Ryobi BTS10 Operator's Manual page 7

Heel
Misalignment oftheblade,
Kerf
The amount of material removed by the blade in a through-
cut, or the slot produced by the blade in non-through or partial
cut.
Kickback
An uncontrolledgrabbing or throwing of the workpiece back
toward the front of the saw. Associated with the workpiece
closing the kerf and pinching the blade or otherwise placing
tension on the blade.
Leading End
The end of the workpiece which, during a rip type operation,
is pushed into the cutting tool first.
Miter Cut
A cutting operation made with the wood at any angle other
than 90 ° to the blade.
Molding
A cut which produces a specialshape in the workpiece,used
for joiningor decoration.
Non-Through Cut
Any cutting operation where the blade does not extend
completelythrough the thicknessof the workpiece.
Push Block
A device used tofeed the workpiecethrough the saw, except
duringnarrow riptype operationswhere a push stickshould
be used. It also helps keep the operator'shands well away
from the blade.
Push Stick
A device used to feed the workpiecethrough the saw to help
keep the operator'shands well away from the blade.
Rabbet
A notch in the edge of the workpiece.
Resin
A sticky,sap-based substancethat has hardened.
Rip Cut
A cutting or shapingoperationmade alongthe length or grain
of the workpiece.
Rip Fence
Adjustable guide used in ripping cuts to keep the workpiece
parallelto the saw blade.
Riving Knife
Also known as a separatoror spreader.A metal piece slightly
thinnerthan the saw blade which helps keep the kerf open
during cuttingand preventskickbacks.
RPM
Revolutionsper Minute. The number of turns completed by
a spinningobject in one minute. Used to measure the speed
of the blade.
Saw Blade Path
The area over, under, behind, or in front of the blade. As it
appliestothe workpiece,that area whichwillbe, or has been,
cut by the blade.
Set
The distance that the tip of the saw blade tooth is bent (or
set) outward from the face of the blade.
Throat Plate
That part of the table surface through which the blade
protrudes.Removal of the throat plate allows access to the
blade arbor.
Throw-Back
Throwing of a workpiece in a manner similar to a kickback.
Usually associatedwith a cause otherthan the kerf closing,
such as a workpiece being droppedonto the blade or being
placed inadvertentlyin contact with the blade.
Through Sawing
Any cutting operation where the blade extends completely
through the thickness of the workpiece.
Trailing End
The end of the workpiece last cut by the blade in a ripping
operation.
Workpiece
The piece of wood on which the cutting operation is being
performed.
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