Grizzly G0453PX - Manual (Page 39)

-33- Model g0453z/g0454z (Mfg. 1/09+)
Machine Operation (continued)
symptom possible Cause possible solution
Fuzzy grain. 1. Workpiece has high moisture content or
surface wetness.
2. dull inserts.
1. sticker and allow workpiece to dry if moisture
content is over 20% or has surface wetness.
2. rotate/replace inserts ( Page 34).
Long lines or ridges
that run the length
of the workpiece. 1. nicked or chipped inserts. 1. rotate/replace inserts ( Page 34).
uneven cutting
marks, wavy
surface, or chatter
marks across
the face of the
workpiece. 1. Feed rate too fast.
2. Chip breaker or pressure bar set unevenly.
3. Bed rollers set too high or low; not even with
each other.
4. insert(s) not properly installed.
5. Worn cutterhead bearings.
1. reduce feed rate ( Page 24).
2. Adjust the height of the chip breaker or pressure bar
( Page 38).
3. properly adjust the bed roller height ( Page 25).
4. remove insert(s), then properly clean and install
( Page 34).
5. replace cutterhead bearings.
glossy surface. 1. inserts are dull.
2. Feed rate too slow.
3. depth of cut too shallow. 1. rotate/replace inserts ( Page 34).
2. increase feed rate ( Page 24).
3. increase depth of cut ( Page 25).
inconsistent chip
marks. 1. Chips are not being properly expelled from
around the cutterhead.
1. use an adequate dust collection system; adjust the
chip deflector in or out, depending upon your setup
(
Page 41).