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In the machining of gear-type workpieces, the parts are mounted in the appropriate position on the machine table, and the parts are clamped by the pressure plate.
A conductive probe is mounted on the main shaft of the machining center, and the probe is probed into the center hole of the part. When the probe is in contact with the surface of the part, a method for prompting the sound and light signal is generated, and the center hole is measured in the X coordinate direction. The mechanical coordinate values ​​of the two points and the mechanical coordinate values ​​of the two points in the Y coordinate direction are respectively added by the coordinate value in the X direction and the coordinate value in the Y direction by 2, and the mechanical origin coordinate value of the center of the part is obtained. .
The data is continuously measured in the X direction or the Y direction by the conductive probe installed in the spindle of the machining center. The coordinates of the three points are measured. The measured coordinate values ​​of the three points are relative to the actual points on the tooth profile. The coordinate value at the center of the part.
On a computer with CAD design software installed, the part drawing is drawn first, and the size of the tooth shape of the part is modified according to the machining allowance of the part, and the blank drawing before the finishing of the part is made. Then, with the center of the part as the origin, the measurement data points are marked on the blank map according to their coordinate positions.
Due to the different angles of rotation, the measured data points may not be on the tooth profile of the part. At this point, the blank drawing of the part is rotated around the origin of the part, so that the measuring point is tangent to the surface of the blank (note that the two points opposite to the same toothed surface are tangent to the part blank or the gap between the two sides is uniform).
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