Planer/Moulder Operations
Symptom | Possible Cause | Possible Solution | ||
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Excessive snipe (gouge in the end of | 1. | Outfeed extension slopes down or is | 1. | Shim the outfeed extension wing level |
the board that is uneven with the rest of |
| not level with the main table. |
| with the main table. |
the cut). | 2. | Workpiece is not supported as it | 2. | Hold the workpiece up slightly as it |
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Note: A small amount of snipe is inevi- |
| leaves the planer. |
| leaves the outfeed end of the planer. |
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table with all types of planers. The key is |
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minimizing it as much as possible. |
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Workpiece stops/slows in the middle of | 1. | Taking too heavy of a cut. | 1. | Take a lighter cut. |
the cut. | 2. | Headstock height set too low. | 2. | Slightly raise the height of the head- |
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| stock. |
| 3. | Pitch and glue build up on planer | 3. | Clean internal cutterhead components |
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| components. |
| with a pitch/resin dissolving solvent. |
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Chipping (consistent pattern). | 1. | Knots or conflicting grain direction in | 1. | Inspect workpiece for knots and grain |
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| wood. |
| direction; only use clean stock. |
| 2. | Nicked or chipped knife. | 2. | Replace the affected knife (Page 28), |
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| or have it sharpened. |
| 3. | Feeding workpiece too fast. | 3. | Slow down the feed rate. |
| 4. | Taking too deep of a cut. | 4. | Take a smaller depth of cut. (Always |
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| reduce cutting depth when surface |
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| planing or working with hard woods.) |
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Chipping (inconsistent pattern). | 1. | Chips aren't being properly expelled | 1. | Check and clean fan housing and |
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| from the cutterhead. |
| dust collection system for debris. |
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Fuzzy grain. | 1. | Wood may have high moisture con- | 1. | Check moisture content and allow to |
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| tent or surface wetness. |
| dry if moisture is too high. |
| 2. | Dull knives. | 2. | Replace the knives (Page 28) or have |
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| them professionally sharpened. |
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Long lines or ridges that run along the | 1. | Nicked or chipped knife(s). | 1. | Replace the knives (Page 28) or have |
length of the board |
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| them professionally sharpened. |
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Uneven knife marks, wavy surface, or | 1. | Feeding workpiece too fast. | 1. | Slow down the feed rate. |
chatter marks across the face of the | 2. | Knives not installed evenly. | 2. | Adjust the knives so they sit on both |
board. | 3. | Worn cutterhead bearings. |
| knife location collars. |
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| 3. | Replace cutterhead bearings. |
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Glossy surface. | 1. | Knives are dull. | 1. | Replace the knives (Page 28) or have |
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| them professionally sharpened. |
| 2. | Feed rate too slow. | 2. | Increase the feed rate. |
| 3. | Cutting depth too shallow. | 3. | Increase the depth of cut. |
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Uneven or crooked moulding pass. | 1. | Fence guide not adjusted correctly. | 1. | Ensure guide boards are parallel and |
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| adjusted correctly (Page 22) |
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Model G0477 15" Planer/Moulder |