A New Computational Envelope Solution for Helical Gear Disc Tool Profiling
Received: 13 May 2024 | Revised: 29 May 2024 | Accepted: 31 May 2024 | Online: 5 June 2024
Corresponding author: Long Hoang
Abstract
This paper presents a new computational envelope solution for profiling the helical gear disc tool. It uses the normal projection of the disc tool axis onto the helical gear surface to generate the characteristic curve and then automatically computes the geometric data of the characteristic curve to create the disc tool in 3D solid form. As a popular profile, the ISO heliacal gear was a typical proper example to verify and clarify the proposed solution. The solution can quickly create the helical gear disc tool in 3D solid form with high accuracy. The 3D comparison average error of the helical gear disc tool surfaces generated by the proposed solution and the Boolean method is 0.004 mm, and the RMS error is 0.009 mm.
Keywords:
computer aided design, disk tool, gear grinding, characteristic curve, singular point, envelope methodDownloads
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