Method for generating free-form surface turning tool path through control point drive projection
A technology of projection generation and turning tools, which is applied in the field of ultra-precision machining and complex parts manufacturing, and can solve problems such as machining instability and reduced efficiency of fast tool machining methods
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[0058] Taking the free-form surface z=0.1×sin(10x)cos(10y) as an example, use a cylindrical diamond turning tool with rake angle α=-10°, cylinder inclination angle β=20°, and cylinder radius r=0.3mm to process the free-form surface , the pitch of the equidistant helix is set to 0.25mm. The corresponding relationship between the tool control point X coordinate and Z coordinate and the rotation angle θ generated according to the tool path planning method proposed by the present invention is as follows: Figure 4 As shown in the figure, the dotted line in the figure represents the X coordinate of the tool control point, and the solid line represents the Z coordinate. It can be seen from the figure that the X coordinate and θ are in a linear relationship, indicating that when the C axis of the machine tool rotates at a constant angular speed, the tool in the X axis direction is The constant speed moves from the positive direction of the X-axis to the origin without reciprocating...
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