USE/CARE OF HANDTOOLS & MEASURING TOOLS - OD1621 - LESSON 2/TASK 2
FIGURE 114.
HAND SHEARS.
NOTE
When cutting, the sheet metal should be between the
blades as far back as it will go and the upper blade
must be exactly on the guideline.
(2) Curved Cuts. When cutting curves, the cut should be continuous.
Stopping and starting at different points on a line results in rough edges
and sharp slivers of metal, which may cause an injury.
Curved blade and
hawk bill shears are generally used for cutting out small, intricate
designs, including curves.
The offset handles of these shears are
convenient to use in tight places.
When cutting shapes from sheet metal
with straight shears, it is important to make the cuts in the right
direction. Figure 115 on the following page indicates the starting point by
an X, and the arrows show the directions in which the cuts should be made
for various shapes. When a hole or opening is to be cut in sheet metal with
a pair of shears, lay the metal on a lead or hardwood block. Use a
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