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Tilting table.

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Raymond Anderson23/09/2012 19:10:42
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785 forum posts
152 photos

Hello all,

I have just finished the top plate of a tilting table. It is built from my own design and the entire construction is in MEEHANITE the table plate was 30 mm in thickness but since being faced and scraped it is now at 29.22 the size is 300x 220 .Would I be best to mill T slots or, a matrix of threaded holes either M8 or M10 on 50mm centers I was thinking that maybe the holes would be more versatile. any suggestions.

Regards,

Raymond.

Ps, not that it's relevant to the T slot / Hole question ,but the table will be approx 40 kg when complete.

Michael Gilligan23/09/2012 19:39:54
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20182 forum posts
1053 photos

Raymond,

Sounds good ! ... Do you have some pictures?

Without seeing the "tilt" details, it's difficult to say what's best; but I would probably go for a compromise.

A matrix of M8 tapped holes [maybe HeliCoiled, for durability] and a few small-section TeeSlots to take M6 fixings. Alternatively, just use the matrix, and make slotted adapter plate[s].

MichaelG.

Raymond Anderson23/09/2012 20:10:15
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785 forum posts
152 photos

Michael, When I have time tomorrow I will put some photo's into my album I will also try and put in a drawing or 2 of the design

Regards,

Raymond.

Raymond Anderson23/09/2012 20:27:34
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785 forum posts
152 photos

I have just created a pdf of the table model, but I have now found out I can only upload jpeg.

I will try some photo's tomorrow.

Michael Gilligan23/09/2012 20:36:10
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20182 forum posts
1053 photos

Thanks Raymond

Frustrating isn't it

MichaelG.

 

I have just sent you a PM

Edited By Michael Gilligan on 23/09/2012 21:05:49

Stub Mandrel23/09/2012 20:57:33
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4315 forum posts
291 photos
1 articles

Raymond - a quick and dirty workaround:

Display the pdf and press <ctrl> + <Prt Scrn> this copys the screen onto the clipboard.

Go into paint or some similar programme and choose 'paste as new image' from the file menu.

Crop out the bit you want.

Save as a jpeg.

Neil

Clive Foster23/09/2012 22:16:19
3135 forum posts
109 photos

Tapping a grid of holes is tedious. Much easier to bolt on one of the breadboard systems used in optics lab s which come complete with a suitable grid. I've used the Thor Labs ones **LINK** with every satisfaction. £100 to £150 range for you I guess. I figured the cost was worth it compared to tapping all those holes. The anodised ally surface is very tough.

I'd put Tee slots in the table itself after considerable thought as to best size and spacing given what you intend to bolt on.

Clive

JohnF23/09/2012 22:27:45
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1152 forum posts
190 photos

Raymond, I worked for many years on a jig borer and used a rotary tilting table with a 10in platen extensively, for my money I would put in 4 T slots.

Cast is not the best material useing threads for clamping. If you want this facility it is best to use a slave plate made from say BMS mounted on the platen with counter bored screw sockets and a series of holes as requiered. Much stonger ! Still have the plate I used and it was ground flat to close limits but you could of course scrape it same as your table platen to the accuracy you require.

Looking forward to seeing your photo's

Regards John

Edited By JohnF on 23/09/2012 22:28:03

Raymond Anderson24/09/2012 08:30:10
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785 forum posts
152 photos

Thanks guy's I think I am getting to grips with this photo/jpeg lark. So I will have a go later today as I have a Holiday.

Clive,

Very good suggestion re, the breadboard .I have just been on the website and they have 1 near to my size, theirs is slightly wider but I can live with that as long as it's bigger not smaller.

JohnF,

The only reason I scraped the plate was for a bit of practice [ Right off the milling machine would have been good enough for me ] I found the scraping very easy but ,as you would expect very time consuming. but im happy with the result.

Neil,

Thanks for the info about the jpeg [me and computers are not the easiest of bedfellows]

although I can use my Siemens Solidedge fine, it was the reason I first got the computer!!

Regards.

Terryd24/09/2012 08:43:32
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1936 forum posts
179 photos
Posted by Stub Mandrel on 23/09/2012 20:57:33:

Raymond - a quick and dirty workaround:

Display the pdf and press + this copys the screen onto the clipboard.

Go into paint or some similar programme and choose 'paste as new image' from the file menu.

Crop out the bit you want.

Save as a jpeg.

Neil


Hi,

Just a simple tip. If you use the + combination it copies the open window only and not the whole screen. Gives you a bit more control and better resolution. Useful for instructional purposes.

E.G.

test window copy.jpg

 

Regards

Terry

Edited By Terryd on 24/09/2012 08:49:42

Les Jones 124/09/2012 09:45:52
2255 forum posts
156 photos

There is a free utility program called Gadwin printscreen that avoids having to use a graphics editor program. Unfortunately it does nopt work with windows 7 64 bit.

Les.

Raymond Anderson24/09/2012 10:39:29
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785 forum posts
152 photos

Thanks Terryd, Les, I have now managed to put up some photo's. The Solidedge has a facility for also capturing the solid model in various image formats.

Regards,

Raymond.

Swarf, Mostly!24/09/2012 11:43:00
664 forum posts
73 photos

Hi there, all,

I've just tried the screen capture procedure and to capture just the open folder it's <alt> + <PrtSc>, NOT <ctrl>. That's using Win XP.

My wife has also tried it using Win 7 and <alt> + <PrtSc> is right there too.

Best regards,

Swarf, Mostly!

Stub Mandrel24/09/2012 21:29:04
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4315 forum posts
291 photos
1 articles

Yes alt-prtscrn does it ctrl-prtscrn is the same as prtscrnm on its own.

Try shift-alt-prtscrn for some interesting effects...

Neil

JohnF24/09/2012 21:57:44
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1152 forum posts
190 photos

Raymond, sorry mis-read your original post and assumed a rotary tilting table -- don't know where that came from !!!

Still I would use T slots rather than tapped holes. Looks good !

Regards John

Grizzly bear24/09/2012 22:03:01
302 forum posts
8 photos

Les J1,

Gadwin Printscreen works for me, on the same set-up as yours..

Les Jones 125/09/2012 10:55:25
2255 forum posts
156 photos

Hi Grizzly bear,
Thanks for your comment. I have now re installed printscreen on my windows 7 64 bit system and it now works OK. It is the same version (4.7) as I tried last time. ( I know as I intalled it on my XP system at the same time as I first tried it on the Win 7 system.

Thenks again. Les.

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