Re: [Emc-users] Perceived issues with LinuxCNC

[Dave C. <lin...@gm...>]

In the midwest USA, that would be worth scrap value less the haul away 
charge..

Scrap like that is going for about $220 per ton around me.    That guy 
will be waiting a long..... time if he wants more than scrap value for it..

Sounds like a lot of work!

Dave

On 10/16/2013 2:04 PM, Gene Heskett wrote:
> On Wednesday 16 October 2013 13:40:05 Dave Cole did opine:
>
>> Sure Mach3 can have hardware issues also..  that is well documented.
>> The usual solution is to use a different PC motherboard, which is pretty
>> much what the LinuxCNC guys end up doing also.    Mach3 is not
>> recommended for laptops since their power saving "features" often screw
>> things up.
>>
>> I chatted with Brian Barker of Artsoft/Mach3 fame recently and he told
>> me that the new Mach4 software is cross platform compatible and they are
>> planning on being able to run it on Linux and dedicated hardware like
>> the Beagle Bone..   So smart move.. and I stand corrected. He is still
>> working on Mach4 vigorously.
>>
>> Has anyone heard of any new Intel Mini ITX board announcements? I
>> thought that Intel was going to release some new Mini ITX boards either
>> this fall or next Spring that did away with the VR video chips that have
>> caused so many problems for Linux and were only Windows 7/8 compatible.
>>
>> The CPUs are on this list -- at the bottom and show a release date of
>> 4th quarter, 2013 - NOW!
>> http://ark.intel.com/products/family/29035
>>
>> They use Intel HD graphics which should fix a lot of things for Linux
>> users ... I hope!
>>
>> Dave
> The one item I take note of is that there are no parportson these next gen
> boards, so in addition to the correct psu, one would need to buy a parport
> card in pci-e format, so the bottom line for the $51 board is still pushing
> the $100 area by the time its actually moving motors.
>
> It seems to me that more of the effort s/b directed at BBB development. I
> am eagerly awaiting an i/o cape that either duplicates the parport (less
> desirable though as thats an artificial line number restriction), or
> perhaps even better, replaces my C1G breakouts, hopefully having the opto
> buffering and tally leds that it (the C1G) has. Only more of them because
> the BBB has more and can do more things if the constraints of the db25 are
> removed.
>
> Nother Subject:
>
> There is an old Porter lathe, probably dating to around 1900, presently
> sitting out in the weather, no motor, well rusted ways, about a 12 or 14"
> obviously much newer 4 jaw chuck, about a 6 or 7 foot bed, no change gears
> either. Lantern style tool post is there, but its WYSIWYG. Guy wants $500
> for it, and I'd have to find a motor, replace the screws with ball screws
> and rig some big steppers to run them with LCNC.
>
> Question is, is it worth $20 for the cast iron, or worth making a
> counteroffer on?
>
> It looks like its solid, but even more work than Andy's Rivet to get it
> throwing swarf again.
>
>> On 10/16/2013 9:39 AM, Eric Keller wrote:
>>> On Wed, Oct 16, 2013 at 8:55 AM, Dr.Mclem <dr....@vi...> wrote:
>>>> Mach3 gives the impression it will run on any motherboard and it not
>>>> clear to new users what advantage if anything the rt kernel gives
>>>> for that uncertainty.
>>> I can't imagine that Mach doesn't have the same problems as linuxcnc
>>> with hardware, it's just that most naive users have step/dir hardware
>>> so they don't really see the glitches.  Unless they miss steps.  But
>>> then it's blamed on settings.
>>>
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>
> Cheers, Gene