Drilling restart control system

Details Drilling restart control system Drilling restart control system

1991-11-08

1993-02-23

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318600, 36447416, H05K 300, G05B 1918

Patent

active

051893525

ABSTRACT:
A drilling restart control system is for restarting an NC drilling machine for a printed wiring board or the like. A drilling data block provides for a bore diameter, a drilling position, and detection of a complete block. A host computer reads data from a storage medium and the data processing is executed. A series of drilling instructions is stored in a memory with protection against power failure. When a restarting of the drilling operation is indicated, the machining operation is reserved until the data coincides with the contents stored in the memory with protection against power outage.

REFERENCES:
patent: 4530046 (1985-07-01), Munekata et al.
patent: 4604705 (1986-08-01), Imanishi
patent: 4704689 (1987-11-01), Asakura
patent: 4751652 (1988-06-01), Kiya et al.
patent: 4788481 (1988-11-01), Niwa
patent: 4972322 (1990-11-01), Asakura et al.
patent: 4978901 (1990-12-01), Hirai
patent: 5111383 (1992-05-01), Kimura et al.

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