
The Difference Between Push and Pull
This post focuses on the difference between push and pull in Lean. The goal of Lean is for every process to “flow value at the pull of the customer.” The key terms in this statement are defined below: [caption id="attachment_3048" align="alignright" width="150"] This symbol represents "pull" in Lean value stream mapping[/caption] The ultimate Customer is the end-user – who the product or service is providing value for. The other customer is the next step in the process. What does the next step need, and when do they need it? Flow refers to how value is created in a process. In a “perfect process,” value is created during every step, without any waste (or delay) in the process. Value is defined by the customer (end-user or next step). Every step…