Cutting (Jointer and Planer)

Symptom

 

 

Possible Cause

Possible Solution

 

 

 

 

 

 

Excessive

snipe

1.

Outfeed table is set too low.

1.

Align outfeed table with cutterhead knife at top dead

(gouge

 

in the

end

 

 

 

center (Page 18).

of the board that is

2.

Operator pushing down on trailing end of

2.

Reduce/eliminate downward pressure on trailing end

uneven with the rest

 

workpiece.

 

of workpiece.

of the cut).

 

 

 

 

 

 

3.

Workpiece is not supported as it leaves the

3.

Support the workpiece as it leaves the outfeed end

 

 

 

 

 

 

 

 

 

 

 

planer.

 

of the planer.

 

 

 

 

 

 

Workpiece

stops/

1.

Taking too heavy of a cut.

1.

Take a lighter cut.

slows in the middle

2.

Table not parallel with head casting.

2.

Adjust the table so it is parallel to the head casting

of the cut.

 

 

 

 

 

(Page 50).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Pitch and glue build up on planer compo-

3.

Clean the internal cutterhead components with a

 

 

 

 

 

 

nents.

 

pitch/resin dissolving solvent.

 

 

 

 

 

Chipping (consistent

1.

Knots or conflicting grain direction in wood.

1.

Inspect workpiece for knots and grain direction; only

pattern).

 

 

 

 

 

 

use clean stock.

 

 

 

 

 

2.

Nicked or chipped knife or carbide insert.

2.

Replace the knife or rotate/replace affected insert

 

 

 

 

 

 

 

 

(Page 43 or 45).

 

 

 

 

 

3.

Taking too deep of a cut.

3.

Take a smaller depth of cut. (Always reduce cutting

 

 

 

 

 

 

 

 

depth when surface planing or working with hard

 

 

 

 

 

 

 

 

woods.)

 

 

 

 

 

 

 

 

Fuzzy grain.

 

 

1.

Wood may have high moisture content or

1.

Check moisture content and allow to dry if moisture

 

 

 

 

 

 

surface wetness.

 

is too high.

 

 

 

 

 

 

2.

Dull knives or inserts.

2.

Rotate/replace the knives or inserts (Page 43 or

 

 

 

 

 

 

 

 

45).

 

 

 

 

 

 

 

Long lines or ridges

1.

Nicked or chipped knives or inserts(s).

1.

Replace or

offset knives or rotate/replace inserts

that run

along

the

 

 

 

(Page 43 or

45).

length of the board

 

 

 

 

 

Uneven

knife

or

1.

Knives not adjusted at even heights in the

1.

Adjust the knives so they are set up evenly in the

insert

marks, wavy

 

cutterhead.

 

cutterhead (Page 43).

surface,

or

chatter

2.

Carbide inserts not installed evenly.

2.

Make sure carbide inserts do not have debris under

marks

across

the

 

 

 

them; make sure inserts are torqued down evenly.

face of the board.

 

 

 

3.

Worn cutterhead bearings.

3.

Replace cutterhead bearings.

 

 

 

 

 

 

 

 

 

 

 

Glossy

surface.

1.

Knives or carbide inserts are dull.

1.

Rotate/replace the knives or inserts (Page 43 or

(Planer)

 

 

 

 

 

 

45).

 

 

 

 

 

 

2.

Cutting depth too shallow.

2.

Increase the depth of cut.

 

 

 

 

 

 

Chip Marks

(incon-

1.

Chips aren't being properly expelled from

1.

Use a dust collection system

sistent

pattern).

 

the cutterhead.

 

 

 

(Planer)

 

 

 

 

 

 

 

 

Board edge is con-

1.

Board not held with even pressure on infeed

1.

Hold board with even pressure as it moves over the

cave or convex after

 

and outfeed table during cut.

 

cutterhead.

 

jointing. (Jointer)

2.

Board started too uneven.

2.

Take partial cuts to remove the extreme high spots

 

 

 

 

 

 

 

 

 

 

 

 

 

before doing a full pass.

 

 

 

 

 

3.

Board has excessive bow or twist along its

3.

Surface plane one face so there is a good surface to

 

 

 

 

 

 

length.

 

position against the fence.

 

 

 

 

 

4.

Insufficient number of passes.

4.

It may take 3 to 5 passes to achieve a perfect edge,

 

 

 

 

 

 

 

 

depending on starting condition of board and depth

 

 

 

 

 

 

 

 

of cut.

 

 

 

 

 

 

 

 

 

 

 

-38-

G0633/G0634 Jointer/Planer Combo Machine

Page 56
Image 56
Grizzly G0634Z manual Cutting Jointer and Planer, 43 or