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No .. maybe I did not express it clearly. When you use a gearing, like a belt drive, the torque, and thus acceleration, is increased by the gear ratio. So,, IF for examlpe the acceleration was 10 (at

I was reading your set up and one thing that caught my attention is you are zeroing your Z to the table, is Vectric material set up with Z- zero at the bottom of your material? Turbosnipe87 To:

Go back and see my post from earlier, and the one from Charles. I'm pretty sure the G43 is causing your issues. Gerry

Di I understand you correctly? If torque is 100 then acceleration is 300? Sent: 17 February 2015 04:14 PM To: mach1mach2cnc@... Subject: Re: [mach1mach2cnc] Support This is a very good

I have starting to change the acceleration and started the test runs, will continue to run tomorrow as well to see if the acceleration caused the trigger of the limit switch. Could be. But one thing I

Each machine is special in terms of accel and vel settings. My proceedure was to set an accel , run the axis back and forth ( or up and down) with the arrow keys until quite smooth in its reversal.

This is a very good system. ( I would drive the z axis at 1:3, for more 300% torque = acceleration.) Try Arts test at the lower acceleration, and let us know. It will likely make a difference, or lead

I dont have a good recommendation, in numbers for You, at this time. Please let us know what steppers/drivers/bob/motion control You use, and we can look at similar machines. But, and this is * very

Thanks Art will give it a go Any suggestions for my X and Y axis as well? Not to cut too slow but to be as smooth as possible. Sent: 17 February 2015 04:02 PM To: mach1mach2cnc@...

In the control box I have 4 x Gecko G203V Stepper drive units 34HSX-104D Stepper motor (2 x motors for X-Axis, 1 X motor on Y-Axis) 23HSX-102D Stepper motor (Z-Axis) X-Axis drive system: 15 tooth

Andre: Try one test.. lower Z accel to 10.. run your job. If it runs fine, ( I suspect it will), raise Z slowly till you see trouble, and then back it off 20%. From then on you should be gold. Thanks,

What is the recommended accelerations - if you could give advice on this – referring to my previous email on the motor tuning values Sent: 17 February 2015 03:54 PM To: mach1mach2cnc@...

What motors are you using; Ie what is your motion-control train ? Steppers ? Drivers ? Volts ? Belts or couplers ? Breakout board ? Do you only have 86.x steps / mm on x ? -- -hanermo (cnc designs)

Agree 100% with Art. I would also suggest, that it may very well be an acceleration issue rather than a top speed issue. Especially with steppers. The way machines must be tuned, is for the worst

Hi Art I will try this as well. My Motor Tuning settings for all my axes as the following – starting with the Z-Axis: Z-Axis: Steps per = 494.0698539 Velocity mm’s per min = 5191.0 Acceleration =

HI Charlie / Guys Well let start by giving specifics of my setup and work process. Then I will show some of the code My CNC is using a new PC with 4GBRAM and windows XP – dedicated to Mach3 only. My

This is almost textbook for a system with Z axis trouble. When the axis drives into the material, it struggles and steps get lost, this causes a most annoying and confounding type of problem, in the

When you do this test is the axis moving up or down? Dave K

Do you have an ATC? If not, how are you setting Z zero? You can probably remove the G43 from your code and it should get rid of the problem. Gerry

Hello, Do you have a limit/home switch on your Z axis and do you home the machine here each time?? Regards Dave K