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What’s a Bridgeport Mill? The Beginner’s Guide

What is a Bridgeport? A Bridgeport mill is a standard manual knee-type vertical milling machine. The reason that many people refer to a manual mill simply as a “Bridgeport” is because it’s one of the most famous brand names that’s found in most machine shops. Essentially, Bridgeport invented the modern manual milling machine.

About MAURITZ MACHINE REPAIR

Hand scraping is what gives Bridgeport milling machines a distinctive feel. Gary will hand scrape the bearing surfaces on all the mating surfaces of the iron; column ways, dovetails, saddle, and the gibs. This provides a customized “surface to surface” fit. All ways are scraped to original tolerances, set by the original manufacturer.

The Building of a Bridgeport Milling Machine

2020-11-18  The Building of a Bridgeport Milling Machine . Published 2000 Bridgeport hand scrapes bearing surfaces on all the mating surfaces of the iron -- on the back of the knee, the dovetails, the saddle, and the gibs -- to provide a customized, surface-to-surface fit. Surfaces are scraped to tolerances ranging from 0 to 0.0002 in.

Bridgeport Milling Machine Rebuilding Division

2021-1-2  Over the past 37 years, Bridgeport Machine Rebuilders, a Division of STK Rebuilders, Inc. has rebuilt over 1,721 and repaired over 11,476 Bridgeport milling machines across the country. Our service department prides itself with the vast knowledge and expertise to efficiently solve your problems in a cost effective manner. We can rebuild your worn out Bridgeport mill or sell you a rebuilt

Bridgeport way surfaces The Hobby-Machinist

2013-5-10  Bridgeport has the machines dedicated to the parts and are set for the right squareness. We scrape them in the field as most rebuilders do not own a way grinder. There used to be a rebuilder here in MN that had old planers converted to planer mills and he mounted Bridgeport head on the machines and used a cluster mill and a 50 deg. dovetail cutter.

Rebuilt Bridgeport Mills For Sale Bridgeport Machine

2021-1-1  Order your customized "Rebuilt Bridgeport mill" today! (For approximately 50-60% of a new Bridgeport mill) We also offer an opportunity to trade-in your well used Bridgeport mill with a purchase of a rebuilt Bridgeport mill. Just email the following information to receive the trade-in value; Serial number, variable speed or step pulley, HP, table size, picture, grease or oil system, and any

BRIDGEPORT MILL "M" HEAD The Hobby-Machinist

2017-5-23  I just bought 1943? "M" head Bridgeport vertical milling maching. (Why bother ?...LOL Well it was only $500) I have it cleaned up and running fine. (The X-Y axis was frozen and spindle was too. Somebody liberally GREASED all fittings and surfaces! (Well, they DO look like Zerk grease...

Beginner Hobby Machinist Looking at These 2 Mills.

2020-12-16  Bridgeport 9”x32” M Head milling machine for $1,650 Some price flexability. 1/2 hp with universal quick switch spindle. Has 5ea collets and a repaired Bridgeport vise. 240v 3ph. 1HP Cincinnati Mill Serial# 6J1V52-302 for $1,300 (obo) It's a Toolmaster but there is no model number. But I found some manuals with variations of 6J1V52. Not much

for MANUAL MILLING MACHINES

can also produce many unique and irregular surfaces. They can also be used to drill, bore, produce slots, pockets and many other shapes. The type of milling machine in the UCR Mechanical Engineering Machine Shop is a variable speed vertical spindle, knee-mill

Milling machine table surface rust Practical Machinist

2016-2-25  Milling machine table surface rust I am considering to purchase this knee milling machine that has been stored in a shipping container. It appears that the doors have not been closed properly as it has about 10 inches of rust from one end of the table.

Bridgeport way surfaces The Hobby-Machinist

2013-5-10  Bridgeport has the machines dedicated to the parts and are set for the right squareness. We scrape them in the field as most rebuilders do not own a way grinder. There used to be a rebuilder here in MN that had old planers converted to planer mills and he mounted Bridgeport head on the machines and used a cluster mill and a 50 deg. dovetail cutter.

Milling Bridgeport Series 1 The Trout Underground

Used Bridgeport milling machine 9"X42" table. 1 1/2hp 220v 3ph 2J head Variable Speed with power down feed and Bridgeport X power feed. Head has new bushings and belt so the head is quiet. Spindle is R8. Table is in decent condition with some mill- drill marks and scratches. The ways have good scrapings visible and some scratches but are still

The Building of a Bridgeport Milling Machine

2020-11-18  The Building of a Bridgeport Milling Machine . Published 2000 Bridgeport hand scrapes bearing surfaces on all the mating surfaces of the iron -- on the back of the knee, the dovetails, the saddle, and the gibs -- to provide a customized, surface-to-surface fit. Surfaces are scraped to tolerances ranging from 0 to 0.0002 in.

Novali Group: Bridgeport Milling Machine Rebuild

2020-8-15  Bridgeport Milling Machine Rebuild Part III, Removed Motor, Knee, Head, Ram & Turret Some surfaces on the mill are precision surfaces; we want to make sure their condition is preserved. With the knee out of the way we went on to remove the knee pedestal. This part only has two fasteners; which secure it to the column base.

Bridgeport Milling Machine Oils Lube Finder

Bridgeport Milling Machine Oils. Bridgeport Specify the following oils. Mobil Vactra Oil No.2 to lubricate the slideway surfaces, X, Y and Knee (Although the thicker Mobil Vactra Oil No.4 may be better suited for the vertical slideway) Lubriplate No.105 through Set Screw "A" on the bull gear shift mechanism. 6 Items .

Rebuilding an American icon American Machinist

Hardinge also integrated chromed surfaces on the mill. Although Bridgeport Machine offered this as an option, Hardinge believes chromed surfaces extend the life of the machine and, therefore, made them standard. Visualize the flow A vital element of Hardinge's flow manufacturing is its use of visual pull systems to manage inventory.

Beginner Hobby Machinist Looking at These 2 Mills.

2020-12-16  Bridgeport 9”x32” M Head milling machine for $1,650 Some price flexability. 1/2 hp with universal quick switch spindle. Has 5ea collets and a repaired Bridgeport vise. 240v 3ph. 1HP Cincinnati Mill Serial# 6J1V52-302 for $1,300 (obo) It's a Toolmaster but there is no model number. But I found some manuals with variations of 6J1V52. Not much

Introduction to Machining: Milling Machine

2018-10-8  surfaces, but can also produce irregular surfaces. They can also be used to drill, bore, cut gears, and produce slots. • The type of milling machine most commonly found in student shops is a vertical spindle machine with a swiveling head. Although there are several other types of milling machines, shown is the vertical milling machine.

Cleaning up an old milling machine The Hobby

2012-9-18  This weekend I took delivery of my first milling machine. Rather old and dirty, not is to bad of shape, paint worn off and a few broken parts like all old equipment. Now comes the task of cleaning it up, checking it out and figuring out how to make the missing parts. This forum has posted many...

MILLING OPERATIONS TYPES OF MILLING MACHINES

2018-7-11  Milling is the process of machining flat, curved, orMilling machines are basically classified as vertical or irregular surfaces by feeding the workpiece against a rotating horizontal. These machines are also classified as knee-type, cutter containing a number of cutting edges. The milling ram-type, manufacturing or bed type, and planer-type.

Bridgeport way surfaces The Hobby-Machinist

2013-5-10  Bridgeport has the machines dedicated to the parts and are set for the right squareness. We scrape them in the field as most rebuilders do not own a way grinder. There used to be a rebuilder here in MN that had old planers converted to planer mills and he mounted Bridgeport head on the machines and used a cluster mill and a 50 deg. dovetail cutter.

Milling Bridgeport Right Angle Head The Trout

Bridgeport R8 Right angle milling head Condition: It is in Very Good Condition and in perfect working order. Description: This is a very nice Right angle milling head by Bridgeport model R8. It weighs 17 pounds 3 ounces and will come exactly as shown.

Bridgeport Milling Machine Oils Lube Finder

Bridgeport Milling Machine Oils. Bridgeport Specify the following oils. Mobil Vactra Oil No.2 to lubricate the slideway surfaces, X, Y and Knee (Although the thicker Mobil Vactra Oil No.4 may be better suited for the vertical slideway) Lubriplate No.105 through Set Screw "A" on the bull gear shift mechanism. 6 Items .

Bridgeport Milling Machine for sale in UK View 31 ads

Bridgeport Milling Machine Series 1 (plus Vat) missing 1/1 loose moving jaw retaining bar (although doesn't seem to impact it). i have all of the parts for this but you may want to replace the knurled nu. This is a brand new bridgeport milling machine This is BRAND NEW, comes complete with its tags.

Novali Group: Bridgeport Milling Machine Rebuild

2020-8-15  Bridgeport Milling Machine Rebuild Part IV, Sanding and Filling The main priority now will be preparing all none bearing surfaces for painting. We used the following for this part of the rebuild: sandpaper(80grit, 1809grit, and 320grit), Bondo(body filler), bucket of soap water, WD40(degreaser), putty knife set, and some shop rags.

Beginner Hobby Machinist Looking at These 2 Mills.

2020-12-16  Bridgeport 9”x32” M Head milling machine for $1,650 Some price flexability. 1/2 hp with universal quick switch spindle. Has 5ea collets and a repaired Bridgeport vise. 240v 3ph. 1HP Cincinnati Mill Serial# 6J1V52-302 for $1,300 (obo) It's a Toolmaster but there is no model number. But I found some manuals with variations of 6J1V52. Not much

Cleaning up bridgeport mill Practical Machinist

2018-1-18  Bridgeport went to the 1 shot lube system and did away with them. I would just get some way lube in an oil can and lube up the lead screw under the table. Judging by the looks of it I would remove the way guards in for Y axles, unscrew the gib to see how it looks and lube up the ways.

Introduction to Machining: Milling Machine

2018-10-8  surfaces, but can also produce irregular surfaces. They can also be used to drill, bore, cut gears, and produce slots. • The type of milling machine most commonly found in student shops is a vertical spindle machine with a swiveling head. Although there are several other types of milling machines, shown is the vertical milling machine.

Cleaning up an old milling machine The Hobby

2012-9-18  This weekend I took delivery of my first milling machine. Rather old and dirty, not is to bad of shape, paint worn off and a few broken parts like all old equipment. Now comes the task of cleaning it up, checking it out and figuring out how to make the missing parts. This forum has posted many...