Re: [CAD_CAM_EDM_DRO] Re: replacing feed screw with a hydraulic cylinder

In a message dated 11/5/2002 7:06:33 PM Central Standard Time,
toolingrus@... writes:

> Some obvious negatives I can think of: Slow speed (?), piston seal leakage,
> temperature may change volume of fluid (?). Just thinking out loud but I'd
> like to hear what others think.
>

Key word here is "SOME..."! Just imagine how many negatives if you include
the ones you CAN'T think of! Unless the hydraulic concept would provide a
FORCE somehow unattainable elsewise, and you NEEDED that force, or the like,
or, perhaps you live in a land where "cleaning goop off everything every hour
or so is delightful", Steppers or Servo would be the way to go!



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