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4 cubic meters shovel change SCR control


Move frequently to improve the working conditions of work to reduce vibration when the dog a lot of unnecessary maintenance and repair time and increase when the gate of the equipment operation. More than a year to dump its main faults: 1. Poor quality of the magnetic trigger, trigger mounted on newly purchased machines can not be used (1O ・ shovel [988 years of installation and adjustment occurred, l989 in l3 'shovel also occurred), Min is set purely product quality, 2 . Kin King rejection occurred in the control of a three-winding circuit and grounded '3. Trigger trigger power rectifier diodes burn out, 4. Knock control touch controlled search is not normal, suddenly there suddenly no, put the new SCR control, also have a similar situation. Before 3 failures were within the magnetic triggers, and section 4 is not a silicon tube failure damage, defects in the silicon tube triggered a great lead on. Most of the lead is trapped trigger pressure connection cable, crimping is not strong, so that the tube is suddenly generated in the work suddenly does not trigger the trigger. We checked out of order after the soldering method with completely eliminate this risk. In addition to these failures, the double-winding generator (especially rotating generator) repeated sparking large, loose weld seriously affect the machines work properly, also the product quality upon inspection after the issue. The above cases, SCR power shovel In principle put too much control over the magnetic shovel complex, but the mag-amp tube wiring than a single, stable performance than the magnetic amplification, maintenance workload of the small, machine reduces labor intensity, and I mine SCR power shovel with students during the jIt 3l failures mostly caused due to product quality, and therefore, the overall effect, the shovel is better to change thyristor control in October 1989 I have modified mine shovel turn 13 into the SCR control, the rejection of more than two months in good condition for the completion of SCR power shovel production tasks Mine huge role to play meat dish. However, from the maintenance point of view, I believe that the biggest deficiency is not ideal magnetic triggers, bad moment we can not repair, resulting in great waste. Triggers the assembly of well-magnetic wave power, working winding, control winding, trigger and trigger power rectifier power transformers, etc., as long as any one component is damaged, the entire trigger can not be used. And for down, how to disassemble, all parties have not yet mastered. I use mine more than a year has been damaged five, each 1,800 yuan, only the cost to nearly as much as 10,000 yuan. How to solve this problem, the SCR power shovel to make more contributions to mankind,[link widoczny dla zalogowanych], Greece design, research. Manufacture and use of multi-unit and other units to enhance information exchange, the SCR power shovel as soon as possible, as soon as possible. Make the United States. Xinjiang Institute of Metallurgy and Statistics held the first Inaugural Symposium Inaugural Xinjiang Statistical Institute of Metallurgy Symposium ~ t990 in the first session of August 27 to 30 in Xinjiang Iron and Steel Company at the meeting held 59 official representatives The iron and steel enterprises from Xinjiang. Xinjiang,[link widoczny dla zalogowanych], Han Li, manager of Iron and Steel Company, Chairman of House of Xinjiang Institute of Metals shine, autonomous regions and effective German Statistical Society, President of Kyrgyzstan, the District Statistical Society, such as the http Dingpeng Bo, vice president of the meeting. Bayi Iron and Steel Plant subordinate units, the statistical ll who attended the meeting Cuan bad. Xinjiang Iron and Steel Company by the General Assembly by the crowded division deputy chair at the Xin Zhou, participants reported to the preparatory work of the Statistical Society. The leaders attending the meeting has delivered a warm speech,[link widoczny dla zalogowanych], warm congratulations on the convening of the General Assembly,[link widoczny dla zalogowanych], and the Statistical Institute of Metallurgy ardent hope. The meeting to convey the State match Yilin, Vice Premier Wang listening to the country for talks Wei account when reporting speech. The General Assembly received a total of 26 academic papers of the basket and the General Assembly in the group were carried out on the hot Cuan's discussion and mutual exchange of research results and work experience, academic atmosphere, active and learn for the future of academic research activities have laid a good foundation. Delegates discussed and adopted unanimously the Xinjiang Institute of Metallurgy and Statistics constitution. After serious discussion and study rare consultation, democratic election of the amount of lead agency the Institute, elected executive director 11, director of 27 identified members of the first session of the Council leadership. General Assembly decided to learn the future of the enterprise sector should always check the implementation of the \supervisory role, leadership at all levels to understand the situation,[link widoczny dla zalogowanych], guide the work, to provide an accurate basis for policy - the General Assembly by the Chinese Statistical Association and the China Metallurgical Society of the local iron and steel metallurgy and Statistics Branch of the message in Xinjiang Society for Metals, Mechanical Xinjiang Institute of Electronics, Ulu East Aceh Statistical Society, Xinjiang Institute of metallurgical accounting, Xinjiang Meitan Ting, Xinjiang Nonferrous Metals Company, Xinjiang Construction Corporation on behalf of other units to be congratulated Luo Yaoxin) Xinjiang Institute of Metallurgy and Statistics list of the first honorary president of the Council: Lee Han in the Presidents: the Xin Zhou, Vice President: Wang Wei, Feng Shan 32 Miles
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