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The Match Plate Patterns have been Modified to Incorporate the changes and I have decided
to drop the patterns of at the local Aluminum foundry and have several sets if the parts cast.

With all...

Before Modifying the Base Plate Pattern to incorporate the wings
I decided to test the concept by adding the wings to an existing Base
Plate casting !
Looks like some additional machining will...

The next task in the Bridge Mill upgrade is to add "wings" to the Base Casting.

This revision should not be too complicated because there is adequate space available
to add the two extensions (...

The New Configuration Bridge Mill is finally in work!

The revision to the Pattern for the Side plate is in work and 3.5 inches was added to the height.
This translates into an additional 3.5...

Chris L,

Thanks for your Input, it was very informative!!

The only reason I did not include you was you had not posted on Page 4.

W (Ted) Smith

Wizard,109jb,gharley,

On the subject of GRBL, have you seen?

GrblGru: Free CAM and 3D-Simulation for mills and lathes
...

Hi All,

Greg & I have begun modifications on our current design of the Bridge Mill.

The latest configuration will expand on our spread upright design which was
shown earlier....

Hi Guy's,

Hope more than 3 of you were able to view our article in Digital Machinist Magazine!

IT was much more concise and to the point than what I presented here!

W. (Ted) Smith

Davoodansari,

That Lathe sounds good to me!
I started ( many years ago) with a 6" lathe and never regretted it!!

You will learn a lot about Feeds & Speeds with a small lathe which...

This is the front page of the latest issue of Digital Machinist Fall 2017 vol 12
376054

Davoodansari,

10 mm sounds a little skimpy to me But maybe I'm accustomed to taking heavier cuts than you are.

For my Machine Tables I specify 5/8-10 Acme thread which I purchase in...

I haven't posted recently because I had submitted the information on
our "ULTRA" Model Bridge Mill to Digital Machinist Magazine
and was waiting for the article to be published.

Our new mill...

SWA Guy,

Have been busy on other stuff!
This project will be activated shortly, The bits & pieces have been occupying
valuable space on one of the corners of my Moving Gantry Router which...

I have spent considerable time recently researching Arduino/Grbl and stumbled upon an interesting thread here on CNC Zone.
The author is GRBL GRU and is developing a terrific FREE Cad program on...

109JB,


IT WOULD BE VERY HELPFUL IF YOU COULD NAME SOME OF THE INTERFACE PROGRAMS YOU ELUDED TO!

Thanking you in advance

W. Smith, Mission Viejo, CA

Mike, Your comment is much appreciated!

The Trunion Table picture enclosed in my last post was one of several
included in my post #238, page 20 of this Thread.

We have now decided to...

The Basic's of Machine #1 have been completed for some time and Greg & I have been
considering what's next !

We have installed a Gecko 540 in our Machine Console which can drive 4 axis...

There are presently two sets of Fixture Mill castings occupying valuable floor space
in my work area, awaiting Z axis components!!

The shortage of Spindle-Quill parts and the lack of incentive...

Gamble,

I would suggest a 5th Option.

Sounds like you are taking the same path I did in researching machines!!

I ended up purchasing a second hand BRIDGEPORT 2J which was used it as a...

Some second guessing is in order on the Z axis configuration!!
Looking at the side view of the machine in post 275, the total clearance between
the Machine table and the stationary Z axis plate...

poolrod2, endlasuresh.........Thanks!! your comments are appreciated.

Time to do a little electro-mechanical assembly.
We had previously modified our standard Monitor Assembly, adding a...

The major mechanical components were installed some time ago.

The next task is to complete another one of the three Monitor enclosure's we have partially
assembled.
A clearance hole was cut in...

Enclosed is the latest concept for our Bridge Mill;
with a simple modification to the base, we were able to
increase the table width under the column by 4 in.

Seems like the thing to do!

Your objective in building a fixed gantry design is a very smart decision.

Your asking for input is wise because there is a lot of brainpower available here on the Zone.

The first CNC machine...

Decided I would post more information on the Economy version of this Mill configuration.It was originally designed
to use a Router for machining plastics & aluminum, but we had purchased 2 of the...

D.Speck,

Sorry for the late response....Greg and I have been concentrating all of our effort on our latest design.

Ideally we would like to make all of our castings available to interested...

HI....
I purchased the the Grizzly G7156 4" vise and I'm very happy with the Qualty!
However: I'm using it on my Benchtop Bridge Mill and what I really need is a 4" 2 piece machine...

A natural extension of the Basic Bridge Mill Design is the "spread column design".
This design can be extended in the "Y" axis by drilling an additional 8 holes in the existing tubular cross...

SOHCPWR,

Before you do anything else, Clean that Machine!!!
Fill any dings,sand it with a rubber block then prime and paint it!
Do one surface at a time if necessary.
Treat it like the...

John 1987,

Sorry you don't like our concept for "Economy Mill no. 2" which is really a router
for use on non Ferrous materials.

Stay tuned for our "Primo Machine no.1" which will be assembled...