Search found 1512 matches

by earlgo
Thu Jan 02, 2020 3:03 pm
Forum: General Discussion
Topic: Grinding wheel question
Replies: 12
Views: 2396

Grinding wheel question

The question arose in a conversation with a fellow hobbyist as to what is the reason that a hard wheel is recommended for grinding soft materials and a soft wheel for hard materials. I looked this up in two references dating back to 1913 and the recommendation was the same but the reasoning was not ...
by earlgo
Mon Dec 30, 2019 9:29 am
Forum: The Junk Drawer
Topic: Merry Christmas
Replies: 18
Views: 4098

Re: Merry Christmas

Neanderman: Sorry to hear of your partner's affliction. We will keep your family in our thoughts and prayers.
--earlgo
by earlgo
Sat Dec 21, 2019 10:40 am
Forum: Gunsmithing
Topic: Floating Reamer Holder.
Replies: 2
Views: 1409

Re: Floating Reamer Holder.

When I was at the Colorado School of Trades, we chambered a lot of barrels. That was nearly 50 years ago and I can't remember if we used a floating reamer holder or not. However, having said that, I do own a FRH so I must have gotten the idea somewhere. If you use a steady rest instead of a 4 jaw ch...
by earlgo
Wed Dec 18, 2019 4:59 pm
Forum: Lathes
Topic: 3 jaw chuck
Replies: 29
Views: 7644

Re: 3 jaw chuck

You are correct as usual, Harold. Unfortunately the 5" 3 jaw chuck that came with the Atlas lathe has 1 pc jaws and like the rest of us post 60 year old things, some parts become sloppy and loose. :shock: Had it not been so cold or I so lazy, I woulda/shoulda put on the 6" SHAR chuck and done the ri...
by earlgo
Wed Dec 18, 2019 3:32 pm
Forum: Lathes
Topic: 3 jaw chuck
Replies: 29
Views: 7644

Re: 3 jaw chuck

And speaking of worn out 3 jaw chucks... I used the 3 jaw from the 1958 Atlas to grip a chunk of stock on which I wanted to cut a M12x1.75 thread. Since I couldn't thread it normally, I bought a threading die from the hardware store. It, of course, cut the thread in 1 pass and the resultant torque s...
by earlgo
Mon Dec 16, 2019 11:03 am
Forum: Lathes
Topic: 10" Atlas Trouble Turning Unknown Steel
Replies: 11
Views: 3055

Re: 10" Atlas Trouble Turning Unknown Steel

The Atlas 12" lathe that my dad bought in 1958 was available with up to a 3/4HP motor. If the lathe is bogging down, it is either way underpowered by a replacement motor or, as mentioned, the belts are slipping or the tooling is wrong. My dad apparently was short of cash so he put on a 1/3 HP motor ...
by earlgo
Thu Dec 12, 2019 10:22 pm
Forum: General Discussion
Topic: Identifying an unusual thread: 26 tpi
Replies: 17
Views: 10639

Re: Identifying an unusual thread: 26 tpi

If it were a UN screw it would be a #19. Easily determined by measuring OD, subtracting .060 and then dividing the remainder by .013. So .307-.060 = .247 and .247/.013 = 19 Definitely not a hardware store size. The diameter of a UN screw is equal to (screw number x .013) +.06. So a #10 screw is 10*....
by earlgo
Tue Dec 10, 2019 12:26 pm
Forum: General Discussion
Topic: Delta Milwaukee "Toolmaker" v-belt pulley sizes?
Replies: 14
Views: 4423

Re: Delta Milwaukee "Toolmaker" v-belt pulley sizes?

I finally got the opportunity to watch the Suburban guy do the wheel balancing and trueing thing. He is working with a surface grinder and we have T&C grinders, so don't over think it. I primarily use Norton SG wheels, they are pricey but last quite a bit longer between dressing. Their number is 5SG...
by earlgo
Tue Dec 10, 2019 10:56 am
Forum: General Discussion
Topic: Drill Bit Storage for a Hoarder
Replies: 24
Views: 5585

Re: Drill Bit Storage for a Hoarder

Hah, I am with neanderman. 2 full sets, a small handful of duplicates and a large handful of taper shank bigger drills. Oh and a HF set that still has the retaining pin in the case.
I wouldn't have room in the garage for 9 cabinets, much less be able to populate them.
--earlgo
by earlgo
Wed Dec 04, 2019 2:41 pm
Forum: General Discussion
Topic: Delta Milwaukee "Toolmaker" v-belt pulley sizes?
Replies: 14
Views: 4423

Re: Delta Milwaukee "Toolmaker" v-belt pulley sizes?

WO2P: If you need any further help or pictures, just ask. The spindle taper is 3.00 in/ft so be sure your wheel adapter is the same. Wm SOPKO & Sons Co.,30030 Lakeland Blvd., Wickliffe, OH 44092 is one of the few suppliers that I have found for this wheel adapter. The part number is 24-816 RH or LH ...
by earlgo
Mon Dec 02, 2019 3:14 pm
Forum: General Discussion
Topic: Delta Milwaukee "Toolmaker" v-belt pulley sizes?
Replies: 14
Views: 4423

Re: Delta Milwaukee "Toolmaker" v-belt pulley sizes?

WO2P: Here it is, and the reason I have never tried to adjust anything. Yours is a different situation, though, since you got your toolmaker in a box, in KIT form. :)
Spindle plate.jpg
Spindle Plate
I never looked up Velocite E so I don't know if Velocite 6 is the same, but it works.
--earlgo
by earlgo
Sun Dec 01, 2019 10:24 am
Forum: General Discussion
Topic: Delta Milwaukee "Toolmaker" v-belt pulley sizes?
Replies: 14
Views: 4423

Re: Delta Milwaukee "Toolmaker" v-belt pulley sizes?

WO2P: When I got the machine in the late '80s I used hardware store 3 in 1 and then later changed to hardware store 'Turbine oil'. Then after listening to these astute gentlemen on this board, and reading the manual, I bought Mobile Spindle Oil. Spindle oil.jpg This leaks out constantly, but I am no...