Re: New to Group- Sherline DRO

My mitutoyo DRO box has multiple datum levels (9). This is really useful
for ganging multiple jobs, or remembering where the center of the rotary
table is when you're doing something in the vise.

David M. Munro

>From: Russ Kepler <russ@...-eng.com>
>
>> There are really only two features I think a DRO needs:
>>
>> 1) Resettable zero
>> 2) A display capable of conversion between inches and
>> metric-irrespective of the leadscrew installed.
>>
>> Both of these features can be found in most (all?) electronic
>> micrometers and vernier calipers and I can't see that those features
>> make the DRO excessively complicated. I haven't bought the DRO for
>> this very reason.
>>
>> Bolt hole patterns and the other programming bells and whistles are
>> unnecessary IMHO for a simple DRO designed for a Sherline machine
>> tool.
>
>The only other feature I use is the 'midpoint' - all it does is to
>divide the count on a selected axis by 2. Real handy for those not
>having 32 bit internal arithmetic.