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Forum topic by Nubsnstubs posted 188 days ago 362 views 0 times favorited 6 replies Add to Favorites Watch
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Nubsnstubs

94 posts in 326 days


188 days ago

I have a question for the machine guru’s. At what swing does a 1” spindle become too wimpy to handle a larger piece? I’m asking because I have an extra headstock from a 46-450 lathe and would like to build it up to at least a 16” swing…. Would the 1” spindle handle it?............ Jerry (in Tucson)

-- jerry (in Tucson)


6 replies so far

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Wildwood

950 posts in 731 days


#1 posted 188 days ago

Guess many of today’s message board guru’s would say no!

Remember folks adding riser blocks to headstock on their old spindle lathes that came with 1” x 8 TPI spindles.

Guess depends upon whether modifying tool rest base & tailstock worth the effort. Only question would have,” will bearings installed in 46-450 headstock handle the job?”

-- Bill

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Nubsnstubs

94 posts in 326 days


#2 posted 188 days ago

The bearings will be changed to tapered roller bearings when the time comes at a cost of about 10 bucks each. The tailstock and tool rests will also be changed to fit. I have a welder friend that lets me use his mill and lathe at no charge, plus he let’s me rummage through his waste metal for what ever I need at no charge. Gasoline getting to and from his shop is my only expense. Since I’m retired, my time is not worth anything, so I’m ahead…....... Jerry (in Tucson)

-- jerry (in Tucson)

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Wildwood

950 posts in 731 days


#3 posted 187 days ago

Jerry sounds like a plan go for it!

-- Bill

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JamesVavra

286 posts in 1912 days


#4 posted 187 days ago

I don’t see why not. My Jet 1442 has a 1” spindle and 14” swing and has no problem with large, out of balance blanks. 16” is where most manufacturers step up to 1.25” spindles, but I think that you can still get away with 1” at that size.

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REO

577 posts in 670 days


#5 posted 187 days ago

The diameter doesn’t make nearly as much difference as the length of the piece

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Nubsnstubs

94 posts in 326 days


#6 posted 187 days ago

Thanks for the replies, Guys…. My goal is to turn larger off center stuff, like wall hangings rather than larger and deeper. A 12” swing limits any natural shaped item to about 9” wide, and that’s the reason for wanting to upgrade the swing…. Tonight I’ll post a picture of what I’m doing so you’ll get a better idea of what my goal is. ..........Jerry (in Tucson)

-- jerry (in Tucson)

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