Seminar on “Value Stream Mapping”

Introduction: Value stream mapping is a lean-management method for analysing the current state and designing a future state for the series of events that take a product or service from its beginning through to the customer. At Toyota, it is known as “material and information flow mapping”. It can be applied to nearly any value chain.

Name of Faculty
11th March, 2017
Mechanical Engineering
Prof. Swapnil Nawale


Value Stream Maps are usually drawn using a set of standard symbols, some of which can be seen here.

Value stream mapping has supporting methods that are often used in Lean environments to analyze and design flows at the system level (across multiple processes).

Although value stream mapping is often associated with manufacturing, it is also used in logistics, supply chain, service related industries, healthcare, software development, product development and administrative and office processes.

In a build-to-the-standard form, Shigeo Shingo suggests that the value-adding steps be drawn across the centre of the map and the non-value-adding steps be represented in vertical lines at right angles to the value stream. Thus, the activities become easily separated into the value stream, which is the focus of one type of attention, and the ‘waste’ steps, another type. He calls the value stream the process and the non-value streams the operations. The thinking here is that the non-value-adding steps are often preparatory or tidying up to the value-adding step and are closely associated with the person or machine / workstation that executes that value-adding step. Therefore, each vertical line is the ‘story’ of a person or workstation whilst the horizontal line represents the ‘story’ of the product being created.

Value stream mapping is a recognised method used as part of Six Sigma methodologies.

This seminar was very helpful for students to understand practical applications of mechanism in vehicles. The response from the students for the particular topic was overwhelming. This topic fulfils the gap in the curriculum for theory of machines subject.