开云体育

Snip... Thanks Ken If ya look at that big plate on the mill, I got the top flange and the bottom out of it! I used a 1/8 endmill to cut through the plate. I'm going to check Yarde metals to look for a

Les... Nice work on the metal... I should get you to make me an 18 inch chamber... You should also check out the ATM_FREE Group. We are getting rolling pretty well now with 350 ATM members. Do you

There is a crapy photo of the tester I made. I wanted to share the cam idea that rocks the knife edge in and out. It is on the right side and can raise and lower about 3/16 of an inch, It works very

First off, welcome Ron [now I'm not the new guy :)] I won a diffusion pump on ebay, but it is not here yet. It holds 100ml so I will put Santovac 5 oil in it. That 100ml of oil costs about $140 but

12" glass. mirror well. there

Hi gang Hi to Ken / James / Les Congrats to Ken I just found your group I haven't started to put together a vacuum system yet but it is on my list and I'm collecting info. I am an ATM guy I have

Jmes, You are dead RIGHT on the moving sucks thing! A Turbo Pump controller shouldn't be real difficult to come up with, I see them on ebay all the time. They go for around $100 on the auctions I've

Congrats Ken! While your away, Think about ideas on how to build a Turbo Molecular Pump CONTROLLER from scratch :) One of the guys in our ATM lab won a turbo pump of Ebay. Looks in good shape but he

Hi Gang, It's now official... I have been selected to be the new Electronis Systems Analyst (ESA) at the National Weather Service Office in Amarillo, Texas. My report date is 5 May but Rose and I will

Thanks Ken I live in sunny Newport News VA. 23606 Les wrote: --big snip--

Hi Les, Welcome to the Group... Nice to see another smiling face with a project. Don't forget to post photo's and comments as you proceed. Where are you located? I have some Diff pumps laying in the

I just found this group as I was looking for info on vacuum stuff. I am a machinist that now owns his own shop. I like to make things, and my mirror needs recoating so...Hmm guess I'll make a chamber!

I would like to see this forum stay open because one day I would like to build a chamber to coat mirrors and you guys are the only ones who have the information I would need. So, please stay on line.

On Sun, 2003-02-16 at 18:31, Ken Hunter wrote: > Hi Guys... > > It's been 2 weeks since we have had any input to the Group, There are > 2 new members this week but no message activity. Should we close

Hi Guys... It's been 2 weeks since we have had any input to the Group, There are 2 new members this week but no message activity. Should we close down the group or keep it open? I'd like to see more

I have NOT tried these yet! I can't see any reason they wouldn't work if you used some good vacuum grease... other than a bit of out- gassing of the rubber but with a small tank such as yours and a

Ken, Wish I had heard of those feed-thrus a few month's ago :) Would have saved a ton of work! Take Care, James Lerch http://lerch.no-ip.com/atm (My telescope construction,testing, and coating site)

Changed the Group photo so you wouldn't have to chase down the photo of the Feed-Thru idea I have... If you have any photo's that you would like to submit to the Group, please do. I'll rotate all

James, I've added a photo to my folder that might be what you are asking for. It's a common item found at hardware stores and is called a "wellnut". I imagine it would work like the hole plug at the

James, In my photo folder I have added something you might want to consider. It is a common item found at most any Hardware store and it's called a "wellnut". They come in various sizes and I imagine