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Rumah > Pameran > Konten
Kualitas dan inspeksi
Mar 21, 2018

Empat kategori dasar biaya kualitas digambarkan sebagai berikut:

1, pencegahan---biaya yang dikeluarkan dalam perencanaan, pelaksanaan, dan mempertahankan kualitas sistem yang akan memastikan kesesuaian untuk syarat mutu pada tingkat ekonomis. Contoh biaya pencegahan adalah pelatihan dalam penggunaan kontrol proses Statistik.

2, penilaian---biaya yang dikeluarkan dalam menentukan tingkat kesesuaian persyaratan kualitas. Contoh biaya penilaian adalah inspeksi.

3, internal kegagalan---biaya yang timbul ketika produk, komponen dan bahan gagal untuk memenuhi persyaratan kualitas sebelumnya untuk mentransfer kepemilikan kepada pelanggan. Contoh biaya kegagalan internal adalah memo.

4 eksternal kegagalan---biaya yang dikeluarkan saat produk gagal untuk memenuhi persyaratan kualitas setelah pengalihan kepemilikan kepada pelanggan. Contoh biaya eksternal kegagalan adalah klaim garansi.

Meskipun tingkat kontrol kualitas ditentukan sebagian besar oleh teori probabilitas dan perhitungan statistik, sangat penting bahwa proses pengumpulan data di mana prosedur ini bergantung menjadi tepat dan akurat. Prosedur statistik terbaik sia-sia jika makan data yang rusak, dan seperti proses machining, pengumpulan data inspeksi itu sendiri proses dengan batas-batas praktis akurasi, presisi, resolusi, dan pengulangan.

Semua proses inspeksi dan/atau pengukuran dapat didefinisikan dalam hal ketepatan dan pengulangan, mereka hanya sebagai suatu proses manufaktur dievaluasi untuk akurasi dan repeatablity. Eksperimen terkontrol dapat dilakukan, dan langkah-langkah statistik dari hasil dapat dibuat untuk menentukan kinerja metode inspeksi relatif terhadap bagian-bagian untuk diperiksa. Kesesuaian dari metode satu atau lain dapat dinilai berdasarkan tingkat kepercayaan yang berlaku untuk setiap pendekatan seperti yang digunakan dalam situasi tertentu inspeksi dan deviasi standar.     (akhir)

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