Stereoscopic type of slow-opening gear
2019-03-06 04:04:04
Run the line command, find the intersection of the involute and the index circle and click, find another click on the index circle facing away from the involute curve direction, and then execute the smart dimension command and select the command to modify the line length to E67E ( The tooth thickness and the groove width of the indexing circle are both 76E7). Perform the line to draw the vertical line of the line segment drawn in the step. Execute the free curve command, draw a free curve that simulates the involute on the basis of the involute (only the part between the top circle and the root circle) and delete the original involute.
Select the involute of the simulation, execute the mirror command, and copy the simulated involute with the vertical line obtained in the step as the axis of symmetry. Delete all lines and curves on the view except the contours that make up the slot. Perform a rounding command to round the root of the cogging contour. Click the button in the 3D part drawing environment.
The resulting profile of the cogging section is shown in the figure. The generation of the rear wheel revolving body, the generation of the spline groove, and the generation of the teeth are all basic operations, which will not be described in detail here. The effect of the gear 1 after the shape is completed is shown in FIG. It must be stated that the generated involute line is used to construct the 'cogging section profile'; the three-dimensional solid gear of the spur gear has a particularly large space, and the three-dimensional model of the simple gear shown in Figure E is close.
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