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Dividing plate

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Mogens Kilde25/01/2011 19:30:04
60 forum posts
25 photos
Hello All
 
As I stated, I'm a total novice in clockmaking.
I have already got a lot of help from your guys.
 
Right now I'm working on a dividing device that should make me able to cut wheels and pinions.
 
The device I intend to build as a direct drive unit, i.e. the dividing plate i fix to the shaft chuck - øøeh hope this gives meaning.
 
Now I have made the plate with the following set of locating holes :
 
140-130-120-100-96-80-76
 
This should give a lot of dividing setup, but before I go on, I would like to know if I should ensure other numbers of locating holes, in my effort to make useful wheels and pinoins for clocks.
 

 
 
 

Edited By David Clark 1 on 25/01/2011 20:18:52

Mogens Kilde02/02/2011 16:26:57
60 forum posts
25 photos
Hi Michael
 
Thank you for your reply.
Sorry to respond so late, but I was waiting for evntually more replies.
 
I do agree on the risk of mistakes with a dividing plate with many holes, and hope you will not be too right about this issue, when I start to make my wheels 
 
 Mogens

Edited By Mogens Kilde on 02/02/2011 16:30:06

John Olsen02/02/2011 18:11:17
1294 forum posts
108 photos
1 articles
Use a black marker pen to mark the holes you need to use before actually cutting metal. After you have finished wipe it off witha bit of meths. I do this with my Vertex worm dividing head, I am sure it has saved me from miscounting when it really matters.
 
regards
John
Mogens Kilde02/02/2011 18:17:17
60 forum posts
25 photos
Thank You John
 
Great trick - I'll remeber that
John Haine02/02/2011 19:49:17
5563 forum posts
322 photos
64?
Mogens Kilde02/02/2011 19:58:21
60 forum posts
25 photos
Hi John

Should I understand your post as a sugestion that I also should have a 64 hole serie in my dividing plate ?
 
Mogens 

Edited By Mogens Kilde on 02/02/2011 19:59:39

ady02/02/2011 23:59:14
612 forum posts
50 photos
I think it was Sparey who recommended a 60 as the most useful bullwheel...or was that Westbury...

Edited By ady on 03/02/2011 00:00:20

Mogens Kilde03/02/2011 15:08:45
60 forum posts
25 photos
Hi Ady
 
I'm not sure what a bullwheel is, but my dividing tool is with no gear, the diving is direct from the plate.
 
I have a serie of 120 holes and can therefore make 60 dividings
 
Mogens
John Olsen03/02/2011 18:14:43
1294 forum posts
108 photos
1 articles
On a lathe will a backgear, the bullwheel is the large gear on the spindle that directly drives the work. It can be very convenient for direct dividing, provided it has a useful number of teeth. The one on the ML7 has 65, which is only useful for doing 5, 13 or 65 divisions. With 60 you can do 2,3,4,5,6,10,12,15,20,and 30 divisions. As well as 60 of course.
 
regards
John
Mogens Kilde03/02/2011 21:40:45
60 forum posts
25 photos

Hi All
 
I think it's time to show my CAD of the intended tool
 

 
Mogens

Edited By Mogens Kilde on 03/02/2011 21:42:34

Mogens Kilde02/03/2011 20:05:17
60 forum posts
25 photos
Hi All
 
I now have finished my dividing tool
http://m_kilde.skysite.dk/
 

Edited By David Clark 1 on 18/04/2011 11:03:22

Ian S C03/03/2011 01:04:57
avatar
7468 forum posts
230 photos
Morgens, do you have some way, other than the indexing pin to lock the shaft? It looks a very usful tool, and nicely made. Ian S C
Mogens Kilde03/03/2011 15:03:32
60 forum posts
25 photos
The main shaft is locked in the tool post after indexing
 

Edited By David Clark 1 on 18/04/2011 10:59:09

Michael Gilligan15/04/2011 08:20:32
avatar
23121 forum posts
1360 photos
Morgens,
This looks a very neat device ... will you be selling the plans through your website?

MichaelG.
Mogens Kilde15/04/2011 14:28:22
60 forum posts
25 photos
Hi Gillian
 
I hope to persuade David to print a build article in ME Magazine. I just have to write it some time soon I hope.

Edited By David Clark 1 on 18/04/2011 10:59:52

Michael Gilligan15/04/2011 20:44:06
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23121 forum posts
1360 photos
Mogens,

?
I hope to persuade David to print a build article in ME Magazine. I just have to write it some time soon I hope.



That's good news, thanks.

By the way;
... sorry I spelled your name wrong first time.
... and mine is Michael.

MichaelG.
Versaboss15/04/2011 22:13:49
512 forum posts
77 photos

Ahem, cough, Michael, do you really need a plan to clone such a gadget? 

No big secrets here I think... But the clamping method for the detent arm is a nice solution; I hope to remember it when the need arises next time.

Greetings, Hansrudolf

Michael Gilligan15/04/2011 23:28:05
avatar
23121 forum posts
1360 photos
Hansrudolf,

No, actually I do not ... and I already have a selection of dividing equipment available.

I simply asked Mogens the question because he appears to sell nicely presented plans at a very reasonable price, and I think he deserves encouragement.

MichaelG.
Richard Parsons17/04/2011 10:05:44
avatar
645 forum posts
33 photos

The real problem is making the division plates. Or is it? Make a two hole punch with one punch tool and one locating tool and get a length of the metal banding. Use the tool to punch 1 more hole than you need in the division plate. Now rough up a wheel (bits of wood etc) of the right diameter and away you go.


If you are going to make a complete plate start with the largest hole count and work your way down. I made one plate this way and then realised I had most of the plates I would ever need in the shape of my Myford change wheels.

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