hammermech
Plastic
- Joined
- Sep 23, 2020
Does anybody have a definitive answer as to what taper the vertical portion this mill uses? Thank you in advance for any information.
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Questions about a Van Norman #2 duplex milling machine
- Thread starter hammermech
- Start date
- Replies 9
- Views 1,289
dalmatiangirl61
Diamond
- Joined
- Jan 31, 2011
- Location
- BFE Nevada/San Marcos Tx
Probably an NMTB 50, but that is not a definitive answer, maybe you can give us some clues by taking some measurements?
I see a brochure on Vintage Machiney for a #2 VN mill, not sure if that is the same as a #2 Duplex.
I see a brochure on Vintage Machiney for a #2 VN mill, not sure if that is the same as a #2 Duplex.
hammermech
Plastic
- Joined
- Sep 23, 2020
I have seen that brochure also, the duplex is very different. It has both vertical and horizontal functions.Without doing any measurements a #3 morse taper is very close. I am thinking about buying this machine but want to find out as much info as possible before wasting money on something I can't get tooling for or adapt current tooling to.
dalmatiangirl61
Diamond
- Joined
- Jan 31, 2011
- Location
- BFE Nevada/San Marcos Tx
Morse taper #3 is very close to a #9 Brown & Sharpe, both are readily available. But it could be something else.
sfriedberg
Diamond
- Joined
- Oct 14, 2010
- Location
- Oregon, USA
Given the age of any VN Duplex, the odds are that it has a B&S spindle taper. It is absolutely the case that VN made a given model of mill with different spindle taper for different customers, so there's no absolute guarantee what that particular machine has based solely on the model number. Measure to be sure.
hammermech
Plastic
- Joined
- Sep 23, 2020
thanks for the info. will do some measuring and get out machinery's handbook!
Paolo_MD
Stainless
- Joined
- Apr 6, 2013
- Location
- Damascus, MD
Both the VN #2 we have at Tuckahoe and one owned by one of our volunteers (both post 1912, as for address cast on the door) have a B&S 13 spindle, with adapters for VN C collets (Hardinge 5V). The adapter might be very difficult to remove.
Paolo
Paolo
johnoder
Diamond
- Joined
- Jul 16, 2004
- Location
- Houston, TX USA
hammermech
Plastic
- Joined
- Sep 23, 2020
thanks to everyone who replied. bought the mill. it has a #3 morse taper adpter in spindle.
texasgeartrain
Titanium
- Joined
- Feb 23, 2016
- Location
- Houston, TX
