Liturgical Publications Final Presentation
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Transcript of Liturgical Publications Final Presentation
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Weight Tolerances Continuous Improvement Project
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Liturgical Publications Inc.Because Vibrant Churches Matter
INTRODUCTION
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TEAM
Project Owner: Jeanne Krien
Manager: Ken Pranger
Project Sponsor: Tracey Rogers
Advisor: Prof. Alireza Kabirian
Team: Anuj Bindagi
Bhanu Poreddy
Joanna Rumbley
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PROFILE
Product: Church Bulletins
Accounts: Approximately 800
Volume: Customer order (Varies)
Time: Weekly
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Current Issue● Wrong shipment to wrong
account● Less or more quantity than
ordered
PROBLEM
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GOAL
To Establish Acceptable Range of Weights for Shipped Packages by
Account
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Our Approach
04 Improve
01 Define
02 Measure
03 Analyze
05 Control
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Define
Establish a target weight for orders based on:
1. Quantity of bulletins (including overage)
2. Paper type
3. No of pages in a bulletin
4. Weight of the box
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Define
SHIPPED WEIGHT▪ Checked at shipping
COMPARE
THEORETICAL WEIGHT RANGE▪ Formula based calculation
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Measure
Paper▪ Regular▪ Gloss
Paper Size▪ 11X17 (4 Pg)▪ 11X22 (5 Pg)▪ 11X25.5 (6 Pg)
Printing▪ Inkjet▪ Offset
Box Size▪ AA ▪ B ▪ C ▪ D
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Measure
Available Data
▪ Order Quantity ▪ Quantity Printed ▪ Quantity Shipped
▪ Paper Type ▪ Paper Size ▪ Printing Type
▪ No of Boxes Shipped
▪ Shipped Weight ▪ Number of Pages Per Bulletin
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Weight of one sheet of paper for Gloss and Regular and for all three
paper sizes
DATA CALCULATED
Measure
Weight of 4 types of Boxes
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Analyze
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Analyze
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Analyze
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Analyze
▪ Calculated weight = (Number of pages in one order) X (Weight of one page)
▪ Lower limit = (Calculated weight) + (Number of boxes) X (Weight of AA box)
▪ Upper limit = (Calculated weight) + (Number of boxes) X (Weight of D box)
*Round Down Lower limit and Round up upper limit
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Analyze
Theoretical weight range Shipped weights
Compare
48 - 51 45, 50, 50, 50, 51, 52, 60
53% of all data fits within theoretical ranges
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Improve
Using▪ No of Bulletins▪ No of Sheets▪ Weight of each
sheet▪ Box weights
Using▪ Calculated
weight▪ SPC Charts
Using▪ Calculated
range ▪ Shipped weight▪ Minitab & Excel
CALCULATE WEIGHT ADD RANGE COMPARE
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Target Weight = (Weight per sheet*No. Of sheets) + Weight of the boxes
● Number of sheets = (No. of printed sides per bulletin) X (Total bulletin quantity)
Improve CALCULATE WEIGHT
No. of sides
11X17 4
11X22 5
11X25.5 6
Weight per sheet
Regular Gloss
0.0051795 lb 0.006944 lb.
Box Weight
AA 0.40 lb.
B 0.50 lb.
C 1.05 lb.
D 1.40 lb.
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Improve
Control Charts in Minitab
▪ Mean
▪ UCL
▪ LCL
▪ Control charts
▪ Outliers
SPC method in Excel
▪ Mean
▪ UCL
▪ LCL
▪ Control charts
▪ Equations for 95% accuracy
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CONTROL CHART - Minitab
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CONTROL CHART - Excel
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Formula SPC - Excel
SPC Range Given Data
44.5 - 58 45, 50, 50, 50, 51, 52, 60
*Equation calculates for 95%
accuracy
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● Set mean and control limits for multiple ranges of
bulletin quantities
● Define how control limits change based on paper type,
number of boxes
● Enable LPi to check box weights against given upper and
lower control limits to ensure 95% accuracy or more
Control
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▪ Inkjet printed exact number; offset was manually controlled by operator
▪ Data outliers▫ Reshipments▫ Shipments to two or more locations
Challenges
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THANKS!
Any questions?