Tooth profile positioning method and tooth profile positioning control system
A positioning method and positioning control technology, applied in the direction of gear teeth, toothed components, belts/chains/gears, etc., can solve problems such as the inability to quickly and effectively realize precise tooth profile positioning, and improve the flexibility of machining processes , shorten the positioning time of the tooth profile, and improve the positioning accuracy
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[0065] In this embodiment, a certain axis is taken as an example, and the tooth shape positioning is carried out in a four-axis machining center. The tooth shape of this axis is characterized by a small tooth thickness on both sides and a large middle tooth thickness. , it cannot be finished by conventional methods such as gear shaping, hard hobbing, shaving, grinding, etc., so the final solution is to use a small hob (to avoid interfering with the transition part of the tooth thickness) for rough machining, and then Finishing is done on a machining center with a form milling cutter. Precise gear positioning is required before forming milling cutters for finishing. The tooth profile parameters after rough machining are shown in Table 1:
[0066] Table 1. Known tooth shape parameters after hobbing
[0067] name value Number of teeth Z 22 Modulus m 3 pressure angle α 30° Addendum circle diameter df 69.4 Root garden diameter db 60.7 ...
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