On Sun, 21 Jun 2020 16:36:19 +0100
andy pugh wrote:
> On Sun, 21 Jun 2020 at 16:11, N wrote:>
> >
> > Looking closer on chuck and slit, to long and wrong shape. Neither of them
> > fit with tool changer. I tried ISO40 (DIN2080) so now is the question if I
> > should try BT40 (JIS B6339) or SK40
On Sun, 5 Jul 2020 at 07:05, Gene Heskett wrote:
> quicker because alox is the 2nd hardest abrasive we have.
No, that's CBN, second after diamond.
> That, and if
> cutting dry, the heat of oxidation of the chip coming off is 98% of the
> heat generated.
[citation needed]
You say this a lot, b
Are currently using version 2.9.0 pre something. G0 move work smoothly but
jogging is jerky, anyone else here made same experience?
Nicklas Karlsson
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On Sunday 05 July 2020 06:30:13 andy pugh wrote:
> On Sun, 5 Jul 2020 at 07:05, Gene Heskett wrote:
> > quicker because alox is the 2nd hardest abrasive we have.
>
> No, that's CBN, second after diamond.
>
> > That, and if
> > cutting dry, the heat of oxidation of the chip coming off is 98% of
>
On Sun, 5 Jul 2020 at 14:07, N wrote:
>
> Are currently using version 2.9.0 pre something. G0 move work smoothly but
> jogging is jerky, anyone else here made same experience?
How are you jogging?
This is new in 2.9:
joint.N.jog−accel−fraction IN FLOAT
http://linuxcnc.org/docs/devel/html/man/ma
> On Sun, 5 Jul 2020 at 14:07, N wrote:
> >
> > Are currently using version 2.9.0 pre something. G0 move work smoothly but
> > jogging is jerky, anyone else here made same experience?
>
> How are you jogging?
Ordinary keryboard, it have worked a lot better before.
On Sun, 5 Jul 2020 at 15:02, N wrote:
> > How are you jogging?
>
> Ordinary keryboard, it have worked a lot better before.
So, cursor keys?
There have been some changes to incremental jogging, but I don't know
if anything has changed with continuous jogging.
What have you changed since it last
> On Sun, 5 Jul 2020 at 15:02, N wrote:
>
> > > How are you jogging?
> >
> > Ordinary keryboard, it have worked a lot better before.
>
> So, cursor keys?
>
> There have been some changes to incremental jogging, but I don't know
> if anything has changed with continuous jogging.
>
> What have y
On Sun, 5 Jul 2020 at 16:02, N wrote:
> > What have you changed since it last worked properly?
>
> Nothing, except some automatic update from [AXIS] to [JOINT] in .ini file.
When you say "nothing" do you really mean "a major upgrade from
LinuxCNC 2.7 to LinuxCNC 2.9?"
--
atp
"A motorcycle is a
> On Sun, 5 Jul 2020 at 16:02, N wrote:
>
> > > What have you changed since it last worked properly?
> >
> > Nothing, except some automatic update from [AXIS] to [JOINT] in .ini file.
>
> When you say "nothing" do you really mean "a major upgrade from
> LinuxCNC 2.7 to LinuxCNC 2.9?"
Actually f
> On Sun, 5 Jul 2020 at 14:07, N wrote:
> >
> > Are currently using version 2.9.0 pre something. G0 move work smoothly but
> > jogging is jerky, anyone else here made same experience?
>
> How are you jogging?
Keyboard. sim seems OK. Running against hardware and it sometimes show up in
the "vel
> On Sun, 5 Jul 2020 at 14:07, N wrote:
> >
> > Are currently using version 2.9.0 pre something. G0 move work smoothly but
> > jogging is jerky, anyone else here made same experience?
>
> How are you jogging?
Jogging speed is high, have a small toy motor on desktop behind me then I test
softwa
I'm getting to the point where I need my own camshaft grinder.
The question I have is the G-code. The grinder has 2 basic components, a
rotary operation to turn the cam and a linear movement to move the grinding
head. For simplistic sake, say the G-code is 360 deg with the corresponding X
travel.
Have you considered external offsets for this? I have had moderate success
turning low lift cams with this feature.
I'm preparing the retrofit of a cylindrical grinder with LinuxCNC to
achieve camshaft and crankshaft grinding. With external offsets you don't
need a really precise servo spindle. A
There are ways to make magnesium very hard to burn. NeXT did it to the cases on
their computers. https://simson.net/ref/1993/cubefire.html
I assume that laptop computers with magnesium cases use similar alloys.
Mongoose BMX bicycles back in the 80's did a sneaky thing for their factory
team. Thei
On 07/05/2020 08:55 PM, Gregg Eshelman via Emc-users wrote:
That was my clue that I was never going to light a smith
wrench anywhere near mag.
If you've ever seen a magnesium engine or transmission case
burn, it is quite a show.
And, when the fire department doesn't have foam in their
truck, th
On Sun, Jul 5, 2020 at 3:33 AM andy pugh wrote:
>
> You say this a lot, but I have never heard anyone else say it. What is
> your source?
>
THis might be a "Chemistry 101" question. It should be easy enough to
figure out except that I last studied this stuff in the last 1970s
We all know that
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