Woodworker's Journal 1984-8-1, страница 26
be grooved to allow trapped air and excess glue to escape. Figure 7 shows a simple jig which will score a spiral groove in a length of dowei. The stock is inserted in the proper hole and twisted as it is pushed through. Another method is to simply lay the sharp edge of a rasp or half-round file diagonally on the dowel and use the rasp to roll the dowel along the bench top. With downward pressure, the rasp will score a spiral groove in the dowel. ideally, it should take a light tap of the mallet to drive dowel pins into their holes. Pins that can be easily inserted or removed with the Fingers are too loose. Also, pins that must be driven home with heavy blows are too tight and stand a good chance of splitting the workpiece. It's not easy to get dowel pins to Fit just right as there are variables both in dowel stock diameter and also in the diameters of drill bits. A novice can get very confused and frustrated when he Finds that the 3/« in. auger he purchased bores a hole that will take his dowels nicely but, oddly enough, the auger will not fit in the 3/» in. hole of his turret-type doweling jig. To make matters worse, he may Ftnd that an ordinary J/s inch twist drill Fits the jig but bores holes too tight for the dowels. Part of the problem is that some dowel stock purchased at lumberyards may have a high moisture content and thus be slightly oversize. Also, twist drills made for metal work may be closer to J/s inch diameter than some augers made exclusively for woodworking. The best approach to the problem is to carefully dry your dowel stock before use. If it's swollen with moisture, you can be assured that the pins will dry out, shrink and work loose after the joint is made. Store your dowel (continued on next page) PLEASE READ rtpw you can build your own iindir. Up to POUR adders on one 11 - B!L?, THICXHES5. DISK, CRO.. NO KITS or «lp«n,|vr p>r&K to buy. Bui id with p*rt* you !.,v, Or buy loc*lly. PUUfS - 512.on OS 5 AN PCn - J send SItiTTpcd Envelope P.O. box }»OII rot * rR£E erocrurt cntrlaaton, 5C 29407 purniture Hardware r fTjhair Cant 1?" jimp I'art*. rstfl BrMthlw fld. DepLWJ Upper Fills, Md 21156 (301>SB2-B505 Catalog: S1 50 3rd Clua or 12 50 Gtua Realistic Feathers :..HOT TOOL! Cic 95 OlD. SIM POSTAGE Mass Residents add ^Hi Ofcatar llHtUtft9$ WetCOmea SEND TODAY FOR BROCHURE HOT TOOLS. Inc. pq Ho* • ««••».« eiws ' * .WOODWORKERS! I Send For Color Catalog If" j 1100's patterns. veneers loy supplies. '/I; ■ hardwoods, shaker pegs, candle cups. JL* L-' [dowels, spindles, cane. rusn. spllnl. I I boohs, repro hardware, abrasives, morel Bonus scarier i iotters included1 Hurry' Send Si now tRelundabiei Morgan Woodworking Supplies. Dept. W04M08 I 1123 Bardstown ftd . Louisville. Ky. 40204 TABIC STROKC SRNDCR 1 Models Deluxe ILMS Mm r i . F II B $585.00 — $685.00 BALL $750.00 - $900.00 BEARING Sand 1H" xii' & X' Sidfstroke <S String .Vaiders Acathble. Kiln .140 la S-)20. IS McCall Houte, Box 1950-C Lenoir, M.C. 2HK45 704-75S199I j
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