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small build-up job I did today with Ni-rod

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发表于 2021-9-1 00:31:37 | 显示全部楼层 |阅读模式
Its a cylinder end for a pretty large hydraulic cylinder. I have no idea what type of cylinder or what is used on. I came in this morning and it was on my table at work.Pre- heat to above 350 degrees F As you can see it's pretty worn out, in spots After welding, 2 passes. The piece was so hot, in order to pull the inpurities out, my welds don't look the best. So give me a break on the way my welds look. oops, found a crack.  grind it out and weld it upall finished
Reply:Looks like it was pretty hot.  Nice job.DavidReal world weldin.  When I grow up I want to be a tig weldor.
Reply:That does not look like an easy job to have to do. I assume you send it over to a machinist to turn the surface inside afterwards? After it cools down for a day??!! Question for you, when you weld something like that, do you see much distortion? If so, how do you minimize it? Thank you for sharing the pictures.
Reply:I recently had to repair some cast parts with ni-rod.  But I ran out in the middle of the job so I picked up a pound (36 rods of 1/8th") for 58 bucks.  We had to update our price per rod (from 2 years ago) from 1.25 to 2.00 a piece.Common sense in an uncommon degree is what the world calls wisdom.
Reply:Very nice job on that repair.  I need to repair some cast but it's not structural in any way -- large "ladder collar" for a street lamp that apparently a garbage truck hit and cracked it right in half (in the old days they'd lean a ladder up against it to light the gas street lamps -- in modern day it just sits up there so modern folk can wonder what it's for  ).  I'm going to try some 309L I have laying around just to stick it back together.58 bucks a pound for nickel?! Ain't gonna happen. Thanks for posting those pics.  If you have any of the final machining, that would be cool to see too.
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