Isbn: 9787562408420 - 机床电气自动控制 (1 risultati)

paperback. Condizione: New. Paperback Pages Number: 204 Language: Simplified Chinese Publisher: Chongqing University Press; 2nd edition (August 1. 2008). Machine tools. electrical automatic control (2) a more comprehensive discussion of the modern electric machine control The main types. The contents include: Analysis and design of the relay contactor control circuit; AC and DC stepless speed control; machine digital control numerical control (CNC and economic systems); the principle of the programmable controller (PC).…