Four-axis turning path planning method, system, device and readable storage medium

Abstract

The application discloses a four-axis turning path planning method, system, device and readable storage medium. The method specifically comprises the following steps: based on the turning feed speed along the y-axis direction, an intersection point of a plane perpendicular to the y-axis at a feed position at time t and each edge of each triangular facet constituting a workpiece geometry is obtained; based on the rotation angle of the c-axis, the coordinates of the intersection point at time t and the normal vector of the triangular facet where the intersection point is located are calculated; the intersection point with the maximum z-axis coordinate at time t is taken as a tangent point, and based on the coordinates of the tangent point and the normal vector corresponding to the triangular facet where the tangent point is located, the coordinates of a tool tip point at time t are calculated; and based on the coordinates of the tool tip point at each time, a turning track is generated. Compared with the prior art, the position of the c-axis is not limited, and the application can be applied to special-shaped turning of a rotating shaft outside a workpiece body. In addition, the STL format does not need to be further converted into the STP format, and operation resources are saved.

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