When the machine tool cancels the cradle, the eccentric mechanism, and the slanting cylindrical gear, when the bevel gear is machined, the cutter head rotates on one side, and the circular trajectory is circulated around the center of the imaginary cradle in the xy plane, so that the flat top gear can be formed. For processing bevel gears. If the cutter head is rotated on one side and the translation is performed on one side (this is easy to implement on a CNC machine), a rack-shaped rack can be formed for machining the helical gear. In fact, in the processing of long taper gears, in order to overcome the difficulty of the rocker radius exceeding the machine tool specifications, some machine tools have a new mechanism that can vertically move the workpiece head frame to ensure that the relative motion is constant, but the range of motion is small. .
Solution: Let C1, C2, find r1 and r2 from equation (3) and equation (7); find e2 and e1 from equation (4) and equation (5); find from equations (1) and (2) H1, H2; E. from equation (9), and finally into equations (6) and (8), see if rc=r0, W1=W0, so the original 8-element nonlinear equations are reduced to 2-element nonlinear equations. group.
Machining adjustment of hypoid gears According to Oliver's first method, a conjugate tooth surface can be formed by means of a common profile. While the gears 1, 2 are given a given motion, the tool curved surface moves relative to the frame in a defined form, forming a tooth surface 1 and a tooth surface 2, respectively, and the two tooth surfaces are conjugate.
In the contour gear transmission, the easiest is to take the two-section cone-cut plane O1O2M as the sway plane. Generally, when the large gear is machined, the cone top coincides with the center of the cradle, and the same gear surface is moved when the pinion is machined. The vertical wheel position and the horizontal wheel position during installation are: L2sinE.-(L1-L2cosE.) Introduce the coordinate system of the production rack and the coordinate system of the cutter head.
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