Electronics Forum: qsp-2 axis (Page 1 of 1)

Quad QSP-2 noisy belt

Electronics Forum | Tue Jul 02 15:13:13 EDT 2019 | daniel_marquette

On our QSP-2, the Y axis belts start to vibrate during the process so we need to open the doors to stop this because of the humming sound. What can creates this knowing that all the movements and placement are spot on?

QSP2 servo amp

Electronics Forum | Mon Dec 22 04:55:41 EST 2014 | bobpan

Swap the amps but first manually check by hand to make sure the z-axis is free to move up and down. Sometimes a part can get stuck in the gears. Good Luck

Quad QSP-2 noisy belt

Electronics Forum | Wed Jul 03 07:49:35 EDT 2019 | daniel_marquette

Got it. Servo tuning is new to us, so we'll try it. When you propose to swap the Y axis amps, do you refer to the driver that controls the Y motors? Thanks,

Quad QSP-2 FeederBase calibration drifting

Electronics Forum | Wed Jun 19 10:11:59 EDT 2019 | jamesn

Hi to everyone I hope someone can help me with a problem I have on a Quad QSP-2. when calibrating ( Or trying to use ) Feeder Bases 2 and 4 on gantry 2 Im getting small amounts of accumulative drift in the X axis. I have changed the servo amplifier

Quad QSP-2 noisy belt

Electronics Forum | Wed Jul 03 08:10:34 EDT 2019 | bobpan

The amp is mounted on the back side and is black. 4 total mounted for x and y axis.....swap the 2 that are y axis amps. If you have never servo tuned before on a quad machine you not going to be able to do it. There is way to many things that you nee

Quad QSP-2 Wild Erratic Behavior of Gantries

Electronics Forum | Wed Mar 19 17:18:24 EDT 2014 | aybars

I would suggest to check your servo amps. on both gantries and both axis.Does it rattle both heads or just one? Since you did not specify this in your question,I will say check all 4 servos in the back side of your machine.Hope this will help and goo

Quad QSP-2 noisy belt

Electronics Forum | Wed Jul 03 06:52:27 EDT 2019 | bobpan

Seems to be fighting to hold its position. 1. Check for anything worn out...possibly idler bearing/pulley and/or the belt. 2. Maybe it could use servo tuning...this may help but usually servo tuning is not that critical. 3. Clean the scale and the


Electronics Forum | Thu Sep 03 09:02:38 EDT 2015 | derrikf

Yes. This is spot on. The machine is more than likely moving for a specific reason. You need to observe what it is doing while it is moving, when it's doing it, if it does it every time you perform a sequence of operations, or if it's occurs interm

Quad QSP-2 Wild Erratic Behavior of Gantries

Electronics Forum | Thu Mar 06 17:27:17 EST 2014 | bobpan

Does this happen with just 1 gantry? If so...I would think your encoder in that gantry/axis needs cleaned. I have seen digital i/o cards cause this issue. But usually you will notice this when opening and closing the doors. The head would sometimes


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