Over the years manufacturing has changed drastically and the industry has broken down itself down into specific industries and niches within them. To keep up with this gradual change, ERP systems have evolved and done the same. This has made ERP selection, a process that has always been tough, even harder for those in search of the ERP system that will best support their processes, This is especially true when is comes to discrete ERP vs. Process ERP system selection.
There are a number of important differences between process and discrete manufacturing that must be considering during the ERP selection processes; in this article, let’s focus on one of the most important differences between the two types of systems: the difference between bill of materials and formulas/recipes.
Formulation and bills of material, while they serve a similar purpose, are not the same nor are they interchangeable. This is an extremely common misconception among manufacturers.
Discrete manufacturers, while bringing together various parts and pieces to make their widgets, rely on a bill of materials (BOM). A BOM lists the raw materials, sub-assemblies, intermediate assemblies, sub-components, parts, and quantities of each needed to produce the end product.
Process manufacturers, while mixing ingredients to make their end product, rely on a recipe or a formula. The recipe or formula specifies the ingredients and the amounts (in gallons, pounds, liters, etc.) required to make the end product.
Discrete manufacturing generally make the same thing, the same size, with the same materials, over and over again. The bill of material is fixed- it does not change from one batch to the next. If a discrete manufacturer gets a larger (or smaller) order in, they just package up the appropriate number of their widgets for the lot size and send them out.
For process manufacturers this is much different. Process manufacturers have to take into consideration the size of the order before the manufacturing process so that the end result is not only correct, but the right size. In other words, the formula or recipe being used and the process itself, depends on the end goal.
In process manufacturing, whether it’s for food or pharmaceuticals, an incorrect recipe or formula adjustment can bring with it many problems. From something as simple as a nasty tasting soup to something as serious as making dose strengths dangerous in medications. Profit loss, unhappy customers, physical harm, and even death, can result from the incorrect amount of ingredients which is why an ERP system that supports recipes/formulas is critical.
What ingredients were used in each production batch? When exactly were they introduced? how was used? These are critical questions for process manufacturers. Managing and tracking the formulas and recipes, as well as tracking the adjustments made to them is critical to ensure quality and to make sure revisions to the recipe are carried over from one batch to the next. Record of the formulas must be kept and any revisions must be tracked with extreme detail to ensure consistency throughout the manufacturing process
When it comes to the difference in BOMs, formulas, and recipes, process manufacturing tends to dominate the discussion because process manufacturers have more requirements when it comes to this topics; and there is still more to talk about. Be sure to consider the following when evaluating a process manufacturing ERP system:
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