page 24 — Sp1 pavement Saw • operation anD partS manual — rev. #0 (01/04/10)
Figure 10 highlights the components of a diamond blade.
Figure 10. Diamond Blade
1.
Drive pin Hole – A commonly located hole on the
diamond blade core that prevents operational blade
slippage between the inner & outer blade flanges
(collars). Inspect the diameter of the hole to ensure
there is no distortion, and that a snug fit develops
between the hole and drive pin.
2.
Stress relief Holes (gullets) – Check the steel core
for cracks that may have propagated from the slots and/
or gullets. Cracks indicate extreme fatigue failure and if
sawing continues, catastrophic failure will occur.
3.
edge of the Steel Core – Check the diameter edge for
discoloration (blue oxidation) indicating an overheating
condition caused by insufficient cooling water/air.
Overheating of blades may lead to loss of core tension
and/or increase the possibility for blade failure. Check
to make sure the steel core’s width is uniform about
the rim of the blade, and not succumbing to an “under
cutting” condition brought about by highly abrasive
material or improper under cutting core protection.
4.
Directional arrow – Check to ensure that the blade is
oriented properly on the spindle for sawing. Reference
the directional arrow on the blade and place it so the
direction of rotation “downcuts” with the turn of the
shaft.
5.
Diamond Segment or rim – Ensure there are no
cracks, dings, or missing portions of the diamond
segment/rim.
Do not
use a blade that is missing
a segment or a portion of the rim. Damaged and/
or missing segments/rims may cause damage to your
saw, and injury to the user or others in the operating
area.
6.
Specifications – Ensure that the blade specifications,
size, and diameter properly match up to the sawing
operation. Wet blades must have water to act as
a coolant. Utilizing a diamond blade not matched
properly to the task may result in poor performance
and/or blade damage.
7.
arbor Hole – It is essential that the arbor hole diameter
properly matches the shaft arbor, and that it is free
from distortions. Correct blade flanges (collars) must
be used. The inside face of the flanges must be clean
& free of debris. An out of round arbor condition will
cause damage to the blade and the saw.
8.
maX rpm – This RPM reference is the maximum safe
operating speed for the blade selected.
never exceed
the max RPM on the diamond blade. Exceeding
the MAX RPM is dangerous, and may cause poor
performance and may damage the blade. All blades
used must be designed for the maximum spindle
RPM.
blades
Содержание SP118OFT
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