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139988Re: D&M 4S machining center

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  • drexelad
    Apr 28, 2013
    • 0 Attachment
      Very good information. Thanks again everyone for chiming in.

      --- In mach1mach2cnc@yahoogroups.com, "Jeffrey Birt" <birt_j@...> wrote:
      >
      > There are many Sherline dealers around (like myself) who can set you up with
      > the parts you need, you can also get one directly from Sherline. It is not
      > uncommon for a mills bed to acquire some scars over the years. If the bed is
      > still usable, but you want to improve it cosmetically, or so that a small
      > drill divot does not cause other problems you might consider just cleaning
      > the table and filling the spots with a high strength epoxy, like JB Weld. A
      > bit of time spent filling the holes and sanding them smooth should yield
      > very good results at a much lower cost. You can always use use a Sharpie
      > marker to color the filled spots to help them blend in visually.
      >
      >
      >
      > Jeff Birt
      >
      > Soigeneris.com
      >
      >
      >
      > From: mach1mach2cnc@yahoogroups.com [mailto:mach1mach2cnc@yahoogroups.com]
      > On Behalf Of drexelad
      > Sent: Sunday, April 28, 2013 12:57 AM
      > To: mach1mach2cnc@yahoogroups.com
      > Subject: [mach1mach2cnc] Re: D&M 4S machining center
      >
      >
      >
      >
      >
      > Great information on the stepper motors. After watching the video the 170oz
      > motors will do just fine. Would anyone know where I can get a new table for
      > my sherline? This machine came from a tech school and it does have some
      > drill marks in it.
      >
      > --- In mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com> , Dave <dc9@> wrote:
      > >
      > > Cheaper yet for small steppers.
      > >
      > > Scroll to the bottom of the page..
      > >
      > > http://www.kelinginc.net/NEMA23Motor.html
      > >
      > >
      > > On 4/26/2013 9:38 AM, drexelad wrote:
      > > >
      > > > I think I was getting ahead of myself after I looked around some more.
      > > > I found a site mentioning: The 425's are more powerful than what a
      > > > Sherline CNC machine requires, and are not recommended for use on a
      > > > Sherline. The rated torque from these motors is twice that of the
      > > > commonly suggested rating for a Taig CNC machine. You should probably
      > > > stick with the 269's for a Taig type machine as well.
      > > >
      > > > I found this on http://www.xylotex.com/425ozin.htm I am not familiar
      > > > with the company, but I have seen the name around before. The 269
      > > > route looks like my best option.
      > > >
      > > > --- In mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>, Rob Purdy <kb7wnz@> wrote:
      > > > >
      > > > > Is the 425 a double stack? having that much mass on the end of the
      > > > table can cause it's own problems. Rob
      > > > > To: mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > > From: alexdrechsel87@
      > > > > Date: Fri, 26 Apr 2013 00:41:08 +0000
      > > > > Subject: [mach1mach2cnc] Re: D&M 4S machining center
      > > > >
      > > > >
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      > > > >
      > > > > I believe I have made some progress sorting through the Sherline
      > > > mill set up online. From what I gathered they are running a Nema 23
      > > > 1/4 inch shaft motor. The kit they offer has 135oz motors. Since the
      > > > 23 is factory I was thinking about purchasing a Nema23 425 oz. I did
      > > > purchase a 48 volt 7.3A 350 Watt power supply. From what I found this
      > > > power supply can run 4 stepper motors at 3.5 amps.
      > > > >
      > > > >
      > > > >
      > > > > Since my D&M mill is a Sherline I should be able to bolt up a Nema23
      > > > with a higher oz rating.
      > > > >
      > > > >
      > > > >
      > > > > The factory set up uses some sort of coupler/sleeve to connect the
      > > > motor to the axis. Does this info sound realistic? Still working
      > > > through my learning curve.
      > > > >
      > > > >
      > > > >
      > > > > --- In mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>, Robert Guthrie <bgsnares@>
      > > > wrote:
      > > > >
      > > > > >
      > > > >
      > > > > > Alex & all
      > > > >
      > > > > > �
      > > > >
      > > > > > I have some new and very lightly used Nema 34(3) & 23(2) steppers
      > > > and 2 digital drives by Keling� I would like to sell. I upgraded to AC
      >
      > > > servo but all the old stuff worked� great. Bought some from Automation
      >
      > > > Technologies, Anaheim Auto� and� CNC4PC.
      > > > >
      > > > > > �
      > > > >
      > > > > > Get in touch if yourself or any other interested parties. Will cut
      > > > a deal.� If this is wrongly placed sorry for that.
      > > > >
      > > > > > �
      > > > >
      > > > > > Regarding the DC power, I like Antek out of Jersey a bit more
      > > > money but looks nice and beefy. Using it now...perfect, 500 watt. Can
      > > > get it with optional 5V for logic too.
      > > > >
      > > > > > �
      > > > >
      > > > > > Robert,
      > > > >
      > > > > > bgsnares@
      > > > >
      > > > > >
      > > > >
      > > > > > --- On Tue, 4/23/13, drexelad <alexdrechsel87@> wrote:
      > > > >
      > > > > >
      > > > >
      > > > > >
      > > > >
      > > > > > From: drexelad <alexdrechsel87@>
      > > > >
      > > > > > Subject: [mach1mach2cnc] Re: D&M 4S machining center
      > > > >
      > > > > > To: mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > >
      > > > > > Date: Tuesday, April 23, 2013, 7:38 AM
      > > > >
      > > > > >
      > > > >
      > > > > >
      > > > >
      > > > > >
      > > > >
      > > > > > �
      > > > >
      > > > > >
      > > > >
      > > > > >
      > > > >
      > > > > >
      > > > >
      > > > > > I've been putting together a shopping list for the machine.
      > > > http://www.kelinginc.net/GeckorDriver.html seems to be a cost
      > > > effective website. Has anyone ordered from them before? I am looking
      > > > at the gecko g540, 48v power supply, and new stepper motors. Should I
      > > > go with the 48V 7.3A or 12.5A power supply? I did talk to another
      > > > vendor and the 7.3A should be plenty, but I just want to make sure.
      > > > Also, kelinginc offers NEMA motors. I am slightly baffled with which
      > > > motor I should go with for my x,y, and z. Any input would be greatly
      > > > appreciated. Thanks again, Alex
      > > > >
      > > > > >
      > > > >
      > > > > > --- In mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>, Rob Purdy <kb7wnz@> wrote:
      > > > >
      > > > > > >
      > > > >
      > > > > > > I don't have bob Email but I'll pass it along to my friend
      > > > Michael who has my old machine. I'll let him make the connection for
      > > > ya. Rob
      > > > >
      > > > > > > To: mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > >
      > > > > > > From: alexdrechsel87@
      > > > >
      > > > > > > Date: Mon, 15 Apr 2013 17:02:18 +0000
      > > > >
      > > > > > > Subject: [mach1mach2cnc] Re: D&M 4S machining center
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      > > > > > > Thank you for the information :). I am glad to see I am on the
      > > > same page. I would definetly like to use Bob as a resource. Could I
      > > > ask you to pass along my email to him? It's alexdrechsel87@ I use the
      > > > forum as well, so either way works. Thanks again!
      > > > >
      > > > > > >
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      > > > >
      > > > > > > --- In mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>, Rob Purdy <kb7wnz@> wrote:
      > > > >
      > > > > > >
      > > > >
      > > > > > > >
      > > > >
      > > > > > >
      > > > >
      > > > > > > > Yeah you can pretty much gut all the PC hardware, driver
      > > > boards( although they are a nice version the LM18200 2.5 A stepper
      > > > driver ) and power supplies. the back plane makes for easy service and
      > > > easy mounting for the power supply and the G540. My buddy who did the
      > > > final upgrade took out the front control panel and put speed and power
      > > > switches in it's place. A G-540 is about as easy as it gets! Granted
      > > > soldering the DB9 connectors takes a bit of skill but that is the
      > > > worst of it. I don't remember the color codes for the stock steppers.
      > > > Usually they are pretty weak as the magnets degrade over time. The
      > > > original stepper on the Z axis was having trouble not losing steps.
      > > > There are tutorials that describe how to use an ohm meter to figure
      > > > out which wires are pairs. Once you do that It's pretty easy. There's
      > > > also tons of help available on the gecko site. The manual is pretty
      > > > easy to follow. Good steppers are cheap these days! You may want to
      > > > upgrade the
      > > > >
      > > > > > power supply if you do. The voltage regulator ( LM 317 ) on the
      > > > stock power supply is only rated for 1.5A IIRC it was putting out
      > > > ~37V. When we up graded the steppers and installed the g 540 I think
      > > > we used a 5A, 48V supply.If you want I can hook you up with my friend
      > > > who actually did most of the upgrades. I think there's another fellow
      > > > on that list that goes by IIRC "Old BOB" that has done the same
      > > > modification as well. Rob
      > > > >
      > > > > > >
      > > > >
      > > > > > > > To: mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > >
      > > > > > >
      > > > >
      > > > > > > > From: alexdrechsel87@
      > > > >
      > > > > > >
      > > > >
      > > > > > > > Date: Fri, 12 Apr 2013 00:12:32 +0000
      > > > >
      > > > > > >
      > > > >
      > > > > > > > Subject: [mach1mach2cnc] Re: D&M 4S machining center
      > > > >
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      > > > > > > > Thank you for the information :). I am just getting back to my
      > > > project. I tried searching for posts on cnczone.com and the only thing
      > > > that comes up is a D&M mill documentation thread. Seems like nobody
      > > > really found a solution there. Would there be any tutorials? From what
      > > > I gathered I can wire up the motors directly into the Gecko g540 and
      > > > eliminate the motor boards? The 37 volt power supply could stay, but
      > > > all of the floppy disk hardware should be easy enough to remove.
      > > > >
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      > > > > > > > Thanks again,
      > > > >
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      > > > > > > > Alex
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      > > > >
      > > > > > > > --- In mach1mach2cnc@yahoogroups.com
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > <mailto:mach1mach2cnc%40yahoogroups.com>, Rob Purdy <kb7wnz@> wrote:
      > > > >
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      > > > > > > > > BTDT.. I don't recall any of the sites off hand but it's
      > > > pretty easy. It's been a while but I think there was a thread on cnc
      > > > Zone.Cliff's notes version.You strip out all the old PC parts.On the
      > > > stepper boards there's -,+,clock,DIR. The machine has a ~37V power
      > > > supply. You run power to the +/- and step pulses go to the clock pin.
      > > > Dir to the Dir pin. It's a pretty easy mod. That's enough to get you
      > > > going. It's even better if you use G540 and replace the drivers.
      > > > There's also a good chance the steppers are tired and you'll
      > > > eventually want to replace those. Sure line is a good source for
      > > > parts. A to Z cnc also makes some nice retrofit mounts. I thought it
      > > > was a pretty decent machine to learn on. I've since moved on. Rob To:
      > > > mach1mach2cnc@yahoogroups.com <mailto:mach1mach2cnc%40yahoogroups.com>
      > <mailto:mach1mach2cnc%40yahoogroups.com>
      > > > >
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      > > > >
      > > > > > > > > From: drechselalexander@
      > > > >
      > > > > > >
      > > > >
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      > > > >
      > > > > > >
      > > > >
      > > > > > > > > Date: Fri, 16 Dec 2011 18:11:58 +0000
      > > > >
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      > > > >
      > > > > > > > > Subject: [mach1mach2cnc] D&M 4S machining center
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      > > > > > > > > About a year ago I acquired the 4S mill. I attempted to get
      > > > it running off the original software, but its not working at all. I
      > > > started reading about a conversion to Mach 3 and I'm very interested
      > > > in the retrofit process. I was wondering if there were any write ups
      > > > or pictures out there of previous retrofits?
      > > > >
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      > > > > > > > > thanks, Alex
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