bradjacob
Titanium
- Joined
- Nov 18, 2008
- Location
- Easton, PA
Does anyone know what the "H" at these indexers designates? Can't find a single thing on Google...
Thanks in advance!
Thanks in advance!
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Does anyone know what the "H" at these indexers designates? Can't find a single thing on Google...
Thanks in advance!
HV-4N has a flush nose. HV-4NH has a threaded nose. HV-4NX has a 4 degree taper nose. All are vertical/horizontal capable. The threaded and 4 degree taper nose versions take the corresponding Hardinge lathe accessories.
H-4 is horizontal only with a flush nose.
Hardinge Collet Index Fixtures.
Hi Larry - thanks for clarifying. But what is the H for in this one?View attachment 339377
I have 15 of the Hardinge HV indexers. None have markings that look like yours, though there are some slight variations in the order in which the information is stamped on the top lines of mine. On mine, the top line always contains the words 5C, Model and the actual model number, The lower two lines are Hardinge Brothers Inc. over Elmira, .NY. U.S.A. Here are two typical examples.
View attachment 339384 View attachment 339385
So you have a strange example and I have no idea why it has those markings.
By the way, the HV-0 and H-0 indexers were sold with 20 hole plates. The HV-4 and H-4 have 24 holes. Hardinge sold separate plates for both models with no holes or with any number of holes that could fit on the plate.
Larry
Got some news - before I posted this thread, I called and left a message at Hardinge (thinking it would be forgotten) - and someone called me back. They actually did a little research and told me this interesting news:
At some point, the indexers were outsourced to some other third party manufacturer. Then, Hardinge took back the manufacturing, in house.
So the "H" literally, stands for (made by) Hardinge
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