1938 Aug. 8, First Bridgeport Turret Milling Machine shipped (to Precision Castings Corp. of Syracuse, N.Y.)
Where are new Bridgeport Mills made?
The Bridgeport knee mill is still made in the U.S.A. — by Hardinge Inc.
When was the first milling machine invented?
1818
So Whitney developed the first milling machine in 1818. This machine was so ahead of its time that kept all its features and initial functions for a century and a half.
Who bought Bridgeport Mills?
Textron, Incorporated
The 100,000th Bridgeport Miller was completed in 1967, just one year before the company was sold to Textron, Incorporated.
How do I identify a Bridgeport mill?
They are stamped on the main housing and also on a tag on the upper drive. These numbers are prefixed with the model of the head. The most common are “M”, “J”, “2J”.
What is a Series 1 Bridgeport mill?
The Bridgeport Series I Standard Mill is the original milling, drilling and boring machine. The Bridgeport Series I Knee Mill is the most popular mill ever made with over 370,000 machines built over the past 70-plus years.
Is Bridgeport Machines still in business?
Bridgeport is a historic brand of milling machine and machining center produced by Bridgeport Machines, Inc. from 1938 to 2004, and machine tool conglomerate Hardinge, Inc.
Who made the first milling machine?
Eli Whitney
Later, in 1818, Whitney invented the first milling machine. A bit later in the year 1818 Eli Whitney (inventor of the cotton gin) invents a milling machine in New Haven Connecticut.
Who invented the first universal milling machine?
The milling machine built by James Nasmyth between 1829 and 1831 for milling the six sides of a hex nut using an indexing fixture.
When was wheat First milled?
The History of Wheat and Flour Milling
Archeologists date the first tools of ancient man as early as 250,000 years ago.
How many HP is a Bridgeport mill?
3-HP motor with a 2J head. Spindle speeds range from 60 to 4,200 rpm. Metered, one-shot lubrication system. Innovative, patented airflow cooling system – uses no external fans.
How much does Bridgeport milling weigh?
about 2,000 to 3,000 lbs
A standard Bridgeport-style vertical knee mill will weigh about 2,000 to 3,000 lbs, depending on when it was made and what options it has.
When did Hardinge buy Bridgeport?
2004
The deal includes ownership of the sales and distribution license for Bridgeport, a machine tool brand acquired by US multinational Hardinge in 2004. Bridgeport has always been a popular brand for lathes in the UK so the group, known as EGT, have badged the deal as “reviving a great British manufacturing name.”
What is the difference between a Series 1 and Series 2 Bridgeport mill?
The fact that the Series II weighs over twice as much as the Series I gives it the capability to handle larger and heavier work. Its extra weight adds stability, while the four-horsepower head allows the operator to use the cutting tools that lend themselves to deeper cuts and higher feed rates.
How tall is a Bridgeport Series 1?
47.25"
The Bridgeport Series I Knee Mill is the most popular mill ever made with over 370,000 machines built over the past 70-plus years.
Contact Us.
| Series 1 KneeMill | |
|---|---|
| Standard | 49″ x 9″ (1,245 x 299 mm) |
| T Slot center distance | 3 @ 2.5″ (64 mm) |
| T-Slot Size | 0.625″ (16 mm) |
| Height Above Floor (Max.) | 47.25″ (1,200 mm) |
How much does a 42 Bridgeport weigh?
2,750 lbs.
Additional information
| Table size | 9″ x 42″ |
|---|---|
| Power requirements | 220 / 440 volts, 3 phase, 60 cycle |
| Amps | 3-Jun |
| Approximate dimensions | 57″ x 58″ x 82″ high |
| Approximate weight | 2,750 lbs. |
What is a Bridgeport mill used for?
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.
Does Bridgeport make lathes?
While Bridgeport became an American Icon, other machine tools emerged and became leaders in their respective categories; Bridgeport vertical mills, TRAK CNC bed mills, Mitsui surface grinders, Harig surface grinders, and Hardinge lathes.
How old are milling machines?
Milling machines have been around for significantly less time than the lathe, but they’re still more than 200 years old. Records show that early models were around from 1814 onward, though it’s hard to trace them back to any specific name or business.
Why is a milling machine called a milling machine?
The name comes from the added gearbox and spindle that allows either horizontal or vertical milling.
When was the first lathe made?
around 1300 BC
The lathe is an ancient tool. The earliest evidence of a lathe dates back to Ancient Egypt around 1300 BC. There is also tenuous evidence for its existence at a Mycenaean Greek site, dating back as far as the 13th or 14th century BC.