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Hi guys,
If the process capability is adequate (Cp > 1.33) the lack of precision and inadequate GRR is not a immediate priority. As process improvements are made, the situation is not last. Determine the time line to improve the measurement improvement.
If the process capabiliy is between 1.00 and 1.33, unacceptable GRR variation may make difference in whether the observed process is report as capable.
If process capability is clearly inadequate, Cp <1.0, both measurement and process must be addressed. Measurement system should be in the priority.
If the process capability is adequate (Cp > 1.33) the lack of precision and inadequate GRR is not a immediate priority. As process improvements are made, the situation is not last. Determine the time line to improve the measurement improvement.
If the process capabiliy is between 1.00 and 1.33, unacceptable GRR variation may make difference in whether the observed process is report as capable.
If process capability is clearly inadequate, Cp <1.0, both measurement and process must be addressed. Measurement system should be in the priority.