From: Snag_one@msn.com
On 5/30/2024 9:03 PM, Clare Snyder wrote:
> On Wed, 29 May 2024 12:07:36 -0700, Bob La Londe
> wrote:
>
>> I need to make a mounting adapter for the the ballscrew I plan to use on
>> the Y axis of the Hurco mill. On hand I have oodles (not quite a crap
>> ton) of 6061, a little bit of MIC6, a little ATP 5, some 7075 (bought
>> for a "special" project), and a decent amount of 4140HT not reserved for
>> anything.
>>
>> The 7075 would likely be the best of the aluminum alloys. Its the
>> strongest, but like I said. I bought it for a "special" project.
>>
>> The strongest by a lot would be the 4140HT, but it has its issues. Its
>> tough to machine, but I can do it. It would have the least flex, or
>> compression, but it can warp during machining. I do have a toy surface
>> grinder, but it has no coolant setup. I have no desire to warp it even
>> more trying it grind it flat after machining.
>>
>> In between would be cast iron (very expensive) and mild steel (likely
>> 1018) of which I have neither on hand suitable for this adapter.
>>
>> For context, the adapter will bolt onto the location where the old ball
>> nut was, and the new ball nut will bolt on to it. It doesn't have to be
>> absolutely perfect, but it does need to be "pretty good."
>>
>> Ideas? Suggestions? Warnings?
>>
>>
>>
>> --
>> Bob La Londe
>> CNC Molds N Stuff
> You think the stress would be too high for 6061T6?? Machines easily.
>
That's what I used to make an adapter plate to mount a power feed on my
mill . I'm pretty sure the acceleration loading on the ball screw is
going to be many times what my power feed produces on the acme screw .
--
Snag
"They may take our lives but
they'll never take our freedom."
William Wallace
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