Arrangement for automatic working data set-up for driving implem

Details Arrangement for automatic working data set-up for driving implem Arrangement for automatic working data set-up for driving implem

1987-10-28

1989-04-11

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Digital or numerical systems

318 17, 76108R, G05B 1929

Patent

active

048209627

ABSTRACT:
Single or multi-track data markings are provided on the shank of a tool bit between a torque transmission region at one end and a working region proper for automatic working data set-up of a driving implement for exchangeable tool bits. The data markings consist of a sequence of notch-like depressions and lands, which are scanned by inductive proximity switch sensors. In case of multi-track codings, one track is used for clock timing. In case of single track codings, an rpm transmitter signal is used as a clock time signal during the information decoding in order to obtain an unequivocal identification signal. Signal evaluation occurs in a microprocessor with at least two counter register combinations, which alternately, in the sequence of the sensor signal, count the pulses of the time clock signal. The respective combination contents are compared in an evaluation unit of the microprocessor with prestored table values. In this way, appropriate driving parameters for each type of tool bit are made available for the motor drive.

REFERENCES:
patent: 3828863 (1974-08-01), Bleicher et al.
patent: 4413936 (1983-11-01), Kuhlmann
patent: 4527449 (1985-07-01), Sydlowski et al.
patent: 4540318 (1985-09-01), Hornung et al.

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