Horizontal Boring Mills | Precision Grinding, Inc.
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Horizontal Boring Mills

PGI has two G & L horizontal boring mills with 83” x 134” capacity to accommodate your needs.  These mills are often used to machine large steel plates and fabricated structures such as steel tables.  These milling machines have digital readouts and hold close tolerances.

The boring process can be executed on various machine tools, including general-purpose or universal machines, such as lathes, milling or machining centers and machines designed to specialize in boring as a primary function, such as a horizontal boring mill where the spindle can extend to a greater length than a common mill.

We have many other machines that might also fulfill your project specifications. View Our Machines list for details.Not sure if a horizontal boring mill is what you need? Contact us.

Milling_Edges

Horizontal_Boring_Mill

Die Plate 160 x 76

Die_Plate_160 x 76 on Horizontal_Boring_Mill

 

What is Boring?

In machining, boring is the process of enlarging a hole that has already been drilled (or cast), by means of a single-point cutting tool (or of a boring head containing several such tools), for example as in boring an engine cylinder. Boring is used to achieve greater accuracy of the diameter of a hole, and can be used to cut a tapered hole. Boring can be viewed as the internal-diameter counterpart to turning, which cuts external diameters.

There are various types of boring. The boring bar may be supported on both ends (which only works if the existing hole is a through hole), or it may be supported at one end (which works for both through holes and blind holes).

Please click on the following link to view video of G&L Mill boring hole in fabrication:

Boring Crosshead

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