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+--- Thread: 4 inch 4 jaw chuck (/thread-1185.html)
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4 inch 4 jaw chuck - dallen - 02-15-2013
friend of mine gave me a 4 inch four jaw chuck for my 9 inch lathe, and since I don't have a backing plate I figured that I would cast one out of some cast iron, or bearing bronze which I happen to have a bunch of.
So I started a pattern yesterday by cutting up some oak and gluing it together so I could make it round today.
heres the pattern in its first stages.
[attachment=4492]
RE: 4 inch 4 jaw chuck - doubleboost - 02-16-2013
Bronze would look prity
Easier to melt as well
John
RE: 4 inch 4 jaw chuck - dallen - 02-16-2013
been thinking along the Bronze line, I don't have any trouble melting Cast Iron, just not real interested in the mess it makes on the lathe. Anyway depends on how I feel when its time to melt some metal.
DA
RE: 4 inch 4 jaw chuck - doubleboost - 02-16-2013
At least with bronze you will not get any hard bits
I am paying £6 a kilo for scrap bearing bronze
RE: 4 inch 4 jaw chuck - dallen - 02-16-2013
the iron that I've melted all machined nicely with no problems thats not to say that the next batch won't be a bear.
I have to scrounge my bronze and don't have a lot but I have enough of one type to do this with, and besides who else in the neighborhood is going to have a bronze backing plate on their lathe besides me.
RE: 4 inch 4 jaw chuck - doubleboost - 02-16-2013
I would go for the bronze
John
RE: 4 inch 4 jaw chuck - stevec - 02-16-2013
C'mon John, go for the gold. Ooops, am I not on the olympic site?
RE: 4 inch 4 jaw chuck - dallen - 02-17-2013
pattern with a couple coats of rattle can paint and the just added wax fillet, co a couple more coats of paint and I should be ready to pour tomorrow afternoon for sure Tuesday morning but may wait till Wenesday when my coffee drinking buddy shows up.
[attachment=4518]
RE: 4 inch 4 jaw chuck - dallen - 02-18-2013
have the pattern ready to mold up and pour but the winds blowing about 30 MPH so no metal casting today.
RE: 4 inch 4 jaw chuck - dallen - 02-19-2013
poured the backing plate today, whats funny is the metal went in the furnace yellow as gold and came out of the mold looking a lot like copper and the stuff I used was all the same color and not a bit of copper in it. Anyway heres the photo
[attachment=4534]