[modeleng] Re: Screwcutting
- From: Patrick Coppens <develop@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Sun, 25 Nov 2007 19:25:47 +0100
Shep wrote:
> Enjoy it, Eric - a whole new world ahead!
>
> Cheers! Hubert
>
> ----- Original Message -----
> From: "Eric Walker" <eric@xxxxxxxxxxxxxxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Sunday, November 25, 2007 3:40 PM
> Subject: [modeleng] Re: Screwcutting
>
>
>
>> Hello Alan , I have read all the mail concerning screw cutting & I think I
>> will get someone to show me how.
>>
>> E.W.
>> ----- Original Message -----
>> From: "Alan Stepney" <alan@xxxxxxxxxxxxxxxx>
>> To: <modeleng@xxxxxxxxxxxxx>
>> Sent: Saturday, November 24, 2007 9:09 AM
>> Subject: [modeleng] Re: Screwcutting
>>
>>
>>
>>> Eric,
>>> As others have said, screwcutting is not difficult.
>>> Just requires a little practice.
>>>
>>> Apart from being ideal for the larger threads, those you dont have dies
>>> for,
>>> and "odd" threads (square, buttress, multi-start, etc) it is FAR more
>>> accurate.
>>>
>>> I often start the smaller coarse threads, say 1/4" Whit, by screwcutting,
>>> even though I only cut part way, and then finish off with a die. Far
>>> easier,
>>> and I know it will be square to the job.
>>>
>>> Alan
>>>
>>> MODEL ENGINEERING DISCUSSION LIST.
>>>
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>>>
>>>
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>
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>
Another little tip, on screw cutting.
It is my experience, that the smaller the lathe, the unhappier it is,
when the tool is NOT at the correct height (the center line)
So make yourself a simple gauge, to set the tool correctly,and that is
another possible problem solved.
As to why the smaller lathes would be grumbling more when screw cutting,
with a tool of the center line, I have no answer,
I just know it does, and it happened frequently enough in my green days,
to make me realize, that it should be set correct.
Patrick
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