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Bridgeport Model R Head
- Thread starter Brentcook
- Start date
- Replies 11
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JB Bergman
Hot Rolled
- Joined
- Nov 8, 2006
- Location
- Slayden, Mississippi
I believe they were used on the Hardinge TMUM mills.
JB
JB
rke[pler
Diamond
- Joined
- Feb 19, 2002
- Location
- Peralta, NM USA
I'n not saying that you couldn't use an M head on a Hardinge TM/UM, but Bridgeport made the "H" head for the TM/UM (using the 2VB collet in the spindle).
L Vanice
Diamond
- Joined
- Feb 8, 2006
- Location
- Fort Wayne, IN
No, Bridgeport made an H head designed for the Hardinge TM and UM mills. The H head is compact in size (short spindle for max head room) and takes Hardinge 2VB collets. Those collets take up to 1/2" shanks and were first used on the circa 1935 Hardinge Cataract Vertical Bench Miller.
The R head is bigger.
To get enough head room, I have seen M heads mounted with brackets that offset their mount above the center of the Hardinge overarm mount.
Larry
Last edited:
JB Bergman
Hot Rolled
- Joined
- Nov 8, 2006
- Location
- Slayden, Mississippi
Yes, you are correct, my old brain was confused.
JB
JB
Rick Hand
Hot Rolled
- Joined
- Jun 11, 2004
- Location
- Ashland,IL
I have an R head that I am not using. I would sell.
Rick
Rick
Rick Hand
Hot Rolled
- Joined
- Jun 11, 2004
- Location
- Ashland,IL
I’ll get some photos but I don’t know about price.
Rick Hand
Hot Rolled
- Joined
- Jun 11, 2004
- Location
- Ashland,IL
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Rick Hand
Hot Rolled
- Joined
- Jun 11, 2004
- Location
- Ashland,IL
I can’t seem to resize the photos but this one did make through.
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