论文部分内容阅读
锯齿形螺纹由于具有较大的强度和较高的传动效率,所以,在锻压机械、螺旋压力机、轧钢机等传递单向动力的地方,采用得比较广泛。由于锯齿形螺纹牙形的不对称性,牙形的概念容易搞混,搞错,在车制新件的时候,常会因为样板错误而影响工件质量,甚至报废。所以,制作精确的螺纹样板,用以指导加工,是车制出合格的锯齿形螺纹的一个重要条件。如图1截面所示,锯齿形螺纹牙形的主要尺寸如下:
Serrated thread because of greater strength and higher transmission efficiency, so forging machinery, screw presses, rolling mill and other places to pass one-way power, the use of more widely. Due to the asymmetry of serrated thread shape, the conception of tooth shape is easy to confuse and make mistakes. When new parts are made in the car, the quality of the workpiece is often impacted due to the wrong model, or even scrapped. Therefore, the production of accurate thread template, used to guide the processing, the car is made of a qualified serrated thread an important condition. As shown in the cross-section of Figure 1, the main dimensions of a serrated thread profile are as follows: