Ultrasonic drilling apparatus

Details Ultrasonic drilling apparatus Ultrasonic drilling apparatus

1988-06-20

1989-05-09

Neuder, William P.

Boring or penetrating the earth

Tool actuation by reaction of rotating eccentric mass

175 56, 51 59SS, E21B 724

Patent

active

048280526

ABSTRACT:
Apparatus attachable to an ultrasonic drilling machine for drilling deep holes in very hard materials, such as boron carbide, is provided. The apparatus utilizes a hollow spindle attached to the output horn of the ultrasonic drilling machine. The spindle has a hollow drill bit attached at the opposite end. A housing surrounds the spindle, forming a cavity for holding slurry. In operation, slurry is provided into the housing, and into the spindle through inlets while the spindle is rotating and ultrasonically reciprocating. Slurry flows through the spindle and through the hollow drill bit to cleanse the cutting edge of the bit during a drilling operation.

REFERENCES:
patent: 3091060 (1963-05-01), Giegerich et al.
patent: 3415330 (1968-12-01), Bouyoucous
patent: 3596501 (1971-07-01), Bodine
patent: 3614484 (1971-10-01), Shoh
patent: 3837121 (1974-09-01), Schirmer
patent: 4366988 (1983-01-01), Bodine
patent: 4598281 (1985-10-01), Bodine

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