Application of SIEMENS Radius Parameter Value TC_DP6 in Parameter Programming (4)

The height position of the tool tip is as follows:

R5 parameter edge - bevel height variable - tool radius

Figure 4: Triangle formed by the tool and the bevel

Figure 5: Schematic diagram of the height variable

Figure 6: Radius Variable Schematic

    From Fig. 5 and Fig. 6, it can be concluded that the ball cutter is at the lowest point of the machining bevel when the center of the ball is at point A. At this time, the radius compensation value is the initial value, and the initial value is not equal to the radius of the ball cutter but equal to the ball. The R6 parameter value of the right angle side of the triangle formed by the knife and the inclined surface indicates that as the tool is lifted layer by layer along the lowest point of the oblique side, the tool at each height should be continuously changed with the tangent radius compensation value. The heart continues to move inward, causing the radius compensation value to keep decreasing.

As shown in the position map of the center of the sphere, the change in the radius value can be seen:

Point A: radius compensation value = R6,

Point B: radius compensation value = R6-L1

Point C: radius compensation value = R6-L2

Point D: radius compensation value = R6-L3,

Point E: radius compensation value = R6-L4,

Point F: radius compensation value = R6-L5,

It is estimated that a negative value of the offset value may occur when the distance the ball moves inward and the initial value of the radius compensation value.

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