Limit switch snap action?

How does the difference in snap action (snap on, snap off) on the limit/home switches in relation to the ball screw location affect performance if any? I'm using a meter to set the switches on the machine and noticed they open and close at different locations on the ball screw due to the snap action. Will this cause a problem as far machine and controller responses?

AMelvin wrote:

How does the difference in snap action (snap on, snap off) on the limit/home switches in relation to the ball screw location affect performance if any? I'm using a meter to set the switches on the machine and noticed they open and close at different locations on the ball screw due to the snap action. Will this cause a problem as far machine and controller responses?

Was each "open" at the same location, and each "close" at the same location? If so, then you will probably not have an issue.

If not, were you moving the screw by hand, or using the homing sequence? If the latter, then you have problems. However, those problems are only as big as your requirement for repeatability when powering-up and homing.

Was performing first setup for building purposes and was by hand as controller is not installed on machine.
As this is the first time with limit switches, I was not aware that rapid break, slow make function was there.
Thanks for the assistance to all.

I am in the process of setting up my switches and noticed something that may be relevant.... the distance between "Break" and "Make" on mine is about 1/8" of table travel... so while it will work it means I am losing around 1/2" of otherwise usable travel. (Safety margin plus make/break travel). I could maybe trim that to 3/8ths but still a switch that has less dead zone and makes/breaks closer to the same spot would lower that loss.