{"id":4382,"date":"2026-05-27T10:03:00","date_gmt":"2026-05-27T08:03:00","guid":{"rendered":"https:\/\/ellistat.com\/?p=4382"},"modified":"2026-05-27T10:04:17","modified_gmt":"2026-05-27T08:04:17","slug":"adatelemzes-a-megmunkalasban-a-nyers-adatoktol-a-valodi-minosegellenorzesig","status":"publish","type":"post","link":"https:\/\/ellistat.com\/hu\/data-analysis-en-usinage-passez-de-la-donnee-brute-au-pilotage-reel-de-la-qualite\/","title":{"rendered":"Adatelemz\u00e9s a megmunk\u00e1l\u00e1sban: a nyers adatokt\u00f3l a val\u00f3di min\u0151s\u00e9gellen\u0151rz\u00e9sig"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Minden szersz\u00e1mg\u00e9p adatokat \u00e1ll\u00edt el\u0151. Megm\u00e9rt m\u00e9retek, sodr\u00e1si frekvenci\u00e1k, v\u00e1g\u00e1si param\u00e9terek, kalibr\u00e1ci\u00f3s eredm\u00e9nyek... A legt\u00f6bb m\u0171helyben ezek az inform\u00e1ci\u00f3k Excel-f\u00e1jlokban, napl\u00f3kban vagy sz\u00e9tkapcsolt szoftverekben gy\u0171lnek \u00f6ssze. Ezeket ut\u00f3lag, gyakran t\u00fal k\u00e9s\u0151n n\u00e9zik meg.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A megmunk\u00e1l\u00e1sra alkalmazott adatelemz\u00e9s megv\u00e1ltoztatja ezt a logik\u00e1t: a sz\u00e9tsz\u00f3rt m\u00e9r\u00e9seket haszn\u00e1lhat\u00f3 inform\u00e1ci\u00f3v\u00e1 alak\u00edtja, val\u00f3s id\u0151ben vagy a gy\u00e1rt\u00e1s ut\u00e1ni elemz\u00e9shez. A c\u00e9l nem az, hogy \u00abstatisztik\u00e1t k\u00e9sz\u00edts\u00fcnk\u00bb, hogy kiel\u00e9g\u00edts\u00fck az auditorok ig\u00e9nyeit. Hanem a v\u00e1ltoz\u00e9konys\u00e1g val\u00f3di okainak azonos\u00edt\u00e1sa, az elt\u00e9r\u00e9sek el\u0151rejelz\u00e9se, miel\u0151tt azok selejthez vezetn\u00e9nek, \u00e9s a t\u00e9nyeken, nem pedig az intu\u00edci\u00f3kon alapul\u00f3 d\u00f6nt\u00e9sek meghozatala.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cdme, mit takar az adatelemz\u00e9s a g\u00e9p\u00e9szetben, \u00e9s mi\u00e9rt v\u00e1lt olyan versenyk\u00e9pes eszk\u00f6zz\u00e9, amelyet neh\u00e9z figyelmen k\u00edv\u00fcl hagyni.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mi\u00e9rt jelent az adatelemz\u00e9s v\u00e1ltoz\u00e1st egy g\u00e9pm\u0171hely sz\u00e1m\u00e1ra?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Az igazi probl\u00e9ma: a fel nem haszn\u00e1lt adatok<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sz\u00e1mos m\u0171hely m\u00e1r m\u00e9r\u00e9seket v\u00e9gez. A m\u00e9r\u00e9s \u00e9s a d\u00f6nt\u00e9s k\u00f6z\u00f6tt azonban gyakran szakad\u00e9k t\u00e1tong. \u00c9szrevesz egy bord\u00e1t, amely nem felel meg a t\u0171r\u00e9shat\u00e1rnak, k\u00e9zzel be\u00e1ll\u00edtja a g\u00e9pet, \u00e9s tov\u00e1bbl\u00e9p a k\u00f6vetkez\u0151 l\u00e9p\u00e9sre. Nem tudjuk, hogy az elt\u00e9r\u00e9s a szersz\u00e1mkop\u00e1ssal, a m\u0171hely h\u0151m\u00e9rs\u00e9klet\u00e9vel, egy adott anyagt\u00e9tellel vagy a sorozat elej\u00e9n t\u00f6rt\u00e9nt hozz\u00e1vet\u0151leges be\u00e1ll\u00edt\u00e1ssal f\u00fcgg-e \u00f6ssze.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Struktur\u00e1lt elemz\u00e9s n\u00e9lk\u00fcl ink\u00e1bb a t\u00fcneteket kezelj\u00fck, mint az okokat. \u00c9s ugyanazok a probl\u00e9m\u00e1k ism\u00e9tl\u0151dnek.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Mire k\u00e9pes az adatelemz\u00e9s val\u00f3j\u00e1ban<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A termel\u00e9si adatok statisztikai elemz\u00e9se lehet\u0151v\u00e9 teszi sz\u00e1munkra, hogy :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00e9szleli a sodr\u00f3d\u00e1st, miel\u0151tt az t\u00fall\u00e9pi a t\u0171r\u00e9shat\u00e1rt<\/strong>, vez\u00e9rl\u0151k\u00e1rty\u00e1k (<a href=\"https:\/\/ellistat.com\/hu\/spc-szoftver\/\" type=\"page\" id=\"801\">SPC<\/a>), amelyek j\u00f3val azel\u0151tt jelzik a tendenci\u00e1t, hogy egy alkatr\u00e9sz nem megfelel\u0151v\u00e9 v\u00e1lna.<\/li>\n\n\n\n<li><strong>egy folyamat k\u00e9pess\u00e9g\u00e9nek sz\u00e1mszer\u0171s\u00edt\u00e9se<\/strong>, Ez azt jelenti, hogy pontosan tudni kell, hogy egy szersz\u00e1mg\u00e9p mennyire j\u00f3l tud tartani egy adott t\u0171r\u00e9st az id\u0151 m\u00fal\u00e1s\u00e1val.<\/li>\n\n\n\n<li><strong>a v\u00e1ltoz\u00e9konys\u00e1g eredet\u00e9nek azonos\u00edt\u00e1sa<\/strong>, t\u00f6bb forr\u00e1sb\u00f3l sz\u00e1rmaz\u00f3 adatok kereszthivatkoz\u00e1s\u00e1val: alkatr\u00e9szm\u00e9r\u00e9s, g\u00e9pi param\u00e9terek, szersz\u00e1mt\u00f6rt\u00e9net, anyagsz\u00e1ll\u00edt\u00f3 stb.<\/li>\n\n\n\n<li><strong>a sz\u00e1ll\u00edt\u00f3k statisztikai \u00f6sszehasonl\u00edt\u00e1sa<\/strong>, objekt\u00edven bizony\u00edtani, hogy egy anyagt\u00e9tel vagy egy alv\u00e1llalkoz\u00f3 v\u00e1ltoz\u00e9konys\u00e1got visz be a folyamatba<\/li>\n\n\n\n<li><strong>a fejleszt\u00e9si projektek felgyors\u00edt\u00e1sa<\/strong>, az empirikus pr\u00f3b\u00e1lkoz\u00e1sok \u00e9s hib\u00e1k struktur\u00e1lt k\u00eds\u00e9rleti tervekkel t\u00f6rt\u00e9n\u0151 felv\u00e1lt\u00e1s\u00e1val.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00e9pess\u00e9g \u00e9s Cp, Cpk, Ppk indexek<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">A megmunk\u00e1l\u00e1s f\u0151 mutat\u00f3i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ezek az indexek azt m\u00e9rik, hogy egy folyamat mennyire k\u00e9pes a t\u0171r\u00e9shat\u00e1rokon bel\u00fcl termelni. \u00d6sszefoglalva:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cp<\/strong>\u00a0a g\u00e9p potenci\u00e1lj\u00e1t m\u00e9ri, ha az t\u00f6k\u00e9letesen centrikusan lenne elhelyezve.<\/li>\n\n\n\n<li><strong>Cpk<\/strong>\u00a0figyelembe veszi a n\u00e9v\u00e9rt\u00e9kt\u0151l val\u00f3 t\u00e9nyleges elt\u00e9r\u00e9st. Az 1,33-n\u00e1l kisebb Cpk \u00e9rt\u00e9k t\u00f6r\u00e9keny folyamatra utal.<\/li>\n\n\n\n<li><strong>Ppk<\/strong>\u00a0a t\u00e9nylegesen megfigyelt (hossz\u00fa t\u00e1v\u00fa) v\u00e1ltoz\u00e9konys\u00e1g alapj\u00e1n ker\u00fcl kisz\u00e1m\u00edt\u00e1sra, nem pedig a g\u00e9pben rejl\u0151 v\u00e1ltoz\u00e9konys\u00e1g alapj\u00e1n.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A rep\u00fcl\u0151g\u00e9pipar, az aut\u00f3ipar \u00e9s az orvostechnika ter\u00fclet\u00e9n ki\u00edrt p\u00e1ly\u00e1zatokn\u00e1l gyakran legal\u00e1bb 1,67-es Ppk \u00e9rt\u00e9ket k\u00f6vetelnek meg. Ha nem tudja, hogy hol \u00e1ll, nem tud megalapozott k\u00f6telezetts\u00e9gv\u00e1llal\u00e1sokat tenni, \u00e9s nem tud el\u00e9be menni a selejtnek.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vez\u00e9rl\u0151k\u00e1rty\u00e1k: fel\u00fcgyelet a probl\u00e9ma kiv\u00e1r\u00e1sa n\u00e9lk\u00fcl<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A kontrolldiagram (X-bar\/R diagram, CUSUM diagram stb.) a m\u00e9rt partvonal id\u0151beli alakul\u00e1s\u00e1t k\u00f6veti nyomon. Arra szolg\u00e1l, hogy megk\u00fcl\u00f6nb\u00f6ztesse egy folyamat term\u00e9szetes v\u00e1ltoz\u00e9konys\u00e1g\u00e1t a rendellenes jelekt\u0151l: a fokozatos sodr\u00f3d\u00e1st\u00f3l, a hirtelen kiugr\u00e1st\u00f3l, a gyan\u00fas v\u00e1ltakoz\u00e1st\u00f3l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ez nem egy darabsz\u00e1m-ellen\u0151rz\u0151 eszk\u00f6z. Ez egy folyamatszab\u00e1lyoz\u00f3 eszk\u00f6z. A k\u00fcl\u00f6nbs\u00e9g alapvet\u0151: nem v\u00e1rjuk meg, am\u00edg az alkatr\u00e9sz rossz lesz, miel\u0151tt beavatkozunk.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fejlett adatelemz\u00e9s: g\u00e9pi tanul\u00e1s \u00e9s a kiv\u00e1lt\u00f3 okok azonos\u00edt\u00e1sa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A hagyom\u00e1nyos statisztikai m\u00f3dszerek arra a k\u00e9rd\u00e9sre adnak v\u00e1laszt, hogy \u00abSodr\u00f3dik-e a folyamatom? A <a href=\"https:\/\/ellistat.com\/hu\/gepi-tanulas\/\" type=\"page\" id=\"1098\">g\u00e9pi tanul\u00e1s<\/a> egy nehezebb k\u00e9rd\u00e9sre ad v\u00e1laszt: \u00abMi\u00e9rt?\u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A m\u00e9r\u00e9si adatok \u00e9s a gy\u00e1rt\u00e1si param\u00e9terek (v\u00e1g\u00e1si sebess\u00e9g, bet\u00e9tsz\u00e1m, k\u00f6rnyezeti h\u0151m\u00e9rs\u00e9klet, anyagt\u00e9telsz\u00e1m stb.) automatikus kereszthivatkoz\u00e1s\u00e1val az algoritmusok azonos\u00edtani tudj\u00e1k azokat a t\u00e9nyez\u0151ket, amelyek a legjobban magyar\u00e1zz\u00e1k a megfigyelt v\u00e1ltoz\u00e9konys\u00e1got. Ez a fajta elemz\u00e9s, amely sok\u00e1ig csak nagy ipari csoportoknak volt fenntartva, k\u00fcl\u00f6n erre szakosodott csapatokkal, ma m\u00e1r a kis \u00e9s k\u00f6zepes m\u00e9ret\u0171 g\u00e9pipari v\u00e1llalatok sz\u00e1m\u00e1ra is el\u00e9rhet\u0151v\u00e9 v\u00e1lik egy speci\u00e1lis szoftver seg\u00edts\u00e9g\u00e9vel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cdme egy konkr\u00e9t p\u00e9lda: egy alum\u00edniumalkatr\u00e9szeket gy\u00e1rt\u00f3 gy\u00e1rt\u00f3soron a selejt h\u00e9tf\u0151 reggelente megn\u0151. A keresztelemz\u00e9s \u00f6sszef\u00fcgg\u00e9st mutat a m\u0171helyben a h\u00e9tv\u00e9ge ut\u00e1ni h\u0151m\u00e9rs\u00e9klettel \u00e9s az ors\u00f3k el\u0151zetes felmeleg\u00edt\u00e9s\u00e9nek hi\u00e1ny\u00e1val. Keresztreferenci\u00e1s adatelemz\u00e9s n\u00e9lk\u00fcl az ilyen t\u00edpus\u00fa okok gyakorlatilag l\u00e1thatatlanok.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00eds\u00e9rletek tervez\u00e9se: a fejleszt\u00e9s struktur\u00e1l\u00e1sa a pr\u00f3b\u00e1lkoz\u00e1s \u00e9s hiba helyett<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <a href=\"https:\/\/ellistat.com\/hu\/tapasztalati-terv\/\" type=\"page\" id=\"1092\">k\u00eds\u00e9rleti tervek<\/a> (DOE - Design of Experiments) a leghat\u00e9konyabb megk\u00f6zel\u00edt\u00e9s egy megmunk\u00e1l\u00e1si folyamat szigor\u00fa optimaliz\u00e1l\u00e1s\u00e1ra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ahelyett, hogy a param\u00e9tereket egyenk\u00e9nt vari\u00e1ln\u00e1k (ami id\u0151ig\u00e9nyes \u00e9s nem teszi lehet\u0151v\u00e9 a k\u00f6lcs\u00f6nhat\u00e1sok kimutat\u00e1s\u00e1t), a k\u00eds\u00e9rlettervez\u00e9s egy matematikailag fel\u00e9p\u00edtett strukt\u00fara szerint egyszerre t\u00f6bb t\u00e9nyez\u0151t vizsg\u00e1l. Ily m\u00f3don a lehet\u0151 legt\u00f6bb inform\u00e1ci\u00f3hoz jutunk a lehet\u0151 legkevesebb pr\u00f3b\u00e1lkoz\u00e1ssal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A megmunk\u00e1l\u00e1sban leggyakrabban haszn\u00e1lt t\u00edpusok :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Teljes tervek<\/strong>\u00a0Az \u00f6sszes t\u00e9nyez\u0151 minden szintj\u00e9t tesztelik. Pontos, de dr\u00e1ga a tesztel\u00e9s.<\/li>\n\n\n\n<li><strong>Frakci\u00f3s tervek<\/strong>\u00a0A teljes terv intelligens r\u00e9szhalmaza. Alkalmazkodik, ha sok t\u00e9nyez\u0151 van.<\/li>\n\n\n\n<li><strong>V\u00e1laszfel\u00fclet<\/strong>\u00a0egy c\u00e9l\u00e9rt\u00e9k (\u00e9rdess\u00e9g, t\u0171r\u00e9s, szersz\u00e1m \u00e9lettartam) optimaliz\u00e1l\u00e1sa a folyamat matematikai modellez\u00e9s\u00e9vel.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ezek a tervek ugyan\u00fagy vonatkoznak egy v\u00e1g\u00e1si param\u00e9ter optimaliz\u00e1l\u00e1s\u00e1ra, mint egy \u00faj elj\u00e1r\u00e1s kifejleszt\u00e9s\u00e9re vagy egy alv\u00e1llalkoz\u00f3 min\u0151s\u00edt\u00e9s\u00e9re.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Adatelemz\u00e9s \u00e9s besz\u00e1ll\u00edt\u00f3i ellen\u0151rz\u00e9s: egy gyakran elhanyagolt alkalmaz\u00e1s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A v\u00e1ltoz\u00e9konys\u00e1g nem csak a g\u00e9pb\u0151l ered. Nyersanyagok, alv\u00e1llalkoz\u00f3i alkatr\u00e9szek, fogy\u00f3eszk\u00f6z\u00f6k: minden okozhat ingadoz\u00e1st a folyamat\u00e1ban.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A be\u00e9rkez\u0151 vizsg\u00e1lati adatok statisztikai elemz\u00e9se (<a href=\"https:\/\/ellistat.com\/hu\/vetelvezerlo-szoftver\/\" type=\"page\" id=\"860\">IQC<\/a>) lehet\u0151v\u00e9 teszi, hogy :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>annak kimutat\u00e1sa, hogy az egyik sz\u00e1ll\u00edt\u00f3 statisztikailag k\u00fcl\u00f6nb\u00f6zik-e egy m\u00e1sikt\u00f3l egy m\u00e9rt jellemz\u0151 tekintet\u00e9ben,<\/li>\n\n\n\n<li>annak meg\u00e1llap\u00edt\u00e1sa, hogy egy anyagt\u00e9tel-v\u00e1ltoz\u00e1s hat\u00e1ssal volt-e az el\u0151\u00e1ll\u00edtott min\u0151s\u00e9gre,<\/li>\n\n\n\n<li>Cs\u00f6kkentse a megb\u00edzhat\u00f3 besz\u00e1ll\u00edt\u00f3k ellen\u0151rz\u00e9s\u00e9nek mennyis\u00e9g\u00e9t a fokozatos ellen\u0151rz\u00e9snek k\u00f6sz\u00f6nhet\u0151en (ISO 2859 \u00e9s ISO 3951 szabv\u00e1nynak megfelel\u0151).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ez a besz\u00e1ll\u00edt\u00f3i kapcsolatokban a megtakar\u00edt\u00e1sok \u00e9s az objektivit\u00e1s eszk\u00f6ze: a d\u00f6nt\u00e9sek az adatok, nem pedig a benyom\u00e1sok alapj\u00e1n sz\u00fcletnek.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hogyan lehet egy m\u0171helyben adatelemz\u00e9si megk\u00f6zel\u00edt\u00e9st kialak\u00edtani?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. l\u00e9p\u00e9s: Hat\u00e1rozza meg, hogy mit \u00e9s mi\u00e9rt m\u00e9r \u00e9s mi\u00e9rt m\u00e9r<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Az elemz\u00e9s el\u0151tt m\u00e9rni kell. \u00c9s k\u00f6vetkezetesen m\u00e9rni. Ehhez kalibr\u00e1lt m\u0171szerekre, meghat\u00e1rozott m\u00e9r\u00e9si gyakoris\u00e1gokra \u00e9s az \u00f6sszes \u00fczemeltet\u0151 \u00e1ltal haszn\u00e1lt, k\u00f6z\u00f6s protokollokra van sz\u00fcks\u00e9g. Egy nem \u00fczemk\u00e9pes eszk\u00f6z, amely torz adatokat gener\u00e1l, hib\u00e1s d\u00f6nt\u00e9sekhez vezethet. A m\u0171szerek kezel\u00e9se (<a href=\"https:\/\/ellistat.com\/hu\/metrologiai-szoftver\/\" type=\"page\" id=\"883\">METRO<\/a>) ez\u00e9rt gyakran al\u00e1becs\u00fclt el\u0151felt\u00e9tele minden adatmegk\u00f6zel\u00edt\u00e9snek.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. szakasz: az adatok k\u00f6zpontos\u00edt\u00e1sa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Az egyes t\u00e1bl\u00e1zatokban sz\u00e9tsz\u00f3rt adatok nem elemezhet\u0151k. A kell\u0151 mennyis\u00e9g\u0171 \u00e9s id\u0151beli konzisztencia el\u00e9r\u00e9s\u00e9nek felt\u00e9tele a k\u00f6zpontos\u00edt\u00e1s, ide\u00e1lis esetben val\u00f3s id\u0151ben a g\u00e9pekr\u0151l.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. l\u00e9p\u00e9s: V\u00e1lassza ki a megfelel\u0151 elemz\u0151eszk\u00f6z\u00f6ket<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A<a href=\"https:\/\/ellistat.com\/hu\/spc-szoftver\/\" type=\"page\" id=\"801\"> SPC szoftver<\/a> lehet\u0151v\u00e9 teszi a val\u00f3s idej\u0171 statisztikai nyomon k\u00f6vet\u00e9st. Egy fejlett elemz\u0151 modul seg\u00edts\u00e9g\u00e9vel azonos\u00edtani lehet a v\u00e1ltoz\u00e9konys\u00e1g okait. A k\u00eds\u00e9rleti tervekhez k\u00fcl\u00f6n modulra van sz\u00fcks\u00e9g. Az eszk\u00f6znek minden esetben hozz\u00e1f\u00e9rhet\u0151nek kell lennie a kezel\u0151k \u00e9s a min\u0151s\u00e9g\u00fcgyi technikusok, nem csak a statisztikusok sz\u00e1m\u00e1ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. l\u00e9p\u00e9s: Az eredm\u00e9nyek alapj\u00e1n cselekedni<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Az elemz\u00e9snek csak akkor van \u00e9rt\u00e9ke, ha korrekci\u00f3s int\u00e9zked\u00e9sekhez vezet. Az azonos\u00edtott elt\u00e9r\u00e9snek korrekci\u00f3t kell kiv\u00e1ltania. Az azonos\u00edtott kiv\u00e1lt\u00f3 oknak folyamatm\u00f3dos\u00edt\u00e1shoz kell vezetnie. Ez az a z\u00e1rt k\u00f6r, amely az adatokat teljes\u00edtm\u00e9nyre alak\u00edtja \u00e1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00f6vetkeztet\u00e9s: Adatelemz\u00e9s a megmunk\u00e1l\u00e1sban, egy m\u00e9rhet\u0151 megt\u00e9r\u00fcl\u00e9ssel j\u00e1r\u00f3 befektet\u00e9s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A megmunk\u00e1l\u00e1sra alkalmazott adatelemz\u00e9s nem egy k\u00e9nyelmi technol\u00f3gia. Olyan ir\u00e1ny\u00edt\u00e1si eszk\u00f6z, amely cs\u00f6kkenti a selejtet, stabiliz\u00e1lja a min\u0151s\u00e9get, biztos\u00edtja a vev\u0151i k\u00f6telezetts\u00e9gv\u00e1llal\u00e1sokat \u00e9s felgyors\u00edtja a d\u00f6nt\u00e9shozatalt. Azok a m\u0171helyek, amelyek integr\u00e1lt\u00e1k, k\u00e9zzelfoghat\u00f3 nyeres\u00e9get m\u00e9rnek: alacsonyabb a nem megfelel\u0151s\u00e9gi ar\u00e1ny, jobb k\u00e9pess\u00e9gi mutat\u00f3k, kevesebb besz\u00e1ll\u00edt\u00f3i vita, az auditok sor\u00e1n megtakar\u00edtott id\u0151.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A j\u00f3 h\u00edr az, hogy a megmunk\u00e1l\u00e1si adatok elemz\u00e9s\u00e9re szolg\u00e1l\u00f3 eszk\u00f6z\u00f6k jelent\u0151sen fejl\u0151dtek. Ezek ma m\u00e1r mindenf\u00e9le fejlett statisztikai ismeret n\u00e9lk\u00fcl, k\u00f6zvetlen\u00fcl egy b\u00f6ng\u00e9sz\u0151b\u0151l el\u00e9rhet\u0151k, \u00e9s a megl\u00e9v\u0151 gy\u00e1rt\u00e1si munkafolyamatokhoz csatlakoztathat\u00f3k. A kiindul\u00f3pont nem egy neh\u00e9zkes informatikai projekt: a d\u00f6nt\u00e9s, hogy intu\u00edci\u00f3 helyett a t\u00e9nyek vez\u00e9relnek.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GYIK<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mi is pontosan az adatelemz\u00e9s a megmunk\u00e1l\u00e1sban?<\/strong>&nbsp;Ez azon m\u00f3dszerek \u00e9s eszk\u00f6z\u00f6k \u00f6sszess\u00e9ge, amelyeket a gy\u00e1rt\u00e1s sor\u00e1n keletkez\u0151 adatok (alkatr\u00e9szm\u00e9r\u00e9sek, g\u00e9pi param\u00e9terek, ellen\u0151rz\u00e9si eredm\u00e9nyek) elemz\u00e9s\u00e9re haszn\u00e1lnak a min\u0151s\u00e9gir\u00e1ny\u00edt\u00e1s, a v\u00e1ltoz\u00e9konys\u00e1g cs\u00f6kkent\u00e9se \u00e9s az elt\u00e9r\u00e9s okainak azonos\u00edt\u00e1sa \u00e9rdek\u00e9ben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Statisztikusnak kell lennie ahhoz, hogy a m\u0171helyben haszn\u00e1lt adatelemz\u0151 eszk\u00f6z\u00f6ket haszn\u00e1lhassa?<\/strong>&nbsp;Nem. A speci\u00e1lis ipari szoftvereket \u00fagy tervezt\u00e9k, hogy a min\u0151s\u00e9g\u00fcgyi technikusok \u00e9s a termel\u00e9sir\u00e1ny\u00edt\u00f3k sz\u00e1m\u00e1ra is hozz\u00e1f\u00e9rhet\u0151v\u00e9 tegy\u00e9k az elemz\u00e9seket, m\u00e9lyrehat\u00f3 matematikai k\u00e9pz\u00e9s n\u00e9lk\u00fcl. A kulcs az, hogy meg\u00e9rts\u00fck, mit \u00e9s mi\u00e9rt akarunk m\u00e9rni.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mi a k\u00fcl\u00f6nbs\u00e9g az SPC \u00e9s a fejlett adatelemz\u00e9s k\u00f6z\u00f6tt?<\/strong>&nbsp;Az SPC (statisztikai folyamatszab\u00e1lyoz\u00e1s) val\u00f3s id\u0151ben, kontrollgrafikonok seg\u00edts\u00e9g\u00e9vel figyeli a folyamat stabilit\u00e1s\u00e1t. A fejlett adatelemz\u00e9s tov\u00e1bb megy: t\u00f6bb adatforr\u00e1st kereszthivatkoz\u00e1ssal hasonl\u00edt \u00f6ssze, hogy azonos\u00edtsa a v\u00e1ltoz\u00e9konys\u00e1got magyar\u00e1z\u00f3 t\u00e9nyez\u0151ket, gyakran g\u00e9pi tanul\u00e1ssal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Honnan tudom, hogy a megmunk\u00e1l\u00e1si folyamatom alkalmas-e?<\/strong>&nbsp;A k\u00e9pess\u00e9gi mutat\u00f3k (Cpk, Ppk) kisz\u00e1m\u00edt\u00e1sa a gy\u00e1rtott alkatr\u00e9szek reprezentat\u00edv mint\u00e1j\u00e1n. Az 1,33-n\u00e1l nagyobb Cpk \u00e1ltal\u00e1ban kiel\u00e9g\u00edt\u0151nek tekinthet\u0151. E szint alatt a folyamat id\u0151vel a nem megfelel\u0151s\u00e9g kock\u00e1zat\u00e1t jelenti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alkalmazhat\u00f3-e az adatelemz\u00e9s a besz\u00e1ll\u00edt\u00f3i ellen\u0151rz\u00e9sre?<\/strong>&nbsp;Igen, a bej\u00f6v\u0151 ellen\u0151rz\u00e9si adatok statisztikai elemz\u00e9se lehet\u0151v\u00e9 teszi sz\u00e1munkra a besz\u00e1ll\u00edt\u00f3k objekt\u00edv \u00f6sszehasonl\u00edt\u00e1s\u00e1t, a t\u00e9telenk\u00e9nti elt\u00e9r\u00e9sek felder\u00edt\u00e9s\u00e9t \u00e9s a megb\u00edzhat\u00f3 besz\u00e1ll\u00edt\u00f3k ellen\u0151rz\u00e9s\u00e9nek mennyis\u00e9g\u00e9nek cs\u00f6kkent\u00e9s\u00e9t, az ISO 2859 \u00e9s ISO 3951 szabv\u00e1nyoknak megfelel\u0151en.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chaque machine-outil produit des donn\u00e9es. Des c\u00f4tes mesur\u00e9es, des fr\u00e9quences de d\u00e9rive, des param\u00e8tres de coupe, des r\u00e9sultats d&rsquo;\u00e9talonnage\u2026 Dans la majorit\u00e9 des ateliers, ces informations s&rsquo;accumulent dans des fichiers Excel, des cahiers de suivi ou des logiciels d\u00e9connect\u00e9s les uns des autres. On les consulte apr\u00e8s coup, souvent trop tard. La data analysis appliqu\u00e9e [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":4383,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-4382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-analysis"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Data analysis en usinage : passez de la donn\u00e9e brute au pilotage r\u00e9el de la qualit\u00e9 - Ellistat<\/title>\n<meta name=\"description\" content=\"Cartes de contr\u00f4le, capabilit\u00e9s, machine learning : d\u00e9couvrez comment l&#039;analyse de donn\u00e9es transforme concr\u00e8tement la qualit\u00e9 en atelier d&#039;usinage.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/hu\/adatelemzes-a-megmunkalasban-a-nyers-adatoktol-a-valodi-minosegellenorzesig\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Data analysis en usinage : passez de la donn\u00e9e brute au pilotage r\u00e9el de la qualit\u00e9 - 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