Mortise gauge plan - wedge version |
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Mortise gauges are made with two spurs (nails) which mark two lines parallel to the edge of a workpiece, showing the position of a tenon or mortise or a similar joint. This avoids having to score two lines separately, and makes for greater accuracy. The spurs must be able to move independently, and be locked in any position by the fence. The spurs are made from nails cut down and hammered into the ends of each half of the stem.
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Parts List
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Assembly drawing
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1. Main Stem
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2. Fence
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3. Wedge
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4. Nail D2x28mm (D maximum 2mm) - Standard part
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5. Stem
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6. Nail D2x18mm (D maximum 2mm) - Standard part
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Assemblage instructions |
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1. Drill a holes (on the main stem and the stem), slightly smaller than the diameter of the nails. Drilling the holes first prevents the wood from splitting. Hammer the nails into the holes. Sharpen the ends with a file.
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2. Fit the two parts of the stem together and if necessary trim the ends with a chisel or sharp knife so that the distance between the spurs is 6mm.
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3. Assemble the gauge.
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