TPM

Reducing equipment downtime by implementing Machine Ledger.

Step 1 Clarify Phenomenon To identify what a phenomenon consists of, we cannot rely on simply stratifying the data in a Pareto chart. We also need to carefully study the genbutsu (the actual objects and materials) that we have homed in on. In the example in Figure “Using Pareto-diagram Stratification…

To develop Quality Maintenance in processes where quality is built into the product by manual work, as opposed to processes where machines are the major determinant of product quality.

Any conditions that tend to deteriorate should be extracted from the Quality Matrix and monitored on charts to predict the occurrence of defects.