convexo-concave

Analysis of elderly people s discrimination capability on bumpy roads;

老年人路况凸凹识别能力的检测与分析

The settings of the basic parameters including the slope angle, the pre_slope angle and the threading hole position in wire cutting for simultaneously manufacturing the punch and matrix were introduced.

介绍了一次成型凸、凹模线切割加工时斜度角、预斜角和穿丝孔位等基本参数的设置 ,并结合实例和实践经验对其计算和线切割编程处理进行了分析 ,在线切割机上运行结果表明 ,该方法是有效和可靠