Abstract
It is proposed that the complex molding process and the scanning process should be unified through the differential envelope principle. After scanning the surface of the part with the contact sensor, the contour coordinates of the measured surface are calculated by the trajectory of the center of the ball, and the contour data of the complex linear surface is extracted. Then, the intelligent analysis and calculation of precision generating surface parameters and quantitative adjustment are carried out, and the exact reverse method of the special line parts with characteristic parameters is studied. There is only micron scale difference between the reverse result and the nominal value. This technology is applied to the closed-loop manufacturing process of gear parts, which reduces the dependence on the artificial experience when the machining parameters of the cylindrical gear processing equipment is adjusted and provides an effective solution for the digital and intelligent manufacturing of the parts.
Highlights
Measuring equipment measurement link to the processing link
After the completeness of detection, the measurement results are converted to the recognizable compensation parameters by the numerical control system, and the compensation parameters are fed back to the CNC machine tool through the network interface to realize the compensation processing [11]. e other is converting the measurement data into the feedback amount of the closed-loop control of the servo unit of the processing equipment and directly controlling the servo motor to realize error compensation [12]. is involves the integration of machining parameters and measurement results [13], which means that the test results and the input parameters of the machine tool need to be unified
After the initial measurement of the modulus m, the pressure angle α is completed in accordance with steps (1) and (2), and the reverse mapping of the helix angle β can be started. e process of operation is as follows: moving the probe to position of the base circle radius rbof the measured gear, the controls the rotary axis (C-axis) is manually controlled to drive the measured gear to rotate until the probe and the measured gear generate a certain amount of compression, and the linkage between the C-axis and the Z-axis is controlled by software
Summary
According to the conventional razor-pulling processing method for cylindrical gears, if the basic parameters such as the number of teeth, the modulus, the pressure angle, the helix angle, and the variation coefficient are determined, the processing of the involute cylindrical gear can be realized [23]. E accurate measurement and analysis system of cylindrical gear parameters can solve the above problems well and provide a method for the accurate reverse adjustment of tooth surface machining. Custom analysis technology for actual tooth profile is researched and implemented, which can further extract the modified tooth surface data, and a stable and reliable basis for the precise adjustment of the gear processing parameters and the accurate control of the tooth surface modification amount is provided
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