Q

SELECTION OF TOOTH PITCH

A

Workpiece Length(mm) Teeth Per Inch (TPI)
3/4 2/3 1.4/2 1/1.5 0.75/1.25
50-250        
250- 350        
350-500        
500-800        
800-2000        

Q

TROUBLESHOOTING

A

Problem Description Problem Cause
Blade Breakage Blade tension too high
Workpiece held loosely
Improper Parameters
Sharp torsional angle of machine bed
Workpiece dimension out of blade working range
Premature Teeth Wear Insufficient break-in of new blade
High hardness of workpiece
Improper blade selection
Tooth Breakage Feed rate too high when begin or complete
Improper break-in when blade newly replaced
Chipped tooth stuck in kerf
Feed rate too high when cutting thin-waled tubes, structural materials or uneven cutting surface
Chip brush not working
Inaccurate Cutting Band tension too low
Incorrect parameters( blade speed and feed rate too high )
Heavy wear on tooth
Guide blocks and bearing wear out
Two guide surfaces out of alignment
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