The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The article presents a general classification of quality management tools applied in different industry branches. From among these tools the authors have chosen a pareto chart to present an analysis of mining machines participating in the mining process. The analysis covers mining machines such as: a roadheader, chain conveyor, belt conveyer, crusher and a support.
W niniejszym opracowaniu scharakteryzowano wybrane metody i sposoby wyznaczania oporów urabiania za pomocą różnych przyrządów. Omówiono zasady ich działania oraz sposób pomiaru oporów urabiania i ich przydatność utylitarną w prognozowaniu doboru maszyn urabiających na zasadzie skrawania (ścianowe kombajny bębnowe) do konkretnych warunków górniczo-geologicznych. Przedstawiono ich zalety oraz wady i...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.