Use of the JM-SPC software to statistical control of high pressure die casting production-attribute valued data type
Journal Title: Archiwum Odlewnictwa - Year 2009, Vol 9, Issue 3
Abstract
A new version of the JM-SPC computer program written by J. Mutwil in Delphi for statistical control of production processes is presented. All changes have been by users suggestions caused. For the attribute valued data type most of new features have been joined to data introducing option. In this way the program allows to consider a wider data spectrum. Usefulness of the introduced solutions for statistical analysis of the attribute valued data type gained from real processes has been presented on the example of Al-Si high-pressure die casting production. The analysis refers to a serial produced casting and includes: 1) the analysis of defect fraction in sample (by using the p-chart), 2) the analysis of relative differences in importance of each defects categories (by using of the Pareto diagram).
Authors and Affiliations
J. Mutwil, A. Jurewicz, Ł. Kremens, P. Gruszczyński
Keywords
Related Articles
- EP ID EP72013
- DOI -
- Views 86
- Downloads 0
Computer aided process of dimensional distortion determination of bounded plaster sandmix
A computer program allowing calculation of dimensional changes of mould made of silica-gypsum composition in process of its heat treatment and preparation for molten metal casting is presented in this paper. The composit...
Bainitic-martensitic nodular cast iron with carbides
In this paper the possibility obtaining of upper bainite, lower bainite and martensite or their mixture in nodular cast iron with carbides has been presented. Conditions have been given, when in nodular cast iron with ca...
Corrosion behaviour of the AlSi6Cu4 alloy and cast AlSi6Cu4-graphite particles composite
The corrosion behaviour of the AlSi6Cu4 alloy as a composite matrix and of composites with 8% vol. of graphite particles was investigated. The corrosion experiments were performed over a range of elevated temperatures an...
Criteria of an Advanced Assessment of the Reclamation Process Products
Reclamation of spent moulding and core sands has been defined as a treatment of used moulding refractory materials, enabling a recovery of at least one of the components - of properties similar to the ones of the fresh c...
Kinetics of hardening of ceramic layers applied in the investment patterns method
The work presents results of investigations of a hardening rate of ceramic moulds applied in investment patterns method. During the studies, the original method based on the ultrasonic technique, and a novel testing rout...