If X0, crawls at a snails pace, if X0.0000001 moves at a reasonable speed.

 >Len



On 6/24/2015 3:21 PM, TJoseph Powderly wrote:
> Could you please check what this does?
> G91 A360 X0 F100
> this has an X component ( no distance tho )
> thanks
> TomP
>
> On 06/24/2015 01:24 PM, Len Shelton wrote:
>> On a machine with a rotary A axis, if I run
>>
>> G91 A360 X10 F100
>>
>>     the machine moves 100IPM on the X and the A axis completes a 360
>> degree rotation at the same time. If I then run
>>
>> G91 A360 F100
>>
>> the machines takes almost 2.5 minutes to complete the rotation, because
>> it is only running 100 degrees per minute.
>>
>> So it seems that the feedrate of the linear axis overrides the feedrate
>> of the angular units if a linear move is coordinated with it. Can
>> someone confirm this?
>>
>> Also, this becomes a problem for a CAM program like Aspire when it has
>> an angular move without a simultaneous linear move. I was wondering if
>> anyone had run across this or if anyone had any thoughts.
>>
>>    >Len
>>
>>
>>
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