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Lean production

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what is lean production
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lean production as an approach to operations
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that seeks to maximize the creation of value for customers
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and eliminate waste if the sent a little confusing
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let me explain value
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in this sense is that the actual process customer
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will be willing to pay for. waste means any part of the production process
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that does not have value. take this very simple example
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imagine a burger bar cafe. four staff rush around a great big kitchen
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burgers are kept on one side to the kitchen and
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plates on the other. periodically
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one member og staff has to take dirty plates upstairs
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to do the washing up. although the burger bar is really busy
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was about three big freezes. the manager buys in bulk
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to obtain the best possible price on the basis of sales
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the cafe could manage with one freezer. pause the video
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to answer this question. what waste
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and inefficiency could you identify in this example
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lean production
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involves using several interrelated concepts. these concepts
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are minimising waste just in time production
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kaizen or continuous improvement
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and cell production. each concept
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is explained below. minimising waste first two-goal lead
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reducing waste could improve profits
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Toyota's chief engineer Taiichi Onoh
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a little something to the Pioneer Elite thinking identified seven issues to
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think
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about to reduce waste a good way to remember
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7 wastes is TIMWOOD. number one
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transportation also called travel time every time the product is moved stands
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the risk of being damage being lost
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or causing delay. in addition the effort involved represents a cost
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incurred for no added value for itself
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does not added the same from the consumer's perspective
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two inventory
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or stock holding some stock may be unavoidable
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but holding less stock reduces waste. number three
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motion. this refers to the unnecessary movement to
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workers or equipment worker constantly walking up the downstairs for instance
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is not doing anything productive but is
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added to production costs. number four
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waiting. sometimes a significant part
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of and individual products life spent
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waiting to be worked on. no value is gained from this way
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and it should be minimised. number five
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overproof over processing if complex
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or expensive tools are used to perform a task when
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another tool would do the job just as well, there's ways to resources
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number six overproduction
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overproduction means making more products than are needed
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to meet existing orders. number seven
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defects. whatever product defects occur on the production line
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extra costs are incurred in fixing the product or making a replacement
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another spectively production is
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just in time production or JIT. just in time production
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focuses on reducing inventory waste. this is achieved through minimizing stock
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holding
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using just in time stock control and utilize the production capacity
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products are produced just in time
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to meet orders, not stockpiled. for minimal stock holding
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a more flexible taken that will quickly to add value
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as they don't have to get rid of much stock before switching
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to make new products. kaizen
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continuous improvement this is about
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everyone continuously striving to improve production
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not just management. it requires a decentralized organization structure
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and regular team meetings. sometimes workers
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are given the power to halt production where they see a problem that needs
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addressing
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workers might be given training to help them be more analytical
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the philosophy of Kaizen relies on gradually making small
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often quite simple improvements to processes and activities to improve value
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through improve quality very often
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cell production it's about looking at production process
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as a series of separate but it to lift parts
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rather than world's single process
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production workers a group did two teams or cells
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each cell is delegated responsibility for a particular part of
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the production process. for example in the assembly of airliners
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one cell bear responsibility for their plane wheels
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onothercell for leading gear, and so on
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teams are treated as internal customers or suppliers
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for example the team making airplane wheels are suppliers to the team that makes the
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landing gear
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each team has to try to provide value to their internal customers
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so to sum up, lean production
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is when a number of interrelated concepts can be used to help create value
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lean production involves minimising waste
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just in time production, kaizen
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and cell production
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you might like to try these activities
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question one what is the overall
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aim of lean production
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question two what do you see as the benefits
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of lean production
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