HELP: 4th Axis configuration (video posted)

[PEU]

I have a some questions regarding the 4th axis configuration:

- what is the standard for setting Zero in this axis? in one of the extremes of the screw or in the middle?

- how do you reference this axis at startup?

- the 4th axis is supposed to go around 360 or a little more? (or a little less?) Using my "eyemeter" it seems its some degrees short of 360º

I machined a wood piece and made a small video (will upload in next post) but I didn't finished the piece because of these doubts.

Thanks in advance

[PEU]

As promised the video: http://www.veoh.com/videos/v1635783c7ehCSnW

[SyilAmerica]

Zero of a A is usually your Z axis 0 plane, or 0 degrees.

Their is no referance on the Z.

The A can go around any number of degrees you specify. 720, 1023, 20, etc. One full revolution is 360 degrees.

[PEU]

sorry, wrong post