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HALF-BLINDHALF-LAPIOINTS A variation of the T halfJap, the halfblind halfJapjoint conceals theend grain of onemember.Thesocket for the halfJapcanbecut with a roLtter, as shownbelow,or by handusinga chisel.
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MAKING A HALF.BTIND HAIF.LAP J(|INT
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thehalf-lap 1 Gutting I Makethisjointbycutting thehalf-lap onthetablesawfirst,andthenrouting outthesocket. Marktheshoulder of thehalf-lap onthe leading edgeof onepiece. Installa dadoheadandsetthecuttingheightto one-half thestockthickness. Butt theshoulder markagainst theoutside bladeof thedadohead,thenposition therip passes, fenceflushagainst theworkpiece. Cutawaythewastein successive workingfromtheendof theboard to theshoulder mark.Makethefinalpasswiththe (Caution: guardremoved boardflushagainst thefence(above). Blade forclarity.)
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r") Cutting thejointsocket plywood Z A templateis usedto rout outthesocket. Outline thehalf-lao cut in Step1 onthetemplate, thencutout the patternwith a bandsaw,saber sawor copingsaw.Fasten a fenceto the cut-outedgeof thetemplate with countersunk screws. Secure thetemplate andtheworkpiece in a vise,aligning the cut-out withtheoutlineonthestock. Install a top-piloted straight bit in your routerandmakethecutting depthequal plusthe to one-half thestockthickness thickness of thetemplate. Routtheoutlineof thesocket bykeeping thebitpilot against thetemplate, thenremove the remaining wastebymoving therouterin a clockwise direction, against thedirectionof bitrotation. Usea chisel to souare thecorners.