FAILURE MODE &. Analytical technique focused at problem prevention through. EFFECTS ANALYSIS. identification of potential problems. The FMEA is a proactive tool that. (FMEA). is used pragmatically to identify potential failures and their effects, to.
Analytical technique focused at problem prevention through
identification of potential problems. The FMEA is a proactive tool that
is used pragmatically to identify potential failures and their effects, to
numerically rate the combined risk associated with severity, probability
of occurrence and detectability, and to document appropriate plans for
prevention. FMEAs can be applied to system, application, and product
design and to manufacturing and non-manufacturing processes (i.e.,
services and transactional processes).
FIRST TIME YIELD
Yield that occurs in any process step prior to any rework that may be
required to overcome process shortcomings.
FIXED EFFECTS MODEL
An experimental model where treatments are specifically selected by the
researcher. Conclusions only apply to the factor levels considered in the
analysis. Inferences are restricted to the experimental levels.
Variances in data which are caused by a large number of minute
variations or differences.
The pattern or shape formed by the group of measurements in a
distribution based on frequency of occurrence.
The average difference observed between a gage under evaluation and a
master gage when measuring the same parts over multiple readings.
A measure of gage accuracy variation when evaluated over the expected
A measure of the variation observed when a single operator uses a gage
to measure a group of randomly ordered (but identifiable) parts on a
A measure of average variation observed between operations when
multiple operators use the same gage to measure a group of randomly
ordered (but identifiable) parts on a repetitive basis.
A measure of variation observed when a gage is used to measure the
same master over an extended period of time.
Six Sigma role similar in function to Black Belt, but length of training
and project scope are reduced.
Vertical display of a population distribution in terms of frequencies; a
formal method of plotting a frequency distribution.
The variances of the data groups being contrasted are equal (as defined
by a statistical test of significant difference).
Any quantifiable difference between individual measurements; such
differences can be classified as being due to common causes (random)
or special causes (
Procedures, techniques, and methods used to isolate one type of
variation from another (for example, separating product variation from
VOICE OF THE CUSTOMER
Data gathered from the customers that provides information about their needs and requirements.
A control chart which is a representation of process capability over
time; displays the variability in the process average and range across time.
X & R CHARTS