MSA - what exactly mean "system" and master sample

#1
Dear Elsmar Forum Users,

I have a lot of questions from my collegues regarding "what do you mean by measurement system" and sometimes I have difficulty to answer.
Maybe I present an example: if we have 3 operators on one assy line and they measure 3 different diameteres (with different nominals and tolerances) using one caliper. Do you think that is one measurement system? I suppose that for such measurments performed on other assy line (different operators) another measurement system analysis should be performed. Am I right?

To conduct MSA only for gage and calculate Cgk I need to have master sample with characteristic is near nominal or in the middle of tolerance range. What to do if I have part with 30 characteristics and I have to perform MSA study. Does it mean that I need to have 30 master samples? It is very dificult to have one master sample where all characteristics are near nomial or in the middle of tolerance range.

Thanks for your your support and clarification.

Peter
 
Elsmar Forum Sponsor

optomist1

A Sea of Statistics
Super Moderator
#2
What field are you in? I strongly suggest that you do some research and reading as to just what an MSA is and the many many parts, and aspects of this complex subject. Below a definition of what an MS is and a short bit as to the Analysis all from AIAG MSA Course.

"Measurement System is a collection of instruments or gages, standards, operations, methods, fixtures, software, personnel, environment and assumptions used to quantify a unit of measure or to fix assessment to the feature characteristic being measured; the complete process used to obtain measurements.

The Analysis part of the MSA...has many many contributing factors....details are extremely important in this matter...

And mea culpa; as the "Elsmar Cove is an excellent resource" in this regard...with input from a broad range of experts...across many fields of endeavor.
 
Last edited:
Thread starter Similar threads Forum Replies Date
V MSA - Using a R&R study for a Tape Measure Reliability Analysis - Predictions, Testing and Standards 18
M Options when MSA acc. to VDA 5 is NOK (Qms > 30%) Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 0
F MSA for non-contact CMM - ISO10360 Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 0
T Thermometers and Thermocouple or Transducer's require MSA? Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
R MSA Studies for chemical analytical instruments in QC Lab Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
A IATF MSA study Type 1 General Measurement Device and Calibration Topics 7
Nihls MSA after the device move Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 2
M MSA angle issue - Nylon parts using Aberlink 3D Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 0
Ashland78 MSA clause or wording needed. Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
S MSA clause 7.1.5.1.1 - Statistical studies on counting weight scale Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 12
Nihls MSA Study Type 2 (special conditions ) IEC 60601 - Medical Electrical Equipment Safety Standards Series 0
Nihls When the MSA results show no operator influence Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 3
S MSA for attribute relation gage Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 3
Nihls MSA Study Type 1 (CMM) Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 2
M MSA Study Type 1 not capable. We are at the limit. And manufacturing wants to continue producing. Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 7
I Overwhelmed with attribute MSA requirement for visual inspection IATF 16949 - Automotive Quality Systems Standard 10
H Need MSA 4th ed. compliant attribute MSA template General Measurement Device and Calibration Topics 4
P MSA for titration Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 6
P MSA study for visual system with artifical inteligence Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 2
D MSA strategy Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 4
K Updated MSA with the Annual PPAP validations APQP and PPAP 8
E MSA for Push and Pull test Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 9
6 MSA for Calculated Clearance Dimension Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
Ron Rompen MSA on automated measurement system - Multiple Step Vision System Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 3
G MSA check list to audit IATF 16949 - Automotive Quality Systems Standard 10
R MSA for ATE (Automatic Test Equipment Embedded Software) Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 9
Bev D MSA Tools Misc. Quality Assurance and Business Systems Related Topics 3
R MSA studies for Heat Treatment Equipment Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
C Industrial scales and MSA (IATF 16949 requirement 7.1.5.1.1) IATF 16949 - Automotive Quality Systems Standard 30
M Difference between MSA and MSE? General Measurement Device and Calibration Topics 1
M Test method validation - Is MSA (MSA1, MSA2, MSA3 and linearity) a good solution? Medical Device and FDA Regulations and Standards News 2
A MSA results differences - Supplier results vs. My results Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
R Preliminary MSA and Sockets' correlation Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 0
I MSA requirement for 5 Micrometers + CP changes need customer approval? IATF 16949 - Automotive Quality Systems Standard 2
T Correct MSA study for an automated camera system which makes attribute inspection Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
Bev D MSA Misc. Quality Assurance and Business Systems Related Topics 46
Emran.mi Measurement system analysis - Can you help me about implementation MSA for CMM device Manufacturing and Related Processes 2
N MSA Study for a Leak Testing Device Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 6
N Justifications for not performing MSA (Measurement System Analysis) Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 6
D Do I need part variation while doing Destructive Variable Gage R&R MSA study Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 19
Prashant G MSA Study - AS 9100 and and our customer want us to do MSA study for their parts dimension Reliability Analysis - Predictions, Testing and Standards 4
D Compression Spring Force MSA Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 5
E MSA Study on MTS dynamic rate measurements Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 5
A The FILE recommended by AIAG MSA 4ed for LINEARITY Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 0
S IATF 16949 Audit MSA IATF 16949 - Automotive Quality Systems Standard 10
C Do Calibration Reference Standards require an MSA study? Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 2
A MSA When an Instrument Measures More than One Parameter Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 7
G MSA Type 1 - Cg and Cgk ranges Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
O MSA Study for a steel ruler Manufacturing and Related Processes 6
P IATF 16949 MSA Studies for CMM machines IATF 16949 - Automotive Quality Systems Standard 3

Similar threads

Top Bottom