Re: Adjusting Gears Just Right
I should have noted - I have just upgraded my LMS 7x12 with a 7x16 Bed Extension and find the gnashing is actually Gear B just barely contacting behind Gear D on it's back edge. The gears have ~2/3
By
CBJessee-N4SRN
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#117717
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Re: dividing wheel
If you have the circular piece of metal you want to make into the wheel you can do the following: Clickspring has a good video on how-to mark out these holes
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Bruce J
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#117716
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Re: Erratic spindle speed
Tom, Is the F/O/R switch a DPDT (for just switching the polarity to the DC motor) or are there additional poles on that switch? Some of the mini lathes have an additional? pole on the F/O/R switch
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Gary Anderson
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#117715
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Re: Adjusting Gears Just Right
Yeah, probably too tight. The plastic gears also tend to have tight and loose spots. When I was using them I set like I did back when I raced RC and slot cars. Use some news print. Put two thicknesses
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Ryan H
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#117714
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Re: Milling attachment for mini lathe
Forgot to mention that this design makes it very simple to accurately clamp workpieces in the attachment; remove the four screws holding it to the cross-slide and clamp the whole thing ¡®on it¡¯s
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Bruce J
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#117713
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Re: Milling attachment for mini lathe
I have the same ( or similar clone) one, I made a small pallet with a piece of ?¡± plate to attach to my cross slide in place of the compound. The screws shown fit into the mount for the compound,
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Bruce J
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#117712
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Re: Adjusting Gears Just Right
Bret, I got frustrated with adjusting the change gears a while back. and conceived the design shown in the attached PDF. I have posted this before. Regards, John Mattis (retired mechanical engineer)
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John Mattis
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#117711
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dividing wheel
somebody cab? schow me? ?howto? make? the? wheell whit?? all the? hole?cab I do not? hVE? nY? MILLING? JUST? A VINTAGE? LATE AND A DRILL how? you can make? all these? hole maybe?
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Jacques Savard
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#117710
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Re: Erratic spindle speed
Easy to check continuity on the switch with a VOM¡or maybe a wire got disconnected while you were fixing the fuse.
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Bruce J
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#117708
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Re: Milling attachment for mini lathe
It made in China. They do there designing by just copying a good product. It cost $59.00 free shipping. It part of my down sizing It nice to have some type mill. The next part is mounting to lathe.
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davesmith1800
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#117707
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Re: Erratic spindle speed
Thanks everyone for you response. I cleaned the pot with alcohol and while I was inside found that the fuse holder had a loose wire. Put everything back together and the erratic RPM problem is solved
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Thomas Key
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#117706
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Re: Milling attachment for mini lathe
Except for the second handle that looks identical to the one for the Taig lathe . animal
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mike allen
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#117705
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Milling attachment for mini lathe
Just got my milling attachment for my new lathe. Dave
By
davesmith1800
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#117704
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7" Rasing block
If look this photo you see rasing block for 8" swing . I new it 7" but think they would try hard to hide it
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davesmith1800
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#117703
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Edited
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Re: Erratic spindle speed
I use one from CRC called "QD Contact Cleaner". Regarding replacement pot/switch combinations you need to pay attention to the switch -- whether the original is normally-open or normally-closed.?
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Mark Kimball
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#117702
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Re: Erratic spindle speed
Yes there are several ¡°numbers¡± but which numbers mater? If you have a generic 7x lathe then you can buy an exact replacement part from LMS. The 7X uses a pot that is slightly hard to find and LMS
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Chris Albertson <albertson.chris@...>
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#117701
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Re: Gear ratio/ lead screw confusion
You find most programs for threading calculations will use 0.1% . You can for most work you can go as high as 2% in a pinch 4%. Dave
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davesmith1800
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#117700
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Re: Erratic spindle speed
?? wrote:
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Thomas Key
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#117699
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Re: Erratic spindle speed
Should numbers on backside or on side. There are different brands but the numbers tells which one to buy. Dave
By
davesmith1800
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#117698
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Re: Erratic spindle speed
Dave¡what brand potentiometer should I buy if I need to replace the original?Tom wrote:
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Thomas Key
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#117697
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