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Woodruff key install help

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Forum topic by athomas5009 posted 04-22-2015 11:57 PM 848 views 0 times favorited 13 replies Add to Favorites Watch
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athomas5009

293 posts in 1077 days


04-22-2015 11:57 PM

I’m having trouble installing the woodruff key in my new tablesaw arbor, It’s a craftsman 113.298. I bought 3 from aco and none of them will fit. I even lightly sanded 3 sides of it and the closest I got was about 7/8’s of the way in. It I’ve checked the key itself and calipers say it’s ok.

Anyone else ever run into this issue or have any advice?

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.


13 replies so far

View johnstoneb's profile

johnstoneb

2143 posts in 1633 days


#1 posted 04-23-2015 12:09 AM

Are you sure it is the right size? Woodruff keys vary in width, length and radius.

-- Bruce, Boise, ID

View Deano56's profile

Deano56

91 posts in 653 days


#2 posted 04-23-2015 12:10 AM

if its not the key, it has to be the keyway

-- Deano

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Deano56

91 posts in 653 days


#3 posted 04-23-2015 12:11 AM



Are you sure it is the right size? Woodruff keys vary in width, length and radius.

- johnstoneb


yes, this is true

-- Deano

View Combo Prof's profile

Combo Prof

2373 posts in 738 days


#4 posted 04-23-2015 12:57 AM

I have the same saw. The manual says its “STD580025”. Searching on “STD580025 woodruff key” you find that its 3/16” by 3/4”. Hence you have the wrong size key. I loose them all the time. So I bought several from True-value. I suspect any hardware store has them. I tried putting a thread locker on the set screw, but that did not fix the problem.

You can download a manual here.

-- Don K, (Houghton, Michigan)

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athomas5009

293 posts in 1077 days


#5 posted 04-23-2015 01:34 AM

It could be the wrong key but I think it must some how have to do with the batch of keys from aco since I got 3from there. I am going to put the key on ice for 15mins and heat the arbor with a heat lamp at the same time. If that doesn’t work I’m gonna pick up a cpl more else where.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

View Combo Prof's profile

Combo Prof

2373 posts in 738 days


#6 posted 04-23-2015 02:08 AM

I misread what your wrote. Do you recall what size key you got? Also what do you mean by 7/8 of the way in.
The round part goes into the arbor and the flat is in the pulley. Do you mean you could only slide the pulley 7/8 of the way over the key?

-- Don K, (Houghton, Michigan)

View MrUnix's profile (online now)

MrUnix

4203 posts in 1659 days


#7 posted 04-23-2015 02:23 AM

It could be the wrong key but I think it must some how have to do with the batch of keys from aco since I got 3from there. I am going to put the key on ice for 15mins and heat the arbor with a heat lamp at the same time.

Bad idea… it will be next to impossible to remove in the future if you do.

I’ve never had a problem buying woodruff keys from Ace, but I always take a digital caliper with me to verify the correct size when I do (width and length). They aren’t always what the label on the box says they are since people rummage through them and put them back wherever…

How exactly isn’t it fitting? If it’s going in 7/8ths of the way, it’s apparently the right width, so it can only be the length (radius) that’s wrong. (ANSI Standard size woodruff keys: http://www.engineersedge.com/woodruff_keys.htm )

Cheers,
Brad

PS: Maybe post a picture or three.. would help explain what you are talking about.

-- Brad in FL - To be old and wise, you must first be young and stupid

View athomas5009's profile

athomas5009

293 posts in 1077 days


#8 posted 04-24-2015 01:50 AM

I got the woodruff key and the pulley on today. The prob seemed to be the key from ace. I picked on up from truevalue today they were the same size except the one from truevalue had a little flat spot on the bottom. I still had to give it a few hammer taps though.

Either way thanks all that replied.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

View Combo Prof's profile

Combo Prof

2373 posts in 738 days


#9 posted 04-24-2015 02:18 AM

It should not have needed hammer taps. I wonder if the slot in the arbor or pulley isn’t “true/clean” .

-- Don K, (Houghton, Michigan)

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MrUnix

4203 posts in 1659 days


#10 posted 04-24-2015 03:37 AM

I still had to give it a few hammer taps though.

Then something isn’t right… it should slide in freely without any force needed, particularly since you say it’s a new arbor. It’s good you got things back together, but should you ever need to remove it in the future… you might just wind up having to do something like this :)

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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Combo Prof

2373 posts in 738 days


#11 posted 04-24-2015 11:22 AM

Did you hammer tap it into the arbor or into the pulley?

-- Don K, (Houghton, Michigan)

View athomas5009's profile

athomas5009

293 posts in 1077 days


#12 posted 04-27-2015 01:36 AM

I had the whole arbor assembly removed from my saw. I supported the arbor with an appropriTe sized scrap of wood push the key in by hand and gave it a few light taps with a hammer to seat it the rest of the way.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

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athomas5009

293 posts in 1077 days


#13 posted 04-27-2015 01:50 AM

It didn’t damage the arbor at all. I finished assembling it this weekend and the dial indicator showed no run out at the arbor, .003 run out with the blade raised at 90 degrees and .005 run out with the blade raised at 45 degrees. I got the trunions aligned to less than .001 at 90 degrees and .003 at 45 degrees. It ran very smooth and quiet as well. Unfortunately I wasn’t able to give her a test run. Alignment took a while so I’ll prob cut some wood on it this week.

-- Sometimes you're flush and sometimes you're bust, and when you're up, it's never as good as it seems, and when you're down, you never think you'll be up again, but life goes on.

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