Gear cutting – milling – or planing – Milling – Process
Patent
1985-08-15
1987-03-24
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
Process
33181R, 33191, 408 1R, 408 75, 409218, B23Q 1700
Patent
active
046521887
ABSTRACT:
A centering tool for use in a chuck or collet of a drill press or milling machine enables positioning of a round or cylindrical workpiece such that its axis is precisely positioned to intersect the axis of rotation of the machine. The tool enables the efficient drilling of a hole through a cylindrical bar, perpendicular to the axis of the bar, for example. A cylindrical shank of the tool is adapted for insertion into the chuck or collet, and a centering body affixed to the shank has a generally V-shaped centering notch symmetrical about the shank's axis and having an apex line crossing the shank's axis. Using this tool, a workpiece may be centered with respect to a machine spindle by inserting and tightening the shank of the tool in the collet or chuck on the spindle, placing the workpiece on a surface adjacent to the centering tool, moving the centering tool and the chuck axially into engagement with the workpiece until the centering notch precisely centers the workpiece with the axis of the centering tool's shank and of the spindle, then clamping the workpiece onto the table while inserting the appropriate cutting tool into the chuck and performing the desired operation.
REFERENCES:
patent: 2418956 (1947-04-01), Silver
patent: 2427290 (1947-09-01), Licwinko
patent: 3661469 (1972-05-01), Lett et al.
patent: 3907452 (1975-09-01), Tripp
Bilinsky Z. R.
Freiburger Thomas M.
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