Using the Statistical Tools in Machine´s Capability Evaluation – Part 1
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Data
2013Autor
Lestyánszka Škůrková, Katarína
Nemec, Matej
Kosnáčová, Petra
Marková, Petra
Metadane
Pokaż pełny rekordStreszczenie
As first as we are able to set up some apparature to process it is necessary to
find up if this apparature is in progress of capability and if it is able to made produce in
our demanded parameters. The main point of statistical evaluation lie on that variability of
process can be on one cause – machine composition. Capability of measured apparature is
assess by Cm and Cmk indicator. As the results showed, the pressing machine is not
capable for injection, the index Cm=3,52 and Cmk=1,51, because the index Cmk is lower
that value 1,67. Therefore it is necessary to apply the correction actions and after them
check the machine´s capability again. After correction actions were calculated values of
scrap index for finding if the pressing machine is capable to produce in demanded
parameters. The scrap index was 0,728%, which is lower than one month before. So we
can consider the machine as capable.
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