| 摘要 |
<p>The chuff-cutter has a cutter head (3) that is provided in cutter housing (2). The cutter housing is provided with housing-fixed counter-blade (13). A friction base (7) is rotatably driven in rotation with stop portions (8). The stop portion of friction base is made of composite material. The support element (10) is made up of primary material such as weldable material. The wear element (9) is made up of secondary material such as hard metal. The secondary material of wear element is mixture of carbides or oxides or nitrides of base materials.</p> |
