| 摘要 |
PCT No. PCT/IT86/00038 Sec. 371 Date Jan. 22, 1987 Sec. 102(e) Date Jan. 22, 1987 PCT Filed May 23, 1986 PCT Pub. No. WO86/07015 PCT Pub. Date Dec. 4, 1986.Method and apparatus for engraving a surface by a rotating tool movable along X, Y and Z axes under computer control. The tool projects through a slit in a housing, the slit having a height greater than that of the characters to be engraved and a length longer than the series of characters to be engraved. Mechanical structure is contained in the housing to drive the tool along X and Y axes for forming the characters and along a Z axis to engage the work. The beginning and end of the engraving operation as well as character size and sequence are all controlled by a computer. |
