Yemelyanenko S. Increasing of finish milling process effectiveness by using dynamic stability providing of technological system

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0408U003765

Applicant for

Specialization

  • 05.03.01 - Процеси механічної обробки, верстати та інструменти

26-06-2008

Specialized Academic Board

Д 64.050.12

National Technical University "Kharkiv Polytechnic Institute"

Essay

Research subject is rough end milling, research aim is efficiency increasing of rough end milling by definition of high-productive cutting regimes, methods are work results, which were obtained based on theoretical and experimental researches; theoretical researches are based on scientific fundamentals of metal cutting theory, automatic control theory (ACT), vibrations and waves theory, theoretical mechanics and dynamics; adequacy of theoretical models and simulations (modeling) results was experimentally tested in laboratory environment; experimental researches were carried out based on modern methods; calculations and mathematical simulations (modeling) were carried out on computer; end milling dynamic system analysis by ACT methods were persented; novelty is development of mill tooth-workpiece force interaction prediction model, which can be used for straight tooth, helical tooth mills and carbide through-away tip mount mills; this model allows several teeth simultaneously milling, it is consideredcutting speed influence on cutting force and chip forming tine constant, non-linear cutting force dependence on cutting layer thickness, cutting force delay relatively cutting layer thickness; model adequacy was proved by comparison of dynamic stability theoretical boundary and experimentally obtained boundary; application - in the laboratory of Experimental student scientific-research institute of Sumy state university for joint-stock company "ROTOR" order (Sumy); branch - mechanical engineering

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