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- Title
SOWING MACHINES ACCELERATED TESTING OF DEEP SOIL LOOSENING MACHINE RESISTANCE FRAME.
- Authors
MATACHE, Mihai; VOICU, Gheorghe; CÂRDEI, Petru; PERSU, Cătălin; ANDREI, Sorin; DAVID, Evelin
- Abstract
Conception, design and fabrication of agricultural machinery, in modern age, cannot be achieved in competitive conditions without including in these activities the one of experimental research through field and laboratory testing. Acceleration of tests is a way of hurrying up the information obtaining regarding products behavior in conditions of economic efficiency. By accelerated testing concept we understand time compression and acceleration of braking mechanisms in a reasonable amount of time so that the products reliability will be evaluated. This concept is also applied to agricultural machinery testing, especially of those high stressed in exploitation. The paper will present the stages which have to be passed for design validation of a resistance frame from a deep soil loosening machine by applying an accelerated testing program within a laboratory unit. For this, we will present the real solicitations spectrum at which the machine is subjected in exploitation and the synthesized accelerated test program obtained using a Rainflow counting algorithm. Then, the deep soil loosening machine will be mounted on a specialized stand and will be subjected to strains according to the obtained testing program, with the final purpose of its resistance frame design validation.
- Subjects
SOWING equipment; ACCELERATED life testing; AGRICULTURAL equipment; ECONOMIC efficiency; ALGORITHMS
- Publication
Acta Technica Corviniensis - Bulletin of Engineering, 2015, Vol 8, Issue 3, p21
- ISSN
2067-3809
- Publication type
Article