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Patent Searching and Data


Title:
DEVICE FOR ELECTRO-EROSIVE PERFORATION OF PARTS
Document Type and Number:
WIPO Patent Application WO/1989/007028
Kind Code:
A1
Abstract:
A device for electro-erosive perforation of parts comprising an electrode-instrument in the form of a rod (5) placed with a gap in an envelope (9) and protruding from it an arrangement (1) for feeding and rotating the rod mechanically connected to an arrangement (3) for ensuring the reciprocating movement of the envelope in relation to the rod. The arrangement (3) for reciprocating movement of the envelope in relation to the rod consists of a hydraulic cylinder (6), on the piston (7) of which, on the side where the part (8) is located, is rigidly fixed the envelope (9) and at least one of the cavities ("a" or "b") of the hydraulic cylinder (6) is connected to the system for the inlet and outlet of the working medium, the piston (7) being provided with at least one passage which is connected to the cavity of the envelope (9) of the electrode-instrument and through which passes, with a gap, the rod (5) of the electrode-instrument.

Inventors:
ABDUKARIMOV ERKIN TUKHTAEVICH (SU)
VAKHIDOV KHAIDAR AKHMEDOVICH (SU)
Application Number:
PCT/SU1988/000024
Publication Date:
August 10, 1989
Filing Date:
January 27, 1988
Export Citation:
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Assignee:
INST ELEKTRONIKI IM U A ARIFOV (SU)
SP KT (SU)
International Classes:
B23H1/00; B23H9/14; (IPC1-7): B23H1/00; B23H7/00
Foreign References:
SU657946A11979-04-25
GB1505065A1978-03-22
GB992392A1965-05-19
Other References:
"Metallorezhuschie Stanki" Pod Redaktsiei V.K. Tepinkichieva, 1973, Mashinotroenie, (Moscow), see page 287, fig. 240
See also references of EP 0353301A4
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