COMPANION 315.241940 Operator's Manual page 9

Anti-Kickback Pawls (radial arm and table saws)
A dev?se which, when property ?nste]lad and maintained,
is designed to stop the workplace from being kioked back
toward the front of the saw during a rippingoperation.
Arbor
The shaft on which a blade or cutting tool is mounted,
Bevel Cut
A cutting operation made with the blade atany angle
otherthan 90" to the table surface.
Chamfer
A cut removinga wedge from • block so the end (or part
of the end) is angled ratherthan at 90 °.
Compound Cut
A cross cut made with both e miter end a bevel angle.
Crosscut
A cutting or shaping operationmade across the grain or
the width of the workpieee.
Cutter Head (Planers and Io/ntera|
A rotating plaoe of adiustablablades. The cutter heed
removes materialfrom the workplece.
Dedo Cut
A non-throughcut which producese squara-sJdsdnotch
or hough in the work, piece (requiresa epsolai blade).
Featherboard
A device used to help centre] the workpJecaby guiding Jt
securelyagainst the table or fence duringany ripping
operation.
FPM or SPM
Feet per minute (or strokes per minute), used in reference
to blade movement.
Freehand
Performinga cut without the workplace being guided by a
fence, miter gauge, or other aids.
Gum
A sticky, esp-bassd residue from wood products,
Heel
Alignment of the blade to thefence.
Kerr
The material removed by the blade in a through out or the
slot produced by the blade in a non-through or pertlal cut.
Klckback
A hazard that can occur when the blade binds or stalls,
throwingthe workpleoe back towerd operator.
Leedlng End
The end of the workpieoe pushed intothe tool first.
Miter Cut
A cutting operation made with the workp?eoeat any angle
to the blade other than 90 °,
Non-Through Cuts
Any cutting operation where the blade does not extend
completelythrough the thickness of the workpiecs.
Push Blocks and Push Sticks
Devicesused to feed the work:piecethroughthe saw
blade during cutting operations.A push stick (not a push
block)shouldbe used for narrow rippingoperations.
These aids help keep the operator's hands well away from
the blade.
Pilot Hole (drill presses]
A small hole drilled in a workpiece that serves as a guide
for drillinglarge holes accurately.
Ra_w¢
A cutting operationto reduce the thickness of the work-
piece to make thinnerpieces,
Resin
A sticky,eep-based substanoethat hashardened.
Ravoful_tons Par Minute (RPM)
The number of turnscompleted by a spinning object in
one minute.
Ripping or Rip Cut
A cutting operation along the length of the workplace.
Riving Knife (table saws)
Also known as a spreader or splitter. A metal piece,
slightlythinnerthan the sew blade, which helps keep the
kerr open and also helpsto preventkickback.
_v Blade Path
The area over, under,behind, or in front of the blade. As
it appliesto the wcrkpiece, that areawhich will be 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.
Snips (planers}
DeprassJon made at either end of s workplace by cutter
bladeswhen the workpiece is not properlysupported.
Throw-Beck
The throwing back of a workpiece usuallycaused by the
wcrkplacs being dropped into the blade or being placed
inadvertentlyin contact with the blade.
Through Sawing
Any cutting operationwhere the blade extends completely
through the thickness of the wcrkpleca.
Work.piece or Material
The item on which the operation is being done.
Worktable
Surface where the workpiece rests while perforatinga
cutting,drilling,planing,or sandingoperation.
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