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| W1751 25" |
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Sanding and Results |
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SYMPTOM |
| POSSIBLE CAUSE |
| CORRECTIVE ACTION |
Edges of wood are | 1. | Excessive depth of cut. | 1. | Reduce depth of cut. |
rounded. |
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Uneven thickness | 1. | Feed table not parallel to sanding roller. | 1. | Adjust the table. |
from left to right | 2. | Conveyor belt is worn. | 2. | Replace conveyor belt. |
of board. |
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Workpiece slips | 1. | Pressure rollers set too high. | 1. | Lower pressure rollers. |
on conveyor belt. | 2. | Dirty conveyor belt. | 2. | Clean conveyor belt. |
| 3. | Conveyor belt is worn. | 3. | Replace conveyor belt. |
Straight strip | 1. | Pressure rollers are dirty or damaged. | 1. | Clean or repair pressure rollers. |
of notches on |
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workpiece. |
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1. | Sanding belt damaged or dirty. | 1. | Clean or replace sanding belt. | |
marks on |
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workpiece. |
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Sandpaper quickly | 1. | Sanding belt has been stored in a damp | 1. | Store sanding belt away from extremely |
becomes dull. |
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| damp or wet environments. |
| 2. | Sanding belt has been folded or smashed. | 2. | Store sanding belt on end or hang them, |
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| not folded or bent. |
Burn marks on | 1. | Using too fine of sanding grit. | 1. | Use a coarser grit sanding belt |
workpiece or | 2. | Sanding depth too aggressive. | 2. | Reduce sanding depth and/or install |
sandpaper. |
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| coarser sandpaper. |
| 3. | Work held still for too long. | 3. | Do not keep workpiece in one place for |
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| too long. |
Glazed sanding | 1. | Sanding wet stock. | 1. | Dry stock properly before sanding. |
surfaces. | 2. | Sanding stock with high residue. | 2. | Use different stock. Or, accept the char- |
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| acteristics of the stock and plan on clean- |
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| ing/replacing sanding belts frequently. |
SERVICE