Low budget plasma setup, what do I need?

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7 years 6 months ago #132006 by tecno

andypugh wrote: You seem to have flashed with a firmware that has no steppers.

What firmwares do you have available? You need one with both "SV" (for servo, to get an encoder for the TGCAD) and "ST" (for Stepper) in the name.


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The file ending with plasma was suggested and is the one i flashed with

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7 years 6 months ago #132008 by PCW
Let me check that bitfile, it looks like sssvst8_8_8

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7 years 6 months ago #132051 by PCW
freeby.mesanet.com/7i90_plasma.zip

Contains the correct bitfile (8 stepgens, 2 PWM gens and 2 "A" pin only encoders on I/O 0..23)

The one in the dist is broken, will fix tomorrow

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7 years 6 months ago #132072 by tecno
Thank you very much Peter, appreciated.

Code:
Configuration pin-out: IO Connections for P1 Pin# I/O Pri. func Sec. func Chan Pin func Pin Dir 1 0 IOPort StepGen 0 Step/Table1 (Out) 3 1 IOPort StepGen 0 Dir/Table2 (Out) 5 2 IOPort StepGen 1 Step/Table1 (Out) 7 3 IOPort StepGen 1 Dir/Table2 (Out) 9 4 IOPort StepGen 2 Step/Table1 (Out) 11 5 IOPort StepGen 2 Dir/Table2 (Out) 13 6 IOPort StepGen 3 Step/Table1 (Out) 15 7 IOPort StepGen 3 Dir/Table2 (Out) 17 8 IOPort StepGen 4 Step/Table1 (Out) 19 9 IOPort StepGen 4 Dir/Table2 (Out) 21 10 IOPort StepGen 5 Step/Table1 (Out) 23 11 IOPort StepGen 5 Dir/Table2 (Out) 25 12 IOPort StepGen 6 Step/Table1 (Out) 27 13 IOPort StepGen 6 Dir/Table2 (Out) 29 14 IOPort StepGen 7 Step/Table1 (Out) 31 15 IOPort StepGen 7 Dir/Table2 (Out) 33 16 IOPort PWM 0 PWM (Out) 35 17 IOPort PWM 0 Dir (Out) 37 18 IOPort PWM 1 PWM (Out) 39 19 IOPort PWM 1 Dir (Out) 41 20 IOPort None 43 21 IOPort None 45 22 IOPort QCount 0 Quad-A (In) 47 23 IOPort QCount 1 Quad-A (In)

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7 years 6 months ago #132075 by tecno
THCAD300 ordered
3x steppermotors ordered

Time to start CAD on the frame

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7 years 6 months ago #132076 by rodw

tecno wrote: THCAD300 ordered
3x steppermotors ordered

Time to start CAD on the frame


I'f its like my journey, I'll come back in 3 years....

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7 years 6 months ago #132077 by tecno

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7 years 6 months ago #132093 by tecno
Question

How long Z axis movement is needed for plasma?
I have one linear unit taken out from some kind of dispensing unit with 60mm stroke.

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7 years 6 months ago #132095 by pl7i92
nice
here is a drawing of my 2012 plasma its still runing at 3m/min with a total cost of 2500Euro

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7 years 6 months ago #132096 by tecno
Nice table, too big for me :(

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