This paper analyses the existing problem of coal winningmachine cutting part, puts forward improving propose.
分析了采煤机截割部存在的问题，提出改进建议。
2
According to the cracking trouble of MDY-150 chainless haulage winningmachine travel wheel's supporting base in working progress of working face, puts forward hanlding method.
Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winningmachine. This paper discusses its developing vista in extremum thin seam mining.