Damaged Jointer I might buy. - Page 2 - Woodworking Talk - Woodworkers Forum
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post #21 of 31 Old 05-09-2019, 11:52 PM
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You can't beat that with a stick. You did much better than good.
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post #22 of 31 Old 05-10-2019, 12:44 AM
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Drool!
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post #23 of 31 Old 05-10-2019, 03:48 PM
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Keep tract of what you paid for it. Powermatic really holds it value. You could use the jointer for 20 years and probably sell it for more than you paid for it.
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post #24 of 31 Old 05-10-2019, 04:23 PM Thread Starter
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Originally Posted by Steve Neul View Post
Keep tract of what you paid for it. Powermatic really holds it value. You could use the jointer for 20 years and probably sell it for more than you paid for it.
I paid $600, knowing what you said is the reason I didn't mind spend a little more than I wanted too.

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post #25 of 31 Old 05-11-2019, 09:21 PM
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Another type of weld?

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Originally Posted by woodnthings View Post
There are 3 types of welding you can use on cast iron in addition to brazing. If you are curious, watch these videos on You Tube:


https://www.youtube.com/results?sear...zing+cast+iron


I've only done brazing,not welding but in each one the pre heat and post heat helps to prevent the radical temperature swings which may cause cracking. Small hole is drilled at either end of the crack to prevent the crack from extending. In the case of a clean separation like on a broken part, the piece must be supported and leveled out as close as possible to original OR there will be machining involved IF it was a machined surface originally. There would be machining involved on the broken fence, probably surface grinding, not only to smooth the weld, but to straighten out any warping that the welding caused.



I don't know if the CA glue process Rich recommeded would work in this case, but it may be a first step before welding and would be easier and cheaper, IF we haven't thrown cold water on the purchase by now......
You mentioned 3 types of welding for cast iron. I think there may be another.

JB Weld.

And, yes, I am saying this tongue in cheek.
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post #26 of 31 Old 05-12-2019, 01:40 AM
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You mentioned 3 types of welding for cast iron. I think there may be another.

JB Weld.

And, yes, I am saying this tongue in cheek.
And yes, it might work especially if the break is clean and not bent.

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post #27 of 31 Old 05-12-2019, 11:12 AM
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Buy once...cry once. Now you have a real jointer. All the best of luck with it.

That Delta was maybe worth $50, as a parts source to keep another one in good condition working longer. The new Delta Tools company has almost no spare parts for older machines, so a replacement fence is very likely not be available for it. It maybe could be welded, but very likely would not be straight afterward and would then need to be ground flat again. I usually weld cast iron with a high nickle content rod, but even then it is a total crap shoot as it might crack right next to the weld, even if pre and post heat treatment are used. You should never epoxy anything that you might need to weld later. It is old enough that it likely sold new for what they are asking. In my opinion, they can make a boat anchor out of it.

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post #28 of 31 Old 05-12-2019, 11:29 AM
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Buy once...cry once. Now you have a real jointer. All the best of luck with it.

That Delta was maybe worth $50, as a parts source to keep another one in good condition working longer. The new Delta Tools company has almost no spare parts for older machines, so a replacement fence is very likely not be available for it. It maybe could be welded, but very likely would not be straight afterward and would then need to be ground flat again. I usually weld cast iron with a high nickle content rod, but even then it is a total crap shoot as it might crack right next to the weld, even if pre and post heat treatment are used. You should never epoxy anything that you might need to weld later. It is old enough that it likely sold new for what they are asking. In my opinion, they can make a boat anchor out of it.

Charley
Good to hear an actual antidote on the perils of welding cast iron by someone that has obviously been down that road more than once or twice.
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post #29 of 31 Old 05-12-2019, 01:59 PM Thread Starter
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Buy once...cry once. Now you have a real jointer. All the best of luck with it.



That Delta was maybe worth $50, as a parts source to keep another one in good condition working longer. The new Delta Tools company has almost no spare parts for older machines, so a replacement fence is very likely not be available for it. It maybe could be welded, but very likely would not be straight afterward and would then need to be ground flat again. I usually weld cast iron with a high nickle content rod, but even then it is a total crap shoot as it might crack right next to the weld, even if pre and post heat treatment are used. You should never epoxy anything that you might need to weld later. It is old enough that it likely sold new for what they are asking. In my opinion, they can make a boat anchor out of it.



Charley
I've welded some cast and it wasn't pretty, if I bought the Delta I would have had to found a replacement fence. Glad I passed and bought the Powermatic.

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post #30 of 31 Old 05-12-2019, 03:22 PM
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Barring inferior metal in the fence I could have welded the fence together with a nickel rod. I would have clamped both pieces to a steel I-beam to weld and left it clamped until it completely cooled. Cast is just fickled to electric weld. Sometimes it works and sometimes the metal has so much impurities in it that it burns up instead of welding. You just don't know until you start how it's going to do. Brazing is a just a lot safer. It will work even if the metal is bad.
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post #31 of 31 Old 05-12-2019, 04:30 PM
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In my opinion, they can make a boat anchor out of it.

Charley
Not likely as it would drag in a good wind. LOL
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