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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