机械控制的不足之处.ppt

Chapter 8Electronics in knitting18.1 The disadvantages of mechanical control 机械控制的不足之处机械控制的不足之处•expensive to manufacture•slow and cumbersome in operation•difficult to adjust or alter•subject to friction and wear28.2 The disadvantages of mechanical programming 机械程序设计的不足之处机械程序设计的不足之处•expensive in stored materials•bulky in space on the machine or in storage•time-consuming to handle and alter•slow in operation•provide restricted facilities38.3 The advantages of electronic control and programming 电子控制和编程的优点电子控制和编程的优点•convenient power-supply•compatibility with existing mechanical components•micro-miniaturisation of circuitry•economical data storage•provide restricted facilities48.4 The computerised knitting machine 电脑针织机电脑针织机 Although knitting is still a mechanical action between the yarn and the knitting elements, the design of tomorrow’s machines will be increasingly influenced by the facilities offered by electronics.5。