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为了更好地完成矿山局下达的电动梁式起重机系列更新和电动葫芦小车试验与修改两项任务,1976年10月6日至11日在河南新乡市召开了电动葫芦和梁式起重机行业技术座谈会。参加会议的有主要生产厂、研究所和高等院校等14个单位。会议讨论了工字钢局部弯曲试验小组提出的《轻型工字钢翼缘局部弯曲试验报告》,一致认为这次试验是比较成功的,为轻型工字钢在电动葫芦轮压作用下的局部弯曲应力计算提
In order to better complete the Mines Bureau issued a series of electric beam crane updates and electric hoist trolley test and modify the two tasks, October 6, 1976 to 11 in Henan Xinxiang held electric hoist and beam crane industry technology forum meeting. Participate in the meeting there are 14 major manufacturing plants, research institutes and institutions of higher learning. The meeting discussed the local bending test group made by I-beam, “Local Bending Test Report of Light I-Beam Flange”. It was agreed that this test was successful. It was a partial bending of light I-beam under the action of electric hoist Stress calculation mention