Hi all
I am about to start on a new build, previous units have been threaded rod, then ACME, now I have the budget to go with ball screws.
From my reading I find that ball screws are not self locking, so if used vertically gravity will pull the router head down and the screw will free-wheel (assuming of course the motor is not powered)
Am I correct in this understanding and if so what can I do about it ?
My thoughts are:
- Dont use ball screws, use ACME for Z
- Make sure the motor is always powered, a bit hard
- Use some sort of electric clutch or free wheel inhibit
Any advice please ?