On 2/19/19 5:28 PM, John Dammeyer wrote:
I did find the actual supplier web site.
http://newker-cnc.com/index.php?l=3
Having some trouble downloading the English manual but these are the units
sold through Alibaba.
There you go, classic problem with made in china.
I'm not in any way saying these are better than LinuxCNC on a PC or
MachineKit on a Beaglebone. They do claim to be using ARMs. The point is
I am not against modern CPU architecture. It's the sandwich design that
makes no sense to me. And lack of simple connection with easy
interchangeable interfaces for DIO and stepper motors drivers. Capes,
hats, and underware are not professional solutions. It's toys on top of
toys for school projects. Might as well put that in Lego plastics.
If Beaglebone came with a decent PCB design so that companies could make
professional interfaces for it I would be all over that architecture. I
don't see it anywhere. Trouble is that modern designers don't bother to
see what people created with much more limited resources in the 70's and
80's. S-100 bus would be better than a "sandwich with header connectors".
for the money they are asking it's just another example of a complete
package, ready to go, that probably does some level of machining well enough
to make parts. And fundamentally it's all about making parts as cheaply as
possible.
You get complete packages here in the US also. The cost is not adjusted
to DIY and experimenters. Kickstart with LinuxCNC based on open
architecture would be good start ;-)
Unless I win a lottery I can't see buying one just to play with. And I
already have my $25 PCs I bought to run LinuxCNC or MACH3. But by the time
Lottery would make it possible to buy good US made product with manual
you can read and mobile phone to make a call to person that understands
what your problem is.
all that stuff is assembled and mounted the costs really do exceed the price
of the far east units. Just like anyone building a Knee Mill in North
America wouldn't be able to compete with the same size units made in the far
Industrial revolution started mostly in USA so there is no reason it
could not be done again. Just depends on how hungry people are.
east. That's why the Grizzly, Tormach etc mills are all from the far east.
John
My Grizzly machine was delivered upside down, broken parts inside,
bearing for lead screw seized first hour of use resulting in broken cast
iron gears. When you look at steel and finish quality you see that's
worth less than what you paid for.
--
Rafael
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