The factory's internal measurement is Production Lead Time. As actual production of the ordered product begins, starts also Production Lead Time. Usually, the finished module is assembled from submodules. Production Lead Time for a certain module is counted from the oldest submodule's production start to the module being packed and ready to ship. For submodules, the moment when production can be seen as started is when it has a serial number, i.e. when the ID label is printed on it. Whereas Manufacturing Lead Time is an external measurement, Production Lead Time is an internal measurement. It does not tell how fast after an order the product was ready, but it tells how long it took to make it. The time it took to produce a finished module tells also how long effort and money were bound to it before it was of any actual value to someone... Order Lead Time is the longest lead time. When a customer sends an order, the clock starts ticking. This ticking ends onlywhen the order has been..
Also known as: lead times