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注解 1968年美国钢铁协会制订了AISE1号(起重冶金用辅机直流电动机——800系列电动机)标准。800系列电机取代了600系列电机,虽然功率增加了,但尺寸(1948年制订)仍保持不变。许多国家都采用了AISE标准,有的作了修改,有的不作修改。并在1970年IEC TC2的会议上决定把AISE标准折合为公制。 TC2为了对此标准达成一致协议经历了很多困难,认识到对所涉及的问题要达成普遍能接受的决议是不容易的。目前的标准只是作为一种暂时性的决议,经过几年实践后再作考虑。折中考虑的主要几点如下:
Comments 1968 American Iron and Steel Association developed AISE1 (hoisting and metallurgy with auxiliary DC motor - 800 series motor) standards. The 800 Series motors replaced the 600 Series motors and although the power was increased, the dimensions (set in 1948) remained unchanged. Many countries have adopted the AISE standard, some made changes, and some do not make changes. And in 1970 IEC TC2 meeting decided to AISE standard equivalent to metric. TC2 has experienced many difficulties in reaching agreement on this standard, recognizing that it is not easy to reach a generally acceptable resolution on the issues involved. The current standard is only used as a temporary resolution, which will be considered after several years of practice. The main points of compromise are as follows: