Apparatus for retracting a tool slide of an ultrasonic cutting m

Abrading – Precision device or process - or with condition responsive... – With feeding of tool or work holder

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451 24, 451 27, 451165, B24B 4900

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055585582

ABSTRACT:
A carriage 3 is movable in a feed direction A on guideways 1, and carries an ultrasonic machining device 4, 5 loaded with an adjustable force in the feed direction by a first fluid cylinder 7. A cylinder 15 is attached to the carriage, around which is looped 16 a rope 17. One end 18 of the rope is preloaded by spring 20 against a stop 21 which is attached to a frame 2. The other end 22 of the rope is attached to the piston rod 24 of a second cylinder 25. By means of the second cylinder the tool 5 can be lifted or retracted from the workpiece 6 during the machining operation, independently of the position of the carriage. After the tool has been lifted off, the tool touches down gently again on a renewed abrasive layer.

REFERENCES:
patent: 2791066 (1957-05-01), Mahlmeister
patent: 2942383 (1960-06-01), Brown et al.
patent: 3094814 (1963-06-01), Barke et al.
patent: 3614484 (1971-10-01), Shoh
patent: 4524543 (1985-06-01), Inoue
patent: 4934103 (1990-06-01), Campergue et al.
Patent Abstracts of Japan, vol. 12, No. 105, (M-681) (2952) Apr. 6, 1988.

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