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Thread: Lathe Chucks
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29th Sep 2018, 10:05 AM #1Most Valued Member
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Lathe Chucks
The H&F AL960 Lathe comes with a 160mm 3 jaw and 200mm 4 jaw.
Why does it not come with say both 200 3 jaw and 200 4 jaw..doesnt a 200 3 jaw suit for some reason?
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29th Sep 2018, 10:35 AM #2Member: Blue and white apron brigade
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29th Sep 2018, 03:06 PM #3Philomath in training
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I also think it is because a 4 jaw is easy to turn the jaws around in, so it is not run with much stick out but users will run a 3 jaw with jaws way out - stops hitting things?
Michael
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2nd Oct 2018, 10:42 PM #4Most Valued Member
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Also smaller diameter chucks have higher speed ratings, the construction material being the same. 4 jaw chucks are usually holding something big/chunky and run slower.
I rarely use a 3 jaw chuck personally, don't have much use for them. Rather use a collet chuck for round bar up to 1-1/2" or a precision 4 jaw for bigger stuff/non-round work.
PDW
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2nd Oct 2018, 11:39 PM #5Most Valued Member
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Ditto, I only use a 3 jaw for holding hex and I don't like changing chucks.
I have started using one of these straight shank er40 collet chucks for holding small stuff, works well in the 4 jaw and only
takes a few seconds to dial it in.
https://www.ebay.com.au/itm/Precisio...AAAOSwpLNX-OE7
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