瑞典摩根哈迈公司(Morgardshammar AB)发展了一种新的椭圆运动的水平筛,现已在欧洲大陆出售(图1)。这种自同步水平筛的传动装置没有齿轮箱,对于以前的直线筛这是不可能的。这种新的传动是根据一项特别专利产生的。这台筛子在瑞典以它最可靠的新结构和最大的规格获得 Morgardshammar AB, Sweden, has developed a new horizontal sieve for oval movement that is now sold in the European continent (Figure 1). This self-synchronized horizontal screen gearbox has no gearboxes and is not possible with previous linear screens. This new drive is based on a special patent. This sieve was obtained in Sweden with its most reliable new structure and largest specification