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Support high-speed machining to support high-speed cutting technology, improve product accuracy, reduce the number of codes, and increase processing quality and efficiency. Parametric trajectory editing and trajectory batch processing CAXA manufacturing engineers' trajectory re-generation function can realize parametric trajectory editing. Users only need to select the existing CNC machining trajectory and modify the original defined machining parameter table to regenerate the machining trajectory.
Cylindrical spur gear model establishment of cylindrical spur gear parameters: (unit mm) modulus m3 number of teeth Z32 tooth angle 20 degrees circle diameter D points = mZ96 base circle diameter D base = D points cos902 tooth top garden diameter D top D 2m102 tooth width B30 involute polar coordinate equation = D base tan(t)(0t30)22 Operation steps 1) Select 3D CAXAxp manufacturing engineer software: Click the icon to open the software interface 2) Draw according to the measured gear parameters: Select XOY Plane, click on the sketch. D base = D points cos (D points = mZ, cos094), D top D points 2m (1) in the f (x) selected polar input curve equation: = D base tan (t) 0t30. (2) base circle It is divided into 2Z points, which intersects the X-axis positive direction at 1 point, close to 1 point and rotates counterclockwise to 2 points.
(3) Take the involute line in the f(x) icon, and take the end point to connect with the 1 point; then make the plane image of the original involute to the X axis, and take the end point to connect with the 2 points. (4) Cut off the extra lines to make the graph a single-toothed outline. (5) Perform an array to form a full tooth contour and check for a split ring. (6) Dig the inner hole and the keyway.
Simulating the machining process Simulating the machining operation steps 1) Click on the relevant line to pick up the gear outline in one plane. 2) Select menu to apply the trajectory to generate plane contour processing, select parameters: based on the top surface, the milling cutter has a height of 5mm per layer (milling), a total of 30mm in 6 layers, and a machining accuracy of 001mm. In order to determine the cutting amount, in order to be true Simulation, delicate machining, set the spindle speed to 100r/min, cutting speed 80r/min; milling cutter parameters are tool radius 05cm, corner radius 025cm and so on. 3) According to the lower left prompt, select the direction of the machining, and generate the trajectory line for the infeed and retract points. The line outside the gear in the figure is the trajectory line, which is distributed in 6 layers.
Conclusion 1) The integrated manufacturing process of CAD/CAM is realized by CAXA (Mechanical Manufacturing Engineer) software. 2) The software display model is clear and the parameters are expressed correctly; in the simulation manufacturing, the tool, cutting amount and cutting layer parameters can be adjusted according to the actual parameters of the workpiece, and the machining process can be simulated. 3) Automatically generate G code and convert it into txt file, which can be directly input into the machine tool, observe its processing track, provide digital service for the actual machining process, and play an active role in protecting the numerical control equipment.