Posted by DoubleO7 on December 02, 2023 at 07:59:14 from (65.32.184.230):
In Reply to: Braze it or weld it? posted by stevieb49829 on December 01, 2023 at 22:19:36:
[quote="CVPost-sms"](quoted from post at 08:39:38 12/02/23) I had a friend that had a welding business repair/weld an irreplaceable water pump for me. He preheated, welded, peened to relieve stress and cooled it very slowly over a day or two. It had spiderweb cracks, he got them all and 20+ years later it still doesn't leak.
I don't know what equipment he used, I probably did at the time.[/quote
My go to welder guy for cast welding or brazing too would preheat in an old oven. Along with a metal box of washed, dry sand at the same time.
Take cast piece out of oven and weld it up.
Then set the cast on top of a bat of fiberglass insulation and cover both with he oven hot sand. Then another bat of insulation.
Sometimes it took three days before you could handle the part with bare hands.
This post was edited by DoubleO7 on 12/02/2023 at 07:59 am.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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