摘要(英) |
The finish machining of mass production of beveloid gears are generally conducted through worm processing, which costs relatively higher than gear honing. Gear honing process is used to do the tooth modification, in order to achieve lower noise and improve the contact pattern of the gear pairs. The durability of the honing wheel also reduces the cost of production. Based on the advantages, a mathematical model for fine machining of beveloid gears by CNC internal honing machine is proposed to obtain the tooth flank topology and the normal deviation. By comparing the above results with the profile from the references, the feasibility of the mathematical model for fine machining of beveloid gears by CNC internal honing machine can be verified. Then, a swivel angle of honing wheel is also added to the mathematical model, which enables it to crown the beveloid gear surface and improves the gear contact pattern. The normal deviation of the tooth surface topology is then calculated and compared with non-crowned beveloid gear surface. The differences between crowned, non-crowned, spur and helical beveloid gears are then discussed. The normal deviation on the tooth topology are imported into KISSsoft to show the distribution of gear contact. |
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