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Blogs by

Christian Reinboth

For all SCN community members with a special interest in one of these topics: My former SAP professor at Harz University, Prof. Dr. Hans-Jürgen Scheruhn (who is also active here on the SCN), will give

There are two types of variation in production and service processes – common cause variation and assignable cause variation. The common cause variation is the “usual” variation that is caused by statistical anomalies in the

To calculate the capability score (e.g. of a machine used in production or of a supplier), only three variables are needed: The lower and the upper specification level as well as the standard deviation: LSL

A Kanban system is a visual way to implement a pull system. The basis of the system are the so-called Kanban cards, which basically are work authorization forms. Only if such a Kanban card is

When trying to calculate the costs associated with the production of defective parts and / or service results, it is pivotal to determine where in the process the defect has arisen. If an error occurs

Should a damaged unit be dropped from the process or should it be reworked? In order to answer that question it has to be noted, that reworking defects can turn a process step into a

There are two basic dimensions of quality: Performance quality measures to what extent a product or service meets the expectations of the customer. Conformance quality measures if processes are carried out the way they were

The previous models all assumed, that customers would wait as long as it takes in order to get processed. In more realistic models, customers will leave the process before getting served because the waiting time

Instead of simply trying to optimize processes in order to cut down on waiting time, it is also important to look at the customer experience as a whole. How does, for example, a patient experience

All previous contemplations were based on the idea that customers would be served in exactly the order in which they arrived. But is that an optimal procedure? The idea behind sequencing (which is also called