If you want spindle positioning (for more accurate probing of alignment for
tool changes for examples) you'll need the encoder to follow the position at
all speeds. Are there high RPM capable absolute encoders at a reasonable price?
-Original Message-
From: andrew beck
Sent: March 27,
On Sunday, 27 March 2022 15:45:48 EDT ken.stra...@gmail.com wrote:
> If you want spindle positioning (for more accurate probing of alignment
> for tool changes for examples) you'll need the encoder to follow the
> position at all speeds. Are there high RPM capable absolute encoders
> at a
On Sunday, 27 March 2022 19:25:42 EDT ken.stra...@gmail.com wrote:
> According to https://www.ia.omron.com/product/item/2463/ max RPM for
> that model (E6B2-CWZ6C-2000P) is 6000.
This I believe is the one, but I regularly spin it almost 3x faster than
that. Not for hours on end of course but
On Sunday, 27 March 2022 15:20:22 EDT John Dammeyer wrote:
> Just don't do what I did which is design the plate for a 3mm cutter and
> then start the LCNC G-code with a 4mm cutter. John
John, thats a mistake I might do. ;o)
[...]
Cheers, Gene Heskett.
--
"There are four boxes to be used in
At high rpm a resolver may make more sense ... and more $$. Depends. ??
Dave
On 3/27/22 2:03 PM, ken.stra...@gmail.com wrote:
Gene, do you have a part number for your high RPM Omron encoder? Maybe I can
snag one...
-Original Message-
From: gene heskett
Sent: March 27, 2022 4:49 PM
Gene, do you have a part number for your high RPM Omron encoder? Maybe I can
snag one...
-Original Message-
From: gene heskett
Sent: March 27, 2022 4:49 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Homebuilt encoder
On Sunday, 27 March 2022 15:45:48 EDT
On Sunday, 27 March 2022 17:03:14 EDT ken.stra...@gmail.com wrote:
> Gene, do you have a part number for your high RPM Omron encoder? Maybe
> I can snag one...
I don't know as I do, and a spare I bought a couple years ago when the
coupling broke is now buried in 2 or 3 years of detrious in the
gene heskett
>I'd just search ebay for Omron encoder, and get the 20 dollar or so 1000
>ppr differential version. I expect it would work.
Like this, maybe?
https://www.ebay.com/p/2159915706?iid=333709462343
oops that's a 2000 ppr
Martin
___
I currently have a 1000 PPR encoder on it. And that rigid taps great.
Ideally I would like something similar
How fast can those sensors read?
1000ppr at 10k rpm would be great
But just thinking about it. I only actually need to be able to read
encoder up to say 2000 rpm
At high speed it
On Sunday, 27 March 2022 15:40:35 EDT andrew beck wrote:
> Chris just reading your email again and looks like the sensors you
> linked are good up to 1 mhz so I'm good to go.
>
> How wide a slot do you think they need to read the light through?
>
> If they could read 0.5mm that would be great
>
I am running a 48ish tooth gear with gear tooth sensors - it counts up to
10k with mesa.
http://electronicsam.com/images/greenmachine/20190401_150213.jpg
http://electronicsam.com/images/greenmachine/20190403_175734.jpg
sam
On Sun, Mar 27, 2022 at 4:27 PM dave engvall wrote:
> At high rpm a
According to https://www.ia.omron.com/product/item/2463/ max RPM for that
model (E6B2-CWZ6C-2000P) is 6000.
-Original Message-
From: Martin Dobbins
Sent: March 27, 2022 6:44 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Homebuilt encoder
gene heskett
>I'd just
I was able to get this working. Thanks for the help. I ended up using a macro
and modifying G54 Z offset.
My probe is actually a mechanical switch with a touch plate. I use it by
placing it on top of the workpiece, then probing with the cutter. This machine
has the collet attached to the
THis goes to 10K RPM? that is 167 revolutions per second. 400 slots
means 70 KHz signal.
Can you design an inductive sensor that does 70KHz but is also sensitive
enough for near zero RPM? Optical sensors can work up to 1MHz with no
problem as they don't have any inductanve.You can buy a
Chris just reading your email again and looks like the sensors you linked
are good up to 1 mhz so I'm good to go.
How wide a slot do you think they need to read the light through?
If they could read 0.5mm that would be great
But I probably don't need that accuracy.
I just want it as good as I
John haha yep I'll not do that.
I'm thinking I'll use a 1mm cutter anyway if the sensors are good enough
for that
On Mon, 28 Mar 2022, 08:23 John Dammeyer, wrote:
> Just don't do what I did which is design the plate for a 3mm cutter and
> then start the LCNC G-code with a 4mm cutter.
> John
>
I have done that cutter size mistake on a 4k block of material before lol.
Oops
On Mon, 28 Mar 2022, 08:40 gene heskett, wrote:
> On Sunday, 27 March 2022 15:20:22 EDT John Dammeyer wrote:
> > Just don't do what I did which is design the plate for a 3mm cutter and
> > then start the LCNC G-code
> On 28 Mar 2022, at 00:26, Thaddeus Waldner wrote:
>
> I was able to get this working. Thanks for the help. I ended up using a macro
> and modifying G54 Z offset
If you use G10 then it will use the current coordinate system.
G10 is almost always the correct in to use for this.
On Sunday, 27 March 2022 14:31:16 EDT Chris Albertson wrote:
> Forgot to include a link. You can buy the bare sensor but also you can
> buy them on PCBs with connectors attached and ready to go.
> amazon.com/Measuring-Optocoupler-Interrupter
>
On Sunday, 27 March 2022 15:31:15 EDT andrew beck wrote:
> I currently have a 1000 PPR encoder on it. And that rigid taps great.
>
> Ideally I would like something similar
>
> How fast can those sensors read?
>
> 1000ppr at 10k rpm would be great
>
> But just thinking about it. I only
Yes, that's correct, it's also the same for 1000 ppr:
https://www.ia.omron.com/product/item/2450/
Martin
From: ken.stra...@gmail.com
According to https://www.ia.omron.com/product/item/2463/ max RPM for that
model (E6B2-CWZ6C-2000P) is 6000.
-Original
I am not at the machine right now but if memory serves me right, I used
G10 L20 P1 Z1.588
Ah! I just saw that P0 is for the active coordinate system. Is P optional?
Thaddeus Waldner
From: Andy Pugh
Sent: Sunday, March 27, 2022 7:55:07 PM
To: Enhanced Machine
Forgot to include a link. You can buy the bare sensor but also you can buy
them on PCBs with connectors attached and ready to go.
amazon.com/Measuring-Optocoupler-Interrupter
i've made one with a TLE5012 chip. works for me up to 32krpm. i'm using SPI
interface, but the chip also has ABZ output
https://youtu.be/SIhoIOcmU-c
/dmitry
On Sun, Mar 27, 2022 at 10:09 AM andrew beck
wrote:
> Hey guys
> I have a spindle encoder I want to set up for my 1rpm spindle on one
The Omron E6D-C series are rated at 12,000 rpm
The Omron E6H-C series are rated at 10,000 rpm
I ordered an E6H from eBay with delivery promised in a month.
The vendor claims new and 20 available. See
https://www.ebay.ca/itm/183308776725
-Original Message-
From: Martin Dobbins
Sent:
While working with Ethecat I have had some problems it does not work in
special case with more than three devices of same kind. Checking with
wireshark message sent around the ring never arrived back again.
Investigating further first with oscilloscope and later on with second
computer message
Hey guys
I have a spindle encoder I want to set up for my 1rpm spindle on one of
my cnc Mills
I can laser cut a encoder disc and get some gear sensors.
Max dia of the disc due to size constraints is 150 mm dia
Questions are mainly design ones.
What width of slots do I need in encoder disc?
> On 27 Mar 2022, at 08:09, andrew beck wrote:
>
> And is bigger dia better for higher resolution?
Probably not, as it will perhaps have more scope to oscillate at 10,000 rpm.
Don’t neglect the purely mechanical design of this fast-spinning part.
Have you considered optical sensors rather
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