Study on Process Parameters of Low Frequency Torsional Vibration Tapping of Difficult to Cut Materials

Abstract:

In order to provide references for the application of low frequency torsional vibration tapping, three typical difficult to cut materials 30CrMnSi, GH4169 and TC4 were selected to carry out experiments. Experiment results show that net cutting angle L_T and backoff angle L_G have great influence on tapping torque, and the process parameters should be selected reasonably according to material characteristics and combining with tapping efficiency. Larger L_G and smaller L_T should be selected for materials with small elastic modulus such as TC4. Smaller L_G and larger L_T can be selected for materials similar to 30CrMnSi. For materials similar to GH4169, parameters should be selected between that of TC4 and 30CrMnSi.

• Periodical: Advanced Materials Research (Volumes 712-715)
• Pages: 719-724
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.712-715.719
• Online since: June 2013
• Authors: Feng Qi Han*, Zhi Zun Li, De Yuan Zhang
• Keywords: Difficult-to-Cut Material, Low Frequency Torsional Vibration Tapping, Process Parameter, Tapping Torque

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