Festool Kapex KS 120 User Manual download pdf (Page 17)

Cutting Techniques

There are three basic cutting techniques for sliding miter

saws, but only two are proper and authorized. These are

Chop-Cut, Push-Cut, and the improper method is a Pull-Cut.

Supplemental User’s Manual 17

Chop-Cut

A chop-cut is used for cutting narrow or tall stock, where

the front edge of the workpiece is behind the center of the

sawblade. For this type of cut, the saw head is brought

straight down into the cut.

Push-Cut

A push-cut is used for cutting wider boards, but is also

usable in most situations where a chop-cut could be used.

For this type of cut, the saw head is pulled out toward the

operator, plunged downward, and the primary cutting of the

workpiece occurs as the saw head is being pushed back

toward the rear of the saw (as shown in the picture below).

Pull-Cut (Improper Method)

WARNING! To reduce the risk of injury from loss

of control, never use the pull-cut technique.

The third type of cut, called a pull-cut, or climb-cut, should

be avoided for both safety reasons and for cutting

performance reasons. This type of cut is made by plunging

the saw head down, and then pulling it forward. The danger

of this type of cut is that the sawblade wants to self-feed

into the cut (called climb-cutting), and this can cause the

saw head to jump forward unexpectedly. The reason this

type of cut results in a poor quality cut is because it is using

two different actions for the same cut. It starts out with a

lunge-cut, and then finishes with a climb-cut. This means

that the sawblade is cutting the wood in two different

manners, and there will frequently be a rough edge at the

transition from one type of cut to the other.

Tips for Successful Cutting

► For more accurate cuts, mark your cutting length with

a thin pencil line. A thick line will result in a less

accurate cut length.

► When fitting one piece to another, it may be helpful to

make the initial cut slightly long, and then trimming

the cut to final length after test-fitting the piece.

► When cutting a new board, cut off the original factory

end to ensure a square, fresh end, before measuring

for your final length.

► When cutting small trim, use a zero clearance fence

and/or insert to prevent small offcuts from being

thrown behind the fence by the windage from the

spinning blade (see page 23).

► When cutting multiple pieces of varying lengths from

a limited supply of stock, always cut the longest

pieces first, and cut the remaining pieces from the

leftovers.

► Do not force the blade through the cut. A cleaner

edge will be achieved with a steady, moderate feed

rate.

► A chop-type of cut yields the lowest tearout on the

front and top edges of the cut, but the most tearout

on the rear side of the cut.

► A push-type cut yields moderate tearout on the top

surface, but the best cut edge.

Diagram of Push-Cut Method

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

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Festool Kapex KS 120 User Manual Page 17

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