Trouble
Blade forms cracks at base of teeth.
Cracks on back edge of blade.
Blade breaks prematurely.
Blade breaks close to weld.
Premature dulling of saw teeth.
Probable Cause | Remedy | |
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Teeth not suitable for particular job, or | Replace with proper blade for job. | |
are incorrectly set. |
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Blade thickness not suitable for band | Replace with proper thickness blade. | |
wheel diameter. | ||
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Blade sharpened incorrectly, | Sharpen blade properly or replace. | |
becomes overheated. | ||
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Band wheels have become | Contact service representative. | |
misaligned. | ||
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Workpiece being fed too quickly. | Reduce feed speed to lessen strain | |
on the blade. | ||
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Welding on blade not perfectly | Eliminate the welded part, and re- | |
weld properly; or acquire a new blade. | ||
aligned. | ||
Round the back edge of a new blade. | ||
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Thrust bearing is worn; caused by | Replace thrust bearing. Adjust new | |
bearing according to instructions (see | ||
constant contact with back of blade. | ||
page 20). | ||
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Feed force too great. | Reduce feed force. | |
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Blade pitch too coarse. | Refer to blade selection chart; use | |
finer pitch blade. | ||
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Support bearing not properly | Check support bearing for correct | |
position and signs of wear. Adjust or | ||
supporting blade. | ||
replace as needed. | ||
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Blade tensioned too tightly. | Reduce tension (see page 17). | |
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Blade overheated during welding. | Have blade annealed, or eliminate | |
brittle part and weld correctly. | ||
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Blade cooled too rapidly after welding. | Have blade annealed, or eliminate | |
| brittle part and weld correctly. | |
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Blade “pitch” too fine. | Refer to blade selection chart (page | |
31). Use blade with coarser pitch. | ||
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Feed pressure too light. | Increase feed pressure. | |
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Cutting rate too low. | Increase feed pressure and cutting | |
rate. | ||
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Incorrect choice of blade. | ||
blade from the chart (page 31). | ||
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Chipped tooth or foreign object | Stop the saw and remove lodged | |
lodged in cut. | particle. Replace blade if damaged. | |
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