First time yield is a metric used to determine how a process is performing in relation to the number of good parts or services it produces. The metric is more specifically used to measure the ratio of parts made correctly the first time through. First time through yield can help gauge whether or not a cell is making parts correctly the first time through. The first-time yield can be calculated by dividing the number of good, conforming products or services by the total number of products or services produced in the sample lot or batch. First time yield is also referred to as first pass yield.
The RACI matrix is a matrix/tool that is used to track and increase accountability within a project. RACI stands for Responsible, Accountable, Consult and Informed. The model is used to organize and clarify projects by listing action items and the responsible individuals.
When calculating Takt time you will need to know the available time. The available time is the total amount of time available minus breaks, lunch and planned downtime.
The Theory of Constraints is a philosophy that is used to identify the point in a process where constraints and bottlenecks prevent the process or system from achieving its highest level of performance. To simplify the definition, the theory of constraints tells us that "the throughput of a system is determined by the systems biggest constraint (bottleneck).
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