Page 88 - Turner 1st sem Practicals

Rotate the chuck by hand and observe the gap between the
pointer and work surface for the position of the two opposite
Place the work inside the chuck, keeping sufficient portion jaws.
outside the chuck for turning and tighten the two adjacent Open the jaw slightly where the gap is more, and tighten
jaws, enough to grip the work. (Fig 4) the opposite jaw. (Fig 7)

Place the surface gauge on the bed-ways close to the Repeat until the gap is the same. (Fig 8)
chuck. (Fig 5)
Repeat the above sequences for the other set of opposite
Adjust the pointer to make its tip move close to the top or jaws.
side portion of the work with a minimum gap. (Fig 6)

76 Producltion & Manufacturing : Turner - Exercise 1.3.25