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Overview:
I have been working to purchase some basic tools to allow me to perform basic metalworking. One of the tools I have acquired is an Old Bridgeport Round Ram mill and one of the biggest challenges I faced after I bought the mill was finding a good source for information about the mill, it's operation, and the various parts and attachments for it. In my search for information I was able to obtain the following documents that I have compiled into a single CD that I am offering to sell to others that may also need this information. The CD is Windows compatible and contains files prepared in PDF format along with a number of photos in JPEG, BMP, and GIF format which should be easily viewable with no special software required.
Bridgeport “Round Ram” Turret Milling Machine Manual
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This PDF file contains 26-pages with information that is specific to the Round Ram Bridgeport Mill. This is not the complete manual as I got these pages from another Bridgeport owner that was kind enough to share. Following is a list of other info contained in this Manual:
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Brief Overview & History
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Specifications (Dimensions, Ranges, Weights)
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Information on various levers, handles, and stops
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Lubrication information
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Squaring, Angular settings, and overarm movement
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General Speed Recommendations (Material and cutter size at various feed rates)
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Parts Diagram with Parts list for Round Ram Mill
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Several Parts Diagram with Parts list for Master Milling Attachment (M-Head)
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Parts list and Diagram for Bridgeport #1 Milling machine Vise
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Old Parts list with prices |
Quick Change Tooling and Accessories for J Head and 2J Variable Speed Head; Code 11040077 (Formerly M-122)
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This is a 39 page PDF copy of an original 1981 Bridgeport manual that provides listings of recommended tooling packages for both Standard Bridgeport Milling Machines with J and 2J Variable Speed heads as well recommended tooling packages for a Series 1 N/C Machine. This catalog includes parts numbers, diagrams and dimensions for the following parts:
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Quick Change Spindles |
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#30 Quick Change Holder |
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Collet Information |
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Tool Holders |
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Pullout and non-pullout end mill collets |
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Boring Head and Boring Bars and cutters |
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#30 M.M.T adapters for just about everything (R8, MT1, MT2, MT3 Jacobs taper etc) |
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Tension type TAP holders |
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TAP collets | |
1966 Bridgeport Operators Manual
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This PDF file contains 40-pages of material about the Series 1 Mills. This is the complete manual and it contains the following information:
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Dimensional Drawing and Floor Plan
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Long and Cross Feed Assembly
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Uncrating, Cleaning, Placing on solid foundation, Leveling Machine
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Mounting Head on Overarm Adapter
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Handles, Inspection, Alignment of Head
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Lubrication (with drawings)
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Adjustment of Table Gib, Saddle and Knee Gibs
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Removing Table and Saddle
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Clamping Table, Saddle and Knee
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Removing Table and Saddle
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Power Feed Attachment plus Instructions for installing it
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Installation and Use of Measuring Attachments
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Descriptive Photograph of "J" Head
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Mounting Motor, Adjusting Belts, and Operating instructions for J-Head
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General Speed requirements with charts
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Parts Diagrams and lists for J-head, BR Turrent Milling Machine, Power Feed Attachment, M-Head, Shaping Attachment, Cherrying Head, R-Head, and C-Head
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Optical Measuring system plus parts drawings and lists. |
Bridgeport Attachments Catalog #30
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This is a 19-page PDF copy of a 1950s – 1960s Bridgeport attachments catalog. This catalog includes the following:
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Basic Features of Bridgeport Mills and Attachments
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Overview, specifications, and drawings for:1 HP Milling, drilling and Boring J Head, “Master” Milling, drilling and Boring M-Head, R-Head and C-Heads, Vertical Shaping Attachment E-Head, and Cherrying Attachment T-Head (with considerable detail on how to setup and use these).
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Mounting adapters
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Collet descriptions with drawings and specifications and info on which head uses which collet.
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Recommended Speed Chart for various diameter end mills in various materials. |
Bridgeport M-105H Bridgeport Series I Milling Machine
Installation, Operation and Maintenance Manual
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This is the complete 51-page M105H manual that was scanned and converted to PDF file. The manual has many diagrams and covers the following topics:
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Machine and milling head specifications
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Uncrating, Cleaning, Lifting, Placing, Leveling Machine
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Handles, Connecting Power, Head Alignment, Lubrication
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Adjustment of Table, Saddle, and Knee Gibs
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Removing Table and Saddle
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Mounting Vari-Drive Attachment to Ram Adapter, Operating Instructions
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Spindle Brake, High-Low Speed Switch, Hi-Neutral-Lo Speed lever
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Power Feed, Quill Feed and stop, Feed Reversing, Manual Feed
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Position of Ram, Operating instructions, removing motor, changing Vari-Drive Belts
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General Speed Recommendations
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Parts Identification for Basic Machine, Leadscrew assembly, J Head, 2J Head, M-Head, Shaping Attachment, 6F Longitudinal Power Feed Assembly. |
Bridgeport M-105 Bridgeport Series I Milling Machine
Installation, Operation and Maintenance Manual
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Note: There are two versions of this manual on the CD. This is an older version of this manual and it contains essentially the same material as the newer M-105H version above but it did have a few differences so I have provided this older version of the manual on the CD as well. Also note this is an assortment of pages from the manual and not the complete manual (above manual is complete) but at one point I was happy to even have these pages! |
US Patent Number 2275291: Original Bridgeport Mill
Machine Tool Operating at Universal Angles in Overall Locations
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The original Bridgeport Round-Ram Turret Mill Patent is included on the CD. The Patent is 10-pages in a PDF format and includes a great description of the mill with diagrams and figures that provide insight on how the round ram mills are built and designed to work. |
And More...
The CD also has a folder that contains photos of various Bridgeport Mills and accessories that I have compiled for myself to refer to while working on and with my own Bridgeport. I figure that if I have found them useful, you may find them useful too! |
Track up to 10 items on this computer in 
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