Abstract

The results of the research of the vibrations influence are raising in the cutting zone on the output properties of the cutting process are represented. The results of the mathematical modeling of the dynamic cutting system are represented in which the controlling oscillatory displacements are raised. The system is considered as the unity subsystem of the tool and the detail are interacting through the processing. It is shows that the additional vibrations transform in the geometry topology of the forming surface as the result of the complex nonlinear interaction of the oscillations and the forces. The additional oscillations can cause as improvement of accuracy, quality and intensity of the tool wearing as deterioration of output process characteristics depending on the parameters of the vibration (amplitude, frequency and orientation). The results of the research of the oscillations influence on the quality of the surface and the power of the irreversible transformations which characterize the cutting process state are represented.

Highlights

  •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

  • LQFOXGLQJ WKH GHIRUPDWLRQDO GLVSODFHPHQWV OHDG WR VORZ SHULRGLF FKDQJHV RI WKH YDULDWLRQDO HTXDWLRQV UHODWLYH WR VWDWLRQDU\ WUDMHFWRULHV $W WKH RVFLOODWLRQV LQ GLUHFWLRQ ; WKH PRVW VHQVLWLYLW\ RI WKH G\QDPLF V\VWHP WR FKDQJH KHU SURSHUWLHV LV REVHUYHG VLQFH WKH FRQWDFW OHQJWK RI WKH PDLQ FXWWLQJ EODGH ZLWK ZRUNSLHFH FKDQJH 7KHUHIRUH WKH SHULRGLF FKDQJHV RI WKH V\VWHP SDUDPHWHUV DORQJ WKH WUDMHFWRU\ RI WKH ©VORZa PRWLRQV DUH REVHUYHG 7KH WUDQVIRUPDWLRQV RI WKH DWWUDFWLYH VHWV OLNH WKH OLPLW F\FOHV WKURXJK FDVFDGH RI WKH ELIXUFDWLRQ RI WKH GRXEOLQJ SHULRG WR WKH FKDRWLF RVFLOODWLRQV ILJ ©Da DUH SRVVLEOH LQ GHSHQGLQJ RQ WKH URRWV GLVWDQW RI WKH FKDUDFWHULVWLF SRO\QRP RI WKH OLQHDUL]HG YDULDWLRQDO HTXDWLRQ DORQJ WKH WUDMHFWRU\ $OO VWDJHV RI WKHVH WUDQVIRUPDWLRQV SHULRGLFDOO\ UHSHDW ,Q WKH IUHTXHQF\

  • UDQJH : DW ILUVW WKH SDUDPHWULFDO HIIHFW LQFOXGLQJ WKH SHULRGLF ORVV RI WKH VWDELOLW\ ZLWK LQFUHDVH RI WKH URWDWLRQ IUHTXHQF\ DUH REVHUYHG 6HFRQGO\ WKH HIIHFW RI WKH LQWHUDFWLRQ LQSXWWLQJ RVFLOODWLRQV ZLWK VHOIRVFLOODWLRQV LV REVHUYHG LW FDXVHV WKH V\QFKURQL]DWLRQ RI VRPH SHULRGLFDO PRWLRQV DQG HOLPLQDWLRQ RWKHU DQG WKHLU DV\QFKURQRXV LQWHUDFWLRQ 7KLUGO\ WKH VHOIH[FLWDWLRQ RI WKH IUDFWLRQDO RUGHU ILJ ©Ea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

Read more

Summary

Introduction

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

Results
Conclusion
Full Text
Published version (Free)

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call