And this afternoon, I am terminated from my employment. Open and shut retaliation. And of course the company waited until the rep is on vacation to pull this shit. Im going to drive a couple hours out to a friend's house just to get intona better heads pace. This ongoing workplace harassment has given me anxiety all weekend and today did not help.

Working on boring out this hole to 7.5", need to insert the tool holder on the end like this on my boring head. Last time I did this part, I just ran the tool in reverse and took light cuts. This time the entire head unscrews any time I touch material. Do I need a LH insert holder to run the tool out like this now?

Got this old Szim lathe I'm working with at a new shop and in trying to identify what style of spindle nose this is. It looks like a typical short taper except the threaded holes are on the chuck/adapter plate instead of on the spindle nose. Haven't seen this style before and I'd like to have a name that will let me look for more adapter plates/chucks designed for this spindle nose.

Looks like a type A2-8 short taper except the holes on the spindle nose aren't tapped. It's got this weird slotted bolt hole pattern on the back that rotates into place to secure the bolt heads while the bolts actually thread into the back of the chuck or adapter plate.

Thanks in advance.

So as the title says, I've been a welder for 15 years, and now I've been hired into a machinist position, but I'm running the machine shop in this business. I've done machining work related to the welding I've done, sometimes even working as a machinist when the welding work slows down. My last job was 90% machinist work with 10% welding repair.

Now I'm expected to be a full machinist and run a whole machine section (2 lathes, 2 mills, and an entire wall of disorganized tooling) by myself. To the point where I'm the only guy in the shop that can figure out how to set a power feed on a lathe or mill. It's a little overwhelming tbh. But I'm struggling through.

Today's challenge: drill and bore a hole through 10.5 inches of 1018.

What I've done:

chucked up the material in the 3 jaw on the lathe

beat around the stock until it was running mostly true (as far as can be read with a dial indicator on mill scale)

Center drilled with 3/8 center drill (only center drill available)

Proceeded to drill through with 9/16 because that's the only drill we had that was long enough

My problem now:

When the drill popped out the other side, I can see through my spindle it's maybe 1/8 off center. Definitely wobble as seen from the back of the spindle.

How can I correct the straightness of my hole? The plan was to step up to 1 inch then 2 inch drills to be able to fit in the big boring bar, but i don't want the bigger drills to follow the pilot off center. Does it matter? Can I just feed the bigger bits slower and the problem will self correct?

Edit: Success! Flipped it around and started a couple inches with a stubby 3/4, then I got an extremely stout 1 3/4 to redrill the hole nice and straight. Once the first couple inches were started it was rigid enough to follow its own hole all the way back through.