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Old 07-23-2008, 04:18 PM   #31
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I hit a brick wall with my acme rod. After a two week wait and three trips I go to pick up my rod and nuts with a song and dance story. Then to my disappointment I find it to be 1/2" x 10 - 2h single start. I do need 2 start acme rod and nuts.

Fastnall in Nova Scotia said they do not handle 2 start. I was specific of my requirements, but failed to make this point to Fastnell.

I am having one hard of a time getting my rod.

Suggestions. ???

Thanks
John
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Old 07-23-2008, 04:46 PM   #32
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Hi John

Sorry, maybe someone in states can order it for you and then ship it to you..
Maybe Mike,he likes to do that now and then

Just in case someone is not to sure what start 1 and start 2 looks, see below..

http://www.mcmaster.com/

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Originally Posted by Check twice! View Post
I hit a brick wall with my acme rod. After a two week wait and three trips I go to pick up my rod and nuts with a song and dance story. Then to my disappointment I find it to be 1/2" x 10 - 2h single start. I do need 2 start acme rod and nuts.

Fastnall in Nova Scotia said they do not handle 2 start. I was specific of my requirements, but failed to make this point to Fastnell.

I am having one hard of a time getting my rod.

Suggestions. ???

Thanks
John
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Old 07-23-2008, 05:05 PM   #33
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Bj

I always figure a pictuer is worth a thousand words, I should have given this link.

http://www.nookindustries.com/acme/AcmeGlossary.cfm

Thanks Bj

John
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Old 07-25-2008, 06:11 PM   #34
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Two tries in the USA at McMasters their reply was.
Thank you for your inquiry. Unfortunately, due to the ever increasing complexity of United States export regulations, McMaster-Carr will only process orders from a few long-established customers in Canada. We sincerely regret any inconvenience this causes you.

The second from Techno Linear Motion, the reply was,
HB11SA-501026, Acme Lead Screw 1/2"-10-2st x 6 ft long @$179.11 each
Currently one piece in stock,
Balance = 6 weeks

By the way McMasters was $55.00 per 6 foot length.

Still looking.
John
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Old 07-25-2008, 06:20 PM   #35
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John, would McMaster-Carr give you the names of their customer in Canada. It's like they could be retailers. Just my 2 cents.
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Old 07-25-2008, 06:30 PM   #36
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Hi John

Let's talk about why they are using 1/2-10 acme rod... you do know that you can get 1/2-13 threaded rod just about anywhere....


But if it must be 1/2-10 they drop a PM to one of the members of the forum and ask them to get it for you and ship it to you....to get around the export regulations in a clear plastic tube so they can see what it is...one stop at a US Post office and it's on the way because they can see what's inside the shipping box/tube.

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Old 07-25-2008, 06:50 PM   #37
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Rolf

I just email them with your suggestion, of a Canadian distributor and will wait for their reply.

Bj
I may go that route I have found out they (McMaster-Carr) are in Illinois, so would be wise to look closer to the Canadian boarder, for a members assistance. A more direct shipping distance.

I thank both of you for the great suggestions

John
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Old 07-26-2008, 03:14 AM   #38
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John, we once had a Prime Minister who uttered the now famous words:

"Life was not meant to be easy", how apt this is in your hunt for the correct threaded rod.
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Old 07-30-2008, 06:05 PM   #39
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Well ladies and gentlemen, I have found a solution to my acme problem. I have changed the design back to the original plan, which called for 1/2" - 10 single start rod. I was not pleased to make the change back, I know I will have a little backlash, but for now this will do. I am hoping the design Joe did with 2 nuts will pick up the backlash.

When time permits I will bite the bullet and get some 2 start and replace it. I will be much more prepared for our second build. I also know the builder and he gives me free service work.

I got the rod from http://www.use-enco.com/CGI/INSRHM and received very prompt service, and they like us Canadians. The rod and nuts cost $48.00 and shipping was $67.00, cheaper than the 1 start I could get local, which would have cost $175.00... Don't figure!

I will be back at it over the next few days, and will have pictures to post, very soon. I have learned quite a bit and as Bj mentioned will likely try to ask for some assistance when it is time to purchase the 5 start for our second build. That is when I will get my 2 start as well.

Back to the shop and get some work done. BTW cost over runs are a frequent hazard on the first build. Cost to date, wait for it $1110.00 and growing. My estimate was $1400. 00 complete without the programs,,,,, Hum,,, not looking good.

John
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Old 07-31-2008, 08:30 PM   #40
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We have done some work tonight, We managed to get the pipes cut to length and ready to be mounted.

I mangaed to do a first coat of green on for the ends of the bed as well the gantry ends. Man.... I hate painting.

I found the slide bearing to be time consuming but a necessary evil, I ran into a couple of small snags with the bearing bolts, a little long... 1/16 so I had to grind all 32 of them just a tad.

A few photos to show the progress.

Bj close your eyes to my "table saw = workbench",,,, sorry! The wife won't give me the kitchen table, she was saying something about drilling holes or getting paint on it,,,, no sence of humor that woman.

With the acme rod solved for now, I can get back to building.`The coffee bill on this project is growing as fast as the build.

Have a great evening everyone, and will post tomorrows progress.

John
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