coal grab 中文意思是什麼

coal grab 解釋
抓煤機
  • coal : n 1 煤,煤塊,煤堆。2 〈pl 〉〈美國〉(一堆)燒紅的煤。3 〈常 pl 〉〈英國〉(幾塊)供燃燒的煤。4 ...
  • grab : vt (grabbed; grabbing)1 攫取,抓取;抓住。2 搶奪,霸佔。3 〈俚語〉對…產生強烈的感情影響。4 〈美...
  1. The frozen coal destruction is the tension stress destroys, and establish the frozen coal cutting model in this foundation, obtains the cutting force, feeding force, tooth spacing according to the smallest energy principle. bring forward a rotary drilling mothod to unload the frozen coal, the broken ability is strong, without frozen depth limits, then obtains this machine working parameters, has combined this method with a grab and determined the plane of vehicle - carried rotary drilling movable coal - unloader

    凍煤破壞是拉應力破壞,在此基礎上建立了凍煤的切削模型,根據最小能量原理得到截割力,進給力和截齒間距的計算公式,分析得到截割力與切削厚度成正比,隨著前角的增大而減小;截齒最優截距與截齒尺寸有關且與切屑厚度成正比;進給力隨著截齒前角增大而增大的規律。
  2. To grab and handle sand coal, sediment, etc, this kind of equipment is fit for using in factories, mines, construction site, ware - houses

    本機適用於工廠、礦山、建築、倉庫等。對砂石、煤灰、積沉物以及塊狀物的抓取運轉作業,具有性能優越,工作可靠,高速高效等特點。
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