fmea培訓教材(英文版)-文庫吧
2025-02-18 07:51 本頁面
【正文】 fire) Front Klicked Display PCB PSU Smartcard PCB Frame Cover Klicked Klicked Screwed Screwed Determine Functions ? Describes the intent of the design ? Must be measureble or set at an actionable level ? Represents all wants, both spoken and unspoken. What are the functions of the design? Verb Indicates action, occurrence, being Generate Control Display Noun Indicates what the action relates to Describe Function light speed information Describe Functions Thought starters ... ? Satisfy user ? Attract user ? Guarantee durability ? Easy to repare ? Safety requirements Brainstorming Functiontree ? Provides an anized approach to identify the essential features of a product ? Defines all spoken and unspoken requirements ? Provides the team with a clear overview of all the functions of the product. First level Second Level Constructing Functiontrees Third Level HOW? WHY ? Display Information Functiontree – Frontbutton (Settop) HOW? Must be printable and resistance te wear. PQRCleantest. Tekst clearly visible after xtimes cleaning. WHY? Guidelines ? Brainstorm all functions (VERBNOUN) ? Document individual functions by asking “How is this function achieved?” ? Repeat left to right, until actionable level ? Work right to left and check structure by asking “Why is this function included?” ProductFMEA – Functions Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. Front Button Tekst clear visible after PQRtest MC ML P Potential failure Modes No function Partial function Failure Mode Type Example Not operational Not all of function operating Failure Modes: Frontbutton No function No tekst available Partial function Tekst partial available Function: Tekst clear visible after 100x cleaning. Failure Mode Type Example ProductFMEA – Modes of failure Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. Front Button Tekst clear visible after PQRtest Tekst unreadable MC ML P Effects failure What are the effects of the failure relating to: another part the plete assembly the customer the enduser the governmental regulations ProductFMEA – Tabel of effects Failure Mode Tekst unreadable Frontbutton Complete Assembly Difficult to sale Customer Dissatisfied Enduser Dissatisfied Governmental regulation None Another part None ProductFMEA – Effects of failure Description Level 1 Description Level 2 Function Mode of Failure Effect Cause Action/ Solution Resp. Front Button Tekst clear visible after PQRtest Tekst unreadable MC ML P Assembly not possible to sale Customer dissatisfied Severity (Weightfactor) What is the severity of the e
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