... right ... selling? ... Hi Jeff, When I looked at your machine I remember you saying you needed to hold the engage switch for 5 seconds. So when I built my...
I just obtained 2 LAMBDA Regulated Power Supplies, one is 0-7vdc @ 22.0 amp and the other 5+/- 5%dcv @ 17.amp. Would these work for the NEMA 42 8 wire motors?...
... StlWork Lite will machine STL. $95 Accutrans translates DXF mesh to STL if your CAD program does not. $20 DeskCNC $300 Same 3D surface functionality as...
... There should be something in the FAQ about this and it has been discussed at length at various times. I think within the last 6 months if you do a search....
... amount ... INDUCTANCE ... for "good" ... if ... winding, ... one ... say ... handle ... The thing that gets cloudy for me is that a 4 wire stepper has a ...
Barry, For your capacitor, I'd suggest you go for RS stock number 189-866 which is a 47,000 uF 100V, or maybe a 189-850 22,000 uF if you want to save money....
... Thought I would stick in my 2 cents about DeskCNC. It is a great package for someone starting out as it give you the ability to machine .stl 3-D files,...
... a ... I did this on a spreadsheet so I can quickly and easily determine the cap sizes needed. very simple spreadsheet. If you plan on doing any changing...
In a message dated 6/1/2003 12:28:15 AM Central Standard Time, ... Yes, if that second quantity of turns is on the same "form", i.e., "all wound together"....
Correct, except that in a stepper the coils share the same flux path thus the inductance is 4 times in series compared to parallel. Mariss ... wire. If 10 ......
In a message dated 6/1/2003 11:05:08 AM Central Standard Time, ... and certainly NOT a "switcher" in any event! [Non-text portions of this message have been...
... I can see how this can be confusing. Let me see if I can set out the options: steppers can have (for 2 phase steppers...) 4 wires, 6 wires or 8 wires. ...
In a message dated 6/1/2003 12:07:11 PM Central Standard Time, ... This is an "artifact" of the ACTUAL fact that the UNDERLINING did not work via e-mail when I...
In a message dated 6/1/2003 2:15:10 PM Central Standard Time, ... Yes, essentially "wound on the same form". Appreciate your response, Mariss! [Non-text...
Hi Dave, ... I think torque will start to drop off when there isn't enough time to charge the coil to required amperage before the next step pulse comes in. A...
arrrr, I copied the post, not the formula ! it was funny that my post had many spaces in it when I replied. C = (80,000 * I) / V is the calc from the...
im designing my own milling machine base i have sherline mill cnc now but use a fadal machining center at work like the idea of box ways does anyone know where...
In a message dated 6/1/2003 3:32:30 PM Central Standard Time, ... Dave! Sympathies, Empathies, Understanding, and best wishes! Jan Rowland [Non-text portions...
... connect motors and encoders. Is it safe to plug in power supply without motors and encoders connected? I've triple and quadruple checked my wiring. ... ...
I double checked Allegro's site. these are limited to tiny steppers with a current draw of 750 mA. http://www.allegromicro.com/press/02_3967.htm With that...
... ouch, not a convenient package for me.... ... (punt).... <grin> ... perhaps... The main problem I think you will have is the isolation between the stepper...
... Well, I had the thought that I might be able to take the outputs, and use them to drive some transistors...multi stage, if you will forgive the rather...
First off, it's pi/4 or .785 (instead of 71%) of the area under the curve for a sine function compared to a square wave. To compensate for that a good drive...
... and ... forgive ... the ... signals for ... I ... Chuck: In looking at the data sheet you may have a problem. The chip has built in H bridges for each...
Moderator note: I'm letting this through because the author was nice enough to ask permission to the moderators first to let people know about a new metal...
