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Author Topic: Replacing SINE table for a trunion table  (Read 1801 times)

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Replacing SINE table for a trunion table
« on: January 31, 2012, 03:51:46 PM »
Hi,

We were using a Sine table to get compound angle on part. With the manual sine table we we're able to ajust Rx and Ry by adding shims. We have recently intalled a 4th(Rx) and 5th(Rz) axis to replace the Sine table. Is there a way to convert Rx and Ry orientation into Rx and Rz orientation. I'm having trouble determine the rotation angle of B axis which is equivalent to the rotation around Y.

Thanks

Offline Graham Waterworth

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Re: Replacing SINE table for a trunion table
« Reply #1 on: February 04, 2012, 02:20:21 PM »
This might help you :-

http://www.i-logic.com/rotation.htm

Graham
Without engineers the world stops
Re: Replacing SINE table for a trunion table
« Reply #2 on: February 07, 2012, 07:55:16 AM »
Thanks a lot! it's really helpful but I do not understand how it determines the first angle from the normal equation of the plane. I'd like to understand how it's calculated!