Thursday, February 26, 2009

Putting real links in internal supply chain logistics

By Tom Moore

The concept of a supply chain seems to suggest strong links between supplier, manufacturer, distributor, and customer. But supply chain logistics professionals know this is often far from the truth. Even inside an individual company, the links between functions are weak. In the same plant, the shipping dock is not coordinated with the production planner, purchasing is not aligned with manufacturing and warehousing feels that everything flows down hill from production. We will look at some of the links in this internal supply chain and how they impact logistics performance and then introduce a new class of system that can plan across silos.

The line was running well, so we just kept making it. How often have supply chain managers heard that? It seems like all concepts of the linkage that a chain implies is often lost between production and the distribution team that stands between the customer and the point of manufacture.

Purchasing and production are two links in the supply chain that have often been at loggerheads. This may be caused by purchasing's incentive system that is structured to reward the better price but cant count the additional costs caused by inferior product reaching the production line. The logistics of fixing this are hampered by a lack of good data.

Price does not equate to value. This tenet is true in logistics as it is in other areas. Unfortunately, the transportation procurement groups often don't heed the transportation operations team. The result of this is losses like smaller payloads for the so-called cheap carriers. This excess cost shows up in total cost but not in the price.

And our last example of dysfunctional internal supply chain practices is the gap between the planning and execution. How often does a plant get blamed for cutting product from a shipment when they physically cant get it all on the truck? Often, it is the distribution planner on the order management system that makes the mistake not the plant. Without information on product stack-ability, an understanding of different states axle restrictions, they plan in such a way that it cant be executed. The cost to the supply chain can be large as customers are hurt.

Getting internal supply chain integration required both the right systems and supply chain wide integrated incentives. These incentives require all people in the organization to gain when, as a whole, the operations prosper.. To enhance communications systems need to operate at a grandular level " small time means. These short intervals are needed to manage dynamic operations where often things happen just-in-time.

The systems that coordinate activities are relatively new on the market. By replacing existing load builders, an optimizing vehicle load builder can provide detailed execution instructions to the loader and ensure damage-free, optimized axle-weight, maximized, or cubed-out loads. Distribution master scheduling systems create a schedule for all activities while not over consuming constrained resources (people, dock, doors, inventory). This type of system integrates all the supply chain information from order management systems to WMS location data.

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