I remember the concerns about the "repairability" with the new "green" solders. With such a low rate of return, that repair bloke is probably looking for...
hi everyone: could you guys have a look and see if my order list is complete and adequately matched for gecko stepper drivers: for x-y gantry with existing h...
It's too new to tell with 'green' lead free solder yet. Lead free has three big problems 1 Mechanical fatigue, it is not as strong as leaded and will ...
... case ... they ... Hi Marris - could you please tell me what is the power dissipation or efficiency of the G320? I need to size some heatsinks for my array...
Please contact me off list and I will get you a quote. Robert Colin Campbell Bob Campbell Designs www.Campbelldesigns.net Mach 2/3 breakout boards Relay boards...
Model the G320/G340 as a 0.25 Ohm resistor for thermal calculations. Watts = I^2 * 0.25 or in your case, 8.5^2 * 0.25 = 72 * 0.25 = 18W. Your actual...
Ron, Yes and I responded to it. Robert Colin Campbell Bob Campbell Designs www.Campbelldesigns.net Mach 2/3 breakout boards Relay boards Spindle Speed boards ...
I have a Bridgeport Series 2 CNC which I'm retrofitting. X and Y axis Using: Mach 3 PMDX122 BOB MCG ID33004 servos rated at 90V 7.8 amp continuous 38 amp peak ...
Dave, The motor leads or some other high field is talking to the encoder signals. They may be separated, but they are cross talking. You may need to go with...
HI, heres what i was planning to buy: dynatorch arc height controller 2 square body stepper 2 gecko stepper drivers 4 optoencoders 1250 ppr or above usb1 4...
Here is a video of my nearly finished cnc router/plasma cutter. http://video.google.com/videoplay?docid=5437907076855559029 I have a bit more to do in that I...
Hi all... I have a nice pair of Ametek servo motors. The only info on them is "72 V nominal". What would be the pros or cons of using them with Gecko drives?...
Hi Dan, cool video! Can you provide some more details? Is the rack/pinion drive direct or geared? What are the max. speed and acceleration settings? How big is...
... Too bad you aren't going to use MACH. It has plasma THC logic code built in (core engine) and is integrated with the tool path.(unlike standalone THC...
... Larry 72 V motors are perfect for the Gecko 320/340 series. You can take a stock 48VDC transformer, add the bridge and filter and get 65 to 67VDC and spin...
I'm retrofitting and older CNC mill (Bridgeport Discovery 308)which has analog +/- 10VDC drives that are in working condition. I am considering using a...
I am having a problem on one of my 3 axis drivers (specifically my Y axis G202 - the X and Z are also G202's). I am sure I caused the problem, but hope you can...
Do you mean a 48VAC ? If not then please explain how? TomC ... From: geckodrive@yahoogroups.com [mailto:geckodrive@yahoogroups.com]On Behalf Of caudlet Sent:...
... Check out the pixie card from http://www.skyko.com/ Converts S&D to +-10 for analog servo amps. Not sure why you would need all the I/O of the G100 for a...
... It would use all the g100 has to offer and some! The machine the OP was refering too is a machining centre with atc and more. My Leadwell VMC uses 13...
Joe, A good test that I always perform is, with system powered down. Take an ohmeter and check between the screw terms on the drive itself and the post...
... light ... hence ... Larry we have the differential line receivers on our Gecko Servo cards and we make our own Differential Drivers to match so all that is...
i'd love to use Mach,but my x-y gantry is just one gantry of a whole family,and (1)not all use cartesian coordinate system,and some are really weird ...
Thanks Bob. I forgot about those (plus now - they're covered with white goopy thermal silicon grease....) Anything I should look for? I figure - I should take...
Thanks for the info, Ron! It is greatly appreciated.. Is that something I can re-solder (with care of course) back on ? That makes a lot of sense - as it...