Hyd-Mech H14A, Руководство пользователя

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2.10
2.11
by each tooth, and it is used in STEPS 3 and 4. In Example #1, for an 8” (200 mm) diameter solid, Effective Mate-
rial Width is 8” (200mm).
STEP 2, SET FEED FORCE LIMIT
The Feed Force Limit is the maximum amount of force
with which the head is allowed to push the blade into the
work-piece. FEED FORCE LIMIT should be set with the
head in the down mode, according to the label.
CUTTING SOLIDS
For cutting solids, the wider the section, the less FF
should be set, to avoid blade overloading. See the graph.
EXAMPLE: When cutting a solid which is 1⁄2 of machine
capacity using the graph, locate 50% on the horizontal line and travel upwards to the plotted line and then travel directly
across to the vertical FF Setting line. The point that you have arrived at shows a setting of 40% for a piece 50% of capac-
ity.
CUTTING STRUCTURALS
A reduced Feed Force Setting is used when cutting structurals:
For structurals, a blade finer than Optimum can be used for more
efficient cutting.
If a finer than optimum blade is going to be used, Feed Force
Setting should be reduced even further.
STEP 3, DETERMINE OPTIMUM BLADE PITCH - TEETH PER
INCH (T.P.I.)
Selecting a blade with proper tooth pitch is important in order to achieve
optimal cutting rates and good blade life.
For cutting narrow or thin wall structural materials a fine blade with many
teeth per inch (T.P.I.) is recommended. For wide materials a blade with a
coarse pitch should be used. The sketch can be referenced for the blade
pitch changes for differing effective material widths.
It is impractical to change the blade to the proper pitch every time a different
width of material is cut and it is not necessary, but remember that the opti-
mum blade will cut most efficiently. Too fine a blade must be fed slower on
wide material because the small gullets between the teeth will get packed
with chips before they get across and out of the cut. Too coarse a blade
must be fed slower because it has fewer teeth cutting and there is a limit to
the depth of a cut taken by each tooth. Allowance for the use of a non-opti-
mum blade is made in STEP 5.
In our Example #1: Effective material width of 8” (200 mm) & Optimum blade has 2/3 teeth per inch.
Optimum Blade Pitch ( T.P.I.
MAT’L WIDTH as % of CAPACITY