Dustywbradberry
Plastic
- Joined
- Sep 29, 2017
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16" south bend crossfeed screw
- Thread starter Dustywbradberry
- Start date
- Replies 10
- Views 2,991
johnoder
Diamond
- Joined
- Jul 16, 2004
- Location
- Houston, TX USA
Assuming use of ordinary PC...
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Sounds like you have the near-to-you half of a telescoping screw used with taper attachment
Dustywbradberry
Plastic
- Joined
- Sep 29, 2017
I was using a phone but figured it out. Thanks
Erich
Hot Rolled
- Joined
- Apr 4, 2017
- Location
- Poway, CA (from Location field)
Do you have a taper attachment? If so the feed screw comes in two parts. The piece you have and the threaded end.
So search for a cross feed screw for a lathe with taper attachment.
So search for a cross feed screw for a lathe with taper attachment.
iwananew10K
Diamond
- Joined
- Sep 12, 2010
- Location
- moscow,ohio
That appears to be the end of a taper attachment cross feed.
Does the gear have a hole with a key?
Do you have a taper attachment?
Does the gear have a hole with a key?
Do you have a taper attachment?
Dustywbradberry
Plastic
- Joined
- Sep 29, 2017
I don't have the taper attachment. The lathe was missing a few parts when I got it. Can it be put back together without the taper attachment? Yes it does have a keyway
johnoder
Diamond
- Joined
- Jul 16, 2004
- Location
- Houston, TX USA
With a solid screw. T/A screw has the thrust bearings back there with taper attach. Another way of saying, no, you won't have cross feed thrust bearing trying to use telescoping parts
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Dustywbradberry
Plastic
- Joined
- Sep 29, 2017
So your saying I will just need a solid screw without the taper attachment?
iwananew10K
Diamond
- Joined
- Sep 12, 2010
- Location
- moscow,ohio
Easy fix is buy a piece of acme stock in the size you need(5/8" or 11/16"?)
Turn down the end to a tight sliding fit, loctite in place and then pin it.
Use a removable locktite in case you ever get a taper attachment.
Turn down the end to a tight sliding fit, loctite in place and then pin it.
Use a removable locktite in case you ever get a taper attachment.
texasgeartrain
Titanium
- Joined
- Feb 23, 2016
- Location
- Houston, TX
Your part is for a taper attachment. If you don't intend on installing one, yes you would need a one piece, solid one. It should be in the area of 22.5" long. My 16's use 11/16 x 8 LH thread. A gear is a part of the one piece. With 11/16 the dial should be marked from 0 to 120. Not sure if 5/8" reads to 120 on dial, or what the tpi is.
It should look like this in this listing though crossfeed nut is hand turned on this one:
16”. south bend lathe large dial leadscrew Lot#12 | eBay
The problem with ebay used crossfeed screws is you dont know how wore it is, and the cost is in the area of what a new one should be. I would call these guys in this link to see if they can make you a new one:
Products – Miller Machine and Fabrication
Dustywbradberry
Plastic
- Joined
- Sep 29, 2017
Ok, thanks for the help guys!