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A portable welding end prep tool that features air-operated clamping which reduces cycle times for highly repetitive end prep milling in fabrication shops is available from ESCO Tool.
The MILLHOG Mongoose Air Clamp welding end prep tool is equipped with an air-operated clamp that attaches to a tube or pipe I.D. and releases from it by simply flipping a toggle switch. Ideally suited for highly repetitive end preps, the pneumatic clamping system reduces operator fatigue and increases throughput by up to 600 percent, claims the firm.
Featuring a self-centering draw rod that rigidly mounts into the tube or pipe I.D., the MILLHOG Mongoose Air Clamp welding end prep tool employs clamp ribs that retract off the mandrel automatically after milling to reduce friction. Designed for tubes and pipe from 5⁄8" I.D. to 3" O.D., this tool can bevel, face, and bore simultaneously and remove membrane.
The tool sells for $3,995 and is available for rent in the continental U.S.
Related Glossary Terms
- fatigue
fatigue
Phenomenon leading to fracture under repeated or fluctuating stresses having a maximum value less than the tensile strength of the material. Fatigue fractures are progressive, beginning as minute cracks that grow under the action of the fluctuating stress.
- gang cutting ( milling)
gang cutting ( milling)
Machining with several cutters mounted on a single arbor, generally for simultaneous cutting.
- 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.
