and you have not given anyone the slightest clue what size of machine you are looking to build!
Perhaps there is another way to look at the world..
Quoting myself:
Power supply 80v 40a range (I may want to add more loads)
steppers nema 34
controllers tell me Gecko is good, bad, or tell me something better.
Much can be gleaned even it is written down.
Consider the power supply,
80v x 40 amps = 3200 watts
(I may want to add more loads)
3 axis device, 4 motors or loads (2 motors for a gantry) + a maybe load lets divide the power supply by 5
(BTY: Gecko's max out at 7amps x 80v, 560 watts) I could be wrong
That yields 640 watts, double that.
How much gantry can you push around with 1280 watts?
multiple choice:
a. 30 feet
b. 1 foot
c. a little over 4 feet to accommodate common material width
d. is the starkieness coming out again?
Unless the gantry is made out of carbon fiber including the rails, 30 feet is out. It is also a bit of an overkill at 1 foot even if the gantry is made of steel.
check my math
Before D.B. Cooper jumped out of a 727, I was learning servos.
In 1975 I hooked up my first stepper. Not that I'm an expert, it's been a long time.
I am sure I will ask many basic questions along the way.
All the excellent points that you have brought up have already been considered. That is why I am asking:
Where to buy, and not what to buy, questions.
Use your shoot, don't hijack my thread.