R4512 true 90 problem

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Forum topic by WooDR67 posted 04-20-2014 04:46 AM 1079 views 0 times favorited 2 replies Add to Favorites Watch
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74 posts in 2550 days

04-20-2014 04:46 AM

Topic tags/keywords: question tablesaw blade r4512 rigid blade drift 90 right angle

I am attempting to make a simple cedar step stool for my nephew and I had all the wood joined and sanded. All that needed to be done was to cut the panels to size, round the edges on my router table and then assemble using my new Kreg Jig Master System. Now because Im a on again off again perfectionist I decided to check the 90’s with an engineers square. Come to find out, i had three perfect 90’s and one that was off about 1/16 of an inch . After checking it 300 timesI made sure that my fence is parallel to the blade, the blade is parallel to the miter slot and the miter gauge was perpendicular to the blade.

When I look at the cut, it looks as though the blade cuts into the wood at a very slight angle but then drifts back into position, creating a high corner that not square and three others that are square. The result is the same whether i use the rip fence or the miter gauge. Ive had this saw for about 3 years now but I haven’t used it a great deal. Any advice i could get on this issue would be much appreciated.

-- "It is amazing what you can accomplish when you dont care who gets the credit"

2 replies so far

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8178 posts in 3613 days

#1 posted 04-20-2014 11:37 AM

How much visual or functional difference will that slight deviation make?

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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69 posts in 2193 days

#2 posted 04-20-2014 01:31 PM

I have the same saw and had the same problem. What I found was that the riving knife was not lined up with the blade and when the wood got to the riving knife it shifted right causing the high corner that you described. Not sure this applies being as you got 3 square corners but it might be something to check.

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