Hogging Out 303 STAINLESS / Horizontal Boring Bar Components / Part 1 - MSFN
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- Опубліковано 30 вер 2024
- Machining 303 Stainless For a Customer Job. Making Horizontal Boring Bar Components for an electrician needing to run conduit under cement/concrete. Heavy stock removal and practicing my chip control on the Atlas 12” Commercial Lathe. Lots of machining and my thought process to complete the job…hope you enjoy!
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Machining 303 Stainless For a Customer Job. Making Horizontal Boring Bar Components for an electrician needing to run conduit under cement/concrete.…hope you enjoy!
Support:
Please Consider Supporting MSFN To Help Pay For Supplies Needed For Future Video Projects, Even a Small Donation Goes a Long Way!
www.paypal.me/MSFN (Paypal Only)
goo.gl/1nmBdi (Paypal, Credit/Debit Card)
Happy as a hog and proud as a peacock .....
I will take that as a compliment good sir 😊
Well there was more TALK than CHATTER
Yep, my success rate on pleasing everyone is close to 0%, but wurkin on it 😊
Thus speaks a married man with family
I would have left the original part threaded.. Since there are being used on an impact hammer. My bet will be that the sleeve crushes and either comes loose or wedges itself into the part. You'll end up machining the part out.. With the threads, if they get screwed up the plumber can retap.
They are using threaded conduit for extending these to length so I think the risk of failure is about equal on both components, mine and theirs. Time will tell of course and appreciate your view on the project
could you have put the bushing all the way in and used a roll pin to hold it in? the threaded piece probably only goes in a little more than half way.
I wasnt sure how far the threaded pipe was going in so refrained from a roll pin but thought about that honestly, at least with set screws it could be backed out some if the pipe extension thread bottoms out. Great observation!
Great part 1 Richard, I love SS but it can be a p.i.t.a sometimes. Looks like everything is working out so far and I am ready for part 2☺. Thanks for the video and keep them coming.
Thanks Steve, I was pretty pleased with the stainless results....editing part 2 right now. Always a pleasure to see you drop in!
Make yeself a better drillpress! Make somethin' outta that nothin' of a drillpress! Don't pimp the drillpress, MSFN it!
I really should, that thing is a mess! LOL
I believe it's a type of thrust bore/mole . I worked in the public gas industry for 20 odd years using this type of tool .
Great to know...a learning experience for me for sure! I appreciate ya sharing that
I've worked where these under sidewalk boring heads were made before and they were made from alloy 17-4
Cool, I never heard of them before. The customer told me to make it from stainless. I discussed making it of tool steel and heat treating them since I have a forge but it got too pricey
Alloy 17-4, sounds like good stuff...thanks for sharing MD www.specialtysteelsupply.com/17-4ph-stainless-steel.php
Stainless steel doesnt like hss tools too much,but he likes low rpm and high feed rates with plenty of cooling liquid.Also for good finish you need to take heavy depth of cut.I seen mirror finish on stainless on lathe.If you are doing something precise with micrometer watch for heat stainless steels are mostly bitch that warps easy.
Have fun !
Thanks Zumba, nothing about these components are "precise dimensions" They will be trashed as soon as they are put into service in the field. This is my first serious stainless job and had a good time experimenting with speeds & feeds...its tuff stuff but the Atlas Lathe held its own...was a fun project!
I need to devise a coolant system to this lathe, heat was a problem I had to deal with...a learning experience 4 sure!
www.banggood.com/Mist-Coolant-Mist-Lubrication-System-Unit-For-CNC-Lathe-Milling-Drill-Machine-p-979642.html?rmmds=search
try that if you have compressed air,or buy it just for hose and connect a 12V pump(or some other) to it and use large plastic bucket as a tank-mount pump on it and make it portable,anyway its only 7$(maybe like 5$ on ebay).You could buy some strong neodymium magnets and make it magnetic based.
www.ebay.com/itm/1100-GPH-12V-Rule-Marine-Boat-Bilge-Water-Pump-Submersible-for-Yacht-RV-SPA-Pool-/371907603961?hash=item56976badf9:g:AWwAAOSwsW9Y3iXm&vxp=mtr -this might work since its for dirty water ,just dont know how much pressure it pumps,but anyway you dont want crazy psi on lathe coolant device anyway.
Thanks Zumba, I didnt know they sold those...gonna pick one up and give it a try 👍🏼
Great video, thank's for posting. Next time I would face off the 1/2 inch coupling and turn it around, then lock it in. I've had pipes that have not been threaded far enough and that makes them slightly large. If you combine that with a few threads off of the coupling it could hard to thread far enough on. Just my 2 cents.
Thanks for watching Andy, suggestions are always welcome here, part 2 of the series is out if interested 😊
2 cents is better than no sense!
Or he can always retap the coupling to NPT standard he may have just caused himself a bit more work,but still savable. Good job by the way!
If you're turning the threaded insert down, you'll need to supply the customer with at least one set of backups. Its a clever way around damaged threads, but they wont be able to turn down a replacement insert in the field.
Charging them for them of course. Lol
Of course! 😊
Add ons....I like it! 👍🏼
What kind of material should be used in horizontal boring machines tool Bari center to center
Great video Rich. Question, does the set screw go to a dimple in the insert of all the way through? Thanks for sharing.
Joe
All the way thru Joe, they can be adjusted according to how deep their pipe threads extend inside. He is bringing a sample tomorrow and I can set them (setscrews) in place with Loctite based on their pipe thread length/depth
Pretty dam cool sir. I can't wait to get myself a lathe.
Lathes are awesome....you need to get ya three 😊
But can you make a milling machine from/with a lathe? :D
Got your email but I already watched you complete that project. Nice work. I had virtually the same lathe as you except mine was an Atlas which I think made Sears also. I used mine for gunsmithing. Rebarreled mausers, Enfields, Remington 700 etc.fashioned own chambering reamers for various calibres and wildcats. That was years ago but when I watched you, it brought back the flavor of cutting oils and curly chips.
They have their limitations but are great lathes, thanks for watching!
Nice idea on the replaceable thread inserts.
Thanks Brian, I appreciate you dropping by. How did the corn harvest go this year?
Still too high moisture so I haven't harvested yet.
is that eatin corn you grow or feed corn Brian?, I dont recall if you mentioned that in your video. Looked like a nice crop regardless of the type
Huh, amazing point for the thread dying. I would've just machined in the thread like a moron. I'll need to think about incorporating thread-inserts on any future projects I design hmmm.
New sleeve is cheap, new part not so much. Thanks for watching :)
Good to see you. It has been a bit.Chips look great. I love working quality material. Stainless can be tricky. I use lots of Rapid Tap. It has never let me down.3 set screws is always better my friend. That sure is a nice little lathe. I am used to a far larger machine but I would have loved to have this one in the shop.On this one being hammered on Red Loctite would be a lot better. You need to heat it more to get it apart but it gives a vicious grip.Great looking pieces bud, I am sure they will work well. I really like the serviceability to change out the driver sleeves.
Thanks Dean, I am always open to ideas from persons more experienced than myself. The sleeves only cost $1.45 so feel its a cheaper option than machining new stainless parts...time will tell but I think they will work well as consumables to preserve the component. Thanks for watching and your feedback...part 2 out soon 😊
Nice work and think about using the Red more. If you don't want it to move it won't. Mapp gas heat will break it so it can be easily done in the field. I was shy about it until I put my foot in the water and found it great. You are just not releasing that stuff by hand cold. Great machining my friend.
I will pick up some red, a particular # you are fond of? Part 2 out tomorrow...some good footage I captured, hope you enjoy 😊
No prefered # Just Red in the same type container. All of them work best under pressure. I will be waiting on the bell my friend.
Looking good Richard! Good call on the design improvement--I'm sure the customer will appreciate it.
Thanks Rick, that was my 1st major project with stainless
I was impressed by your results when you upped the feed rate. I'm going to give that a try in the future.
It woulda been a long day if I was pulling long stringy chips so decided this was the time to practice with speeds, feeds and depth of cut. I was happy with the easily managed chips. The fatter chips break rather than come off in a continuous chip, give it a try!
Time to binge watch some videos. They all look interesting.
Thanks Huntsman, I am not a 40 year machinist but doing my best with the limited grey matter I got! LOL
nice work!
Thanks friend! Part 2 is out now if there is interest!