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Glossary - J
 

Jidohka - Stopping a line automatically when a defective part is detected. Any necessary improvements can then be made by directing attention to the stopped equipment and the worker who stopped the operation. The jidohka system puts faith in the worker as a thinker and allows all workers the right to stop the line on which they are working. Also see “autonomation.”
 
Job Analysis - The process of collecting detailed information about a particular job. This information includes tasks, skills, abilities, and knowledge requirements that relate to certain jobs.
 
Job Instruction - Quality system documentation that describes work conducted in one function in a company, such as setup, inspection, rework or operator.
 
Joint Commission - A U.S. healthcare accreditation body; formerly known as Joint Commission for the Accreditation of Healthcare Organizations.
 
Judgment Inspection - A form of inspection to determine nonconforming product. Also see “informative inspection.”
 
Juran Trilogy - Three managerial processes identified by Joseph M. Juran for use in managing for quality: quality planning, quality control and quality improvement.

Just-In-Time
- (JIT)

  1. "Just-In-Time" - Maintaining minimal inventory by arranging with suppliers to deliver the needed items daily or even hourly. Has major inventory cost-saving benefits, but can be accomplished only if high levels of quality are consistently available from suppliers.
  2. "Just-In-Time training" - Providing training when it is needed and when there is both the opportunity and support for applying that training.
  3. A method for optimizing processes that involves continual reduction of waste;
  4. The Toyota Motor Company production system;
  5. An umbrella term that encompasses several Japanese management techniques.
  6. JIT Purchasing an approach to purchasing that requires long-term agreements with few suppliers.

Just-In-Time (JIT) Manufacturing - (1) An optimal material requirement planning system for a manufacturing process in which there is little or no manufacturing material inventory on hand at the manufacturing site and little or no incoming inspection. (2) A Lean Manufacturing process for synchronizing materials, operators, and equipment such that all materials and people are where they need to be, when they need to be there, and in the state they need to be there in. (3) A method for optimizing processes that involves continual reduction of waste;
 
Just-In-Time (JIT) Purchasing - An approach to purchasing that requires long-term agreements with few suppliers.
 
Just-In-Time (JIT) Training - The provision of training only when it is needed to all but eliminate the loss of knowledge and skill caused by a lag between training and use.