Volume 29 Issue 5
May  2014
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ZHOU Chang-jiang, ZHANG Cheng, TANG Jin-yuan. Modeling and calculation of impact of mesh-out at corner contact in gear drive[J]. Journal of Aerospace Power, 2014, (5): 1205-1210.
Citation: ZHOU Chang-jiang, ZHANG Cheng, TANG Jin-yuan. Modeling and calculation of impact of mesh-out at corner contact in gear drive[J]. Journal of Aerospace Power, 2014, (5): 1205-1210.
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Modeling and calculation of impact of mesh-out at corner contact in gear drive

  • 1. National Engineering Research Center for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082;

  • 2. College of Mechanical and Electrical Engineering, Central South University, Changsha 410075, China

  • Received Date: 2013-03-10
  • Publish Date: 2014-05-28
    Abstract
  • Based on the mechanism analysis of impact of mesh-out at corner contact in gear transmission,a calculation model including system equivalent error and teeth synthetic deformation was established on the line of meshing.The synthetic deformation of the point in mesh-out beyond the normal path was reversed,on basis of meshing theory and the curve of gear deformation and load-history.By combining the system equivalent error with the teeth synthetic deformation,the point of mesh-out at corner contact and the impacting point were determined.Given uniform normal velocity at meshing points,the minimum rotation speed of the driven gear in mesh-out at corner contact and the impact velocity were solved.And then the impact force of mesh-out at corner contact was confirmed.The example calculation shows that,the impact force of mesh-out at corner contact is 70% to 80% of that of mesh-in at corner contact; namely,the impact of mesh-out is smaller than that of mesh-in.It verifies that impact in mesh-out and mesh-in has a different effect on "mesh synthetic base pitch error".

     

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