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Where were Bridgeport milling machines made?
Bridgeport CT
The original Bridgeport Milling Machines were made in Bridgeport CT back in 1938. It gained popularity soon after for being the best vertical milling machine made. The name Bridgeport Milling Machine is so synonymous that it is often referred to as any type of milling machine of that style, no matter the brand.
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.
What is a knee milling machine?
A knee mill is a type of vertical milling machine where instead of the entire table being stationary, it is able to move along the y, or vertical, axis, a direction in which the workpiece can move in relation to the milling tool shaping it.
How many horsepower is a Bridgeport mill?
3-HP
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.
Where is the serial number on Bridgeport?
Bridgeport Serial Numbers. The machine Serial Number on US-manufactured examples is stamped into front of the knee casting–not the head (the head numbers are a completely separate series and have nothing to do with machine numbers).
Why is a knee mill called a knee mill?
Knee mill or knee-and-column mill refers to any milling machine whose x-y table rides up and down the column on a vertically adjustable knee.
What is a vertical knee mill?
A vertical knee mill is a versatile machine tool that allows an operator to perform a wide range of tasks such as facing, slotting or keyways, drilling or boring. Yale University has a nice technical summary: Mill controls may be manually operated, computer numerical controlled (CNC), or a combination of both.
How much does a Bridgeport knee mill weight?
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. To move it, there should be a threaded hole on top of the ram that’s a hoist point.
What’s the difference between a knee mill and a bed mill?
The main difference is that with a knee mill, the table moves up and down in Z, whereas with a Bed Mill it is the spindle that moves up and down. Note that Knee Mills also have what’s called a “Quill”.
How heavy is a Bridgeport mill?
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.
Who is Bridgeport Machines?
Bridgeport Machines, Inc., is the leading manufacturer of manual milling machines, surface grinders, and computer-controlled metal cutting machine tools in the United States.
How much does a Bridgeport milling machine cost?
Bridgeport Milling Machines find their way into most shops across the country. They become one the most used tools in any tool room. Like a hammer is to a carpenter, Bridgeport Mills into your tool room is a must. BASE PRICE $ 9,500. We bring these BRIDGEPORT mills into our facility and offer a wide range of services.
Is Bridgeport a joint venture company?
Although its joint ventures in China and Malaysia have yet to commence production as of 1996, Bridgeport continues to increase its foreign market presence and is in a strong position for continued, steady growth. Principal Subsidiaries: Bridgeport Machines, Ltd.; Chengdu Chang Zheng Bridgeport Machines Ltd.; P.T. Bridgeport Perkasa Machine Tools.
Do Bridgeport customers prefer manual or computerized Clippers?
While customers in Europe and Asia seem to prefer the new computerized machines, Bridgeport’s U.S. customers primarily purchase manual machines. The company’s origins date to 1929 when Rudolph F. Bannow, president of Bridgeport Pattern and Model Works, enlisted his customer and friend, Magnus Wahlstrom, to jointly develop an electric hedge clipper.