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Precision Straight Edge

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Forum topic by JustLikeJames posted 10-10-2016 12:21 AM 592 views 0 times favorited 20 replies Add to Favorites Watch
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JustLikeJames

132 posts in 1024 days


10-10-2016 12:21 AM

Topic tags/keywords: straight edge precision

I am interested in a precision straight edge for machine setups and reference. I can’t justify the expense of a Starrett brand. Fwiw, I have a Johnson 48” long alum ruler that is so straight I can’t imagine much difference. The problem is it doesn’t stand on edge very well. I happened to find this item on ebay for just $45, guaranteed straight within .005” over the 50” length. Compared to Starrett prices, it seems too good to be true. Has anyone ever use one of these?

Any advice?


20 replies so far

View Aj2's profile

Aj2

687 posts in 1259 days


#1 posted 10-10-2016 01:09 AM

I tried to follow the link but it just shows shaving stuff.
Alot of woodworkers including me have the lee valley steel straight edges.http://www.leevalley.com/US/wood/page.aspx?p=56676&cat=1,240,45313,56676
See if this link works.

Aj

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DirtyMike

450 posts in 363 days


#2 posted 10-10-2016 01:18 AM

Know a buddy at your local machine shop?

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Redoak49

1943 posts in 1450 days


#3 posted 10-10-2016 01:21 AM

I have the Veritas aluminum straight edge and it works well for me. I have used it to set up my jointer and planers.

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AlaskaGuy

2406 posts in 1770 days


#4 posted 10-10-2016 01:29 AM



I tried to follow the link but it just shows shaving stuff.
Alot of woodworkers including me have the lee valley steel straight edges.http://www.leevalley.com/US/wood/page.aspx?p=56676&cat=1,240,45313,56676
See if this link works.

Aj

- Aj2

Actually there was a Starrett 36 in machinist straight edge mixed in with the shaving stuff. It’s on eBay for 85 bucks

-- Alaskan's for Global warming!

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JustLikeJames

132 posts in 1024 days


#5 posted 10-10-2016 02:33 AM

No, unfortunately.


I tried to follow the link but it just shows shaving stuff.
Alot of woodworkers including me have the lee valley steel straight edges.http://www.leevalley.com/US/wood/page.aspx?p=56676&cat=1,240,45313,56676
See if this link works.

Aj

- Aj2


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JustLikeJames

132 posts in 1024 days


#6 posted 10-10-2016 02:36 AM

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JustLikeJames

132 posts in 1024 days


#7 posted 10-10-2016 02:39 AM

Sorry about that. The first link was from a pc. I added one that was for mobile devices. Thanks for letting me know.


I tried to follow the link but it just shows shaving stuff.
Alot of woodworkers including me have the lee valley steel straight edges.http://www.leevalley.com/US/wood/page.aspx?p=56676&cat=1,240,45313,56676
See if this link works.

Aj

- Aj2


I tried to follow the link but it just shows shaving stuff.
Alot of woodworkers including me have the lee valley steel straight edges.http://www.leevalley.com/US/wood/page.aspx?p=56676&cat=1,240,45313,56676
See if this link works.

Aj

- Aj2


I tried to follow the link but it just shows shaving stuff.
Alot of woodworkers including me have the lee valley steel straight edges.http://www.leevalley.com/US/wood/page.aspx?p=56676&cat=1,240,45313,56676
See if this link works.

Aj

- Aj2


View dschlic1's profile

dschlic1

330 posts in 1431 days


#8 posted 10-10-2016 06:17 PM

I have used other instruments from Taylor and PEC. Very high quality material. I have not purchased a straight edge from them however. I have purchased a combination square and a machinist precision square. Both are excellent.

View HokieKen's profile

HokieKen

1742 posts in 600 days


#9 posted 10-10-2016 06:28 PM

Taylor Toolworks is a distributor and doesn’t manufacture any of the stuff they sell. They have great customer service and stand behind what they sell. They state a tolerance on the straightedge so, if it doesn’t meet that spec, I have no doubt they’ll replace it or issue a refund. No experience with any aluminum straightedge but, for occasional use, it should be more than sufficient. However, if you’re going to use it regularly on steel and cast iron, don’t expect it to last forever because eventually it’ll start to wear.

-- Kenny, SW VA, Go Hokies!!!

View diverlloyd's profile

diverlloyd

1437 posts in 1318 days


#10 posted 10-10-2016 06:31 PM

If you like what you have why don’t you just cut a slot in two pieces of wood that the rule will sit in. So the rule will be on its edge and the wood will hold it up edge.

View JustLikeJames's profile

JustLikeJames

132 posts in 1024 days


#11 posted 10-10-2016 06:41 PM

Thanks, good to hear.


I have used other instruments from Taylor and PEC. Very high quality material. I have not purchased a straight edge from them however. I have purchased a combination square and a machinist precision square. Both are excellent.

- dschlic1


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JustLikeJames

132 posts in 1024 days


#12 posted 10-10-2016 06:43 PM

Thanks. I would use this for reference only, not frequently, and I’d treat it with kid gloves.


Taylor Toolworks is a distributor and doesn t manufacture any of the stuff they sell. They have great customer service and stand behind what they sell. They state a tolerance on the straightedge so, if it doesn t meet that spec, I have no doubt they ll replace it or issue a refund. No experience with any aluminum straightedge but, for occasional use, it should be more than sufficient. However, if you re going to use it regularly on steel and cast iron, don t expect it to last forever because eventually it ll start to wear.

- HokieKen


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JustLikeJames

132 posts in 1024 days


#13 posted 10-10-2016 06:51 PM

I have used a small spring clamp at each end to stand it up also. That’s how I set up my table saw but I didn’t get it perfect. I was just interested in having a true “master” (so to speak) straight edge that I could really trust for when I get ambitious and try to tune it a little better. Also, I use it all the time and it’s inevitable that I’ll drop it at some point. I’ve been given a couple options here that are all much more affordable than Starrett. I’ve even learned that Empire levels are milled to pretty good precision. Not spec’d as accurate as these other options, but in a pinch it could work.


If you like what you have why don t you just cut a slot in two pieces of wood that the rule will sit in. So the rule will be on its edge and the wood will hold it up edge.

- diverlloyd


View HokieKen's profile

HokieKen

1742 posts in 600 days


#14 posted 10-10-2016 06:58 PM

FWIW, levels are too thick to be used as true straight edges. They can hide areas where light would show through on a narrower surface. Not saying they aren’t good enough for what you may need it for, just something to consider.

-- Kenny, SW VA, Go Hokies!!!

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JustLikeJames

132 posts in 1024 days


#15 posted 10-10-2016 07:10 PM

That is a good point. That’s why I don’t use my level like that, because the light doesn’t get under very well. I am surprised at how straight Empire grinds them though.


FWIW, levels are too thick to be used as true straight edges. They can hide areas where light would show through on a narrower surface. Not saying they aren t good enough for what you may need it for, just something to consider.

- HokieKen


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