Duplex helical method will be an advanced and primary manufacturing method of Gleason spiral bevel and hypoid gears and replace five-cut process for its characteristics of higher efficiency, lower cost and power dry cutting. In order to reveal the universal theory of spiral bevel and hypoid gears generated by the duplex helical method, the different working mechanisms of blade angle and tilt angle in the five-cut process and duplex helical method is researched and the major idea in the completing theory is revealed based on the analysis of cutting principle for the five-cut process; In addition, the roles and characteristics of the helical motion are analyzed during machining, the correlation rules between the curvature at the reference points and the helical motion velocity coefficient are revealed by deriving the curvature equations at the reference points of pinion surfaces, and the influence rules between the helical motion velocity coefficient and the meshing performance are discussed by using tooth contact analysis (TCA); Finally, the impacts of blade pressure angle and cutter radius on the major and minor axis semi-diameter of the tooth contact ellipse are studied by using the numerical method, the influence mechanisms between cutter parameters and tooth contact characteristics are established. The research work provides a theoretical basis for optimizing its machining parameters.
ZHANG Yu
,
YAN Hongzhi
,
ZENG Tao
,
WANG Zhiyong
. Influence Mechanisms Between Helical Motion Velocity Coefficient and Cutter Parameters and Characteristics of Tooth Surface Generated by Duplex Helical Method[J]. Journal of Mechanical Engineering, 2018
, 54(5)
: 53
-61
.
DOI: 10.3901/JME.2018.05.053
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