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Topics - writerson

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1
General Mach Discussion / Mach3 cant reach desired position .00x
« on: May 16, 2014, 04:51:19 AM »
I have a rotary axis as x. normally i use steps per unit as 200 and velocity as 120. I have calculated a full rotation on x axis exact value of x12.6 and my 90 degree rotation is x3.15,
On another machine i was able to make a different reduction.
I made
Steps per: 195.4 and velocity: 36
Then i calculated an absolute rotation as X6.407,
after that when i try to send x axis to 6.407 i saw that is going somewhere else like x6.38,
I tried to change values like making steps per:1.954 and velocity:3600
In this calculation my full rotation was x640.7
i can get x640.7 on full rotation but my 90 degree rotation was x160.175 and i could'nt get exact value. it went x160.08 and measurements were wrong on table.
Any suggestions for this situation ?

2
General Mach Discussion / about pulse calculation
« on: April 02, 2010, 08:39:09 AM »
Hello i am new about this subject and trying to find a solution about some problems in my mind.. Assume that we have three 3000 rpm servo motor, has 8192 ppr encoders. With using 25.000Hz, 35.000Hz.... 100.000Hz, how many servo motors can run with using mach3 with a P4 2.0ghz processor ? Could you please help me about this calculation ??

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