{"id":11403,"date":"2021-04-09T14:14:58","date_gmt":"2021-04-09T11:14:58","guid":{"rendered":"https:\/\/energosteel.com\/the-results-of-ball-hardness-measurement-how-the-surface-preparation-of-samples-affect-measurement-accuracy\/"},"modified":"2026-01-20T15:05:50","modified_gmt":"2026-01-20T12:05:50","slug":"the-results-of-ball-hardness-measurement-how-the-surface-preparation-of-samples-affect-measurement-accuracy","status":"publish","type":"post","link":"https:\/\/energosteel.com\/pl\/the-results-of-ball-hardness-measurement-how-the-surface-preparation-of-samples-affect-measurement-accuracy\/","title":{"rendered":"Wyniki pomiaru twardo\u015bci kul: jak przygotowanie powierzchni pr\u00f3bek wp\u0142ywa na dok\u0142adno\u015b\u0107 pomiar\u00f3w?"},"content":{"rendered":"

\"\"<\/p>\n

W naszych artyku\u0142ach wielokrotnie podkre\u015blali\u015bmy, jak wa\u017cne jest przestrzeganie wymaga\u0144 odpowiednich norm GOST podczas przygotowania powierzchni kul miel\u0105cych do pomiaru twardo\u015bci.<\/p>\n

W niniejszej publikacji przedstawimy jeden przyk\u0142ad, kt\u00f3ry pokazuje zale\u017cno\u015b\u0107 wynik\u00f3w pomiaru twardo\u015bci od prawid\u0142owego przygotowania powierzchni.<\/p>\n

W lutym 2021 roku otrzymali\u015bmy reklamacj\u0119 od jednego z naszych klient\u00f3w. Sprawa dotyczy\u0142a stalowych kul miel\u0105cych o \u015brednicy 120 mm.<\/p>\n

Do kontroli jako\u015bci wybrano 10 kul miel\u0105cych. Wszystkie pr\u00f3bki zosta\u0142y przygotowane do pomiaru twardo\u015bci. Badanie twardo\u015bci powierzchniowej wykaza\u0142o \u015bredni\u0105 twardo\u015b\u0107 na poziomie 49,37 HRC. Jednocze\u015bnie zakres warto\u015bci waha\u0142 si\u0119 od 31 HRC do 60 HRC. Uzyskane wyniki znacz\u0105co r\u00f3\u017cni\u0142y si\u0119 od danych podanych w certyfikacie partii.<\/p>\n

W celu wyja\u015bnienia sytuacji poprosili\u015bmy o przes\u0142anie wskazanych pr\u00f3bek. Na wszystkich pr\u00f3bkach stwierdzono obecno\u015b\u0107 \u201eprzepalenia\u201d metalu oraz du\u017c\u0105 chropowato\u015b\u0107 powierzchni pomiarowej. Wszystkie te czynniki wskazywa\u0142y na nieprawid\u0142owe przygotowanie powierzchni do pomiaru twardo\u015bci, niezgodne z wymaganiami norm.<\/p>\n

Wszystkie otrzymane pr\u00f3bki zosta\u0142y ponownie przygotowane w laboratorium Energosteel. Wyniki wykaza\u0142y \u015bredni\u0105 twardo\u015b\u0107 na poziomie 58,2 HRC, przy zakresie warto\u015bci 56\u201360 HRC.<\/p>\n

Nieprawid\u0142owe przygotowanie powierzchni do pomiaru twardo\u015bci metalu mo\u017ce wi\u0119c znacz\u0105co zniekszta\u0142ci\u0107 wyniki. W tym konkretnym przypadku b\u0142\u0105d pomiaru wynosi\u0142 oko\u0142o 20%.<\/p>\n

Energosteel posiada w\u0142asne certyfikowane laboratorium metalograficzne, specjalizuj\u0105ce si\u0119 wy\u0142\u0105cznie w badaniach medi\u00f3w miel\u0105cych. Ka\u017cdego roku ca\u0142y nasz sprz\u0119t pomiarowy podlega pa\u0144stwowej kontroli i certyfikacji. W wielu przypadkach z us\u0142ug naszego laboratorium korzysta\u0142y r\u00f3wnie\u017c zewn\u0119trzne organizacje zajmuj\u0105ce si\u0119 dokumentacj\u0105 eksportow\u0105.<\/p>\n

Gwarantujemy deklarowan\u0105 jako\u015b\u0107 naszych kul miel\u0105cych i zawsze jeste\u015bmy gotowi j\u0105 potwierdzi\u0107.<\/p>\n","protected":false},"excerpt":{"rendered":"

W naszych artyku\u0142ach wielokrotnie podkre\u015blali\u015bmy, jak wa\u017cne jest przestrzeganie wymaga\u0144 odpowiednich norm GOST podczas przygotowania powierzchni kul miel\u0105cych do pomiaru twardo\u015bci. W niniejszej publikacji przedstawimy jeden [\u2026]<\/span><\/p>\n","protected":false},"author":4,"featured_media":11404,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"link","meta":{"footnotes":""},"categories":[191,169,201],"tags":[],"class_list":["post-11403","post","type-post","status-publish","format-link","has-post-thumbnail","hentry","category-191","category-kontrola-jakosci","category-wsparcie-techniczne","post_format-post-format-link"],"yoast_head":"\nWyniki pomiaru twardo\u015bci kul<\/title>\n<meta name=\"description\" content=\"Wyniki pomiaru twardo\u015bci kul: jak przygotowanie powierzchni pr\u00f3bek wp\u0142ywa na dok\u0142adno\u015b\u0107 pomiar\u00f3w?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/energosteel.com\/pl\/the-results-of-ball-hardness-measurement-how-the-surface-preparation-of-samples-affect-measurement-accuracy\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wyniki pomiaru twardo\u015bci kul\" \/>\n<meta property=\"og:description\" content=\"Wyniki pomiaru twardo\u015bci kul: jak przygotowanie powierzchni pr\u00f3bek wp\u0142ywa na dok\u0142adno\u015b\u0107 pomiar\u00f3w?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/energosteel.com\/pl\/the-results-of-ball-hardness-measurement-how-the-surface-preparation-of-samples-affect-measurement-accuracy\/\" \/>\n<meta property=\"og:site_name\" content=\"Energosteel. 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