1产品性能要求近年来国内低智能装备化的老旧煤矿逐步淘汰,而新疆、内蒙古等地大储量露天煤矿的开发得到行业的重点支持,由此加快煤矿装备制造业技术创新与结构调整迫在眉睫。为了改变长期以来该领域不少装备及材料技术工艺水平不高,部分重大的煤 1 Product performance requirements In recent years, the domestic low-intelligent equipment of the old coal mines gradually phased out, while Xinjiang, Inner Mongolia and other places large open-pit coal mine development has been the industry’s key support, thus accelerating technological innovation and structural adjustment of coal mining equipment manufacturing is imminent. In order to change a long time in the field of many equipment and materials technology is not high level of technology, some of the major coal