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??? What size is the hole in the brush holder ? If ya could get something smaller that the brush hole to keep alignment like in yer pic maybe some JB Weld could make for a real solid repair

Here is the adjusted brush holder: [image: IMG_20240708_190756852.jpg] It's not straight so maybe I'll try to adjust. I'll try to get the wood closer to actual dimensions. You can see what happened

Here's more detail than you probably want about testing ball bearings; < https://www.nsk.com/tools-resources/mantenance/bearing-inspection/ > Realistically, on these small bearings all that's needed

I heated the miss aligned holder up. I got it lined up with the opposite holder but the little knob on top that holds the set screw melted. I do not see how the holder would be replaced. I will put

I wondered if the little machine shop could get you a new holder as it looks like one could pull off the melted holder and just press on a replacement.

The mini lathe will be still around . Before the disastrous the earth temperature was 140°F and the oxygen was above 30%. We had real big bugs We just need to have better AC then for the hobby shop

I should hope not. Not only would we burn ourselves using our lathes in that kind of heat, but our perspiration dripping on the machines would create a lot of rust. Besides, if temperatures on

Here a photo from past. If look under motor you see a opening . The set motor to bring in cool air. The only problem is low speed work. Dave

Yes, You are correct. The best you can expect with forced air cooling is to cool the part to ambient temperature. You can of course, never get there, no matter how big the fan. But again the

40°C is 104°F Try living where the temperature is in normal will 110°F 43.3°C Cooling becomes a big problem Dave

Most of the parts are rated for at least 80C. Parts will work OK even if they are so hot they ould burn your skin. That said service life can depend on temperature. With air cooling, the

Harbor Freight does it on their 44991 Mini Mill, + a small fan as well

It will take longer if no helper is present, it takes just as long for the heat or cold to permeate in either direction, an A/C or heater will go as fast as it ever did... 5000 BTUs window A/C or

On my lathe The bottom is open by? design by manufacturer.? As long the chip do not jump high it will work . My lathe is a 2023 model maybe they working on over heating . It is to hot for

Here is one! 355848246324 for sale | eBay <https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2332490.m570.l1313&_nkw=355848246324&_sacat=0> not mine Good Luck to any bidders!

I like cooling fans. Even inside point at board like do for computer's. Motors that are TEFC have fan inside and a fan out side to cool the motor.? Sometimes uses a aluminum end cap fir better heat

I added a computer fan to mine.

Speaking of heat, some of you might be interested in a modification I made to my minilathe about 15 years ago. To keep the electronics from overheating, I drilled holes in the cover with screening on

And once the inside gets hot, it takes longer to cool it down, as the insulation keeps the heat in ralphie [email protected]> wrote:

Victorville ,ca. area, 111 outside,,77 in insulated garage r-12 walls,6" spray foam against roof ply-exposed trusses ( 700 sq. ft.floor area), 12000 btu window unit(winter sale closeout $200.00) cut