ABSTRACT
Promptly adapting to meet the actual daily demand for various kinds of automobiles is the purpose of just-in-time (JIT) production. Production of various products and parts must also be scheduled in a constant quantity every day to stabilize the daily work at Toyota’s plants and their parts suppliers. Having the ²exibility to respond to market demand and the stability of smoothed production requires shortening the production lead time (the time interval from production dispatching to delivery of completed products).
