By powering the Ethernet SmoothStepper via your PC's USB port you bypassed the electrical isolation the Ethernet connection provides (an Ethernet cable does...
138895
Wayne Weedon
wayne_weedon
Feb 23, 2013 4:02 pm
... Jeff, it's nigh on impossible to avoid some ground loops. Too many items including PC psu's have their grounds tied to the AC ground. It's really a...
138896
Jeffrey Birt
jeff.birt
Feb 23, 2013 4:09 pm
I'm not talking about ground loops, I'm talking about completely voiding the isolation provided by opto-couplers/transformer isolation. In the case of the VFD...
138897
cd_edwards2002
Feb 23, 2013 4:22 pm
What were the symptoms of that noise?...
138898
quadconversions
Feb 23, 2013 4:40 pm
It was such a long time ago when I first built my machine but I seem to recall the tool would go walk about in the middle of a job. I just remember earthing...
138899
quadconversions
Feb 24, 2013 12:46 pm
I feel I should just add to this that I am not using a Smooth Stepper, a Gecko 540 or, as far as I know any Opto couplers on the set up where I earthed the USB...
138900
cd_edwards2002
Feb 24, 2013 4:58 pm
I basically gave up on using my ethernet SS board as I was experiencing a problem with loosing/gaining steps on my Z. It was never consistant and after...
138901
quadconversions
Feb 24, 2013 7:45 pm
Yep, that makes sense to me (no expert). My Gecko 540 kit came with... 48V 12.5A switching power supply -- the current you need for a 4 motor system. I...
138902
Henrik Olsson
henrikolsson...
Feb 24, 2013 8:02 pm
Hi, I don't have a G540 myself but according to the manual it has an internal fuse rated for 7A. Why would you need a powersupply that's rated for almost twice...
138903
cemlhh
Feb 24, 2013 8:13 pm
Does Machcloud work with windows 7? My problem is Machcloud opens the file and I see the file but then it won't do anything. Yes I'm new to using Machcloud. So...
138904
Jeffrey Birt
jeff.birt
Feb 24, 2013 8:38 pm
Henrik, you are exactly right. The G540 will never draw anything close to 12.5A. There are several places selling G540's with 12.5A switch type power supplies...
138905
Peter Homann
homannp
Feb 24, 2013 8:42 pm
Hi Dave, Since the G540 has a 7A fuse in it, any power supply rated higher than 7A is unnecessary. Your paying for capacity that the G540 will never use. ...
138906
Wayne Weedon
wayne_weedon
Feb 24, 2013 10:01 pm
... Sounds more like electrical noise causing your problems than anything else. Brushed router by any chance?...
138907
rjreese29
Feb 24, 2013 10:21 pm
Yes!! My USB smoothstepper had the same issue. I say that mistakenly. My system gained some noise and my x axis began to drift after some time after i built my...
138908
art2
artfenerty
Feb 25, 2013 2:50 am
Hi: MachCloud was written by myself to test various ways to treat a point cloud to make a mesh. I havent used it in some time, but as I recall you simply load...
138909
556RECON
rchrdcrlsn
Feb 25, 2013 2:50 am
There is an *Fryer MB-10R CNC 3 Axis, Rigid Head Mill *on auction from a local high school. The bid is at $5700. If anyone is interest. I can give more info...
138910
art2
artfenerty
Feb 25, 2013 2:53 am
... In my experience thats usually a sign of pulse width not being wide enough OR acceleration being too high on the Z axis. The Z does the hardest work when...
138911
terence ackland
scrapperchap
Feb 25, 2013 5:55 am
http://www.lesparis-sportifs.com/vgdkyrla/703l673ar7ehyl41qh48r.2d7l?5vgyq0f91zrbjd4e09pdmwyjbp2/25/2013 6:55:42 AMterence ackland [Non-text portions of this...
138912
Ross Babcock
babcockmill
Feb 25, 2013 7:23 am
http://www.lineacontabil.com/yz/puj4s.cum0wdg?s2/25/2013 8:23:22 AMRoss Babcock [Non-text portions of this message have been removed]...
138913
Jeffrey Shank
jshank2
Feb 25, 2013 11:27 am
Where is this mill located. Jeff From: mach1mach2cnc@yahoogroups.com [mailto:mach1mach2cnc@yahoogroups.com] On Behalf Of 556RECON Sent: Sunday, February 24,...
138914
556RECON
rchrdcrlsn
Feb 25, 2013 1:23 pm
... Ripon, WI. The high school is selling it. http://wisconsinsurplus.com/ Then scroll down to RIPON SCHOOL DISTRICT. I do not know what they sell for. But...
138915
Ross
babcockmill
Feb 25, 2013 1:28 pm
Sorry Guys, my Yahoo account was hacked. Ross...
138916
cd_edwards2002
Feb 25, 2013 1:54 pm
Would the exact same setup with the same accel settings work ok on the parallel port in that case? My system works ok with the parallel port, but not with the...
138917
nowitstaken
Feb 25, 2013 3:28 pm
Gerry, I just received the kit to make the pendant. Looks good but I can not find any demo relating to how to change my *.set file. Your included sheet refers...
138918
notoneleft
Feb 25, 2013 3:51 pm
There are two .set files for use with the Jog-It on my website, at the bottom. http://home.comcast.net/~cncwoodworker/2010.html Just download and place in the...
138919
art2
artfenerty
Feb 25, 2013 4:00 pm
I think the SS is a half-width engine, so that every pulse is 1/2 of the pulse frequency...but Im not sure..been a while. To check accel, Id cut it down to...
138920
Andy Wander
andywander
Feb 25, 2013 4:35 pm
from within Mach, go to View, Load Screens, and select the proper .set file. Andy Wander _____ From: mach1mach2cnc@yahoogroups.com...
138921
dtrobotics
Feb 25, 2013 6:12 pm
Thanks for those that have answered these questions for me! If you go to my website here: http://dtrobotics.blogspot.com/p/blog-page.html and watch the Mach 3...
138922
Wayne Weedon
wayne_weedon
Feb 25, 2013 11:04 pm
... Another valid test is to run the job with the bed free and spindle off. Wayne....
138923
Jeffrey Birt
jeff.birt
Feb 25, 2013 11:41 pm
Another problem I have seen some folks suffer from is to have the step pin active low setting wrong. If your stepper drive steps on the rising edge of the step...
