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Author Topic: 24 inch Engine Lathe in 1/16 (Finished!)  (Read 43541 times)
lab-dad
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« Reply #15 on: August 26, 2012, 11:24:45 AM »

Problem solved!
So simple, dont know why I didnt think of it!
I think Paul and Dallas were trying to convey the same idea but I just couldn't "see" it.
The two images should explain it better than words but;
I soldered the 1/16 shaft inside the offset 3/32 one at one end.
Now rotating the 1/16 shaft moves the whole thing in and out!
I also made up the handle - 3/32 square stock, 1/16 hole for the shaft and then split secured with a 1mm bolt.

Disengaged


Engaged


More soon!
-Marty
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SandiaPaul
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« Reply #16 on: August 26, 2012, 01:19:23 PM »

Yeah that is what I was trying to say. You didn't post back,  I was all set to make a quick 3D model think you were tearing your hair out over this. This is really what happens on a real lathe.

How about a shaper or planer next? Wink

Paul

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Paul
Malachi Constant
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« Reply #17 on: August 26, 2012, 11:08:20 PM »

Making this little thing "work" is just plain nuts!  But, probably in a good way ... glad to see that you've got that bit worked out.  You won't have any trouble now when you get around to that relatively simple little meat slicer.  Grin  -- Dallas
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TRAINS1941
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« Reply #18 on: August 27, 2012, 09:33:49 AM »

Yeah that is what I was trying to say. You didn't post back,  I was all set to make a quick 3D model think you were tearing your hair out over this. This is really what happens on a real lathe.

How about a shaper or planer next? Wink

Paul



Paul here's the Planer he also did a Drill Press.

(finally) getting inspired!« 1 2 ... 8 9 »

Jerry
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lab-dad
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« Reply #19 on: August 27, 2012, 03:53:59 PM »

Well thanks to Tropical storm Isaak and a generator (no power since 8/26 @22:00 hrs)
I was able to finish the work on the headstock.



Paul.
Here is the planer;
http://www.finescalerr.com/smf/index.php?topic=1656.90

The drill press;
http://www.finescalerr.com/smf/index.php?topic=1770.75

I think I would like a universal miller or similar.
Looking last night the shop will likely be between 40 and 48" long and only about 16" deep (only half of the shop, may be a bit more so i can have a track through it).

Power came on about an hour ago so I was able to post this update.

-Marty
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billmart
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« Reply #20 on: August 27, 2012, 04:44:56 PM »

That is looking super nice, Marty. 

Bill Martinsen
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TRAINS1941
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« Reply #21 on: August 27, 2012, 07:12:54 PM »

Power is on.  But I don't see it turning Huh

Besides that an excellent job.

Jerry
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michael mott
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« Reply #22 on: August 27, 2012, 09:09:00 PM »

So is the black gear a Lego gear or a kn-ex gear?

Michael
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SandiaPaul
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« Reply #23 on: August 28, 2012, 04:47:47 AM »

Ooops, sheesh I have CRS! I forgot about the planer!

OK universal mill next!

Paul
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Paul
lab-dad
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« Reply #24 on: August 28, 2012, 05:57:37 AM »

Thanks guys!
Michael.
The gears are for r/c cars; 64 pitch (which is the finest I could find)
They are available in hundreds of teeth and affordable; $3 - $8
-Marty
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Mobilgas
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« Reply #25 on: August 28, 2012, 06:52:43 AM »

Marty, The r/c section.... in my LHS is were i found some small Gears.... when i was looking for something i could use on the Tow boom for my O scale Tow Truck Build  Wink
« Last Edit: August 28, 2012, 07:33:40 PM by Mobilgas » Logged

Craig
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« Reply #26 on: August 29, 2012, 06:00:46 PM »

Change gears finished.



And yes they actually work.  Wink
I am considering making the lower gear operate the lead screw just to ensure my place in the crazy bin.
If I do that then I guess i need to do the half nut on the tool rest to prove I am a full nut!

Craig,
The issue with the r/c gears as they are kind of thick, which is what I needed for the back gears and such.

-Marty
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lab-dad
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« Reply #27 on: August 29, 2012, 06:04:30 PM »

Lowered stance.

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TRAINS1941
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« Reply #28 on: August 29, 2012, 09:13:03 PM »

PERFECT

Jerry
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Ray Dunakin
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« Reply #29 on: August 29, 2012, 11:42:16 PM »

Looking good!
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