Temat: foundry models - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The influence of ingate size on the lost foam casting process
Autorzy:: Pacyniak, T.
Kaczorowski, R.
Powiązania:: https://bibliotekanauki.pl/articles/382861.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: przemysł odlewniczy
tracona piana
powłoka ochronna
foundry engineering
lost foam
EPS models
protective coating
Opis:: The article presents analysis of the influence of ingate size on the Lost Foam casting process. In particular, analysis of simulation tests has been carried out to determine the ingate size influence on the rate of filling of the mould cavity, pressure in the gas gap and size of the gas gap. A specially prepared mathematical model of the process and an original calculation algorithm were used in simulation tests of full-mould casting. The tests have indicated that the increase of the ingate size results in the increase of filling rate and increase of pressure of gases in the gas gap. However, significant influence on mould cavity filling occurs only when the ingate size is less than [...]1 cm2.
Źródło:: Archives of Foundry Engineering; 2012, 12, 2; 171-174
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Optimising a model of minimum stock level control and a model of standing order cycle in selected foundry plant
Autorzy:: Szymszal, J.
Lis, T.
Przondziono, J.
Nowacki, K.
Kliś, J.
Powiązania:: https://bibliotekanauki.pl/articles/382979.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: computer aiding
foundry production
logistics
stock control models
wspomaganie komputerowe
produkcja odlewnicza
logistyka
sterowanie magazynem
Opis:: It has been found that the area where one can look for significant reserves in the procurement logistics is a rational management of the stock of raw materials. Currently, the main purpose of projects which increase the efficiency of inventory management is to rationalise all the activities in this area, taking into account and minimising at the same time the total inventory costs. The paper presents a method for optimising the inventory level of raw materials under a foundry plant conditions using two different control models. The first model is based on the estimate of an optimal level of the minimum emergency stock of raw materials, giving information about the need for an order to be placed immediately and about the optimal size of consignments ordered after the minimum emergency level has occurred. The second model is based on the estimate of a maximum inventory level of raw materials and an optimal order cycle. Optimisation of the presented models has been based on the previously done selection and use of rational methods for forecasting the time series of the delivery of a chosen auxiliary material (ceramic filters) to a casting plant, including forecasting a mean size of the delivered batch of products and its standard deviation.
Źródło:: Archives of Foundry Engineering; 2013, 13, 3; 97-100
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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