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Before using this planer/moulder, inspect each and every workpiece for the following problems, and be familiar with the hardness of the wood workpiece.
Each workpiece must have at least one flat surface to slide along the planer/moulder table. To create a flat surface, pass the workpiece over a jointer (=`^li\
31). Defects such as twisting, loose knots or severe cracks may make the stock unusable.
When possible, square up stock before moulding. Plane equal amounts on each side of the board to reduce the chance of twisting or cupping.
Recognize the workpiece density. Planing is more difficult in hard species of wood and may require several shallow cuts to reach the desired thickness. =`^li\32 lists the hardness of many common woods based on shear strength.
Only use clean lumber. Scrape off all glue from joined boards before processing. Remove all dirt, nails, staples, imbedded gravel, etc. from any workpiece you plan on using. Metal or gravel in a workpiece will instantly damage the knives.
•Avoid processing a workpiece with a high moisture content. Wood with more than 20% moisture, or wood that has been exposed to rain or snow, will cut poorly and cause unnecessary wear on the knives and motor.
•Process ONLY wooden workpieces. Never process particle board, plywood, MDF, laminates, or other synthetic materials.
Feed wood in the same direction as the grain. Never feed
Portion |
Removed With |
Jointer |
=`^li\31.Face joint the concave side of
cupped workpiece before milling.
| TYPE | SHEAR (PSI) |
?8I; | Black Locust | 2,480 |
| Sugar Maple | 2,330 |
| Pecan Hickory | 2,080 |
| White Oak | 2,000 |
| White Ash | 1,950 |
| Black Cherry | 1,700 |
| American Elm | 1,510 |
| Black Walnut | 1,410 |
| Red Alder | 1,370 |
| Basswood | 1,280 |
| Cottonwood | 1,160 |
| Western Larch | 1,150 |
| Tamarack | 1,130 |
| Douglas Fir | 1,080 |
| Alaska Cedar | 1,050 |
| Sitka Spruce | 1,000 |
| Sugar Pine | 980 |
| Cypress | 940 |
| Redwood (OG) | 930 |
| Red Cedar | 860 |
| White Pine | 850 |
JF=K | Balsam Fir | 710 |
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=`^li\32.Wood density table.