Electric heating – Metal heating – Cutting or disintegrating
Patent
1992-03-30
1993-09-07
Evans, Geoffrey S.
Electric heating
Metal heating
Cutting or disintegrating
B23H 710
Patent
active
052431657
ABSTRACT:
An EDM machine comprises a machining tank which moves along X-axis. An upper guide and a lower guide are formed integrally with a Y-axis moving block. The Y-axis moving block moves along a pair of rails that are placed on a horizontal plane. The horizontal plane is formed on a column within which portions of the upper and lower arms are located. By having the moving block move on rails that are placed on a horizontal plane, rattling of the moving block is eliminated and the machining accuracy is improved. The workpiece is also more accessible due to the machining tank moving in only one direction and since portions of the lower and upper arms are located within the column.
REFERENCES:
patent: 3731044 (1973-05-01), Ullmann et al.
patent: 3731045 (1973-05-01), Ullmann et al.
patent: 4363949 (1982-12-01), Pfau et al.
patent: 4808787 (1989-02-01), Futamura
patent: 4973812 (1990-11-01), Aramaki et al.
patent: 5070224 (1991-12-01), Topfer et al.
patent: 5086203 (1992-02-01), Kobayashi et al.
Evans Geoffrey S.
Sodick Co. Ltd.
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