54. MSA Selection Procedure
Data
Type
Variable data Attribute data
Focus
Accuracy Precision
Gauge Linearity
Stability Gauge R&R Study
Attribute
Agreement Analysis
ความถูกต้อง ความแม่นยํา
Bias Study
Attribute R&R
55. Product Decision : การตัดสินใจ
Good Bad
Accept √√√√ (Type II Error: ββββ)
Reject (Type I Error: αααα) √√√√
TYPE I ERROR =
TYPE II ERROR =
56. Variation of Measurement System
Man (AV)Machine (EV)
Method Material (PV)
Environment
สาเหตุหลักทีทําให ้ Product, Process และทําให ้MS มีปัญหา
57. Process Capability Study
23.423.122.822.522.221.921.6
LSL USL
LSL 21.5
Target *
USL 23.5
Sample Mean 22.5308
Sample N 125
StDev (Within) 0.184908
StDev (O v erall) 0.188657
Process Data
C p 1.80
C PL 1.86
C PU 1.75
C pk 1.75
Pp 1.77
PPL 1.82
PPU 1.71
Ppk 1.71
C pm *
O v erall C apability
Potential (Within) C apability
PPM < LSL 0.00
PPM > USL 0.00
PPM Total 0.00
O bserv ed Performance
PPM < LSL 0.01
PPM > USL 0.08
PPM Total 0.09
Exp. Within Performance
PPM < LSL 0.02
PPM > USL 0.14
PPM Total 0.16
Exp. O v erall Performance
Within
Overall
Process Capability of Daimeter
OK ?
PHASE 4 : OUTPUTS
62. ส่งมอบ PPAP File เพือขออนุมัติการผลิตจริง
PSW: Part Submission Warrant
Sample Parts
Dimension Check / Performance Test
Material Performance Test
Engineering Drawing / Design Record
Engineering Change Documents
Check Fixtures / Checking Aids Manual
Process Flow Chart
FMEA
Control Plan
Process Capability Study (Ppk, Cpk)
Measurement System Analysis
Lab Accreditation & Scope