On Tuesday 14 July 2020 12:43:40 andy pugh wrote:
> On Tue, 14 Jul 2020 at 17:37, Les Newell
wrote:
> > > No programmer will ever use machine-coordinates (G53) - only in
> > > case of trouble or for maintenance.
> >
> > Nope. G53 is pretty common.
>
> Fusion360 CAM assumes that a G53G0Z0 will
On Tuesday 14 July 2020 12:18:30 Les Newell wrote:
> On 14/07/2020 15:28, Reinhard wrote:
> > The machine moves (assuming it does not have absolute
> > encoders that are battery buffered) toward the home switch until the
> > switch signals contact. That's the axis origin - and I thought, this
> >
The home position was just set at 6" arbitrarily.
That's what I said. But then the home position may not be called home
position. It might be a workpiece origin, a reference point, what ever.
Homing is complicated!
Not at all! But wordings and diagrams should be clear and understandable.
On 07/14/2020 11:00 AM, Reinhard wrote:
Last weeks I worked hard on linuxcnc and the deeper I dig,
the more upset I get. Such a great project and nobody
cares about quality ... That makes me mad. ... and when I
see such things like the homing maze ... That was too much
Well, I've been using
On Tue, 14 Jul 2020 at 17:37, Les Newell wrote:
> > No programmer will ever use machine-coordinates (G53) - only in case of
> > trouble or for maintenance.
>
> Nope. G53 is pretty common.
Fusion360 CAM assumes that a G53G0Z0 will retract the tool to the top
of Z travel. I have seen a number of
On 14/07/2020 15:28, Reinhard wrote:
The machine moves (assuming it does not have absolute
encoders that are battery buffered) toward the home switch until the switch
signals contact. That's the axis origin - and I thought, this is what the word
"home"-position means.
With any professional cnc I
On 7/14/20 11:00 AM, Reinhard wrote:
On Dienstag, 14. Juli 2020, 17:31:20 CEST Chris Morley wrote:
I don't understand your hostility.
Yes, I'm not smart enuf :(
Last weeks I worked hard on linuxcnc and the deeper I dig, the more upset I
get. Such a great project and nobody cares about quality
On 07/14/2020 10:31 AM, Chris Morley wrote:
I don't understand your hostility.
I didn't create the homing routine but it seems reasonable to me.
Linuxcnc is capable of doing exactly what you are used to, just set some of the
settings to zero.
There is a case where the home position MUST be
On Dienstag, 14. Juli 2020, 17:31:20 CEST Chris Morley wrote:
> I don't understand your hostility.
Yes, I'm not smart enuf :(
Last weeks I worked hard on linuxcnc and the deeper I dig, the more upset I
get. Such a great project and nobody cares about quality ...
That makes me mad.
... and when
, 2020 2:28 PM
To: EMC developers
Subject: Re: [Emc-developers] problem understanding diagram from help-pages of
pncconf
On Dienstag, 14. Juli 2020, 06:09:38 CEST Chris Morley wrote:
> The problem seems to come from people thinking the contact with the homing
> switch is where home is.
On Dienstag, 14. Juli 2020, 16:49:08 CEST Robert Ellenberg wrote:
> I agree that it's logical to use positive offsets for tools in a spindle
> (since a negative physical size is nonsensical). However, what if you have
> an auxiliary spindle with a tool tip above the zero height of the main
>
Reinhard,
I agree that it's logical to use positive offsets for tools in a spindle
(since a negative physical size is nonsensical). However, what if you have
an auxiliary spindle with a tool tip above the zero height of the main
spindle? I'm not saying that's a wise choice, but it would be
On Dienstag, 14. Juli 2020, 06:09:38 CEST Chris Morley wrote:
> The problem seems to come from people thinking the contact with the homing
> switch is where home is. which is not surprising, as when you ask linuxcnc
> to home that's where it goes first.
May be its caused by the wording, or
On Tuesday 14 July 2020 06:38:57 Ed wrote:
> On 7/13/20 11:09 PM, Chris Morley wrote:
> > There _is_ only one home position. But it doesn't need to be at the
> > origin or switch trip point. The problem seems to come from people
> > thinking the contact with the homing switch is where home is.
On 7/13/20 11:09 PM, Chris Morley wrote:
There _is_ only one home position. But it doesn't need to be at the origin or
switch trip point.
The problem seems to come from people thinking the contact with the homing
switch is where home is.
which is not surprising, as when you ask linuxcnc to
From: Chris Morley
Sent: July 14, 2020 4:09 AM
To: EMC developers
Subject: Re: [Emc-developers] problem understanding diagram from help-pages of
pncconf
There _is_ only one home position. But it doesn't need to be at the origin or
switch trip point.
The problem seems to come from
: [Emc-developers] problem understanding diagram from help-pages of
pncconf
On Montag, 13. Juli 2020, 23:33:35 CEST Chris Morley wrote:
> X home position in the diagram is referring to the final home position.
??? There could be only ONE home position and that's in my understanding the
ori
On Montag, 13. Juli 2020, 23:33:35 CEST Chris Morley wrote:
> X home position in the diagram is referring to the final home position.
??? There could be only ONE home position and that's in my understanding the
origin in machine coordinates. Or with other words: home position is where the
home
Hi,
On Montag, 13. Juli 2020, 22:11:53 CEST Rod Webster wrote:
> Data redundancy should be avoided at all costs. There must be only one
> single point of truth!
That's a very nice theory :D
If you look at the code of linuxcnc, or even at language texts you'll note,
that reality is different ;)
understanding diagram from help-pages of
pncconf
There is a separate heading about homing
http://linuxcnc.org/docs/devel/html/config/ini-homing.html
I don't think pncconf docs should include anything about homing except a
reference to the homing configuration docs.
Data redundancy should be avoided
ly 13, 2020 2:31 PM
To: EMC developers
Subject: [Emc-developers] problem understanding diagram from help-pages of
pncconf
Hi,
I just tried to translate the help-pages of pncconf, when I realized, that I
don't understand the mill picture.
In my understanding, homing an axis means, that the axis
There is a separate heading about homing
http://linuxcnc.org/docs/devel/html/config/ini-homing.html
I don't think pncconf docs should include anything about homing except a
reference to the homing configuration docs.
Data redundancy should be avoided at all costs. There must be only one
single
On Montag, 13. Juli 2020, 16:55:28 CEST andy pugh wrote:
> On Mon, 13 Jul 2020 at 15:31, Reinhard
wrote:
> > So when the home-switch signals contact, then that is my home position,
>
> The home switch can be anywhere on the axis. It does not have to be at
> a position called "0".
Sure! I know
On Mon, 13 Jul 2020 at 15:31, Reinhard wrote:
> So when the home-switch signals contact, then that is my home position,
The home switch can be anywhere on the axis. It does not have to be at
a position called "0".
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed
Hi,
I just tried to translate the help-pages of pncconf, when I realized, that I
don't understand the mill picture.
In my understanding, homing an axis means, that the axis moves until the home-
switch signals contact. No matter what or where the home-switch is - whether
it is shared limit
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