Re: [CAD_CAM_EDM_DRO] Re: Digest Number 4217

There is allways, "Time Saver", non-embedding lapping coumpounds.

Bill

On Wed Mar 23 16:13:49 2005 Dave Shiels wrote:

>One also needs to consider the possiblity of "charging" the cast iron
>when lapping. Generally lapping in a precision machine shop is a hard
>steel surface being lapped by a charged cast iron one. Cast iron is
>pretty soft and the surface can become embedded with lapping compound.
>Be afraid of abrasives on your cast iron parts. Lapping compund can
>actually bite into the surface of cast iron.
>
>R Rogers wrote:
>
>>
>>turbulatordude <dave_mucha@...> wrote:
>>
>>ps: People who call a ball bearing center in a tailstock a live
>>center is my favorite incorrect use of words.
>>
>>/// A tailstock center with bearings and rotates with the work is a "live" center. A center without bearings is a "dead" center and must be greased as it does not rotate with the work.
>>
>>Ron

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