21
7. Operation & Sawing Practice
- cont.
TABLE 2: Blade selection
BLADE TYPE
24 TOOTH
ALTERNATE BEVEL POSITIVE HOOK
30 TOOTH
ALTERNATE BEVEL POSITIVE HOOK
36 TOOTH
ALTERNATE BEVEL POSITIVE HOOK
40 TOOTH
ALTERNATE BEVEL POSITIVE HOOK
40 TOOTH ANTI KICKBACK
ALTERNATE BEVEL SEMI-POSITIVE HOOK
80 TOOTH
ALTERNATE BEVEL POSITIVE HOOK
80 TOOTH
TRIPLE CHIP POSITIVE HOOK
Blade selection
Before undertaking any application on a table
saw is important to consider blade selection.
There are many blade types available and it
is important to select the right blade for the
job. The TS250C is supplied with a good multi-
purpose blade, but for specialist applications a
blade with a different tooth pattern may
be required.
A table saw can be fitted with two different
styles of blade: An alternative bevel blade
Fig.7.2
or a triple chip tooth blade
Fig.7.3.
APPLICATION
Ideal for deep ripping softwoods
Ideal for deep ripping hardwoods
General purpose, suitable for ripping and cross cutting
both soft and hardwoods.
Suitable for cross cutting both soft and hardwoods.
Suitable for cross cutting both soft and hardwoods,
provides protection from kickback.
Suitable for cross cutting and gives a fine finish on
man-made sheet material and laminates
Suitable for cross and cutting gives a fine finish on
man-made sheet material and laminates. Triple chip
teeth reduce breakout on the material.
When choosing a blade for a table saw always
ensure that it is a hard bodied blade, soft bodied
blades are only suitable for power tools. The
easiest way to tell the difference between hard
and soft bodied blades is that hard bodied
blades have movement slots cut into the gullets
of the blade
Fig.7.4
, where as soft bodied
blades are solid
Fig.7.5
.
HARD BODIED
Suitable for table saws
SOFT BODIED
Unsuitable for table saws
Blade maintenance
It is essential that whichever blade is selected
that it is in good condition. Any build up of
timber resin near the teeth of the blade will
cause the workpiece to stall or stick. These
deposits should removed with white spirit after
cleaning it is also advisable to coat the blade
with silicone spray. Do not use any product
which contains oil on the blade as this will
attract dirt. Never try to clean a moving blade.
The saw should be stopped, the blade removed
and the resin removed with a proper scraper.
Fig. 7.2
Fig. 7.3
Fig. 7.4
Fig. 7.5
Содержание TS250C
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