[Emc-users] Need to select a timing belt type and size

2018-02-18 Thread Chris Albertson
Question: What would be the preferred timing belt for a new design? Here is the application. I'm making a z-axis control for a Harbor Freight mini mill (Sieg X2). In this design a 5/8 diameter, 0.200 pitch ball screw is fixed and the nut spins. The nut is driven by a timing belt "about" 50 te

Re: [Emc-users] non-contact position sensors, surprisingly good performance.

2018-02-18 Thread Chris Albertson
Petter, *After* you point it out, I remember and yes, 0.75 mm. >> ...which usually is 0.75 mm. > > Peter > -- Chris Albertson Redondo Beach, California -- Check out the vibrant tech community on one of the world's m

Re: [Emc-users] non-contact position sensors, surprisingly good performance.

2018-02-18 Thread Peter Blodow
Am 16.02.2018 um 06:32 schrieb Chris Albertson: /snip/ /snip I think this thread size os used for those very thin rings used for electrical jacks and toggle switches. The ring nuts are only 2mm thick so they need an ultra fine pitch. ...which usually is 0.75 mm. Peter

Re: [Emc-users] non-contact position sensors, surprisingly good performance.

2018-02-18 Thread Chris Albertson
If you are bending a screw the speed does not matter it is the acceleration. That is measured in meters per second squared (or whatever the Imperial equivalent is? feet per second per second?) I think a typical low performance mill like most of us have might have go a 2m/s^2 A very high perform