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

On Sat Feb 2 10:11:22 2002, Jon Elson, <elson@...> wrote:

>Bill Vance wrote:
>
>> On Fri Feb 1 23:21:00 2002, Jon Elson, <elson@...> wrote:
>> >
>> >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?
>
>Ummm, what's a universal head? Is that a Bridgeport with the two axis
>knuckle joint between the head and the ram? That is not a CNC controlled
>motion. As for multiaxis spindle machines, there are so many varieties
>in how the axes are stacked, and the range of motion of the axes, that
>every one is pretty much different.
>
>Jon

I think the BP is the one I've seen a picture of. It looks like a big sphere
with a short tube coming out of the end?

Bill

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