Re: [GrizHFMinimill] Lathe question

My concern was your "they can't be done one at a time".
Personally I feel that the method I discussed is better even for a
beginner as it identifies the starting jaw and slot (either marked 1 or
at least marked in some way for the future).
Richard

On 26/10/2019 13:03, Warren LeMay notebook@squarework.com
[GrizHFMinimill] wrote:
>
> You read it correctly.  However, for a beginner, the way I explained
> it seems to get the results we are looking for.  Trying to identify
> scroll plates, etc., by email and for a new user is complicated.
>
> Because there are two ways to do things does not make any one of them
> wrong, just different.
>
> Warren L
>
> On 10/26/2019 5:50 AM, Edelec edelec@gmx.com [GrizHFMinimill] wrote:
>>
>> I am obviously not reading this correctly!
>> Jaws CAN be placed in a 3 jaw chuck one at a time. Rotate the scroll
>> back until the start of the scroll is about to enter the required jaw
>> slot. Insert jaw, rotate scroll until engaged. Look at next jaw slot and
>> rotate scroll until start is about to enter. Insert Jaw 2 rotate scroll
>> until engaged. Repeat for 3.
>> Richard
>>
>> On 26/10/2019 04:02, Warren LeMay notebook@squarework.com
>> [GrizHFMinimill] wrote:
>> >
>> > They will be in order 1-2-3 and I believe counterlockwise from the
>> > tailstock view.
>> >
>> > If they are in order, they should all close at (roughly) the same time
>> > regardless of where 1 is.  However, almost all chucks favor #1 being
>> > in a certain spot.  the only way to do that is get them in order,
>> > temporarily mark the chuck, and indicate a piece of stock to see how
>> > well centered it is (use drill rod or a polished rod from a printer.
>> > Some stock is not round).  Remove the jaws and rotate one slot and do
>> > it again.  Pick the best of the three and mark the chuck permanently.
>> >
>> > Note that inside and outside jaws all have the 1-2-3 thing going, but
>> > the number 1 for each set's best position could vary.  You will need
>> > to recheck for each new set of jaws you use.
>> >
>> > The trick is finding 3 hands to hold the 3 jaws in place at the same
>> > time for starting.  they cant be done one at a time..  I put one on top
>> > and hold the other two in one hand, running the key with my other
>> > hand.  Some use a large rubber band to hold them in place.
>> >
>> > Hope this helps...
>> >
>> > Warren L
>> >
>> > On 10/25/2019 8:45 PM, enginegojohn@yahoo.com [GrizHFMinimill] wrote:
>> >>
>> >> I need to figure out how to place my 3 jaw chuck jaws back in place
>> >> so they close all at the same time. Where does # 1 go & what rotation
>> >> do I use? Thanks.  It is a Harbor F  lathe..   It has a Harbor emblem
>> >> on chuck. Thanks In advance.  John
>> >>
>> >>
>> >>
>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
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>> >>
>> >>
>> >> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>> >
>>
>



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Posted by: Edelec <edelec@gmx.com>
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