One should not assume his miter gauge is square

[goaliedad]

Just because it was the last time he used it.

I am making a batch of flag cases- cut one end of each piece, started to cut them to length and I noticed my gauge was off. Luckily I caught it before I ruined any pieces.

[Herb G]

A lot of squares are not square either.

[Yetloh]

Herb G said:

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A lot of squares are not square either.

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Particularly traditional woodworking squares - the reason I use only good quality all steel engineering squares.

[Richard D.]

Are you going to recut the not quite 90 ends?

[goaliedad]

Richard D. said:

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Are you going to recut the not quite 90 ends?

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Already done

[Steve N]

A 90 is really easy to check, and I do that right before using it. As they say "stuff happens"

[Doug_H]

Goaliedad

This happened to me from time to time. Sometimes I would not notice as quickly as you did and spoil some good lumber. My solution was to get my miter gauge as exactly square as possible (five-cut procedure) and then lock it in place. After that I used a "pattern making jig" (Ian Kirby) or a spare miter gauge to cut angles. Usually the former.

Doug

[goaliedad]

Doug_H said:

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Goaliedad

This happened to me from time to time. Sometimes I would not notice as quickly as you did and spoil some good lumber. My solution was to get my miter gauge as exactly square as possible (five-cut procedure) and then lock it in place. After that I used a "pattern making jig" (Ian Kirby) or a spare miter gauge to cut angles. Usually the former.

Doug

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I have a Dubby sled- I love it- and easy to reset to 90. I looked down and saw a slight gap between the fence and the stop.

[John Mihich]

I have a habit of checking my miter gauge and blades to be square each time I start a project. If I change a setting I make sure it's square again. It only takes a few seconds and really saves a lot of fixing things. I use plastic drafting triangles. Thy stay pretty much perfect.

[Bill Lyman]

John Mihich said:

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I have a habit of checking my miter gauge and blades to be square each time I start a project. If I change a setting I make sure it's square again. It only takes a few seconds and really saves a lot of fixing things. I use plastic drafting triangles. Thy stay pretty much perfect.

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+1, only I use a machinist square by Starrett.