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A Look at Lean-
Transcript of A Look at Lean-
a study of work cell methods
A Look at the 8 Wastes
Lean Continuous Improvement Cycle
Cellular Flow and Advanced Work Cell Methods
Lean Workflow Methods
Case Studies and Current Staffing
What is Lean?
"An organization wide approach to creating an environment...with as little waste as possible"
The Reduction of D.O.W.N.T.I.M.E
6. Inventory (in excess)
8. Extra Processing
Time and Setup
Quality at the
Advanced Work Cell Methods
Static One Piece Flow:
The opposite of batching, the goal of one piece flow is for each operator on the line to process one product at a time with no interruption or build up of parts between each job on the line.
When one operator begins processing a part at a particular station and travels until they meet the operator in front of them. When they meet the operator in front of them, they travel back with no part until they meet the operator behind them. When they meet this operator behind them, they retrieve the part from this person and begin processing forward through the line until they meet the operator in front of them. This process continues with each operator “weaving” between stations similar to a relay race.
Operator in Motion (Rabbit Chase):
Multiple operators “Chasing” each other through a defined work loop. When the operator has traveled through the work loop, they start from the beginning of the work loop and begin again through the loop.
CASE STUDIES – WHERE DID STUDIES TAKE PLACE?
Particular work cell methods may be easier to implement in a short time span without Cell Re-design, Machine Automation, or Training.
Hands on simulations-Mock Cardboard Layouts
Modified Layouts for Improved Flow
Advanced Parts Delivery and Material Handling
LEAN CONTINUOUS IMPROVEMENT
2S, RD, 3.1 Scrap
1 = -$28.41
100 = -$2,841
1 x 1 = $19.78
10 x 10 = $1,978
Production Square Footage
What if each part is bad?
This could include waiting for parts, information, resources, tools, etc.
TIME = MONEY
$0.10 per every second wait is created by the Switch Met Line for a 2S, RD meter
1 HOUR WAIT = $376
Say these people make $30,000/year
1 Baseplate = $1.36
1,000 Baseplates = $1,360
+ the cost to store and handle
10 s travel for 10 covers = $0.006/meter
60 trips per hour = $0.36
480 trips per day = $2.88
This may not sound like much, but how much non-value added travel is taken each person, every day?
Double Handling, transferring documents to the computer, any excess work that is not required.
This will equate 2 times the cost it would require to do something only 1 time
10 minutes to move boards from PCB to C&I = $3.68 per move
Imagine the number of board moves from PCB to the rest of the factory per year...
2013 Impact = $74,346 Labor Savings from Centron Kaizen Event from May - December
2013 Savings = $11,868 square footage savings from Centron Kaizen Event and $30,700 WIP reduced on the floor
2013 Impact = $22,594 Labor Savings in ICS by improved packaging, allowing for Standard Work from September to December
This equates to savings on the front end of the process. By having quality at the source, we prevent errors before they occur.
Layouts to accommodate lean work cells
Advanced Material Handling Systems - Creform
Lean Development in International
CARDBOARD MOCKUP LOCATION
Currently, core washing is being analyzed to reduce setup time and eliminate double handling.
Divergence in meter type challenges us to reduce changeover time and setup as product mix shifts in 2014
N.on Engaged Employees
REDUCED CHANGEOVER AND SETUP
QUALITY AT THE SOURCE AND PREVENTATIVE MAINTENANCE
ADVANCED WORK CELL METHODS