Jogs slow in all modes

[Adobe Machine]

If we have the right information: 200 count Encoder, 6 to 1 reduction and a lead screw with 7tpi ? ? ?
A 200 count encoder in quadrature yeilds 800 pulses per revoloution of the servo.( ie, the software "sees" 800 pecks per revolotion).

1) The math to determine the number of STEPS PER INCH (SPI) on the axis set up page would then be 6*7*800= 33600 SPI, how did you come up with 2040 steps per inch ? To test SPI : Backspace any thing in the jog box then enter 1. take your cursor to the x- and tap.The machine should move exactley 1 inch, then hit x +, should move x + 1 inch. The same for the rest of the axis. ( you can use any measurement, just be sure there is room to move )

2) Does the Z axis have a servo and servo amp ? If they are hooked up, then list as a 3 axis machine. If nothing is hooked to the Z axis ( no servo amp) then put '0's" in the axis set up, then you must go to the machine INI file which is listed in the Desk CNC program file) and scroll down to AXIS = 3 and change to 2 or the software is confused and trying to bring the 3 axis home together. You do not have to use the Z axis, but all entries in the software must match what is hooked up to the Desk CNC Motion control card.

3) On the Machine Velocities set up page:
" Invert step pulse ".. Instructions I have say " If you are running Version 1.34 or later, the step pulse can be changed from a High to Low pulse to a Low to High Pulse"..Experiment..Try unchecking then try with checked..which performs better ?

4) Have you up dated the soft ware yet ? Have you determined if you have the 1st or 2nd gen controller ?

5) The accel curve and time look good for that large of machine .

6) Not a performance issue, but in the DeskCNC set up you have listed "Grid" as the machine size..This represents your screen and should be:

Grid G -20 .5

Grid 10

Resolution 5.0

Zero 0.0

Are you actually entering a program with a Feed rate ? Or just entering a number of inches in the jog panel ? When you jog an axis with a predetermined distance, then hit the axis, it accelerates at the maxium sps, you can slow it down or increase by using the "override feature" just below the jog window.

In order to control feed rate in a program:

N10 G1 X 10 . Y3. F 10 as an example.

Other than that it looks good to go , I can not understand how you came up with the SPI you did, unless we have the wrong info ? If you figure 2040 steps per inch, that should move the machine only about 16 % of the distance you wanted.

I PM'd you with a phone number, here most of the time except for therapy in the afternoons.

Adobe (old as dirt)