Re: [CAD_CAM_EDM_DRO] Re: EMC Contouring Settings/ downloading BDI

On Fri Feb 1 23:21:00 2002, Jon Elson, <elson@...> wrote:

>Art Fenerty wrote:
>
>> Thanks Ballendo:
>>
>> Master5 will now correctly handle this type of move. It was just a
>> question of recalculating the feed rate automaticaly from the velocity and
>> acceleration settings of the A axis compared to the total move of the linear
>> axis. The problem actually was due to the calculation of the trajectory time
>> cycle being only tied to the X,Y,Z axis.
>> At least this way if someone wants to use A as a linear axis, there is no
>> problem.
>
>A is NEVER a linear axis. It is all clearly defined in the RS-274D
>specification.
>A B and C are rotary axes parallel to the X Y and Z axes, respectively.
>U V and W are auxilliary linear axes parallel to X Y and Z, respectively.
>So, if a vertical spindle is Z, the knee vertical motion would be W.
>A rotary axis parallel to the X axis would be the A axis. A plain
>rotary table would be the C axis. There are many more special purpose
>axis definitions in the spec, but these are the common ones.
>
>Jon

Which categor(y/ies) would a universal head come under?

Bill

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