I will aslo add to Miner's excellent (as always) point that within piece variation can be very important to the functioning of the part and if not recognized and accounted for in teh measurement protocol, it can really bite you. It can result in unecessary rejection or acceptance of bad product - adn you would be blind to it.
MSA is not just a check the box requirement that must be acceptable and submitted to your customer. In fact thta is the least important aspect of an MSA. MSA should be valuable to you in understanding and ensuring that yoru measurement system is effective and it can provide valuable insight into the true capability of your processes and products.
MSA is not just a check the box requirement that must be acceptable and submitted to your customer. In fact thta is the least important aspect of an MSA. MSA should be valuable to you in understanding and ensuring that yoru measurement system is effective and it can provide valuable insight into the true capability of your processes and products.