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| N(/(+Fne\ijDXelXcD]^%('&'/" |
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:lkk`e^ |
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| GIF9C<D |
| GFJJ@9C<:8LJ< |
| :FII<:K@M<8:K@FE | |
Excessive snipe (gouge in | 1. | Knives set too high. | 1. | Set the knives just even with the outfeed table when | ||
the end of the board that |
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| they're at TDC (top dead center). | ||
is uneven with the rest of | 2. | Operator pushing down on trailing | 2. | Reduce/eliminate downward pressure on that end of | ||
the cut). |
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| end of the workpiece. |
| workpiece. | |
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Workpiece stops in the | 1. | Knives set too low. | 1. | Set the knives just even with the outfeed table when | ||
middle of the cut. |
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| they're at TDC (top dead center). | ||
Chipping. |
| 1. | Knots or conflicting grain direction | 1. | Inspect workpiece for knots and grain (GX^\ )(); | |
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| in wood. |
| only use clean stock. |
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| 2. | Nicked or chipped blades. | 2. | Adjust one of the nicked knives sideways; replace |
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| knives (GX^\)0). |
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| 3. | Feeding workpiece too fast. | 3. | Slow down the feed rate. |
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| 4. | Taking too deep of a cut. | 4. | Take a smaller depth of cut. (Always reduce cutting |
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| depth when surface planing or working with hard |
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| woods.) |
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Fuzzy Grain. |
| 1. | Wood may have high moisture con- | 1. | Check moisture content and allow to dry if moisture | |
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| tent or surface wetness. |
| is over 15%. |
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| 2. | Dull knives. | 2. | Replace knives (GX^\)0). |
Long lines or ridges that | 1. | Nicked or chipped knives. | 1. | Shift one of the nicked knives sideways so the nicks | ||
run along the length of the |
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| don't line up; replace knives (GX^\)0). | ||
board. |
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Uneven cutter marks, wavy | 1. | Feeding workpiece too fast. | 1. | Slow down the feed rate. | ||
surface, | or | chatter marks | 2. | Knives not adjusted at even heights | 2. | Adjust the knives so they are set up evenly in the |
across | the | face of the |
| in the cutterhead. |
| cutterhead (GX^\)0). |
board. |
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Board edge is concave or | 1. | Board not held with even pressure | 1. | Hold board with even pressure as it moves over the | ||
convex after jointing. |
| on infeed and outfeed table during |
| cutterhead. | ||
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| cut. |
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| 2. | Board started too uneven. | 2. | Take partial cuts to remove the extreme high spots |
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| before doing a full pass. |
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| 3. | Board has excessive bow or twist | 3. | Surface plane one face so there is a good surface to |
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| along its length. |
| position against the fence. |
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| 4. | Insufficient number of passes. | 4. | It may take 3 to 5 passes to achieve a perfect edge, |
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| depending on the starting condition of the board and |
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| the depth of cut. |
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