2018 POTD Thread Archive

To follow up my work from yesterday (https://www.hobby-machinist.com/thr...-in-your-shop-today.67833/page-30#post-626994), I was using it today, the temp was just below freezing, and after the engine was running for a couple minutes, the air cleaner housing was just on the edge of being too hot to touch with my hand, so I would say it works a little too well right now.

I'll probably go back to the junkyard and get the nozzle off the air cleaner where I got the flexible tubing from, as I think it has a temperature sensitive valve to control how hot the air going to the air filter gets.
 
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Wasn’t done in a day about 3days 2 hours at a time. That’s all the free time I can get sometimes. :( This is actually my first attempt at dovetails. Worked good no surprises. I have a bunch of 2 1/2 round so it seemed perfect for the project. Don’t have any pics of the dovtail work sometimes I get involved in the job and don’t think of it. Here’s a shot of drilling out a 15/16 hole talk about some spiral chips.
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Then I broke out the boring head and opened it up the 1.000. My second time using this boring head. I love it very well built and a pleasure using no makers mark it bores and faces.
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Was happy with fit and finish. 8465FE6D-CABB-415A-918A-42C23D641593.jpeg
Next was slitting it. This was what I came up with to hold with the arbor I have for the slitting saw. Was a little challenging figure out how to hold and get the clearance.
One question I have is do you cut the hole slot at once full depth or cut a it with multiple passes? I did .100 cuts with no problem it was just my first time using slitting saw. Didn’t want to mess it up. Usually I’d cut on the bandsaw but I wanted a crisp, straight cut.
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After doing this I found I need to make acouple slitting saw arbors. All that’s left is to drill and tap a hole on top for setting height. I’m waiting for the 2” long fine thread set screw to come in. And I have to make the knurled adjustment ring that comes on tool holders. I need another day in the shop.
 
Nice idea using round stock to make the holder, I might do the same but to make a MT3 tool holder. About the slitting saw depth of cut, it actually runs smother if its deep, more tooth engaged at once so it doesn't skip tooth to tooth. Much like table sawing thin wood verses resawing. If it squeals and burns the oil then you have lost the staggered tooth profile of the kurf and it's binding. Sharpen or throw away.
 
For two years, the bottom 120 degree hinge on the door of my lazy-susan cabinet has been broken. To get stuff out we (mainly my wife) had to open it and hold the door up with our foot. I had not been able to find a replacement hinge ( but I was not looking very hard). It was a rainy day and I figured out that I could fabricate the broken part. It only took about 4 hours. Door works good now. Kind-of wish I did it sooner.

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Did a "copy and paste" on both acme screws on my Atlas 10 along with new feed nuts. Got the backlash on the compound from .025 down to .008, and the cross feed from .055 down to .001. That's going to make a difference!
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Sent from my SM-T800 using Tapatalk
 
303 stainless stand-offs for a vintage car luggage rack. Good learning experience, especially the polishing to a chrome-like finish. Not perfect, but I'm pretty happy with them.

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This is what they will look like when installed:
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