Pulse laser pretreated machining

Details Pulse laser pretreated machining Pulse laser pretreated machining

1981-05-13

1982-10-26

Albritton, C. L.

Electric heating

Metal heating

By arc

29 27C, 82 1C, 219121LH, 219121LJ, 219121LG, 219121LK, 219121LL, 219121FS, B23K 2700

Patent

active

043563767

ABSTRACT:
An improved laser-assisted machining process has special application to difficult-to-machine materials such as the titanium alloys and high temperature superalloys. A layer of material to be removed by a cutting tool is made weaker by drilling a series of holes using a pulse laser beam ahead of the cutting process so that the tool removes the rest of the weaker material with relative ease. There is a decrease of cutting forces, breakage of the chip to a manageable size, and reduced tool wear.

REFERENCES:
patent: 3265855 (1966-08-01), Norton
patent: 3696504 (1972-10-01), Cupler
patent: 4098153 (1978-07-01), Clark et al.
patent: 4163402 (1979-08-01), Bykhovsky et al.
patent: 4170726 (1979-10-01), Okuda
patent: 4201905 (1980-05-01), Clark et al.
patent: 4220842 (1980-09-01), Sturmer et al.
patent: 4229640 (1980-10-01), Longo
Michael Bass, et al., American Institute of Physics, "Laser Assisted Hot Spot Machining", pp. 205-211, 1979.
Mayfield, Aviation Week and Space Technology, "Advanced Machining Processes, Tooling", pp. 54-56, Sep. 15, 1980.

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