弯管的坐标矢量计算和加工弯管加工中，管件形位尺寸及空间角度的计算方法有立体图法、球面图法、投影法、坐标旋转法等，但这些运算均较为繁琐。经多年实践，我们掌握了一种矢量坐标计算方法，这一方法是将管件设置在一空间直角坐标系中，则工件上的任一点具有相应的坐标... Curved pipe coordinate vector calculation and processing Bending pipe processing, tubular shape size and spatial angle calculation methods are three-dimensional map method, spherical map method, projection method, coordinate rotation method, but these operations are more complicated. After many years of practice, we have mastered a vector coordinate calculation method, this method is to set the pipe in a rectangular Cartesian coordinate system, the workpiece at any point with the corresponding coordinates ...