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Y axis and A axis should be the in motor setting. if y is 4000 step per Inch or mm the A needs to be the same acceleration is set at 50 the have to match be no differences at all. I copy and past...

try some vinegar to clean out the passage in the cooling side with some air pressure. But do not use above 20 psi

any reason for the chain drive? what is the repeatably of the table?

mach 3 is not cam program it only reads g code not produces it.

If you have not bought anything as of now. Ebay have a lot of them with vfd and spindle together you will want something in 2.2 or larger Just make sure that you can get a spindle clamp that will fit...

Sounds like you should use a and X on the same power supply.

I would use shielded motor cables to keep emi from happening.Using the shielded cable on one end only for a ground. This keeps ground loops from happening and reduces noise. Also use a spring...

have you checked with the people that sold you the unit on what the setting should be? That would be a great place to start. They should have an manual that they could send to you.

If you install a larger spindle you will need to match the output to the spindle input has far as amps (kw) goes.

Have you used the diagnostic screen and watch the green led to light up? For the controller ( bob) the see which pins does what. In Mach pins setting select a group of pins and assigned them to be...

have you checked your setting in" port and pins "

What size are you looking for and to do what with it? IE materials wood, metals,or other? A blanket statement will not get you no where.

That part I understand. But the dust deputy does not catch all of the dust.The fine parts still come through the system.

You might want to think about some filtering before the blower..

Do not forget to use some sorta corrosion inhibitor in the cooling system to prevent aluminum from breaking down from electrolysis.. There is a product from automotive called WaterWetter that...

I would not think about using the water that is for cooling. Then use it for lubrication for the milling. For one thing you need to use an additive for corrosion control for aluminum.

Just thinking about it. If you use a flow sensor and a sixty second timer relay when power is applied to it. That if it does not see flow that the relay will not let the rest of the spindle control...

Did you check each leg going into the spindle to ground or the case? Use the lowest resistance ( ohms) setting on your meter. Then check with the highest. you should see an open circuit either way....

Widgit Now you have a way to isolate the noise from reaching the BOB. This should allow you to run your machine without a problem. without having to rewire the system.

Hey guys just wondering if you where to use a relay( solid state) in the E stop circuit. to control what mach is seeing if that might solve this problem? Here is my thinking about that it could be...

widgit have thought about doing a Faraday cage around the vfd out of metallic window screening. just make sure that you ground it. that will lessen the rf, emi from it.

No just played with electronics for too many years. But all of those guys that do play with ham radios have shown the rest of us a few things over the years.

You might want to use a separate grounding to a ground rod to make sure that you are to a true neutral ground (earth ground). This will help with emi.

Just a dumb question how do you have the table grounded itself ??? To the shop ground or to a ground rod??? Use your volt meter on the lowest setting and check between all your components see if you...

Hey that does not look bad. Still dreaming of the day that I can do that well.

Since this is my first time looking at your design. I'm thinking that your upright supports are going to be way undersized for anything but styrene foam. I'm guessing you are planning to cut wood....

I think that is the first gantry sitting back there.

If you cut them it would only effect about an inch at most. So you just cut let them cool then cut again repeat until you are all the way through. Then you will not see any damage at all.
For...

yes! or at least the back side.

If you drive each side with two separate drive system and move them to the outside of the frame. Then you could add some middle supports. You asked about your gantry uprights I would do some plates...