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Abstract
The experimental analysis of interdependent vi-bratory alignment of the shaft and bushing type parts of rectangular and circular cross-section is carried out, using the passive compliance devices of different construction. An experimental setup for vibratory assembly was mounted, when the shaft is fixed in the passive compliance device and pressed by predetermined force towards the bushing, which is based on the vibratory platform and subjected to vibratory excitation along the axial direction. The alignment duration dependencies on axial misalignment, frequency and amplitude of vibrations and initial pressing force of the device were made. DOI: http://dx.doi.org/10.5755/j01.mech.20.2.6945
Highlights
To compensate the errors of the mutual location of the components in assembly position, two basically different methods, i.e. active and passive compliance, are used [1, 2]
When active method is used, the assembly devices and systems are equipped with the means of adaptation
Passive method is based on the compliance of the assembly devices or kinematic elements, which may be mounted at the end of the manipulator or locating device
Summary
To compensate the errors of the mutual location of the components in assembly position, two basically different methods, i.e. active and passive compliance, are used [1, 2]. When active method is used, the assembly devices and systems are equipped with the means of adaptation. The sensors are mounted in the feedback circuits to ensure the control of the mutual position of the components, forces and moments arising during the joining and to form the control signals for the additional displacement of the robot links or components fixing devices. The devices based on this method have characteristic of high reaction, they are relatively inexpensive and simple, because there is no need to use sensors, feedback systems, positioning actuators and complex control algorithms. By using the devices of passive compliance, it is possible to ensure only the automated assembly of the components with chamfers, which predetermine the allowable part-to-part misalignment error
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