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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