Tehnički vjesnik, Vol. 23 No. 6, 2016.
Izvorni znanstveni članak
https://doi.org/10.17559/TV-20151108221718
Optimization of high-precision cylinder manufacturing
Peter Eniko
; Difa d.o.o., Kidričeva cesta 91, 4220 Škofja Loka, Slovenia
Davorin Kramar
; Faculty of Mechanical Engineering, University of Ljubljana, Askarceva 6, 1000 Ljubljana, Slovenia
Sažetak
This paper deals with the reaming process optimization. The aim of optimization is that with controlled process suitable geometrical specifications could be achieved without final honing. To attain systematic improvements in manufacturing technology, transparent approach with the use of quality tools has been selected. SPC of bore cylindricity and surface roughness (Ra) of the original reaming process shows poor process capability and demonstrates shortcomings of the clamping device. Feed rate and spindle speed were identified as key factors in achieving required bore tolerances. Plan of experiments and process modelling was performed by DOE methodology. Regression analysis gives models for both responses, and they are adequate at 73 % and 96 % confidence level respectively. Optimization model was implemented in real production.
Ključne riječi
cylinder bore; Design of Experiments (DOE); honing; reaming; Statistical Process Control (SPC)
Hrčak ID:
169698
URI
Datum izdavanja:
29.11.2016.
Posjeta: 1.563 *