这是日本前川工业制作所生产的前川牌滚筒式碎石机。该机用橡胶轮胎传动,与以往的齿轮传动相比,振动和噪音大为降低,通过轮胎的空气调节,缝隙调节范围也较齿轮式宽得多。它能生产供道路、建筑工程等使用的粒料,也能生产铺沥青路面的微粒粒料和细砂。 This is a former Maekawa industrial production Qianchuan brand roller crusher. The machine uses rubber tire transmission, compared with the previous gear transmission, vibration and noise greatly reduced, through the tire air conditioning, gap adjustment range is also much wider than the gear. It produces pellets for roads, construction works, etc., as well as pellets and fine sand for paving asphalt pavements.