On Tue, Apr 17, 2012 at 11:18 AM, Kent A. Reed wrote:
>
> Speaking of the Wiki , it could use a lot more
> editorial work. Looking at the Recent Changes listing, I see the usual
> few suspects making progress but there is a lot of work left.
>
> Back in January, after the decision was announced to
Dave wrote:
> It is just a little overwhelming what can be done with these ARM MCUs.
>
Yes, I'm using the Beagle Board in some projects. One of them receives
TCP packets
and sets a 32-in 8-out signal multiplexer in a location that is
sometimes inaccessible
due to radiation. It is a totally m
You don't need an Oscilloscope to determine if your power supply is faulty,
also you can check to continuity of all your wires using a simple multimeter.
Keep it simple.
Again what kind of Encoder are you using?
Rob
http://www.whatisacnc.com
> From: parallel.kinemat...@gmail.com
> Date: Tue, 1
See:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Bridges_-_Half,_Full,_Three_Phase
From:
http://osdir.com/ml/emc-users-enhanced-machine-controller/2012-03/msg00162.html
FNB41060 - IGBT SMART PM,600V,10A
< 10 Euro at Farnell
Joachim
-
Paid$$. Try these - www.aercon.net/Public/PartsIges.zip
On Tue, Apr 17, 2012 at 12:14 PM, John Thornton wrote:
> IIRC the level of OneCNC I purchased was somewhat over 1k... I can't
> completely recommend it as it does have some UI issues and is not the
> best but it does work for me.
>
> Still
On Tuesday, April 17, 2012 01:21:07 PM Erik Friesen did opine:
> Bad link?
>
Yes, and no. You probably did like me and picked up part of the elipses
when you clicked on it.
Gary: The accepted way to post a link is to put it between 's. That
makes the system able to automatically separate th
remove trailing .
http://www.fairchildsemi.com/products/discrete/spm/index.html
Dave Caroline
On Tue, Apr 17, 2012 at 6:06 PM, Erik Friesen wrote:
> Bad link?
>
> On Tue, Apr 17, 2012 at 1:00 PM, Gabriel Willen wrote:
>
>> What do you guys think about using one of these to drive a BLDC or AC Ser
Bad link?
On Tue, Apr 17, 2012 at 1:00 PM, Gabriel Willen wrote:
> What do you guys think about using one of these to drive a BLDC or AC Servo
> motor? http://www.fairchildsemi.com/products/discrete/spm/index.html...
> seems like they have a good selection.
>
> Gabe
>
> --
What do you guys think about using one of these to drive a BLDC or AC Servo
motor? http://www.fairchildsemi.com/products/discrete/spm/index.html...
seems like they have a good selection.
Gabe
--
Better than sec? Nothing is
On 4/17/2012 5:33 AM, John Prentice wrote:
> Greetings
>
> - Original Message -
> From: "Dave"
>
>
>
>> On 4/16/2012 5:00 PM, Stephen Dubovsky wrote:
>>
As far as I can tell, ARMs are in a different class. (Price, complexity,
performance, etc.)
>>> There a
On Tue, 2012-04-17 at 18:02 +0200, Roger Holmquist wrote:
> I just looked at your Hardinge lathe Kirk and found a HAL-file who by
> my Newbie eyes found unfinished!
> Ayway, just in case here it is:
> http://www.wallacecompany.com/cnc_lathe/HNC/emc2/nc_files/M111
> and I guess you simply haven't fi
On Mon, 2012-04-16 at 20:59 -0700, Terry Christophersen wrote:
> That answers my question.
> That looks like a lot of files to get your turret to work.
I only needed to write the turret.comp and I think the s32equal.comp.
The rest were already available. These config files use the old HAL
commands
On Tue, 17 Apr 2012, Andrew wrote:
Date: Tue, 17 Apr 2012 19:10:26 +0300
From: Andrew
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] BLDC on 7i43 + 7i39 + linear motors
17 2012 ??. 16:50 Peter C. Wallace
?
IIRC the level of OneCNC I purchased was somewhat over 1k... I can't
completely recommend it as it does have some UI issues and is not the
best but it does work for me.
Still no response from the attempt to get a trial version of alibre so
unless you can create a dxf with all the information ne
Have you used, or are you using the NXP software tools?
I'm downloading the NXP code_red LPCXpresso software right now. They
say it is low cost, but so far there has been no cost. :-)
(Where do they get these names from?? LPCXpresso?? )
>>To the inexperienced person, everything in the last 5+
17 квітня 2012 р. 16:50 Peter C. Wallace написав:
> Flat cable problems? The fact that the encoder inputs on the 7I39 do not
> work for you means something is wrong either on the 7I39s or the
> interconnections to the 7I43
>
The cable is probably OK. I bought 2 of them and no one works. And the
Its not pure bromine. Its just enough to make some plastics brittle. Its
in tablet form, so it is probably an occasional 10% ?? liquid?
Why the fuss over pvc? It machines ok for me. Its much better than uhmw.
On Tue, Apr 17, 2012 at 11:21 AM, dave wrote:
>
>
> Begin forwarded message:
>
> D
I just looked at your Hardinge lathe Kirk and found a HAL-file who by my Newbie
eyes found unfinished!
Ayway, just in case here it is:
http://www.wallacecompany.com/cnc_lathe/HNC/emc2/nc_files/M111
and I guess you simply haven't finished it yet, it's a copy if M110...
Nice to have a bolts&nut vi
Begin forwarded message:
Date: Tue, 17 Apr 2012 06:43:13 -0500
From: John Thornton
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] machine shop
advice
At least I can open up the stl files and view them in 3-D. There are
several areas that are impossible to machine... they c
Gentle persons:
When the dust settles over some of the recent, long threads on subjects
like "G540 Test Update" and "BLDC" I hope the essences of the
subjects get distilled into useful pages on our Wiki.
Speaking of the Wiki , it could use a lot more
editorial work. Looking at the Recent C
Whats is the cost for OneCNC?
On Tue, Apr 17, 2012 at 10:06 AM, John Thornton wrote:
> Strangely enough my CAM software (OneCNC) will open a stl file but I
> can't extract any edges or surfaces for machining.
>
> I registered twice to get the trial download but have not received the
> email yet
Strangely enough my CAM software (OneCNC) will open a stl file but I
can't extract any edges or surfaces for machining.
I registered twice to get the trial download but have not received the
email yet with the information... the next page gave me another register
page and wouldn't you know I go
On Tue, 17 Apr 2012, Andrew wrote:
Date: Tue, 17 Apr 2012 09:21:20 +0300
From: Andrew
Reply-To: "Enhanced Machine Controller (EMC)"
To: "Enhanced Machine Controller (EMC)"
Subject: Re: [Emc-users] BLDC on 7i43 + 7i39 + linear motors
17 2012 ??. 03:24 Peter C. Wallace
?
How is a brushless motor going to rotate with just a DC power supply?
+++
We are like tenant farmers chopping down the fence around our house for
fuel when we should be using Nature's inexhaustible sources of energy --
I get some new corrected ones on here after a bit.
On Tue, Apr 17, 2012 at 9:28 AM, John Thornton wrote:
> The top part just has some counterbores for SHCS's. And yes I agree the
> part should be modeled with a radius on inside corners as allowed.
>
> John
>
> On 4/17/2012 8:13 AM, andy pugh wr
The top part just has some counterbores for SHCS's. And yes I agree the
part should be modeled with a radius on inside corners as allowed.
John
On 4/17/2012 8:13 AM, andy pugh wrote:
> On 17 April 2012 14:02, Erik Friesen wrote:
>> Everything else ended up with 1/8 radius.
> In that case you n
So the 7i39 is a brush less DC motor, if your trying to see if the motor it
self is functional just hook it up to a DC power supply, 12V would do just
fine, if it rotates regardless of polarity the motor is good and you need to
move onto the electronics.
What are you hooking the encoder to? Wha
On 17 April 2012 14:02, Erik Friesen wrote:
> Everything else ended up with 1/8 radius.
In that case you need to draw it with a 1/8" radius, or the machine
shops will quote for the part as-drawn, and you will be paying a lot
more for difficult machining that you don't need.
I see, for example, t
The only places that require a 1/16 bit are the o ring grooves on the base
and middle pieces. Everything else ended up with 1/8 radius.
I machined the radius with a ball end mill, which is time consuming, but
less than doing it by hand. The base this fits in was machined using a
ball end, so to
Someone on the SolidWorks forum said there is a free 30 day trial of
alibre that is full featured and the files can be exported as a step or
parasolid file which is a native file for SW. I'm downloading the trial
now to see so if you want to link to the three parts in alibre I'll try
and conver
It appears that all the hexes have sharp inside corners as well as a
couple of places on the inside of the base. The bosses around the screw
holes on the top inside corners are drawn sharp inside corners. The
middle section bosses for the screw holes also have sharp inside
corners. I wish Solid
I know this is somewhat up to debate, but having everything under one roof
is worth something. To the inexperienced person, everything in the last 5+
posts is complete greek.
On Tue, Apr 17, 2012 at 5:33 AM, John Prentice <
j...@castlewd.freeserve.co.uk> wrote:
> Greetings
>
> - Original Mes
Which areas? I have built 10 of these on my 3 axis machine. I had to hand
drill the hole in the side of the lid. Everything else was done with 1/4,
1/8, and 1/16 bits.
PVC is the only cost effective material with resistance to bromine.
On Tue, Apr 17, 2012 at 7:43 AM, John Thornton wrote:
>
On 17 April 2012 12:57, John Thornton wrote:
> I converted my CHNC a while back with a Mesa 5i20 + 7i33TA + 7i37TA
> cards. My CHNC uses encoders so that part was easy... as I understand
> the HNC has resolvers so you need an additional card for that
There is support for the Mesa 7i49 in the 2.5
Yes, I'm ssi on IRC, and the conversion was quite straightforward. I have
$400 in Mesa gear, under $200 for two vfds, and miscellaneous wiring supplies.
The stock resolvers work great with mesa's 7i49, there's no problems with the
Hiak amps. The only issue I ran into was dirty tachs, and th
I converted my CHNC a while back with a Mesa 5i20 + 7i33TA + 7i37TA
cards. My CHNC uses encoders so that part was easy... as I understand
the HNC has resolvers so you need an additional card for that. IIRC ssi
on the IRC just finished converting a HNC as well as many others. I'm in
the process
At least I can open up the stl files and view them in 3-D. There are
several areas that are impossible to machine... they could be injection
molded but not machined. Sharp inside corners in the Z axis are not
machinable... if they have a radius they can be machined. The smaller
the radius the l
Greetings
- Original Message -
From: "Dave"
> On 4/16/2012 5:00 PM, Stephen Dubovsky wrote:
>>> As far as I can tell, ARMs are in a different class. (Price, complexity,
>>> performance, etc.)
>> There are dozens of companies making
>> thousands of ARM processor variations. One will ha
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