What is Line Balancing

What is Line Balancing and how to improve manufacturing productivity by Yamazumi Chart.
This video was made in collaboration with Fabrizio Cireddu (Founder of the Linkedin Group - Lean Manufacturing and Kaizen).
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▶ Here there is the transcript of the video:
Dear Members,
In this video you will learn :
How to improve productivity in a process
What is Yamazumi and how to use it
What is Line Balancing and how to do it
▶ What is Yamazumi?
Image your process is done by 6 working stations with work content described as in this graph.
To improve and increase productivity the first tools to use is Yamazumi.
▶ How to use Yamazumi Chart:
Step 1: Divide each process in micro-work contents
Step 2: For each micro-work content, you have to ask yourself if it is
· Value added ( does change the product?)
· Is it a waste?
· Semi Value added (is waste required by the customer)
Step 3: Run kaizen events to remove the waste
The outcome of the Yamazumi workshop is to reduce Cycle time and improve productivity by removing wastes.
After Yamazumi workshop, you have to focus on Line balancing
▶ What is Line Balancing?
Referring to the previous process, you observe that there are differences between work station load (from 4 sec to 12 sec) and there is too much waiting time comparing the Takt Time.
The cycle time is 42 sec and your Takt time is 15 sec.
How many people theoretical is necessary to run this process?
Let us imagine that in the current condition the process is designed with 1 operator for each station.
To calculate the theoretical number of operators, the staffing formula is used:
Cycle Time divided Takt Time.
In this example:
42 sec divided 15 sec equal around 3 people (2.8 people)
Because of this difference between the current process and the theoretical staff, it is possible to run a kaizen event to balance work content between stations and combine the working activities between stations to go from 6 operators to 3 operators.
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#LeanVlog #Line_Balancing #What_is_Line_Balancing

[@hassanchraibi2022]

Quality content that is unfortunately not viewed or recognized enough. Keep on the excellent production!

[@LeanVlog]

Thank you Hassan. I would like to convince more people as possible to be lean.

[@a.h.m.shakilaktar6781]

Very good. Thank you

[@linkxue201]

great stuff 😃

[@a.h.m.shakilaktar6781]

Thank you

[@NhanNguyen-mb1qv]

Thank you for the video!
I have a question, can I eliminate non-value added operation and then I apply Line Balancing?

[@manuelbardales6811]

Excelent!

[@SamsungSourcing]

Hello, thanks for your very useful video content. Would you mind if sending me ppt file for this video? Thanks in advance

[@beginrabbit]

you should reduce cycle time from 42 to 36 before line balancing

[@Suchbolo78]

Very nice explanation

[@LeanVlog]

Thank you!

[@pixiegem]

This seems to be for manual processes. What about line balancing for automatic processes?

[@LeanVlog]

Dear Gemma, this works even for automatic processes.
Anyway, there is no process 100% Automatic, there is always a manual percentage in any operation.
If you have a different example please share.

[@pixiegem]

@@LeanVlog I have worked with automatic processes for coca-cola bottling. The main purpose of the operator is to attend to any machine stoppages and to replenish the occasional reel of labels on an auto-splice splice. The only way they could affect the bottleneck would be to turn the speed down on the bottleneck machine. Here we used line balancing to refer to the speeds the conveyors are set to in order to prevent bottles knocking into each other and falling over.

[@Semangat04]

May you give me book/ reference about it sir, plz

[@LeanVlog]

Sure: write me [e-mail]

[@a.h.m.shakilaktar6781]

Thank you

[@LeanVlog]

I hope it helps.