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23-06-2015 #121
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23-06-2015 #122
when the valve for the horizontal ram is off the carriage is held out under pressure, when it is on the airflow is reversed so the ram pushes the carriage in. Same for the up/down.
Last edited by i2i; 23-06-2015 at 03:30 PM.
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23-06-2015 #123
We have life on all three axis.
https://www.youtube.com/watch?v=i-B71XsYmLk
Nothing quick or exciting but executing some g code, slowly.
Next to do the spindle and home switches.
Thanks to all that have helped thus far.
Some bastard, 20 years ago, thought he would be funny by reversing the Z axis encoder ..... explains the odd behaviour that wasn't consistent. Why would it be different to X and Y?Last edited by Chaz; 23-06-2015 at 07:16 PM.
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23-06-2015 #124
I totally agree with the above comments and would add that I check the voltages on each leg and try to get equal voltages under normal load conditions. The run cap value will be determined by balancing the "leg" voltages, and the start cap value (which is usually only switched in for 0.5-1.0 seconds) will assist the motor to start to turn. G.
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23-06-2015 #125
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23-06-2015 #126
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23-06-2015 #127
stunning, they look pretty good, i wish they were about when i had my three phase triac. Saying that i still have the servo's and drives here somewhere, could be good for one of my quatros.
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24-06-2015 #128
On the topic of isolation, when providing 24V for the purpose of something like a limit switch, should this come from the same 24V that powers the CS Labs unit or one of the outputs of the device itself to try provide some level of isolation?
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24-06-2015 #129
i2i, I checked the measurements of the missing actuator last night in terms of the 2 threaded elements. The smaller end is M8 but I suspect fine thread. I tried to screw in a standard M8 bolt which it accepted but then stopped.
The hole size for mounting is just over 21mm, I think on the phone yesterday you thought this might be 27mm ish?
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24-06-2015 #130
i don't remember the m8 thread being fine, and the mounting thread could be 22mm. It's been quite a while since i did one, check the one you have on there.
Last edited by i2i; 24-06-2015 at 08:56 AM.
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