[modeleng] Re: Fw: More on screwcutting

Goodness me!

And I thought that this was an original idea which had occurred to me! 
Nothing new under the sun....!

Cheers!   Hubert

----- Original Message ----- 
From: "Patrick Coppens" <develop@xxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Sunday, November 25, 2007 3:01 PM
Subject: [modeleng] Re: Fw: More on screwcutting


> Shep wrote:
>> Ken Strauss asked me how I intended to secure the suggested hinge method 
>> outlined below.   As I said, this is only a proposal - I have never made 
>> one, or indeed, seen one.
>> My first reaction is to have a tapered pin with a knurled head to secure 
>> it in the closed position, or perhaps a hinged clamp.
>> Has anyone seen this idea in practice?   What do you chaps think?   It 
>> has the merit of easy construction and use.
>>
>> Cheers!   Hubert
>>
>> ----- Original Message ----- 
>> From: Shep
>> To: Modeleng
>> Sent: Sunday, November 25, 2007 11:11 AM
>> Subject: More on screwcutting
>>
>>
>> Hi everyone
>>
>> I have had several requests for pictures of the device I made for my 
>> ex-Emco lathe, to facilitate the withdrawal of the tool, when reversing 
>> to the beginning of the thread.   I have sent these pictures directly by 
>> email.    This system is a lot quicker and easier to make, than the more 
>> elegant series of retracting devices.
>>
>> An even more basic device, which I have not made, but which should 
>> work,certainly on the finer threads, is to hinge the cradle of the 
>> cutting tool, and swing this upwards to clear the thread on reversing.
>>
>> Cheers!   Hubert
>> MODEL ENGINEERING DISCUSSION LIST.
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>>
>>
> Hubert/Ken
>
> have a look here, for ideas....
> http://www.hemingwaykits.com/acatalog/Swing_Tool_Post.html
>
> This has some good drawings, on how to make such a tool post
>
> Patrick
> MODEL ENGINEERING DISCUSSION LIST.
>
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