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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Millrite Spindle Saga
In August 2010, I dismantled, cleaned, and reassembled the spindle on my
Millrite MVI vertical mill. The original postings were titled "Millrite MVI spindle bearing repair - first report". I took notes and some pictures as work progressed, and the result (the second report I suppose) has been uploaded to the Dropbox. http://metalworking.com/dropbox/Millrite_Spindle_Saga.txt http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo1.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo2.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo3.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo4.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo5.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo6.JPG Joe Gwinn |
#2
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Millrite Spindle Saga
On Oct 20, 8:11*am, Joseph Gwinn wrote:
In August 2010, I dismantled, cleaned, and reassembled the spindle on my Millrite MVI vertical mill. *The original postings were titled "Millrite MVI spindle bearing repair - first report". * I took notes and some pictures as work progressed, and the result (the second report I suppose) has been uploaded to the Dropbox. * http://metalworking.com/dropbox/Millrite_Spindle_Saga.txt http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo1.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo2.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo3.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo4.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo5.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo6.JPG Joe Gwinn That was a nice write-up! I wonder if you could have included pg 38 from the Maintence Manual that you obtained from D.C. Morrison. That might have helped the story. Maybe you didn't include it because it was copyrighted. |
#3
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Millrite Spindle Saga
On Wed, 20 Oct 2010 09:11:19 -0400, Joseph Gwinn
wrote: In August 2010, I dismantled, cleaned, and reassembled the spindle on my Millrite MVI vertical mill. The original postings were titled "Millrite MVI spindle bearing repair - first report". I took notes and some pictures as work progressed, and the result (the second report I suppose) has been uploaded to the Dropbox. http://metalworking.com/dropbox/Millrite_Spindle_Saga.txt http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo1.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo2.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo3.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo4.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo5.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo6.JPG Joe Gwinn I enjoyed those pictures and commentary. Good job!! xman |
#4
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Millrite Spindle Saga
In article
, "Denis G." wrote: On Oct 20, 8:11*am, Joseph Gwinn wrote: In August 2010, I dismantled, cleaned, and reassembled the spindle on my Millrite MVI vertical mill. *The original postings were titled "Millrite MVI spindle bearing repair - first report". * I took notes and some pictures as work progressed, and the result (the second report I suppose) has been uploaded to the Dropbox. * http://metalworking.com/dropbox/Millrite_Spindle_Saga.txt http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo1.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo2.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo3.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo4.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo5.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo6.JPG Joe Gwinn That was a nice write-up! I wonder if you could have included pg 38 from the Maintence Manual that you obtained from D.C. Morrison. That might have helped the story. Maybe you didn't include it because it was copyrighted. I don't recall that it's copyrighted, but why page 38 versus the other pages? It would require a very good scan to allow sufficient detail to be seen. Joe Gwinn |
#5
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Millrite Spindle Saga
On Wed, 20 Oct 2010 22:08:58 -0700 (PDT), "Denis G."
wrote: On Oct 20, 10:16*pm, Joseph Gwinn wrote: In article , *"Denis G." wrote: On Oct 20, 8:11*am, Joseph Gwinn wrote: In August 2010, I dismantled, cleaned, and reassembled the spindle on my Millrite MVI vertical mill. *The original postings were titled "Millrite MVI spindle bearing repair - first report". * I took notes and some pictures as work progressed, and the result (the second report I suppose) has been uploaded to the Dropbox. * http://metalworking.com/dropbox/Millrite_Spindle_Saga.txt http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo1.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo2.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo3.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo4.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo5.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo6.JPG Joe Gwinn That was a nice write-up! * Yes, interesting project. No matter, it was a good story. I hope that you will tell us if you discover the cause of the run-out problem. My SWAG is that (if it's not a bent spindle) it's play in the bearings which might be taken up with shims, and that he already knows that. But I doubt it's the simple procedure it sounds. -- Know how to listen, and you will profit even from those who talk badly. -- Plutarch |
#6
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Millrite Spindle Saga
In article
, "Denis G." wrote: On Oct 20, 10:16*pm, Joseph Gwinn wrote: In article , *"Denis G." wrote: On Oct 20, 8:11*am, Joseph Gwinn wrote: In August 2010, I dismantled, cleaned, and reassembled the spindle on my Millrite MVI vertical mill. *The original postings were titled "Millrite MVI spindle bearing repair - first report". * I took notes and some pictures as work progressed, and the result (the second report I suppose) has been uploaded to the Dropbox. * http://metalworking.com/dropbox/Millrite_Spindle_Saga.txt http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo1.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo2.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo3.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo4.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo5.JPG http://metalworking.com/dropbox/Millrite_Spindle_Saga_Photo6.JPG Joe Gwinn That was a nice write-up! *I wonder if you could have included pg 38 from the Maintence Manual that you obtained from D.C. Morrison. *That might have helped the story. *Maybe you didn't include it because it was copyrighted. I don't recall that it's copyrighted, but why page 38 versus the other pages? You had mentioned items on pg 38 a few times early in the story when you talked about how the motor was attached, etc. I thought that pg 38 might have the parts breakdown of the machine. It could have helped to see what you faced. It does have a simple parts breakdown drawing, as do many of the other pages mentioned. Basically there is a horizontal plate that at one end is bolted to the millrite head and at the other end the motor mount is bolted to (with provision to change the distance between spindle and motor rotation axes, so one can change the spindle speed by moving the drive belt up and down between cone pulley grooves). No matter, it was a good story. I hope that you will tell us if you discover the cause of the run-out problem. Thanks. I'm still figuring out how to measure runout despite the use of imperfect (=cheap) tools. One cannot improve what one cannot measure, so this step is essential. The beginning of this process was posted in September 2010 in the thread titled "Mathematical analysis of Rollie's Dad's Method". I had been distracted by my day job, but will soon return to matters of runout. Joe Gwinn |
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