Hi everyone,

First question. What would be an appropriate current rating for a power
supply driving 4 Sherline steppers?

The Sherline steppers are rated at 2A per phase, and depending on how the
motors are being driven, I'm assuming that one or two phases could be active
at a time.

The SLA7044 that I'm planning on using for the drivers can be configured to
drive two phases simultaneously to provide additional torque. Does anybody
thing that this mode might be required?

I'm assuming that each stepper also draws pretty much full current whether
it's moving or not (since you need to hold the axis).

So, this tells me that if I assume 2A per stepper, that means I need 8A.
Does this sound right?

I see MPJA has a 24V 10A transformer for $17.99.

--
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/

Hi Allan:

    Thanks for the invite, looks like its going to be another LARGE yahoo
group.
All the best, if I can help in any way, let me know., I'll be lurking around
here somewhere....

Thanks,
Art
www.artofcnc.ca

I am almost there I think.
I have the sanyo stepper motors.
I have the CNC retrofit kit for my 2000 Mill from Sherline.
I have 3 G210 drives from Gecko.
I have the case and power supply parts.
I have the turboCNC software.

I am just waiting to place an order with Digikey for the last things I
think.

Dale





On Wednesday, May 21, 2003, at 11:07 AM, Alan Marconett KM6VV wrote:

> Hi Dale,
>
> My pleasure!  Now to get your mill running CNC!
>
> Alan  KM6VV
>
>

Hi Dale,

My pleasure!  Now to get your mill running CNC!

Alan  KM6VV


Dale Peterson wrote:
>
> Thanks for adding me to the group Alan.
>
> Dale
>
>
> To unsubscribe from this group, send an email to:
> SherlineCNC-unsubscribe@yahoogroups.com
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

Hi everyone,

I just placed an excel spread sheet in the files section that
complements the CNC For Hobbyists file.  I put this together to
present to the Chesapeake Area Machinists Society in January along
with Alan's paper on hobby cnc.  Most of the information is still
current and should show you that you can in fact get a CNC ready mill
running for a nominal outlay of cash, less than $250.00 will get you
going if you shop ebay for motors and can get a PC for free you will
be in business.  I have no interest in any of the companies listed in
the spread sheet, I just learned all of this the hardway and don't
want to see other people waste precious $ on the wrong stuff to get
CNC going in a home shop.

John Guenther
'Ye Olde Pen Maker'
Sterling, Virginia

Hi everyone.

I recently bought a 2010 CNC-ready and added motors, Gecko 210's and
Mach2 to get it working.

I've just created a folder called Drawbar Remover in the files
section and uploaded the first part I cut on my new machine. Hope
it's of interest.

In case it isn't obvious, it's my version of a tool to remove
collet/vice drawbars by breaking the taper without using a hammer.
Seemed a shame to risk messing up the alignment after setting it up
so carefully! This one uses a steel collar let into a groove cut
into the rear spindle and so is very quick to use - just one hex
screw to turn!

Colin

Hello, everyone,

I'm not brand new to Sherline CNC, but my newbie sheen hasn't
disappeared, either. Alan, great idea to start this list.

Where I'm at:
Sherline 2000 mill and 4400 lathe; Stepper motors, hardware and
software control from FlashCut CNC (just upgraded to v. 2.07); Vector
Cad/Cam software; also AutoCAD 2002 and Inventor 5 (3D).

We've got a small start-up business - model railroad manufacturing in
N and HO scales, buildings, rolling stock, and eventually steam
locomotives. The shop includes a spin-caster and vulcanizer, vac
forming device, pad printer, standard paint booth, vacuum and
pressure vessels for RTV and resin preparation, and so on.

I'm looking forward to learning a great deal and exchanging
information with group members.

Brian Chapman
Granger Roads
Cedar Rapids, Iowa

Hi Rich,

Nice work!  Will the blades be left rectangular, or is there more work
to be done?  I believe I've seen this pix before!

Alan  KM6VV

RichD wrote:
>
> Alan,
> A turbine wheel in brass and 1" diameter with plain paddle blades.
> Will turn 30-60K rpm in use. A relatively simple program to machine.
> RichD

Thanks for adding me to the group Alan.

Dale

Alan,
A turbine wheel in brass and 1" diameter with plain paddle blades.
Will turn 30-60K rpm in use. A relatively simple program to machine.
RichD

Alan Marconett KM6VV wrote:
>
> Sure Rich,
>
> Although I'm considering a pix of a CNC Sherline at this time...  I just
> turned on attachments, if you'd like to attach it!

Sure Rich,

Although I'm considering a pix of a CNC Sherline at this time...  I just
turned on attachments, if you'd like to attach it!

Alan  KM6VV


RichD wrote:
>
> Alan,
> May I send you the pic to use as the group home page opening photo
> (below the group description).
> RichD
>
> Alan Marconett KM6VV wrote:
> >
> > Hi Rich,
> >
> > We can consider that.  I'm just barely getting started, so I thought to
> > start off slow, and work up from there!
> >
> > Alan  KM6VV
> >
> > RichD wrote:
> > >
> > > Well, I was hoping we could have attachments allowed. Most spammers, etc
> Snip
>
>
> To unsubscribe from this group, send an email to:
> SherlineCNC-unsubscribe@yahoogroups.com
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

Please no attachments. It is just an open invitation to problems with
viruses.

Tim
[Denver, CO]
Sherline products at Deep Discount
Mach1 & DeskCNC with credit card ordering
www.KTMarketing.com/Sherline



> -----Original Message-----
>
>
> Hi Rich,
>
> We can consider that.  I'm just barely getting started, so I
> thought to start off slow, and work up from there!
>
> Alan  KM6VV
>

Alan,
May I send you the pic to use as the group home page opening photo
(below the group description).
RichD

Alan Marconett KM6VV wrote:
>
> Hi Rich,
>
> We can consider that.  I'm just barely getting started, so I thought to
> start off slow, and work up from there!
>
> Alan  KM6VV
>
> RichD wrote:
> >
> > Well, I was hoping we could have attachments allowed. Most spammers, etc
Snip

Done.

-Eric

--------------------------------------------------------------------------------\
----------------------





                     Alan Marconett
                     KM6VV                To:     SherlineCNC@yahoogroups.com
                     <KM6VV@...       cc:
                     t>                   Fax to:
                                          Subject:     Re: [SherlineCNC] Alan,
please post an update to the Dolphin
                     05/20/2003            group as  well...
                     08:41 PM
                     Please respond
                     to SherlineCNC





Hi Eric,

I'm not on the Dolphin list, perhaps you can post one for me?

Thanks,

Alan  KM6VV

glee@... wrote:
>
> dolphincadcam@yahoogroups.com

Hi everyone,

I'll post my interest in CNC.

I purchased a 5400 mill and 4400 lathe last June, both with CNC mounts and
stepper motors. I'm planning on designing some drivers for them. I've
decided to use the Allegro Micro SLA7044 (which coincidently happens to be
the same ones used on the Sherline driver).

I've obtained 4 samples for the SLA7044:
http://www.allegromicro.com/sf/97042/

And 4 samples of the PG001M:
http://www.allegromicro.com/sf/9001/

Hopefully, I'll get my design done sometime this summer.

I'm planning on using my mill and lathe to create robotic parts. My first
robot using machined parts will a 3kg sumo that's fully autonomous:
http://www.robotgames.com/Event_Rules/2002-sumo.htm

--
Dave Hylands
Vancouver, BC, Canada
http://www.DaveHylands.com/

Hi Bill,

Now I see what you've had to quickly learn... ;>)

I've got one file up!

Alan  KM6VV


--- In SherlineCNC@yahoogroups.com, wanliker@a... wrote:
> Alan, when you going to get the files and photos filled up?    grin.
>
> bill,
> CCED
>
>
> [Non-text portions of this message have been removed]

Hi Rich,

We can consider that.  I'm just barely getting started, so I thought to
start off slow, and work up from there!

Alan  KM6VV

RichD wrote:
>
> Well, I was hoping we could have attachments allowed. Most spammers, etc
> don't seem to bother non high profile groups. There are other groups
> (South Bend lathe, for one) where this has never been a problem.
> Most of us know how to avoid virus', etc.
> The files thing is ok, but a big hassle to go online, log into and go find....
> RichD
>
> RichD wrote:
> >
> > Hi Alan & group,
> > As I was saying......
> >
> > My present project is building a steam locomotive. 1.6" scale/7.5" gauge.
> Snip
>
>
> To unsubscribe from this group, send an email to:
> SherlineCNC-unsubscribe@yahoogroups.com
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

Well, I was hoping we could have attachments allowed. Most spammers, etc
don't seem to bother non high profile groups. There are other groups
(South Bend lathe, for one) where this has never been a problem.
Most of us know how to avoid virus', etc.
The files thing is ok, but a big hassle to go online, log into and go find....
RichD

RichD wrote:
>
> Hi Alan & group,
> As I was saying......
>
> My present project is building a steam locomotive. 1.6" scale/7.5" gauge.
Snip

Hi Eric,

I'm not on the Dolphin list, perhaps you can post one for me?

Thanks,

Alan  KM6VV

glee@... wrote:
>
> dolphincadcam@yahoogroups.com

Hi Alan & group,
As I was saying......

My present project is building a steam locomotive. 1.6" scale/7.5" gauge.
This is not a kit to machine & assemble. All research and scratch build.

I have made many parts on the Sherline CNC as well as 3D solids/surfaces
machining design Mastercam and a machining center at a tech school.

For the Sherline work I use ACad R14 (greatest of their versions) and
Bobcad V17 for toolpath & G-code generation. The Sherline is no toy.

If anyone has access to a tech school shop in their area with a willing staff,
this is a very fun and useful resource to tap.

The attached picture shows a miniature steam turbine wheel being machined.
Part of a working steam dynamo. Output is 10V, 2A, 20 watts.


--
~    ~~ ~ ~  ~~   ~~____~,~~ ~~~~
            \------/ |00|_[]_[]__||0       C.M.Ry Tenwheeler
           .|_CMRy_|-|__|________|_|,   <<<Under construction
__________''oo__oo__---"0=0=0"=o[]o\\___________________________
-=Rich=-=Colorado  Midland  Railway=-=cmsteam@...=-

[Non-text portions of this message have been removed]

dolphincadcam@yahoogroups.com

Alan, when you going to get the files and photos filled up?    grin.

bill,
CCED


[Non-text portions of this message have been removed]

Hi Dan,

Thank you for joining!

I still have an old Sears/Sherline mill, but my CNC work is now done on
my new 5400 Sherline mill.  I have the rotary table as well (CNC), and a
new 17" lathe on order!

Alan  KM6VV

ddfalck2002 wrote:
>
> Alan,
>
> Thanks for starting this group.  I am a member of a lot of other yahoo
> groups related to machining, cnc, stepper drives, etc. This one should
> work quite nicely with my interests.
> I have the short Sherline lathe, the cnc rotary table, and a very old
> Sherline mill.  In a past
> life, I had them running with stepper motors using EMC.  They have
> been dorment
> for a couple of years after moving across the country.  But, now I
> plan to get them back toghether again.  My interests are related to
> machining in general, engraving,  making guitar parts for guitar
> builders, and
> writing documentation and how-to articles for beginners.
>
> Thanks,
> Dan Falck

Alan,

Thanks for starting this group.  I am a member of a lot of other yahoo
groups related to machining, cnc, stepper drives, etc. This one should
work quite nicely with my interests.
I have the short Sherline lathe, the cnc rotary table, and a very old
Sherline mill.  In a past
life, I had them running with stepper motors using EMC.  They have
been dorment
for a couple of years after moving across the country.  But, now I
plan to get them back toghether again.  My interests are related to
machining in general, engraving,  making guitar parts for guitar
builders, and
writing documentation and how-to articles for beginners.

Thanks,
Dan Falck

Hi Eric, List,

I'm just getting the list up, so please bear with me!  New members (all
of us initially) will be Moderated, until the list is established, so
that we can keep the spammers off!  Sorry to inconvenience anyone!

Eric, you should see your messages now (I think)!

The tutorials are just what we need!  I've already put up the first one
(mine), hope there are many more to follow!

Alan  KM6VV


glee@... wrote:
>
> (The web posts did not work, so I will try the email post. - Sorry for any
> duplication)
>
> Hello Alan,
>
> I am also a Sherline CNC user! I have a Sherline CNC Mill w/Rotary Table, and
a
> Sherline Lathe with spindle encoder for threading.  My controller and CNC
> conversion was done by Bill Griffin of Grifftek.
>
> I use Dolphin Partmaster for my CAD/CAM, and AhHa for my CNC controller.
>
> I am still in the early stages with all of this, however, I have big plans.  I
> have posted some of what I am doing on my web site.  (http://www.ica.com/cnc)
>
> I am in the process of developing several end-to-end tutorials for CAD/CAM/CNC
> using Sherline equipment.
>
> Thanks for setting up this list.
>
> Eric Mack
> http://www.ica.com/cnc

Hello Alan,
(My last post did not show up, so I'll try again)

I am also a Sherline CNC user! I have a Sherline CNC Mill w/Rotary
Table, and a Sherline Lathe with spindle encoder for threading.  My
controller and CNC conversion was done by Bill Griffin of Grifftek.

I use Dolphin Partmaster for my CAD/CAM, and AhHa for my CNC
controller.

I am still in the early stages with all of this, however, I have big
plans.  I have posted some of what I am doing on my web site.
(http://www.ica.com/cnc)


I am in the process of developing several end-to-end tutorials for
CAD/CAM/CNC using Sherline equipment.

Thanks for setting up this list.


Eric Mack
http://www.ica.com/cnc

Hello Alan,

I am also a Sherline CNC user! I have a Sherline CNC Mill w/Rotary
Table, and a Sherline Lathe with spindle encoder for threading.  My
controller and CNC conversion was done by Bill Griffin of Grifftek.

I use Dolphin Partmaster for my CAD/CAM, and AhHa for my CNC
controller.

I am still in the early stages with all of this, however, I have big
plans.  I have posted some of what I am doing on my web site.
(http://www.ica.com/cnc)


I am in the process of developing several end-to-end tutorials for
CAD/CAM/CNC using Sherline equipment.

Thanks for setting up this list.


Eric Mack
http://www.ica.com/cnc

Hi Dave and Rich,

Thanks Dave! I'm still figuring out a few things about starting a list!
I didn't get Rich's message on the Sherline list yet (wonder what's with
that)!

Rich, This is exactly what I'm thinking might be good for posts to this
new list!  I have a few parts for my engines that I'd like to discuss,
I.E., how to go about making parts, from conception to making swarf!


Alan  KM6VV
May the Swarf be with you!


Dave Hylands wrote:
>
> Hi Rich,
>
> I see that Alan hasn't answered yet, so I will. It's over here:
>
> http://groups.yahoo.com/group/SherlineCNC/
>
> --
> Dave Hylands
> Vancouver, BC, Canada
> http://www.DaveHylands.com/
>
>
> -----Original Message-----
> From: RichD [mailto:cmsteam@...]
> Sent: Tuesday, May 20, 2003 7:14 PM
> To: sherline@yahoogroups.com
> Subject: Re: [sherline] New Sherline CNC group!
>
> Alan,
> My present project is building a steam locomotive. 1.6" scale/7.5" gauge.
> This is not a kit to machine & assemble. All research and scratch build. I
> have made many parts on the Sherline CNC as well as 3D solids/surfaces
> machining with Mastercam and a machining center at a tech school.
>
> What is the name of this new group? Where?
> RichD
> --
> ~    ~~ ~ ~  ~~   ~~____~,~~ ~~~~
>            \------/ |00|_[]_[]__||0       C.M.Ry Tenwheeler
>           .|_CMRy_|-|__|________|_|,   <<<Under construction
> __________''oo__oo__---"0=0=0"=o[]o\\___________________________
> -=Rich=-=Colorado  Midland  Railway=-=cmsteam@...=-
>
> Alan Marconett KM6VV wrote:
> >
> > Hi to the list,
> >
> > I'm hoping to get together people who want to run CNC on their
> > Sherline mill or lathe.
> >
> > Currently, I run CNC on my Sherline mill, and have just ordered a
> > lathe.  I've been testing my own CNC controller program, STEP4.  I've
> > also ran TurboCNC, and MaxNC.
> >
> > I run Vector CAD/CAM, and hope to exchange files in this format (as
> > well as DXF and CNC).
> >
> > My main projects (other then getting CNC on a lathe next) is designing
> > and building Steam engines.  I'd like to hear about ANY CNC projects
> > for the Sherline's.
> >
> > Hope you can participate!
> >
> > Best regards,
> >
> > Alan KM6VV
>
> ------------------------ Yahoo! Groups Sponsor ---------------------~--> Get
> A Free Psychic Reading! Your Online Answer To Life's Important Questions.
> http://us.click.yahoo.com/aM1XQD/od7FAA/uetFAA/PMYolB/TM
> ---------------------------------------------------------------------~->
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

Hi to the list,

It seems Yahoo has automatically signed up members, rather then just
OFFERING to sign them up (as I thought I was doing)!  My apologies if
you're not interested in this new group.

I'm hoping to get together people who want to run CNC on their Sherline
mill or lathe.

Currently, I run CNC on my Sherline mill, and have just ordered a
lathe.  I've been testing my own CNC controller program, STEP4.  I've
also ran TurboCNC, and MaxNC.

I run Vector CAD/CAM, and hope to exchange files in this format (as well
as CNC).

My main projects (other then getting CNC on a lathe next) is designing
and building Steam engines.  I'd like to hear about ANY CNC projects.

Hope you can participate!

Best regards,

Alan Marconett  KM6VV