USE/CARE OF HANDTOOLS & MEASURING TOOLS - OD1621 - LESSON 2/TASK 1
and the jaw then brought down and locked.
This vise is also used on a
bench. Some pipe vises are designed to use a section of chain to hold down
the work. Chain pipe vises range in size from 1/8 to 2 1/2 inch up to 1/2
to 8 inch pipe capacity.
(6) Machine Table Vise.
The machine table vise (figure 42) is
constructed so that it may be secured on a machine table and hold work for
subsequent machining operations. These vises either have a 3 1/2 inch jaw
width and a 3 inch jaw opening, or a 6 inch jaw width with a 6 inch jaw
opening.
FIGURE 42.
SPECIAL PURPOSE VISES.
(7) Pin Vise.
A pin vise (figure 42) is held in the hand.
Its
overall length is usually about 4 inches. It has a chuck-type jaw capable
of holding small stock from 0 to 0.187 inch in diameter.
(8) Piston Holding Vise.
The piston holding vise (figure 42) is
designed to hold engine pistons up to and including 5 1/2 inches in
diameter. This vise can be bolted onto a bench or machine table.
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