Brown & sharpe machine

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Fr55888
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Re: Brown & sharpe machine

Post by Fr55888 »

Another picture to sée thé other side
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Bill Shields
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Re: Brown & sharpe machine

Post by Bill Shields »

I would look elsewhere.

You are going to need a working Mill to make the parts necessary to get this running.

where mount the motor? How control speed?

How are tools held? -> is it a common tool holding method still used today?

and once you do get it running -> what do you have?
Too many things going on to bother listing them.
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NP317
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Re: Brown & sharpe machine

Post by NP317 »

I tend to agree with Bill that this mill is not a good "starter" unit for you.

If you are seeking a machine rebuilding project, this B&S could qualify:
If that is the main spindle lying on the table, you might have much work just to get it re-installed. and working properly.
Are the bearings good? If not, are replacement bearings available?
And the table size and motion looks too small for much of the milling I have done own my locomotives.

Just my thoughts.
RussN
Fr55888
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Re: Brown & sharpe machine

Post by Fr55888 »

It s only 200€ and i have some rempairing expérience i m a bite Lost. No body have an Idea of thé model ref?
jcfx
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Re: Brown & sharpe machine

Post by jcfx »

Take a look here -
http://vintagemachinery.org/mfgindex/de ... 2185&tab=3
there are many brown and sharpe publications listed there from 1882 to 1992, I looked thru some catalogs
and B&S mainly produced large horizonal milling machines, the pictures you posted of the machine
don't come close to the few vertical milling machines they made.

Whatever it is, it's not a milling machine, save your money, look elsewhere if you really want a milling machine.
Fr55888
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Joined: Mon May 01, 2023 6:17 pm

Re: Brown & sharpe machine

Post by Fr55888 »

Hi thanks a lot for thé link i checked ALL thé documents and i didnt find it but i m quite Shure that it IS a Small milling machine. Now still lost
Fr55888
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Re: Brown & sharpe machine

Post by Fr55888 »

Spindle type
Fr55888
Posts: 17
Joined: Mon May 01, 2023 6:17 pm

Re: Brown & sharpe machine

Post by Fr55888 »

Hi guys sorry to Come black on this post a gain. I understand that no one has an Idea of this machine ref. But AT leadt Can some one tell me jow to install thé motor on thé top. I have 2 motors but i think that some part of thé equipiare missing si i m completly Lost.
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Bill Shields
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Re: Brown & sharpe machine

Post by Bill Shields »

This looks like it was a line shaft driven machine.

There is a flat platform in the back of the machine -> with 4 bolt holes...appears on the left of the picture, close to the wall.

To this surface, you will need to mount a right angle piece of metal capable of supporting a motor, and allowing movement to accommodate belt length.

You also need to decide the speed ranges desired, pulley sizes to get there speeds, and motor KW to drive the cutter
You should look for a matched set of step pulleys.
.since you are in EU, you may have 3 phase power available, and want to use a variable speed motor to eliminate a few of the pulley sizes

Keep in mind the rather large diameter of the mill quill.

Once you have this information, you can choose a belt size.

Once you have the pulley and belt and motor size determined, you can draw out the center distance of motor to quill, and determine the dimensions of the motor mounting bracket you will need to make

As most of us have said...it is more trouble than it is worth.

Do you even know if the tables move accurately at all? How badly are the lead screws worn?

Once you have the machine 'wirh motor' -> what do you really have that can do work for you?

"IS THE JUICE WORTH THE SQUEEZE ' -> is it worth the trouble?
Too many things going on to bother listing them.
Bob D.
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Re: Brown & sharpe machine

Post by Bob D. »

You're going to have problems getting the spindle speeds where you need them. The flat pulley on the spindle is about as small as you want to go with flat belts. That platform at the rear would be better used to support a shaft with two idler pulleys to lead the belt towards the floor and changing from vertical shaft to horizontal jackshaft where you can use step pulleys and V belts to reduce the rpm of your motor.
Better check out that removed spindle first before you go to far… I doubt it was removed because it was in great condition.
You have a tremendous about of work to do to make a running machine of limited capabilities.
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RONALD
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Re: Brown & sharpe machine

Post by RONALD »

That is a rather strange B&S vertical mill, I finally got around to looking thru my B&S catalog collection and I find nothing like it?

My oldest B&S catalog is 1890, the base of this mill looks rather crude for 1890, most bases in every catalog have a storage compartment with a door, that one does not.

The name is cast in a receded way, most B&S Mill bases have it raised above the surface?

One would expect a serial number stamped on every B&S base, it should be in that white area shown below.

One guess, it was a production machine made specifically for use on a factory floor to machine certain parts, maybe during a war.

The Smithsonian had a nice old machine shop, and so does Greenfield Village, and of course there is: https://americanprecision.org

If anybody wants to follow up, the above or several others could be contacted.
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Fr55888
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Re: Brown & sharpe machine

Post by Fr55888 »

Here i am now i have a bearing issue on thé spindle axe. Don t know whivh and jow to chose
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