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To all my esteemed, multi-talented woodworking buddies who always resolve the most complex difficulties associated with WWing, I pose this dilemma. I like to make jewelry boxes and prefer nice-looking tight joints and square corners. One problem that drives me to religion is my inability to achieve such joinery. I'm out of square by about 1/32" along an 11-inch run. There is a 1/64' difference in distance between the 2 diagonals. Perhaps trivial, maybe I just need to stop drinking so much coffee. Today, I launched a full frontal assault on the problem as follows: I have Grizzly table saw, M#1023 3 HP, equipped with an Incra Miter 3000 miter gauge, and a Freud 50-tooth blade. Using a Starrett combination square that cost the equivalent of an arm and a leg and is accurate to the diameter of an atom, I checked the setting of the miter gauge to the blade, its good at 90 degrees. Using the same square, I checked the vertical alignment of the blade, it is 90 degrees to the table top. Using a digital depth gauge, I checked the parallel rotation of the blade to the left miter slot, its good within 0.002" all around the blade, indicating it is not bent. Using a micrometer, I checked for wobble in the shaft indicating a bad bearing, there is none. I then examined the miter gauge and found (horrors!) a slight end play (<1/64", 1/128"?) at the feed end of the bar that slides in the slot. Using an allen wrench and an ape I had to rent to loosen the screw holding the slotted nylon bearing in place, I removed the bearing and noted it had a very slight flat spot on it. AHA! I moved it around 180 degrees to a better surface. I re-seated the bearing, employed the ape, and discovered I have the same end play. Now what? I dropped for 20 pushups and came in for a nap. Any insight is welcome and much appreciated. hat
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Got some Christmas money to spend-- Help Me
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- incra
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I received my new Incra Miter today. My old miter had no slot adjustment and too much slop. It was also cheaply made. I decided to do the full adjustment cycle on the blade angle, blow and clean the adjustment screws, etc. The Incra was easy to set up and I did some testing and it was very accurate with simple adjustments. The slot adjustments seem OK, but cheaply made. After ripping some angles and checking them, I do like it. I was using a thin kerf Frued blade. When you cut angles or you really want very good close fit, is it better to use a thicker blade? I would see a very smooth area and then an area that showed some slight roughness Probably time for a new blade
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Anyone who has been wanting an Incra 1000HD miter gauge but balked at the $200 price tag here's your chance. Rockler has them on sale from 10/1 to 10/28 for $129.99. I bought mine about 5 years ago when they went on sale for under $100 and totally love it. With the adjustable miter bar it fits my 1986 Craftsman saw perfectly.
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