Time Value MapPERMALINK
Between each phase or step many companies employ a "tollgate" to control the process. Only when the person leading the project has satisfactorily accomplished the previous phase may they pass the tollgate and move to the next phase. Tollgates are usually reviewed by a higher authority, such as the Master Black Belt for a Black Belt, or a Business Quality Council.PERMALINK
Total Observed Variation
Total Observed Variation is the combined variation from all sources, including the process and the measurement system.PERMALINK
Total Probability of DefectPERMALINK
Total Quality Management (TQM)PERMALINK
The time a product is actually being worked on.
See also Processing TimePERMALINK
Toyota Production System (TPS)
A detailed manufacturing methodology developed at Toyota by Taiichi Ohno and Shigeo Shingo to increase quality, lower cost, decrease defects. The heart of the system focuses on JIT, Level Loading, Customer, 5S, and the 7 Wastes.PERMALINK
TPM (Total Productive Maintenance)
An approach that aims at maximizing equipment effectiveness and reducing downtime due to failures and repairs. This ensures that each machine in a production process is able to perform at its optimal efficiency throughout the lifespan of the equipment, resulting in production never being interrupted.PERMALINK
Traditional Cost Systems
Adds all traceable costs of resources used to unit-level costs. The contribution margin (under Variable Costing) is sales revenue minus all variable cost.
See also Variable CostingPERMALINK