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Posted by Peter Neill on January 18, 2008, 3:43 pm
Please log in for more thread options On Fri, 18 Jan 2008 18:57:57 +0000, Mark Rand
>wrote:
>
>>On Fri, 18 Jan 2008 10:22:43 +0000, Austin Shackles
>>
>><snip>
>>>
>>>I tend to run drills on the lathe not that fast, anyway. Quite apart from
>>>anything else, the lathe is flat out at about 1200, which is slow for any
>>>drill under about 8mm.
>>
>>
>>You've got it good.
>>Just think how us poor sods with Myfords have to cope....
>>
>>Peter
>
>
>Actually, don't tell anybody, but Myfords can be run noticeably faster than
>the manual says without the world coming to an end. Properly adjusted and
>oiled, the headstock bearings can run barely warm to the touch at 1500rpm. The
>countershaft bearings are a bit more marginal, though. One day, I see a pair
>of needle roller bearings creeping into that location :-)
>
>
>Mark Rand
>RTFM
I can't pedal mine that fast <g>
Peter
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>Gentlemen, thank you for this info. In my ignorance, I've been reaming
>small diameter holes in stainless and aluminium for years at the same
>speed used for drilling (on the lathe).
>
>However, I've yet to wear out a reamer, despite this unintentional
>"abuse" (broken a couple mind :D ).
>
>Apologies for hijacking the thread.