Synchronous operation control system for numerically controlled

Details Synchronous operation control system for numerically controlled Synchronous operation control system for numerically controlled

1989-02-16

1991-09-24

Smith, Jerry

Boots, shoes, and leggings

36447412, G06F 1500

Patent

active

050519131

ABSTRACT:
A synchronous operation control system for a numerically controlled machine such as a gear grinding machine or a hobbing machine includes a first motor for rotating a master shaft supporting a tool, a second motor for rotating a slave shaft, and a workpiece shaft operatively coupled to the slave shaft for supporting a workpiece which is to be machined by the tool. First and second encoders are coupled respectively to the master and slave shafts. Processors are provided for differentiating output signals from the first and second encoders with respect to time and thereafter calculating at least positional errors between the master, slave, and workpiece shafts. In addition, an adder is provided for adding output signals from the processors and applying an output signal to the second motor.

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