Re: Mini-lathe Z-axis backlash
#LATHES
Thanks Charlie for this post, now I need to check my Real Bull for Z
backlash. I have not motorized the Real Bull yet.
Ralph
[email protected]> wrote:
By
Ralph Hulslander
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#1318
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Re: Mini-lathe Z-axis backlash
#LATHES
I first met him in Methuselah's Children, long, long ago. I own most of the books he appears in in hardback. Takes up a lot of my space. Makes it kind of hard to shoehorn the machine tools in,
By
Bill in OKC too
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#1317
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Re: Mini-lathe Z-axis backlash
#LATHES
Good idea, Bill!
I have some material that a friend recommended that is intended to prevent screws from vibrating loose, and supposedly allows you to remove and replace them 3-4 times before having
By
CLevinski
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#1316
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Re: Mini-lathe Z-axis backlash
#LATHES
That's great, Charlie! Glad I could be of some assistance. One of these days, you might want to put some of the low-strength loc-tite in there. Next time you have to do this, not now. If it ain't
By
Bill in OKC too
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#1315
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Re: Mini-lathe Z-axis backlash
#LATHES
Bill,
My lathe (a Real Bull) has two half-nuts. I removed the lead screw covers, and was able to determine that the issue was the three small adjustment screws as seen on the far right of the apron
By
CLevinski
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#1314
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Re: Mini-lathe Z-axis backlash
#LATHES
Thanks, Jonathan!
--
Regards,
Charlie
New Jersey, USA
*ANTHONY¡¯S LAW OF THE WORKSHOP: Any tool, when dropped, will roll into the least accessible corner of the workshop.*
*THE LINDO COROLLARY: If
By
CLevinski
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#1313
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Re: Mini-lathe Z-axis backlash
#LATHES
Charlie, do you have the two half-nuts, or a single half-nut and retainer like mine has? A worn out half-nut or half-nuts, or loose screws on the retainer or half-nut(s), the shaft(s) in the groove
By
Bill in OKC too
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#1312
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Re: Mini-lathe Z-axis backlash
#LATHES
Leadscrew/carriage backlash on my Grizzly 7x12 8688 is around 10 thou
By
Jonathan Mackenzie <jonathanmackenzie@...>
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#1311
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Mini-lathe Z-axis backlash
#LATHES
Hello, All,
I am having an issue with my mini-lathe, in that it seems to have excessive backlash in the Z-axis. (I.E., from the leadscrew to the carriage.) Backlash seems to be about 1.00 mm / .040
By
CLevinski
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#1310
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Re: What did you do in your shop today?
#MISC
Wheel,? do you mean the aluminum ring with the jog bored holes. ?
I use this ring that is bolted to the back spindle flange of my 7 x lathe
chucks/Er 32 collet holder
With a spring loaded indent
By
John Lindo
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#1309
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Re: What did you do in your shop today?
#MISC
John,
Good description!
What is the wheel that you are using the dividing head on? And what is the wheel diameter?
--
Regards,
Charlie
New Jersey, USA
*ANTHONY¡¯S LAW OF THE WORKSHOP: Any tool,
By
CLevinski
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#1308
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Re: What did you do in your shop today?
#MISC
Well done, Top Job !!
By
allen gentz
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#1307
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Re: What did you do in your shop today?
#MISC
??? ??? that's pretty sweet? Richard !!!
??? ??? animal
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mike allen
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#1306
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Re: What did you do in your shop today?
#MISC
It may be inexpensive to you, but to us Brits that is a fortune!?
We have to "make do and mend". That is why I built this.
Gear was ex lathe change-wheel set and all material came from
By
Richard <edelec@...>
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#1305
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Re: What did you do in your shop today?
#MISC
Use of circular tables.
Most dividing plates will fit on a circular table. reasonably priced from Arc Euro Trade UK.
4" tilting head to 90 degree table also Arc Euro. Photo 1 shows a typical
By
John Lindo
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#1304
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Re: What did you do in your shop today?
#MISC
Hi Charlie, that's cool I have a set of dividing plates that I had
thought of doing something similar.
I have not located a small rotary table, I do have a 6" one that I have
used on my
By
Ralph Hulslander
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#1303
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Re: What did you do in your shop today?
#MISC
Hi, Ralph,
It is an inexpensive, Indian rotary table. I purchased dividing plates for a similar model and, with some suggestions from John Lindo, adapted the plates to this model rotary table. I did
By
CLevinski
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#1302
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Re: What did you do in your shop today?
#MISC
That does not look like a cheap dividing head.
Ralph
By
Ralph Hulslander
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#1301
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OT: A mask-wearer talks back!
#MISC
--
Regards,
Charlie
New Jersey, USA
*ANTHONY¡¯S LAW OF THE WORKSHOP: Any tool, when dropped, will roll into the least accessible corner of the workshop.*
*THE LINDO COROLLARY: If you have cats,
By
CLevinski
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#1300
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Re: What did you do in your shop today?
#MISC
Nice solution and well set up on the dividing head.
Well done.
Thanks
John
By
John Lindo
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#1299
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