Wheel orientation calculation for helical rake flank sharpening of broaching tools

Jia, Ke; Guo, Junkang; Ma, Tao; Kaigang, Nan; Hong, Jun; Zhang, Lei

doi:10.1007/s00170-020-06451-y

Cited by 6 publications

(2 citation statements)

References 23 publications

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“…According to the geometry constraint relationship between the grinding wheel and the helical flute, and in order to avoid the grinding process interference, the posture parameters range of the grinding wheel could be expressed in Eq. (9).…”

Section: Calculation Of Grinding Wheel Profilementioning

confidence: 99%

“…Zhang et al [8] studied a method for modeling and optimization of the micro-drill flute considering the wheel setting angle and the offset distance from the wheel origin to the drill blank origin. Jia et al [9] developed a grinding wheel orientation calculation method that combines the specific process for helical rake flank sharpening with discrete enveloping theory. Li et al [10] analyzed the influence of the parameters and posture of the grinding wheel on the parameters of the helical flute, and an algorithm to iterate the posture and geometric parameters of the grinding wheel for the helical flute with variable core radius was proposed.…”

Section: Introductionmentioning

confidence: 99%

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An optimized calculation method of the grinding wheel profile for the helical flute grinding

Jiang¹,

Yang²,

Li³

et al. 2023

Preprint

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Forming grinding process is a crucial method for grinding the helical flute of end mills, and the calculation of the grinding wheel profile is the key to ensure the precision of the helical flute, which is constrained by grinding wheel posture and helical flute profile. However, the current calculation method has not done enough research on the estimation of the feasibility and validity of the grinding wheel profile, which could lead to contradiction between theoretical calculations and practical application. In this paper, an optimized calculation method of the grinding wheel profile for the helical flute forming grinding is proposed, which includes the calculation, analysis and optimization process. Firstly, the parameters of the helical cutting edge and the flute surface are defined, and accurate geometrical models are established. Secondly, the contact condition between the grinding wheel and the flute surface is deduced to calculate the grinding wheel profile by the envelop theory. Thirdly, an optimization method, including profile optimization and grinding wheel wear optimization, is proposed for the calculation of the grinding wheel profile. Finally, the method is verified by simulation machining and the results show that the method can improve the grinding precision and expand the application range of forming grinding technology in helical flute grinding.

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Section: Calculation Of Grinding Wheel Profilementioning

confidence: 99%