Sharp SW-120NC, Instruction Manual

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#5. Body Breakage Or Cracks From Back Edge
Probable Cause :
A. Excessive back-up guide "preload" will cause back
edge to work harden which results in cracking.
B. Excessive feed rate.
C. Improper band tracking – back edge rubbing heavy
on wheel flange.
D. Worn or defective back-up guides.
E. Improper band tension.
F . Notches in back edge from handling damage
#6. Tooth Strippage
Probable Cause :
A.
Improper or lack of break-in procedure.
B. Worn, missing or improperly positioned chip brush.
C. Excessive feeding rate or feed pressure.
D. Movement or vibration of material being cut.
E. Improper tooth pitch for cross sectional size of
material being cut.
F. Improper positioning of material being cut.
G. Insufficient sawing fluid due to inadequate
supply,improper ratio and/or improper application.
H. Hard spots in material being cut.
I. Band speed too slow for grade of material being
cut.
#7. Chips Welded To Tooth Tips
Probable Cause :
A. Insufficient sawing fluid due to inadequate supply,
improper ratio and/or improper application.
B. Worn, missing or improperly positioned chip brush.
C. Improper band speed.
D. Improper feeding rate.