Inter-verification of equipment using the X-control card in the Laboratory for material testing in the Mining and metallurgy institute Bor
Međuprovera opreme primenom X-kontrolne karte u Laboratoriji za ispitivanje materijala u Institutu za rudarstvo i metalurgiju Bor
Abstract: In the modern business of accredited testing laboratories according to the requirements of the SRPS ISO/IEC 17025 standard - General requirements for the competence of testing laboratories and calibration laboratories, the most important thing is the correctness of the testing equipment. The work procedure of the Laboratory for Material Testing in the Mining and Metallurgy Institute Bor requires checking the correctness of equipment twice a year in order to obtain the reliable and valid test results. This paper presents the procedure of intermediate verification the correctness of a device for testing the metal materials by tensioning, using a X-control card. The Xcontrol card is an auxiliary tool for collecting, processing, analyzing and displaying data in order to ensure the quality of products and processes. It belongs to the Statistical process control - SPC. The control chart that is created as a result of the statistical processing of the obtained data of tensile strength of wire on a tensile testing device shows the measure of quality the device correctness in the laboratory. The main goal of the X-control card is a very fast detection of errors during the work process of the Laboratory for Material Testing in the Mining and Metallurgy Institute Bor, i.e., checking the correctness of device.
Izvod: U savremenom poslovanju akreditovanih laboratorija za ispitivanje prema zahtevima standarda SRPS ISO/IEC 17025 - Opšti zahtevi za kompetentnost laboratorija za ispitivanje i laboratorija za etaloniranje najvažnija je ispravnost opreme za ispitivanje. Procedurom za rad Laboratorije za ispitivanje materijala u Institutu za rudarstvo i metalurgiju Bor propisano je da se dva puta u toku godine proverava i preispituje ispravnost opreme u cilju dobijanja pouzdanih i validnih rezultata ispitivanja. U radu je prikazan postupak međuprovere ispravnosti uređaja za ispitivanje metalnih materijala zatezanjem primenom X-kontrolne karte. X-kontrolna karta je pomoćni alat za prikupljanje, obradu, analizu i prikazivanje podataka u cilju osiguravanja kvaliteta proizvoda i procesa. Ona pripada statističkoj kontroli procesa (Statistical process control - SPC). Kontrolni grafikon koji nastaje kao rezultat statističke obrade dobijenih podataka zatezne čvrstoće žice na uređaju za ispitivanje zatezanjem, u laboratoriji, oslikava meru kvaliteta ispravnosti uređaja. Glavni cilj X- kontrolne karte je veoma brzo otkrivanje grešaka tokom procesa rada u Laboratoriji za ispitivanje materijala u Instituta za rudarstvo i metalurgiju Bor, tj. provera ispravnosti uređaja.
Recenziju radila Emina Požega https://unilib.phaidrabg.rs/o:3969
srpski
2023
© All rights reserved
Keywords: intermediate equipment inspection, control card, metal material testing.
Ključne reči: međuprovera opreme, kontrolna karta, ispitivanje metalnih materijala.