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A portable pipe milling machine that sets up fast and provides precise, perfectly square bevels on either torched off or rough cut pipe for better weld integrity is available from Esco Tool. The Esco Wart MILLHOG is a portable pipe beveller that sets up fast using a self-centering draw rod assembly which fits into the pipe ID and has a mandrel with expanding clamps for rigid mounting. Designed to enhance weld integrity, this tool can bevel, face, and bore simultaneously with ± 0.001” accuracy to provide perfectly square pipe ends featuring any angle of prep.
Suitable for tube and pipe from 0.750” ID to 4.5” OD, the Esco Wart MILLHOG runs at 98 rpm, which makes it suitable for highly alloyed materials or carbon steel. TiN-coated blades are offered in a wide range of styles and no cutting fluids are needed. Designed with reliable dual opposed taper roller bearings, it is available with pneumatic and electric motors.
Related Glossary Terms
- gang cutting ( milling)
gang cutting ( milling)
Machining with several cutters mounted on a single arbor, generally for simultaneous cutting.
- inner diameter ( ID)
inner diameter ( ID)
Dimension that defines the inside diameter of a cavity or hole. See OD, outer diameter.
- mandrel
mandrel
Workholder for turning that fits inside hollow workpieces. Types available include expanding, pin and threaded.
- milling
milling
Machining operation in which metal or other material is removed by applying power to a rotating cutter. In vertical milling, the cutting tool is mounted vertically on the spindle. In horizontal milling, the cutting tool is mounted horizontally, either directly on the spindle or on an arbor. Horizontal milling is further broken down into conventional milling, where the cutter rotates opposite the direction of feed, or “up” into the workpiece; and climb milling, where the cutter rotates in the direction of feed, or “down” into the workpiece. Milling operations include plane or surface milling, endmilling, facemilling, angle milling, form milling and profiling.
- milling machine ( mill)
milling machine ( mill)
Runs endmills and arbor-mounted milling cutters. Features include a head with a spindle that drives the cutters; a column, knee and table that provide motion in the three Cartesian axes; and a base that supports the components and houses the cutting-fluid pump and reservoir. The work is mounted on the table and fed into the rotating cutter or endmill to accomplish the milling steps; vertical milling machines also feed endmills into the work by means of a spindle-mounted quill. Models range from small manual machines to big bed-type and duplex mills. All take one of three basic forms: vertical, horizontal or convertible horizontal/vertical. Vertical machines may be knee-type (the table is mounted on a knee that can be elevated) or bed-type (the table is securely supported and only moves horizontally). In general, horizontal machines are bigger and more powerful, while vertical machines are lighter but more versatile and easier to set up and operate.
- outer diameter ( OD)
outer diameter ( OD)
Dimension that defines the exterior diameter of a cylindrical or round part. See ID, inner diameter.
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