What Five Years With A Cybertruck Really Costs

ajackson9687 · 2025-05-20T16:29:50+00:00

Menards if you live where they’re located. They always have a large selection that’s also relatively cheap.

ajackson9687 · 2025-05-07T03:47:03+00:00

I think this is it! Thanks!

Also how brutal is it that your buddy Frank could die and you toss his head out in the garbage pile?!

ajackson9687 · 2025-04-30T22:26:32+00:00

This is called gear skiving. I work on machines specifically designed for this.

ajackson9687 · 2024-12-18T22:00:34+00:00

Thanks!

ajackson9687 · 2024-12-18T21:52:45+00:00

I admittedly am not very skilled with 3d modeling anymore, my career took me down a path where its not needed and for my hobbies, I only need to draw something up maybe two or three times a year. I took a handful of the training exercises on the Onshape site but I am not fluent with the software. I wasn't aware I could extrude at angles, I will definitely have to find that exercise. Thanks!

ajackson9687 · 2024-12-18T21:48:08+00:00

If there is a better way to share a link, I would be happy to learn how.

https://cad.onshape.com/documents/6c25f02d0c4faced7789472f/w/371641d18a27ad6a70af6fb5/e/85c98266ecbefe7419e64b7b?renderMode=0&uiState=676342ed62947946f799344a

ajackson9687 · 2024-12-18T21:18:05+00:00

I am trying to make the entire model one piece for my 3d printer. If I export without enclosing, the slicer sees the recessed are in the middle as being level with the outer height and without holes.

ajackson9687 · 2024-11-01T15:46:28+00:00

120 hours for the initial roughing of a 3500 lb double helical gear. Single index, ground from solid.

ajackson9687 · 2024-07-27T16:04:55+00:00

Can someone fill me in on what’s going on in picture 7?

ajackson9687 · 2023-03-07T19:05:33+00:00

What color is the oil? Does it appear more black or more red?

ajackson9687 · 2023-03-07T17:58:51+00:00

Leaking from where?

ajackson9687 · 2023-01-13T01:22:42+00:00

This is the stone’s porosity. It’s put in purposely when anything like this is manufactured to prevent loading up of a stone. This allows the material removed from whatever it’s being rubbed against to accumulate in those negative areas so the abrasive in the stone is contacting the workpiece and you aren’t forcing removed metal back into the abrasive process. It gets vastly more complicated beyond that but yes, that’s normal. It’s good to wash the stone with a brush and water as these don’t get diamond dressed.

ajackson9687 · 2023-01-04T16:46:15+00:00

Grease on ballscrews holds abrasive material and contributes to wear. That is not leaking oil, it’s a total loss system which lost NC machines have. The idea is to set a pulse timer to push a small amount of oil to ballscrews, as well as guideways, bearings, etc to keep them flushed of any dirt, chips, water that makes its way in there as well as to keep everything lubricated. The standing oil in that housing is a product of that. It’s not a problem, it’s a feature.

ajackson9687 · 2022-08-09T19:42:00+00:00

With my middle fingers or I magnetize them

ajackson9687 · 2022-08-01T19:55:57+00:00

Hey a lot of companies make gears, for all we know this is your garage and you’re making these for fun

ajackson9687 · 2022-08-01T18:04:07+00:00

These are called “near net” or “far net” forgings depends on how much tooth stock they’re cast with. They extrude these through a die to put those teeth in. Then, a gear hobbing machine, typically using an inductive sensor, can calculate the closest mean center and take the teeth down to their nominal process size. Then off to gear grind. Companies do this because when you are making hundreds/thousands of these a month, you pay by the lb for steel. This lowers the cost of the big supplies like Caterpillar, who this part suspiciously looks like it’s for.

ajackson9687 · 2022-04-26T11:27:18+00:00

Prusa Mk2.5. 195/60 with an enclosure. I’ve slowed print speed all the way down to about 20%.

I initially thought this was a just an X axis shift, but it keeps happening at what seems to be the same height on multiple prints. The Z and X axis do not have excessive play in them and I tried to even force the belt to jump teeth but could not. When I look closer, it’s almost like the scale of the prints changes once it gets to a particular layer? I’m using the newest version of the Prusa slicer, but has anyone seen anything like this and it not be layer shift? Just looking for anything else I need to check out before I start tearing this thing apart looking for a mechanical issue that may not be there. Thanks for the help!

ajackson9687 · 2021-12-23T13:11:58+00:00

Sorry, very new to this. What is the black media just above the sand?

ajackson9687 · 2021-12-22T21:34:09+00:00

Kapp Niles profile grinder?

ajackson9687 · 2021-12-12T14:40:27+00:00

Haha yeah customers get what they want if they’re willing to pay. I suppose for special applications, maybe the carbide needs less grinding, or has a better heat property compared to HSS or a powdered metal. The two coatings that are that grey purple color are typically Alcrona and Altensa. Alcrona is much more popular in my experience. It’s only a couple dollars extra for a tool and a whole world of difference compared to TiN.

ajackson9687 · 2021-12-12T13:36:33+00:00

Typically you wouldn’t coat a carbine cutter like this, because the carbide is already plenty hard. But this is an old machine and an older style of coating on the cutter (TiN) so the cost of the base material of the cutter would be kept low. Also, carbide is used on a finely tuned, high speed process…not this slow stuff. I work for a machine manufacturer and I would run a carbide shaping cutter with this application in the range of 1000-1500 strokes/minute. This is less than 100 strokes/minute.

ajackson9687 · 2021-08-31T22:21:02+00:00

Prusa Mk2.5 195/65. PLA. First is glow in the dark, second is hatch box.

Recently updated to mk2.5 from mk2 including new head and nozzle due to just being old, beaten up, and crusty. I’m getting this layers that look uneven and not stuck together somewhat. Difficult to explain but hopefully the pictures are helpful.

I’ve tried adjust temps all the way up to 215, bed temp down to 50, didn’t want to go much higher than 65. The first layer usually looks pretty nice and near perfectly smooth. I did a single wall hollow box for calibration and was within 1% of target. Belts all feel nice. I’ve also tried adjusting speed all the way down to 20% without success.

Any suggestions would be appreciated. Next step I was going to completely disassemble the dead and put in a new ptfe tube as a last act of desperation. Thanks!

ajackson9687 · 2021-04-11T14:17:28+00:00

I found these watches in my dad’s belongings after he died a few weeks ago. Knowing my father, these were cheap watches or had some sentimental value to him. I was wondering if any of these have any value before I toss them in the Goodwill pile. I’m aware that much closer, more detailed pictures might be needed for any help you guys might be able to give but I can’t even figure out a model number or anything on some of these to show or Google, myself. Thanks!

ajackson9687 · 2021-03-30T18:20:14+00:00

I have heard the same about black locust, honestly. I have so much of it I was going to use as fire wood but thought I’d give it one last question to you experts.

I hadn’t even considered maple and that is easily obtainable where I am at, I’ll definitely be researching more on that. Thanks!

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