On Wednesday 21 March 2018 15:36:23 Ken Strauss wrote:
> That is a little too large! My current need is to make some tapered
> external threads for photographic cable releases: 28-degree included
> angle, 0.5mm pitch, 3.75mm at the big end.
This mill I have, would do that just fine since its an e
On 03/21/2018 07:47 AM, Ken Strauss wrote:
I need to thread mill some tapered threads (similar to normal pipe threads --
NPT). I am considering using polar coordinates in incremental mode to
approximate a tapered helix. Is that reasonable? Is there a better way? Will
cumulative errors bite me aft
1, 2018 3:00 PM
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] Tapered Helix
>
> On Wednesday 21 March 2018 14:38:09 Ken Strauss wrote:
>
> > Thanks but...
> > Isn't G76 for threading on a lathe and G33.1 for rigid tapping? I'm
> > doing thr
likely too big, or almost
too big for a 1" pipe thread.
> > -Original Message-
> > From: Gene Heskett [mailto:ghesk...@shentel.net]
> > Sent: Wednesday, March 21, 2018 2:07 PM
> > To: emc-users@lists.sourceforge.net
> > Subject: Re: [Emc-users] Tapered
Thanks but...
Isn't G76 for threading on a lathe and G33.1 for rigid tapping? I'm doing
thread milling.
> -Original Message-
> From: Gene Heskett [mailto:ghesk...@shentel.net]
> Sent: Wednesday, March 21, 2018 2:07 PM
> To: emc-users@lists.sourceforge.net
>
On Wednesday 21 March 2018 10:47:31 Ken Strauss wrote:
> I need to thread mill some tapered threads (similar to normal pipe
> threads -- NPT). I am considering using polar coordinates in
> incremental mode to approximate a tapered helix. Is that reasonable?
> Is there a better way? Will cumulative
On 21 March 2018 at 17:39, Ken Strauss wrote:
> Thanks for the suggestions but I'm confused. Does G1 in polar coordinates
> produce an arc or a straight line?
I don't know :-) (I was miles away from my LinuxCNC machines when I wrote that)
--
atp
"A motorcycle is a bicycle with a pandemonium att
Thanks for the suggestions but I'm confused. Does G1 in polar coordinates
produce an arc or a straight line?
> -Original Message-
> From: andy pugh [mailto:bodge...@gmail.com]
> Sent: Wednesday, March 21, 2018 11:49 AM
> To: Enhanced Machine Controller (EMC)
> Sub
On 21 March 2018 at 14:47, Ken Strauss wrote:
> I need to thread mill some tapered threads (similar to normal pipe threads --
> NPT). I am considering using polar coordinates in incremental mode to
> approximate a tapered helix. Is that reasonable? Is there a better way? Will
> cumulative errors b
I need to thread mill some tapered threads (similar to normal pipe threads --
NPT). I am considering using polar coordinates in incremental mode to
approximate a tapered helix. Is that reasonable? Is there a better way? Will
cumulative errors bite me after hundreds of incremental moves?
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