Discrete Manufacturing and Repetitive Manufacturing

[Arthur Wang]

What is the difference between Repetitive Manufacturing and Discrete Manufacturing?

Discrete Manufacturing is a type of manufacturing that is characterized by production orders. This means that a product is manufactured based on specific orders, which can happen on an irregular basis. The process is typically workshop-oriented, which means that each product is made individually and requires a different set of parts. The production path for each product varies, and it can often be complex. For example, if a company were manufacturing cars using discrete manufacturing, they would make one car at a time, and each car would require different parts and processes. Discrete manufacturing can be used for different types of production, including production by lot size, make-to-order production, and assembly processing.

On the other hand, Repetitive Manufacturing is a type of manufacturing where a product is produced on a period and quantity basis. This means that a quantity of one product is manufactured over a certain period, with a constant flow of production. The production process is often simpler and less effort is required for production control than in Discrete Manufacturing. Repetitive Manufacturing can be used for different industries such as the consumer-packaged goods industry, the electronic industry, packaging industry, and more. For example, if a company were manufacturing bottled water using repetitive manufacturing, they would produce a certain quantity of bottled water over a set period, and the production process would be constant, with little variation between the bottles.

When it comes to Confirmation and Costing, there are several differences between the two types of manufacturing. In Discrete Manufacturing, the products being produced have a high variety of parts, which often require frequent part changes over work centers. The confirmation is done order/operation wise, and the costing is done based on production order. In Repetitive Manufacturing, the products being produced do not change for a long period, so the confirmation is simpler and uses back flush, and the costing is done on a period-based quantity using cost collectors.

In Discrete Manufacturing, a “Routing” is used, while in Repetitive Manufacturing, a “Rate Routing” is used. Production version is not mandatory in Discrete Manufacturing, but it is mandatory in Repetitive Manufacturing. Backflush is optional in Discrete Manufacturing, but it is mandatory in Repetitive Manufacturing. The Routing process is complex in Discrete Manufacturing, while it is simple in Repetitive Manufacturing. Discrete manufacturing is an order-based process, while Repetitive Manufacturing is a period-based (quantity) production process. In Discrete Manufacturing, transaction activities are carried out depending on the production order, while in Repetitive Manufacturing, transaction activities are carried out depending on the planned order. Finally, in Discrete Manufacturing, order settlement is carried out through Order-based Cost Control, while in Repetitive Manufacturing, settlement is carried out through Period-based Cost Controlling.

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