Dealing With Butchers...

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Customer brought in a rather large Hyd.Cylinder for us to repair..13" O.D.  90" longThey could not get the end cap off so they beat the bajeebers out of it and ended up splitting the cap and ruining the threads on the cylinder at the same time..  Tube..Old Cap..Notice the welded on "beat it" bar.. Uh huh..Threads on the tube..New threads I had to make..The welding part to the job is next.....zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:OK..There was no way to hold it in the 4 jaw without some help.. So with the help of some 1 1/2" X 3" angle cut off at 4" this is what I came up with..Start by cleaning up the weld area..Attach angle to make a "platform"Tigged Vert. UP..Do the same to the other side..Here is the top weld..And now we have the ultimate way to grab this and spin it..One set of opposite jaws turned around and one set the "normal" way..I'm making the new end cap now..But that will have to wait 'till morning...I get all the fun jobs.....zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Did they attempt to cut it off - the slot near the "beat it" bar ?John -  fabricator extraordinaire, car nut!-  bleeding Miller blue! http://www.weldfabzone.com
Reply:It looked as if they got part way thru it and decided to stop so they could save the threads..Did'nt work.. I would have just heated it up... ...zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Naw! Can't be that easy, go on 'n git the battle hammer!City of L.A. Structural; Manual & Semi-Automatic;"Surely there is a mine for silver, and a place where gold is refined. Iron is taken from the earth, and copper is smelted from ore."Job 28:1,2Lincoln, Miller, Victor & ISV BibleDanny
Reply:And what would it have cost them to take it to a properly equipped hyd shop against what it will cost for you to fix their screwup??                                MikeOl' Stonebreaker  "Experience is the name everyone gives to their mistakes"Hobart G-213 portableMiller 175 migMiller thunderbolt ac/dc stick Victor O/A setupMakita chop saw
Reply:I can not say where or who did this to it...I really have no idea... But a Hydraulic Repair Shop brought this to us...Thats all I'm at liberty to say... ...zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Originally Posted by zapsterOK..There was no way to hold it in the 4 jaw without some help.. So with the help of some 1 1/2" X 3" angle cut off at 4" this is what I came up with..Tigged Vert. UP.....zap!
Reply:Originally Posted by David RAren't the dimes going the wrong way?  Good thinkin and nice work.David
Reply:Well......My last employment, we saw plenty of this...usual thing we did, just heat the end-cap....no worry about the seals...you're gonnareplace them anyway...right?Dougspair
Reply:Originally Posted by dougspairWell......My last employment, we saw plenty of this...usual thing we did, just heat the end-cap....no worry about the seals...you're gonnareplace them anyway...right?
Reply:Finished  it up today..What a pain in the rear!!Its not like I can just pick up the tube and try it in the cap to see if the threads are to size..Careful measurements dont mean crap when making custom threaded parts..So to try it I had to take it out of the machine..Try it on the tube..Only went on by 1/2 thread.. Back in the lathe..True it in..Pick up the thread..Take a few more passes..Try it again..Back in the machine.. Try one more time..Ahhhh 3'rd times a charm..If you think this is easy then think again..It's a very fine line between "It don't fit"To "Now its way too loose"But I won the game.. New cap..Threads are 10.850-12..Threads that took 3 shots at it..But now "GET IT OUT OF HERE!!!!!"   I get all the fun jobs......zap!I am not completely insane..Some parts are missing Professional Driver on a closed course....Do not attempt.Just because I'm a  dumbass don't mean that you can be too.So DON'T try any of this **** l do at home.
Reply:Do they not make a thread gauge that large? It looks like brandy new! John -  fabricator extraordinaire, car nut!-  bleeding Miller blue! http://www.weldfabzone.com
Reply:Do they not make a thread gauge that large?
Reply:Just wait till the next guy orders the factory replacement "cap" and it does not fit!  How many times do you thing they will reorder it till them discover it's custom!Me!
Reply:Originally Posted by Me!Just wait till the next guy orders the factory replacement "cap" and it does not fit!  How many times do you thing they will reorder it till them discover it's custom!
Reply:Originally Posted by lars66ME!, Zap only made the cap . The barrel threads are still original from the mfg. so nothing has changed.
Reply:Originally Posted by Me!Just wait till the next guy orders the factory replacement "cap" and it does not fit!  How many times do you thing they will reorder it till them discover it's custom!
Reply:Nice job Zap. Chasing threads is a real pain. Thanks for sharing. Pics are great.mm135HTP Invertig 201 With water cooler9" Southbend LatheLots of hand tools.