an angle from the horizontal to the vertical by means of a hinged knee. Work is supported between the centres of dividing head.
(f) Clamps - Various clamps used on shaping machine are as follows:

(i) Screw heel clamp
(ii) Goose neck clamp
(iii) Universal adjustable clamp
(iv) Plain clamp
(v) U clamp
(vi) Single finger clamp

(vii) Double finger clamp