Knowledge graph is a technical method to describe the relationship between things in the objective world by using a graph model. It can effectively solve the problem of knowledge dynamic mining and management under large-scale data. Therefore, this paper focuses on the establishment of a coal mine equipment maintenance knowledge graph system by ...
view more2024520 · Using the Juang Ju 15M large-scale bag-making machine (economic cut), it is possible to save the valve opening area by sharing the valve openings. This means that the machine settings can be adjusted during the manufacturing process to effectively utilize the previously wasted valve openings, thus reducing material waste and increasing ...
view more2022610 · The results showed that operators using mining machinery for 8 hours were exposed to WBV levels below the EU limit (1.15 m/s2), while 44% of these operators were exposed to levels above the EU ...
view moreOur determination of “reasonable notice” will be based upon circumstances and your ability to contact via phone 303-278 -HELP (4357) or email. You return equipment without cables, manuals, or other components. You are expected to pay for lost, damaged or missing items, and you may be financial encumbered if you do not.
view more2021424 · SCU- MINING MACHINERY DGMS EXAM-2021. 24-04-2021. 3845. 0. Question Paper _ Key of DGMS SECOND CLASS UNRESTRICTED UNDER CMR - MINING MACHINERY. 1) The insulation of modern EHV lines is designed based on. A) corona. B) all of the above. C) switching voltage.
view more1 · 1. Caterpillar Inc. Overview: Caterpillar is a globally recognized manufacturer of heavy equipment, including bulldozers, excavators, and trucks used in large-scale mining operations. 2. Komatsu Ltd. Komatsu specializes in manufacturing mining equipment such as dump trucks, excavators, and loaders. 3.
view more202473 · Here's a general list of mining tools and equipment: Miner tools —tools that miners carry on them, like pickaxe and chisels. Mining PPE —equipment that miners use to stay safe while working. Surface mining equipment —all the tools and mining machines used for surface mining. Underground mining equipment —all the tools and mining ...
view more20151221 · Here’s a few of the industry’s most common types of equipment and why they’re important for the job. Mining Drills. Probably one of the most common pieces of mining equipment, drills are an important part of the underground mining operation. Underground mining is carried out when rocks or minerals are located at a fair distance …
view more2021101 · 1. Introduction. Recent years, the safety situation in China's coal mines has greatly improved, and the mortality rate per million tons has dropped from 4.94 in 2001 to 0.058 in 2020 (The State Administration of Coal Mine Safety, 2020).However, coal mine accidents still occur one after another, and the overall safety situation is still grim (Yin et …
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view moreBased on over 30 years' experiences in design, production and service of crushing and s
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