คุณภาพและการตรวจสอบ

Mar 21, 2018

ฝากข้อความ

สี่ประเภทพื้นฐานของค่าใช้จ่ายที่มีคุณภาพจะอธิบายไว้ในต่อไปนี้:

1, ป้องกันค่าใช้จ่าย ---- ---- เกิดขึ้นในการวางแผนการดำเนินการและการบำรุงรักษาระบบคุณภาพที่จะให้สอดคล้องกับความต้องการคุณภาพในระดับที่ประหยัด ตัวอย่างของค่าใช้จ่ายในการป้องกันคือการฝึกอบรมในการใช้กระบวนการควบคุมกระบวนการทางสถิติ

2 การประเมิน - ค่าใช้จ่ายที่เกิดขึ้นในการกำหนดระดับของการปฏิบัติตามข้อกำหนดด้านคุณภาพ ตัวอย่างของราคาประเมินคือการตรวจสอบ

3 ความล้มเหลวภายใน --- ค่าใช้จ่ายที่เกิดขึ้นเมื่อผลิตภัณฑ์ส่วนประกอบและวัสดุไม่ผ่านข้อกำหนดด้านคุณภาพก่อนที่จะโอนกรรมสิทธิ์ให้กับลูกค้า ตัวอย่างของค่าความล้มเหลวภายในเป็นเรื่องที่สนใจ

4 ความล้มเหลวภายนอก - ค่าใช้จ่ายที่เกิดขึ้นเมื่อผลิตภัณฑ์ไม่สามารถปฏิบัติตามข้อกำหนดด้านคุณภาพหลังจากโอนกรรมสิทธิ์ให้กับลูกค้า ตัวอย่างของค่าความล้มเหลวภายนอกคือการรับประกัน

ถึงแม้ว่าระดับการควบคุมคุณภาพจะถูกกำหนดโดยส่วนใหญ่ตามทฤษฎีความน่าจะเป็นและการคำนวณทางสถิติ แต่สิ่งสำคัญคือกระบวนการรวบรวมข้อมูลซึ่งขั้นตอนเหล่านี้ขึ้นอยู่กับความเหมาะสมและถูกต้อง ขั้นตอนทางสถิติที่ดีที่สุดจะไม่มีค่าหากป้อนข้อมูลที่ผิดพลาดและเช่นกระบวนการผลิตเครื่องจักรการเก็บรวบรวมข้อมูลการตรวจสอบถือเป็นกระบวนการที่มีข้อ จำกัด ในทางปฏิบัติเกี่ยวกับความถูกต้องเที่ยงตรงความละเอียดและการทำซ้ำ

กระบวนการตรวจสอบและ / หรือการวัดทั้งหมดสามารถกำหนดได้จากความถูกต้องและความซ้ำซ้อนของกระบวนการผลิตเช่นเดียวกับกระบวนการผลิตที่ได้รับการประเมินเพื่อความถูกต้องและความซ้ำซ้อน การทดลองที่ควบคุมได้สามารถทำได้และสามารถใช้มาตรการทางสถิติของผลการตรวจสอบประสิทธิภาพของวิธีการตรวจสอบเทียบกับชิ้นส่วนที่ต้องตรวจสอบ ความเหมาะสมของวิธีการหนึ่งหรืออื่น ๆ สามารถถูกตัดสินบนพื้นฐานของค่าเบี่ยงเบนมาตรฐานและระดับความเชื่อมั่นที่ใช้กับแต่ละวิธีการที่ใช้ในสถานการณ์การตรวจสอบที่กำหนด (ตอนจบ)

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