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wierdscience
01-31-2012, 09:03 PM
Made up an Excavator boom cross tube yesterday afternoon.8x4 heavy wall mechanical tube 21-1/2" long.Trued the OD to 7-7/8",thru- bored the ID to 4.1" recessed bored each end to 115.2mm x77mm deep.Recessed and chamfered each end on the OD to accept the outer O-ring dirt seals

Drilled,counter-bored and tapped the zerk holes,deburred those,heaved it over on to the press and pushed them in.0025" interference and 271 Loctite just for fun.

4 hours 45 minutes including mucking around looking for the chip breaker for my boring bar after it landed in the chip pan under the lathe.

Troubling part is it only weighs 220 odd lbs and I dam near broke a sweat boosting it into the press,must be gettin over the hill:o

http://img.photobucket.com/albums/0903/wierdscience/DSCF0002-19.jpg

MotorradMike
01-31-2012, 09:24 PM
I made 4 of those yesterday.
Here's a tip: Wear leather gloves and you can carry one in each hand.


NOT

Nice work, you must have a honkin' big lathe!

Willy
01-31-2012, 10:22 PM
Hell, you'll know when you're over the hill...you'll spend 4 hr 45 min. looking for that chip breaker, never mind the nap and pee break.:D

Nice job WS, you definitely weren't slacking off yesterday afternoon in order to get that out by supper time.

I gotta ask, what's the composition of the bushing?

Now if they made round column mills with that puppy for the column you'd have one solid little unit.:D

gcude
01-31-2012, 10:46 PM
Here's another tip:

If you grunt real loud when you begin to lift and heave the part, everybody around will think you are in a strain and putting in max effort ... even if you ain't.

Nah, they still won't bother to help, but they might be impressed that an old fart like you still has the piss and vinegar to try and throw his back out on a daily basis.

Nice work. Make a habit of it. ;)

wierdscience
01-31-2012, 11:02 PM
Lathe is a 24x120 running 20hp,it pretty much walks through this kind of stuff,not a machine you want to single point 1/4-28 on though:)

Bushings,dunno,customer supplied OEM parts Hitachi/Deere in origin.Probably something like 8620 heat treated to around 55-58rc,done some that way before and they seem to equal performance.

Got a bigger one to build next week 11" OD x 28" long:)

Okay,gloves-check,loud grunts-check,maybe add in a hard hat,some ear plugs and a Hi-vis vest for good measure?:D

CCWKen
01-31-2012, 11:26 PM
Aw shucks, I know better. You were probably slinging' that thing around while wearing your sandals.

Man, lately I been having trouble holding up my DA sander. Can't imagine toting that around. :eek:

wierdscience
02-01-2012, 09:17 AM
Aw shucks, I know better. You were probably slinging' that thing around while wearing your sandals.

Man, lately I been having trouble holding up my DA sander. Can't imagine toting that around. :eek:

Oh,I never wear sandals,welding BB's between the toes is not my idea of fun:D

This next bigger one will require me to finally install a hoist over that lathe,the one I have been meaning to install for five years now:rolleyes:

EVguru
02-01-2012, 10:29 AM
You know you're getting over the hill when you can no longer get over the hill!

"What does my body know about the future that it thinks ear and nose hair are going to be important?"
Billy Connoly.

BigMike782
02-01-2012, 11:15 AM
Now THAT is some bushing!

My back and knees remind me every day of the B-RB Chrysler blocks I would heft around by myself 20 yrs ago.....help? who needs help?....now I do:)

John Stevenson
02-01-2012, 11:30 AM
This next bigger one will require me to finally install a hoist over that lathe,the one I have been meaning to install for five years now:rolleyes:

Had the exact same thought the other day after getting a rotor 13" diameter and 36" long into the lathe the other day.
Still mulling over where to fit it, how to make it without it getting in the way.

Need to go online tonight and see if I get get a good deal on a job lot of grunts :D

wierdscience
02-01-2012, 01:34 PM
Had the exact same thought the other day after getting a rotor 13" diameter and 36" long into the lathe the other day.
Still mulling over where to fit it, how to make it without it getting in the way.

Need to go online tonight and see if I get get a good deal on a job lot of grunts :D

Well it is the procrstinators motto-"Why do today what can best be put off until next week":D

KIMFAB
02-01-2012, 03:05 PM
No, I think it is something like "Why put off till tomorrow something that can be farted off altogether."

Here was my last backbreaker.

http://www.kimfab.com/services/turngen.jpg

Rotor from a 35 KW generator. The 11" Logan wasn't too happy, Didn't have the DSG yet.

The Artful Bodger
02-01-2012, 04:32 PM
Need to go online tonight and see if I get get a good deal on a job lot of grunts :D


Woman's tennis!;)

studentjim
02-02-2012, 09:38 AM
Had the exact same thought the other day after getting a rotor 13" diameter and 36" long into the lathe the other day.
Still mulling over where to fit it, how to make it without it getting in the way.

Need to go online tonight and see if I get get a good deal on a job lot of grunts :D

Go to a zoo and get some grunts from a constipated gorilla.