Butt Weld Breakage; Heavy Wear In Only The Smallest Gullets; Body Breaking - Fracture Traveling In An Angular; Body Breakage Or Cracks From Gullets - Sharp SW-100T Instruction Manual

#13. Butt Weld Breakage

#14. Heavy Wear In Only The Smallest Gullets

#15. Body Breaking – Fracture Traveling In An Angular Direction

#16. Body Breakage Or Cracks From Gullets

Probable Cause :
A. Any of the factors that cause body breaks can also
cause butt weld breaks.
(See Observations #5, #15 and #16)
Probable Cause :
A. Excessive feeding rate.
B. Too slow of band speed.
C. Using too fine of a tooth pitch for the size of material
being cut.
Probable Cause :
A. An excessive twist type of stress existed.
B. Guide arms spread to capacity causing
excessive twist from band wheel to guides.
C. Guide arms spread too wide while cutting
cross sections.
D. Excessive back-up guide "preload".
Probable Cause :
A. Excessive back-up guide "preload".
B. Improper band tension.
C. Guide arms spread to maximum capacity.
D. Improper beam bar alignment.
E. Side guide adjustment is too tight.
F. Excessively worn teeth.
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