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I measured my 5-C spring collets and found less than .001" taper from the threads to the closing cone!

I wonder if the brass collet is part of the problem. Coming from e-bay, there's no telling what sort of abuse it may have suffered. Steel collets are "spring hard" to avoid distortion during use; they

Hi Roy, Thanks for the link. I looked at the site and wrote to the owner, Dave Audette, who provided a considerable amount of information in a detailed reply. One key bit of data is that his runout is

<http://groups.yahoo.com/group/7x10minilathe/files/Techniques/HowToThr The link got broken by Yahoo. Its a common problem. I'll try to rejoin it here, but if that doesn't work (I won't know for sure

See if there's anything here that helps: http://www.broncosaurus.net/ Roy here: know judge

Based on building a 5-C adaptor I believe that the bore should be straight to align the collet body coaxially with the lathe axis. Bill in Boulder "Engineering as an Art Form!"

http://groups.yahoo.com/group/7x10minilathe/ Did you try the above? Works for me. Charlie

7X10 is not on the server :( mike > <http://groups.yahoo.com/group/7x10minilathe/files/Techniques/HowToThr Useing go. of

I recently attempted to make a 3C collet chuck to fit the 3MT taper in my lathe. This seemed to go OK but the first try was not a good fit (rear of the collet fit sloppy) so I made another which fit

Concerning the sister site http://groups.yahoo.com/group/mini- mill, ...I added a message about tramming the mini mill over a week ago but it was never posted on the board. Also, I notice that there

Hi to all! New here [and to machining] and having a great ime learning a new craft. I got a 7x14 from MicroMark. Lots of small problems, but my big one is spindle runout. I am getting just under .001"

The "restricted" means you have to join the group to access the files. Since it's an open group, joining is effortless. Roy <http://groups.yahoo.com/group/7x10minilathe/files/Techniques/HowToThr

Thank you all for the various replies, they were very helpful

Thanks for the advice unfortunately I can't download the file. Yahoo says something about them being restricted But I am practicing and enjoying it thanks again mike > >

to keep steel rust free, i have a long plant trough with lid that is 30 inch by 7 inch by 7 inch. it has about an inch deep filling of 50/50 parrafin and oil. the occaisional swill round keeps

--- In 7x12minilathe@..., Richard Kleinhenz <woodnpen@o...> wrote: ... > ... Or is there some way of tell what you got? I don't mean > telling stainless steel from aluminum, but 12L14 from

<woodnpen@o...> wrote: Basically, you have to take the supplier's word for it. If he lies a lot, find another supplier, or a favorite salesperson. Only at that particular supplier's lot. I have 3

If you meant to leave a message, it didn't get here...

There is not universal color coding system, each metal foundry has its own, or smaller shops make there own. I worked in a tool and die shop a couple years ago that used white for d2, yellow for a2,

hi can anyone suggest a site that explains how to set up and use a vernier height gauge? appreciate any help. Peter