Craftsman 315.175 owner manual Routing, Thrust

Tomakedeepercutsit isthereforenecessaryto makeasmanysuccessivepassesasrequired, loweringthebit118inchfor each new pass. In order to

save time, do all the cutting necessary at one depth setting, before lowering the bit for the next pass. This will also assure a uniform depth when the final pass is completed. See Figure 12.

		2ND. PASS
2ND.	1ST.	1ST. PASS
PASS	PASS

Fig. 12

DIRECTION OF FEED AND THRUST

The muter motor and bit revolve in a clockwise dirc- tion. This gives the tool a slight tendency to twist (in your hands) in a counterclockwise direction, especially when the motor revs up (as at starting).

Because of the extremely high speed of bit rotation during a =proper feeding" operation, there is very little kickback to contend with under normal conditions. However, should the bit stdke a knot, hard grain, foreign object, etc. that would affect the normal

pr gress of the cutting action, there will be a slight kickback p sufficient to spoil the trueness of your cut if you are not prepared. Such a kickback is always in the direction opposite to the direction of bit m tation.

To guard against such a kickback, plan your setup and direction of feed so that you will always be thr sting the tool --to hold it against whatever you are using to guide the cut --in the same direction that the leading edge of the bit is moving. In short, the thrst should be in e dim ction that keeps the sharp edges of the bit continuously biting straight into new (uncut) wood.

ROUTING

Whenever you are muting a groove, your travel should be in a dir ction that places whatever guide you are using at the right-hand side. In short, when the guide is positioned as shown in the first part of

Figure 13, tool travel should be left to right and counter Iockwise arund curves. When the guide is positioned as shown in the second part of Figure 13, tool travel should be right to left and clockwise around curves. If there is a choice, the first setup is generally the easiest to use. In either case, the sideways thrust you use is against the guide.

GUIDEOUTSIDE

ROTATION

THRUST

ROTATION

GUIDEFEED

GUIDEINSIDE

THRUST

FEED Fig. 13

12