Muda
Waste is an activity or process which don't add any value to the product which means for which customer didn't
pay
There are 7 Types of wastes in any System which is known as TIM WOOD
TRANSPORTATION: Movement of information that does not add value:
Carrying documents to and fro from shared equipment
Taking files to another person
Going to get signatures
INVENTORY: More information, project, material on hand than the customer needs right now:
Files waiting to be worked on
Open projects Office supplies
E-mails waiting to be read
Unused records in the database
MOTION:Movement that does not add value
Searching for files
Extra clicks or key strokes
D Clearing away files on the desk Gathering information
Looking through manuals and catalogs
Handling paperwork
WAITING: Idle time created when material, information, people or equipment is not ready.Waiting for:FaxesThe
system to come backCopier machineCustomer responseA handed off file to come back
OVER PRODUCTION: Generating more information than the customer needs right now:
More information than the customer needs
Creating reports no one reads
Making extra copies
More information than the next process needs
OVER OPERATION:
1. Using more expensive equipment or tools where simpler ones would suffice.
2. Having meetings that are not needed.
3. Having people at meetings that are not required.
4. Agenda points, not to be included;
Efforts that create no value from the customer
viewpoint:
Creating reports
Repeated manual entry of data
Excessive paperwork
Duplicity of work
Use of outdated standard forms Use of inappropriate software
DEFECTS
Work that contains errors, rework, mistakes or lacks something necessary:
Data entry error
Pricing error
Missing information
Missed specifications
• Lost records
a Rework
Rescheduling meetings
Muri
Overburdening equipment or operators by requiring them to run at a higher or harder pace with more force and
effort for a longer period of time than equipment designs and appropriate workforce management allow.
Some Reasons for MURI:
Working on processes you are not trained in
Poorly laid out work places
Unclear instructions
Lack of proper tools and equipment
Improper Work Distribution
MURI = Physical Strain, Overbourden
Bend to work?
Push hard?
Lift weight?
Repeat tiring action?
Wasteful walk?
Placing of excessive demands on People M/Cs, Production equipment.
Muri is caused by the respect of unsuited standards
Mura
UNEVENNESS IN P&S
Mura is the variation in the operation of a process not caused by the end customer.It is the unevenness, unbalanced
work on machines. Mura results when employees are told to work like crazy early in the morning only to stand
around and do nothing late in the day. Result: Excess capacity allocation and increased cost.