Popular Woodworking 2009-06 № 176, страница 10
■ Tricks of the Trade • Accurate and Easy Joint-depth Gauge A straight mortise-and-tcnon joint requires each tenon cheek to be flat. of consistent thickness and parallel to the bod)- of the workpiccc. If a cheek is twisted or angled relative to the faces of the workpiccc. the result can be a twisted assembly. The s goes for an end rabbet joint. Thissimple tool can quickly check joint cheeks for twist or angles. It's nothing more than a straight piece of wood outfitted with a projecting screw eye. It work* a* sort of a jointchccfc combination depth gauge/sc raich awl. with the point of the screw eye markingany high spots that need trimming. Tomakcthcjig.uscflat.sablc.acxuratcly Touse the jig. rest it on the workpiccc thk.kncsscdsux.kof about >A"x2*x9". Drill face, adjust the screw so the point tardy a snug pilot hole about V»* In from one end touchcsthe jointscheek surface, t hen sli.le and install a sturdy screw eye with a sharp the point along the surface. The lip of tti tip. (A standard screw will work, but it won't adjust as quickly.) screw will scratch any high spots that nc:d paring. Pare and revhcck as needed until the point consistently skims the cheek at the desired depth. This technique can be used to fine-tune hand-cut tenons as well as to validate the resultsof machine setups. — Rob POrcaro. Med field. Massachusetts Safe Brush and Small Tool Storage I u*e a wide variety of artist's brushes for touch ups in my restoration business. In t he past, storage of these was always a hassle because the delicate bristles can be easily damaged or deformed if the brushes are clumped together. When a cigar-smoking friend give n»e a hag of plasi k cigar lubes, I solved my problem by pxklnga bunch of the t ubes i n a coffee can. Now my brushes stand upright without touching one another, and they're readily available and easily identified. In lieu of cigar tubes, you could cut up appropriate lengths of WCFVC water ptpe or '/»• PV'C electrical conduit, available at home-supply stores. Easy Band Saw Bearing Adjustment When adjustingthe thrust hearingson check the semngafter tightening each a hand saw. they should be set just a few bearing's lock screw to ensure the screw thousandthsof an inch behind the Wade, hasnl shifted the bearing forward. The idea isthat the blade shouldn't contact — Paul Anthony. PW contributor the bearing when the saw is freewheeling - only when a work piece ts pressed against it. Andthe blade should barely move backward before con-lading the bearing, The traditional method of adjustment is to slip adollar bill bet ween the bcaringandthe rear ofthc blade, but I've always found this procedure awkward Instead, I have dew loped my own approach, which I find to be much caster. Using a thick marker. I draw a few line* on the edge of each bear ingso I canclearlv see when it's moving. While slowly rotating the band saw wheel by hand. I adjust the thrust bearing forward until contact wit h t he blade causes it to spin, then I slowly back it off until it stops. The technique works great, and it's fast Just make sure todouble- 18 ■ IVfttUr WoihIhwVku (BBC3009 |
