METHOD AND APPARATUS FOR PRESSING-IN PARTS Russian patent published in 2002 - IPC

FIELD: machine engineering, possibly automatic assembling operations. SUBSTANCE: method comprises steps of applying static pressure to joined parts by means of press; creating elastic oscillations of both joined parts by means of system for exciting elastic oscillation; at process of pressing-in changing frequency of elastic oscillations for providing resonance mode; successively (depending upon linear relative motion of parts) measuring current values of dynamics coefficient; comparing measured values with reference value of dynamics coefficient in order to judge quality of pressing-in. System for exciting elastic oscillations includes oscillator connected with part vibrators having on their ends supporting envelopes. Supporting envelopes have working surfaces equidistant relative to surfaces of housing and to crosspiece of press equipment. System also includes vibration pickup whose outlet is connected with matching amplifier and low-frequency filter connected with frequency meter and with vibration amplitude meter. Outlet of the last is connected with unit for detecting resonance mode and with first inlet of program unit. Second and third inlets of program unit are connected with outlets of unit for detecting resonance mode and frequency meter respectively; its forth inlet is connected with movement pickup. First outlet of program unit is connected with unit for outputting information; second outlet is connected with oscillator. EFFECT: enhanced reliability of controlling quality of pressing-in. 2 cl, 2 dwg