Xi'an Coal Mine Machinery Factory, which has a history of more than 50 years, is a large-scale backbone enterprise designed and manufactured by China's coal mining machine.
The newly developed 1910KW heavy-duty AC electric traction shearer is the largest coal-mining machine product installed in China. The machine adopts the latest international design concept. The overall layout is all horizontal layout of the motor and drawer frame structure. It adopts ultra-long hydraulic bolt fastening technology and intelligent monitoring of online fault self-diagnosis technology, and is equipped with a crushing mechanism. Up to 5.5 meters, the annual production capacity can reach up to 10 million tons.
Experts believe that the successful development of this model will fill a gap in the field of large-scale mining and ultra-high-power heavy-duty fully mechanized mining machinery in China, and raise the research and development technology of China's fully mechanized mining equipment to a new level, which can completely replace similar imported products. . It is reported that the first 1910KW heavy-duty AC electric traction shearer will be put into use in the Si Laogou Coal Mine of Datong Mining Bureau.
Chlorinated Polyethylene(CPE)
1. CPE is a kind of saturated rubber, which has excellent heat-resistant oxygen aging, ozone aging, acid and alkali resistance, and chemical resistance.
2. CPE has general oil resistance. Among them, it has excellent resistance to ASTM No. 1 oil and ASTM No. 2 oil, which is equivalent to NBR; and it has excellent resistance to ASTM No. 3 oil, which is better than CR and is equivalent to CSM.
3. CPE contains chlorine element, has excellent flame retardant performance, and has the characteristics of burning and dripping. It can be combined with antimony flame retardant, chlorinated paraffin, and Al(OH)3 in an appropriate ratio to obtain a flame retardant material with excellent flame retardancy and low cost.
4. CPE is non-toxic, does not contain heavy metals and PAHs, and it fully meets environmental protection requirements.
5. CPE has high filling performance and can be manufactured to meet various performance requirements. The processing performance of CPE is good, and the Mooney viscosity is available in a variety of grades between 50-100.
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