If shipments are left until the last minute to stage, the workload of the people in this area may be very unbalanced. In a lean environment, the idea of standardized work not only applies to manufacturing, but shipping as well. The final area to consider for finished product is staging of shipments. JIT functions best when using a pull system. Without a kanban system, builds will have to be scheduled at specific times in order to provide inventory as required. The amount of parts stored is controlled through the level of kanbans in the system. When using kanbans, the build time and amount of parts built is controlled through the timely delivery of kanbans. This can be controlled through the use of kanbans. In facilities where short lead time is essential, it is nearly impossible to carry zero inventory, so you will need to carry a store of parts to pull from when required. The key to a happy medium is using the correct tools. As your requirements vary greatly from your customer’s requirements in this aspect, your ability to manage your finished product levels will determine how well you perform in a just in time environment. Period!Īs a lean manufacturing facility, it is your goal to maintain finished product inventory at the lowest levels possible while ensuring delivery does not suffer. They expect 100% accurate and timely delivery from you. They will not care about your inventory targets. Their preference will be high inventory levels at your faciltiy to ensure the product they require is always available when they require it. Your customer’s biggest concern will be the timely delivery of the product they ordered and in the correct quantity. Three major areas will be reviewed on this page finished product, sub-assemblies, raw components, and how they fit into JIT. Of course this is not practical in most, if not all repetitive manufacturing facilities, as there are delivery time lines that need to be met and customer orders that will fluctuate from day-to-day. The ideal just in time facility would carry zero finished goods and build them only when they are ordered. The idea behind JIT is that parts are produced or moved only when needed and in the quantity required. Just in time is not only a major principle of lean manufacturing, it should also be one of your company’s main goals.
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