Bridgeport horizontal milling arbor

R

ronlyke

Cast Iron

Joined

Aug 24, 2008

Location

Queensbury, NY

• Jan 12, 2018

• #1

Regarding the horizontal milling arbor, driven by the right angle attachment, and supported by the support that clamps to the ram dovetail: Is this a generic arbor, or something unique to this setup? Does it have an R8 shank, or a straight shank which is mounted in a collet?
If generic, what do I look for?

Thanks
Ron

 

A

acme thread

Stainless

Joined

Feb 1, 2007

Location

aurora ohio

• Jan 12, 2018

• #2

View attachment 217565 These are what your looking for,but sadly not for sale Dave [acme thread] The right side is an R-8 collet size, The other side fits into a brass collet in the arbor support. I think this is an older style. You may want to check with {SMALL TOOLS] in Cleveland oh. They may have some used ones. These are all marked BRIDGEPORT on the collet side.

 

M

Monarchist

Diamond

Joined

Oct 2, 2012

Location

Sol, Terra

• Jan 12, 2018

• #3

ronlyke said:

...what do I look for?

Click to expand...

Dave has told you where to look for the components.

The other thing you need to "look for" is seriously undemanding cutting with a seriously light touch and a VERY high "pucker factor" to intercept trouble before it tears the living shit out of everything.

Not Bee Pee specific, but, WHEN you add the R/A head to an already too-many-degrees of possible movement vertical mill, you are skating on thin ice.

The native horizontal mills such arbours were born on have waay more rigidity, and you'll be hard-pressed to get to even a fraction of that "goodness".

Be careful if you go this route. VERY careful.

 

A

acme thread

Stainless

Joined

Feb 1, 2007

Location

aurora ohio

• Jan 12, 2018

• #4

The above mentioned pucker factor , Will be compounded when you see what these arbors sell for, I've got four different sizes, That means none of the cutters interchange.
Dave [acme thread]

 

R

ronlyke

Cast Iron

Joined

Aug 24, 2008

Location

Queensbury, NY

• Jan 12, 2018

• #5

OK, got it. Thanks for the heads up, guys. I have the rt angle attachment; I won't look for the support or arbor.

 

M

Monarchist

Diamond

Joined

Oct 2, 2012

Location

Sol, Terra

• Jan 12, 2018

• #6

ronlyke said:

OK, got it. Thanks for the heads up, guys. I have the rt angle attachment; I won't look for the support or arbor.

Click to expand...

Probably handiest for getting at odd parts with endmills or drills.

If you NEED the whole-hog of horizontal capability, refurbing a Nichols or Diamond with sliding head, ELSE a Hardinge, Burke, or any of several similar is not terribly costly to do, nor to tool up. My Burke is on casters and takes up not a lot more space than a 5-drawer file cabinet.

Most of that lot will haul far larger endmills than a Birdport can do as well as use larger face, shell, and all other milling cutters better. Waay more rigid, plus more serious spindle power-transfer (#9 B&S, most commonly).

2CW

 

D

davehud

Cast Iron

Joined

Dec 17, 2004

Location

San Antonio, Texas

• Jan 12, 2018

• #7

Yikes! Looks a little shaky.

 

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M

Monarchist

Diamond

Joined

Oct 2, 2012

Location

Sol, Terra

• Jan 12, 2018

• #8

davehud said:

Yikes! Looks a little shaky.

Click to expand...

Its only a Bridgeport. An add-on head for milling machines that growed itself an arse of its own devising.

They are SUPPOSED to be shakey! Prolly even hold a patent on that.

 

R

ronlyke

Cast Iron

Joined

Aug 24, 2008

Location

Queensbury, NY

• Jan 13, 2018

• #9

Monarchist said:

Probably handiest for getting at odd parts with endmills or drills.


Thanks---that's really why I bought it. Just curious about the other stuff.

Click to expand...