What is an example of value stream mapping?
Examples are inventory type and size, cycle time, change-over time, machinery or process uptime and downtime, number of workers, shifts worked, available working hours and batch size. All of these could result in finding efficiencies and cutting waste. Add that process data to the data boxes of your Value Stream Map.
What is Heijunka in lean manufacturing?
Heijunka is a Lean method for reducing the unevenness in a production process and minimizing the chance of overburden. The term Heijunka comes from Japanese and literally means leveling. It can help you react to demand changes and utilize your capacity in the best possible way.
How do you get a Heijunka flow?
To achieve Heijunka, a company should do the following:
- Step 1: Standardize work. Attempting to standardize work is a simple first step to know how and where to improve it.
- Step 2: Work on improving the takt time.
- Step 3: Sequencing.
How is value stream map implemented?
Value Stream Mapping in 7 Steps
- Document the current process.
- Identify and list every step in the process.
- Identify customer value.
- Define what the perfect process looks like.
- Identify those parts of the current process that get in the way of perfection.
- Identify major initiatives to reduce or eliminate waste.
What is the difference between process mapping and value stream mapping?
“The biggest difference is that value stream mapping is focused on driving process change, while process mapping, mining and discovery are well-suited to making existing processes more efficient,” said Sylvie Thompson, associate partner of the digital supply chain practice at Infosys Consulting.
What is heijunka and how does it work?
Heijunka (hi-JUNE-kuh) is a Japanese word for leveling. It is part of the lean methodology of process improvement that helps organizations match unpredictable customer demand patterns and eliminate manufacturing waste by leveling the type and quantity of production output over a fixed period of time.
What are three main elements of heijunka?
There are at least five elements of HEIJUNKA: the interval in which all products will be produced (1) a fixed sequence of products (2), a predetermined inventory policy (3), variable number of items for each product (4) and the direction for improvement (5).
What is heijunka and how is it implemented?
Heijunka (pronounced hi-JUNE-kuh) is a Japanese word that means “leveling.” When implemented correctly, heijunka elegantly – and without haste – helps organizations meet demand while reducing while reducing wastes in production and interpersonal processes.
How do I create a value stream map?
How to draw a value stream map
- Determine the scope of your value stream map. Create your start and end points first, and place them in the top left and right corners of your document.
- Map the steps of your process.
- Add inventory and wait times.
- Designate the direction of information flows.
- Create a timeline.
What is a heijunka box?
A heijunka box (it can likewise be a wheel or board) is a basic perception of production using kanban cards to flag creation as per a predetermined interval of work (e.g., per day). It is used by production staff on the floor and is profoundly respected in the visualizing processes.
How does heijunka provide predictability flexibility and stability?
Figure 1: Relationship Among Predictability, Flexibility and Stability Is Heijunka – When implemented correctly, heijunka provides predictability by leveling demand, flexibility by decreasing changeover time and stability by averaging production volume and type over the long term. Let’s look at leveling volume.
What is heijunka load leveling?
Level loading minimizes the disastrous effects of batches It is an important cornerstone upon which all lean flow systems are built. The idea of Heijunka Load Leveling is to intercept batches of kanban orders or sales orders (or whatever is being processed)
How to use heijunka to control the manufacturing schedule?
If done properly, Heijunka helps in avoiding batching, reducing finished goods inventories, reducing capital costs and also reducing production lead time. Here is an example of how to implement Heijunka to control the manufacturing schedule a) Determine the total monthly demand for each type of product.