Proceedings of the Iron ; Vol. 2 - GBV · AdvancedRollBite Lubrication Techniques for...
Transcript of Proceedings of the Iron ; Vol. 2 - GBV · AdvancedRollBite Lubrication Techniques for...
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Proceedings of the
Iron & Steel Technology Conference
Volume II
6-9 May 2013
Pittsburgh, PennsylvaniaU.S.A.
ASSOCIATION FORIRON& STEEL
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Ronald E. Ashburn, Publisher
Karen D. Hickey, Managing Editor
Christopher P. Brown, Lead Graphic Designer
Krista J. McGhee, Copy Editor/Graphic Design Assistant
A Publication of the Association for Iron & Steel Technology
TABLE OF CONTENTS
AISTech 2013 - Volume II
CONTINUOUS CASTING
Caster Mold Flow improvement Through Mold Level Control
Effect of Electromagnetic Braking (EMBr) on Turbulent Flow in Continuous Casting J 323
R. Singh, B.G. Thomas, S.P. Vanka
Distribution of Defects in Slab and Suppression ofUnbalanced Flow by
Electromagnetic Brake in Continuous Casting Mold -
037
Kouhei Furumai, Yutaka Matsui, Takesi Murai, Yuji Miki
Bulging and Waving —Difficult Challenges for Automatic Mold Level Control 1343
Silvio Cecchini, Robert ZirkI, Michael Pillwax
Slidegate Dithering Effects on Transient Flow and Mold Level Fluctuations 0351
Rui Liu, Brian G. Thomas, Love Kalra, Tathagata Bhattacharya, Aloka Dasgupta
Long Products — Quality Improvements
WAVE Mold for Billet Casting Applications 1365
Ian A. Bakshi, Martin Garcia, Don P. Lorento
A Fluid Flow and Steel Intermixing Study of a Round Billet Mold 037/3
Ken Morales-Higa, R.I.L. Guthrie, M. Isac, Rodolfo D. Morales, Chantal Labrecque. Francis Lapoime
Continuous Casting New Technology
HD Mold— Caster Assistance Systems to Increase Product Quality 1385
J. Wans, D. Lieftucht, C. Geerkens, M. Anberger, M. Reifferscheid
CSP® Casting Technology —The Most Innovative, Flexible and Reliable
Technology to Meet New Market Demands -1393
Jiirgen Midler, Christian Geerkens, William H. Emling
Caster Process Improvements for Quality
Analysis of Directly Measured Heat Transfer Coefficients During Special Experiments to
Provide Better Understanding of Secondary Cooling During Continuous Casting Process 141)1
Jaroslav Horsky, Jana Ondrouskova, RudolfMoravec, Kenneth Blazek. Hangbm Ym
Initial Alumina Formation: Some Additional Thoughts Based on Laboratory and Steel Plant Findings ....1411
Wouter Tiekink
Effects of Dezincification on Continuous Caster Spray Nozzle Assemblies 1417
A.M. Dalle}', T.T. Natarajan, R.M. Koenig, E.K. Borges
FEM Analysis of Soft Reduction Amount and Its Internal Reduction Efficiency for
Continuous Casting Railway Blooms 1427
Ke Liu, Haibo Sun, Peng Lan, Jiaquan Zhang
Laser Alignment of United States Steel Corporation's Gary Works No. 2 Caster 1439
R.M. Koenig, B.J. Branmim, J.L. McConnell, T. Domelle, M.O. Folk, K. Ferguson,
M.E. Anderson, K.E. Brown, T.T. Natarajan
CONTINUOUS CASTING/METALLURGY—
STEELMAKING AND CASTING
Caster Mold Technologies
Analyses of Phase Formation and Its Effect on the Thermal Resistance of Mold Flux 1451
K.L.S. Assis, P.C. Pistorhis
The Effects of Fluid Flow on Flux Entrainment in a Square Billet Mold 1461
Ken Morales-Higa, R.l.L. Guthrie, M. Isac, Rodolfo D. Morales, Chantal Labrecque, Francis Lapointe
A Novel Concept for Improving Slab Casting Performance Using Mold Thermal Analysis 1473
S1. Kumar, V. Hernandez
Study of Elevated Temperature Mechanical Properties of Steel 1483
J. Semenak, P. Zahumensky, T.J. Piccone, T. T. Natarajan
Effect of Hydrogen on Mold Heat Removal at a Rounds Caster 1497
T.J. Piccone, M. McClymonds, K.H. Hashimoto
Morphology, Soundness and Segregation Improvement of Bloom Castings byUsing Swirling Flow Nozzle 1509Haibo Sun, Yang Li, Jiaquan Zhang, Qingwen He, Liming Fan
CONTINUOUS CASTING/COMPUTER APPLICATIONS
Slab Caster Modeling Aspects for Quality Improvements
Advanced Simulation of Mold Flow Influenced by Static and Moving Magnetic Fields 1519
Norbert Vogl, Hans-Jiirgen Odenthal, Markus Reifferscheid, Jochen Schliiter
Metallurgical Behavior of the Ultrathick-Slab Continuous Casting Mold 1531
Feng Pan, Heiho Sun, Jiaquan Zhang
CONTINUOUS CASTING/MAINTENANCE AND RELIABILITY
Continuous Casting Maintenance Technology
Pulling the Four Levers of Reliability in a Continuous Caster Operation 1539Larry D. Frey, Charles P. Kuntz
Continuous Improvement of Mold Life at Severstal Columbus 1549George Gurley, Kamalesh Mandal, Doug Woods, Peter Sally, Mark Pole
CONTINUOUS CASTING/REFRACTORY SYSTEMS
Caster Refractory for Yield, Productivity and Quality
Stopper Rod Dithering Trials at ArcelorMittal Dofasco's No. 1 Continuous Caster 1557
Stephen Daeyoung Chung, Joydeep Sengupta, Mehrnoosh Afnan
HOT SHEET ROLLING
Hot Rolling Quality and Efficiency Improvements
Shape Performance Improvements at ArcelorMittal 80-Inch Burns Harbor Hot Strip Mill 1567
Aislan Costa, Brian J. Warnock, Gordon Book, Jeffrey A. Cox, Robert J. Capehart Jr.
Eliminating Bottom-Side Surface Scratches at the ArcelorMittal Burns Harbor 80-Inch Hot Strip Mill.... 1577
Thomas M. Mayrosh, Aislan Costa, John Cahill, BilliJ. McDowell, RoyL. Grinnell Sr.
Efficiency of "Secondary" Actuators of Flatness and Crown Control in the
Finishing Stands of the Hot Strip Mill 1587
E. Nikitenko
Study of Strip Tension of Coiling Wide Heavy-Gauge Strip 1591
Qiulin Yu, Andy Seibert
HOT SHEET ROLLING/PLATE ROLLING
Hot Plate and Sheet Discussions
Reheat Process Control Using Three-Dimensional Thermal Slab Model 1601
John E. Pond, Hamilton Woods, Virginia Woods
Steel Plates Made of Hot Band as an Economic Alternative to Plate Mill Products 1609
Hans Georg Hartung, Lutz Kiimmel, Kerry Winklhofer, Caesar Sasse
HOT SHEET ROLLING/ROLLS
Roll Shop and Hot Mill Advancements
The Effect of Strip and Roll Surface Temperatures and Rolling Campaign Length on
Hot Strip Surface Quality 1617
Zafer Koont, John J. Fitzpatrick, David J. McCaw
ChatterBlock®— Siemens VAI's Solutions for Vibration Detection, Prediction, Analysis and Control....
1625
ArnaudBizard, Karl Mayrhofer, Geog Keintzel, Lukas Pichler, Alois Koppler, Jiirgen Hofer
Residual and Load Stresses on the Final Load Situation for Work and
Backup Rolls for Strip and Plate Mills 1635
Michael Hinnemann, Paul JosefMauk
Advanced Roll Bite Lubrication Techniques for Improving Roll Life and
Making Quality ImprovementsJames E. Murphy III
1645
COLD SHEET ROLLING
Cold Mill Improvements
Minimum Quantity Roll-Gap Lubrication System —Field of Large Potential to Reduce Your OPEX ...
1655
Konrad Krimpelstatter, Andreas Flaxa
Correct Torque Limitation and Driveline Optimization 1663
Daniel Myrgren, Sigvard Weisbjerg, David Bergstrom
Cold Rolling Technologies
Multivariable Shape Actuation Capabilities Envelopes of Vertical-Stack Mills 1665
MarkE. Zipf
Lubrication in the Cold Rolling Process Described by a 3D Stribeck Curve 1681
B.A.F. Smeulders
A Semi-Analytical Solution of von Karman Rolling Equation With Infinitely Rigid Rolls —Part I 1691
Remn-Min Guo
A Semi-Analytical Solution of von Karman Rolling Equation With Roll Indentation — Part II 1703
Remn-Min Guo
Pickling and Continuous Annealing Technologies
Descaling Effectiveness and Saving Energy of i Box® Pickling TechnologyConfirmed by Numerical Analysis 1715
Kosei Tsuji, Akihiko Sasaki, Yoichi Kai, Ryusuke Nakatsuka
Development of Improving of Surface Qualities by Jet Spray Technology 1727
Kq/i Sakuragi, Hiroyuki Suzuki, Hiroshi Komura
GALVANIZING
Advances in Metallic Coated Sheet
The Effect of Heating Rate on A1N Formation in High Aluminum Content Fe-Al Alloys 1735
June Bott, Hongbin Yin, Seetharaman Sridhar
Interfacial Layer Formation in a Zn-23Al-0.3Si Galvanizing Bath 1747
Madhu Ranjan, Wim J. van Ooij
Study of Microstructure for Chromium-Free Passivating Coating on Hot-Dipped Galvanized Steel 1755
Ching-Kuo Kuo
PLATE ROLLING
Plate Rolling Operating Improvements
A Review of Benchmark Performance in Plate Mill Process Control 1763
J. Lee, R. Doll, B. Schmidt, M. Miele, M. Clark, M. Chalmers
Shape and Crown Control Optimization With Integrated Automation for
Reversing Hot Mills Lacking Sufficient Crown Control Devices 1775
C.C. Folkman
Requirements on Automated Manifest Flatness Measurement 1785
Par Kierkegaard
PLATE ROLLING/METALLURGY—
PROCESSING, PRODUCTS AND APPLICATIONS
Enhancing Steel Plate Properties Through Metallurgical Control
Control of Plate Thermomechanical Properties Using MULPIC Plate Cooling Technology 1799
/. Robinson, M. Hulley
Efficient Production and Enhanced Quality in Plate Rolling 1807
Wolfgang Spies, DetlefEhlert, Jiirgen Lemke
Transport Director— Complete Mill Simulation, Ghost Rolling and
Optimized Mill Sequencing Control 1817Paul Jackson, Wlodzimierz Filipczyk
Study on Cooling Uniformity for the Accelerated Cooling Process in Hot Rolled Steel Plate 1827
Wei Lo, Cheng-Tian Chian, Min-Shu Lin, Chao-Fa Ke
ROD AND BAR ROLLING
Automation and Electrical Mill Upgrades
Automation Control System for Different Solutions of Modern Roughing Mill 1835
Marco Capitanio, Roberto Migliorati, Arondi Stefano
Most Modern SBQ Production Technology 1845Guenther Schnell
Maintaining Bar Quality in the Rolling Mill
Quality Improvement of Billet for Wire Rods 1853Daisuke Michishita, Yoshiyuki Udo, Michio Ono, Toshifumi Idesako
Improvement in Billets Weighing Accuracy 1859
Seiji Okamoto, Yoshinari Takamiya, Yoshihiro Otagaki, Katsuyuki Isogami
Importance of Control Strategy for Oxy-Fuel Burners in a Steel Reheat Furnace 1869
Shailesh Gangoli, Gregory Buragino, Xiaoyi He, Erdem Arslan, Peter Verdermae, ReedHendershot,
Alex Slave]kov, FredBellis, Larry Bellis, James McCarthy, Roy Cross
Complex Profile Gauging 1875
Paul John Stuart Pugsley
Modernization Solutions for Long Product Rolling Mills to Increase Productivity,
Utilization and Product Quality 1883
B.V. Kiefer, S.M. Shore
Long Products: Pass Design, Rolling and Productivity
New Rolling Stands for Long Products Rolling Mills 1891
M. Tomba, M. Zuccato, A. Fontanini, N. Tomba
A Rolling Model for the Three-Roll Rolling Process 1899
Christian Overhagen, PaulJosefMauk
PIPE AND TUBE
Pipe and Tube Testing
Constraint-Modified Charpy-Sized Fracture Toughness Specimens for Line Pipe Testing 1913
M.P. Manahan Sr.
General and ERW Pipe
Barcode Identification of Pipes and Tubes 1923
DavidL. Anderson
Q&T Processes for OCTG 1933
B. Anderson
Advantages of Using FAAST-II (Fast Automated Angle Scan Technique) for
Ultrasonic Testing in Production of Seamless Pipe 1941
J. Micha Koelbach, Volodymyr L. Naida, VladimirN. Gurianov, Philippe Coperet
Radio-Based Distance and Positioning Systems Applied to Tracking and
Safety Applications in the Tubular Industry 1949
Dirk Bnmnengraeber, Edgardo La Bruna
Seamless Pipe
The Development of Water Based Lubricants for the Production of Seamless Pipe 1959P. Gandy
Increased Heating Throughput and 63% Less Fuel With Flameless Oxy-Fuel at
Michigan Seamless Tube— Seamless Tube & Pipe, South Lyon, MI 1967Tom Sleder, Les Whitver, Grzegorz Moroz, David R. Stoffel, Amanda Guzman, Anders Carlsson
ROLLS
Roll Surface — Rolled Material Interaction,Roll Material and Production Technologies
Latest Developments of a New Technology HSS Work Roll for Later Stands (F4-7) in
Hot Strip Mill Finishing Trains 1977
Nozomu Oda, Paul Fleiner, Toshiyuki Hattori
Multi-Scale Finite Element Modeling and Microstructural Evaluation of
Centrifugally Cast High-Speed Steel Finishing Rolls 1985
K. V. Redkin, J.S. Vipperman, C. Hrizo, R. Schleiden, C.I. Garcia
New Grade of Material With Improved Wear Resistance for Finishing Stands in a Universal Mill 2001
Giri Rajendran, Ian Sadler, Kevin Banner
Development of Materials for the Making of Rolling-Mill Rolls for Hot Strip Mills 2009
Marcos Machado Matsumoto, Claudia Regina Serantoni, Luiz Carlos Silidonio Jr., Juan Garcia Noguera,Mario Boccalini Jr.
Fracture Mechanics-Based Acceptance Criteria of CVC Rolls of Hot Strip Mill 2019
Yuli Liu, Hui Zhang, Bruce Somers, Kevin Marsden, Andrew Freborg
Roll Shop Technologies
Indefinite Chill Work Roll Microstructure Influence on Eddy Current Test Response 2033
Peter B. Nagy, Christopher M. Hrizo, Richard B. Gundlach
New Developments for Roll Shops 2049
Giovanni Boselli, Marco Cozzi, Paolo Gaboardi, Davide Quaglia, Erasmo Trenti
METALLURGY— STEELMAKING AND CASTING
Steelmaking Injection Technologies
Effect of Blow Parameters in the Jet Penetration by Physical Model of BOF Converter 2059Breno Totti Maia, Rafael Kajimoto Imagawa, Clayton Jose Batista, Ana Clara Petrucelli,Roberto Parreiras Tavares
Secondary Refining Optimization by Applying Ar-Gas Bottom Bubbling Auto-Control System 2075
Dong Ryoul Min, Choon Ho Jung, Kwang Yeol Kim, Frank L. Kemeny
Analysis of Splash Data from Oxygen Steelmaking 2083Shabnam Sabah, Geoffrey Brooks, Jamal Naser
ASIS Aluminum Injection Technology — Reduced Aluminum Consumption for Primary Dcoxidation....
2095A. Robert Necciai
Evaluation of BOF Slag Applied in Foaming Practice 2105Leandro Santini, Jorgelina Perez, Ariel Rapetto, Edgardo R. Benavidez, Elena Brandaleze
Tundish Design Improvements
Advanced SEM Methodology for Tracking Reoxidation in the Tundish 2113
Roger Maddalena
Some Ignored Aspects During Melt Transfer From Ladle to Tundish 2123
Kinnor Chattopadhyay, Jack Young
Optimization of Grade Transitions at the Caster 2135
/. Nikiforovski, T. Xu
Effect of an Optimized Impact Pad on Molten Steel Quality in a 4-Strand Delta-Shaped Tundish 2143
A. Kaiser Hamid, Mihaiela Isac, R.I.L. Guthrie
Slab/Bloom Mechanical Behavior
Mechanism Linking Austenitic Grain Size to Sliver Formation on
Hot Rolled Coils at ArcelorMittal Dofasco 2155
Elliot Biro, Joydeep Sengupta, Manh-Kha Trinh, Eva Dillon, David Colbert
METALLURGY— PROCESSING, PRODUCTS AND APPLICATIONS
Product Metallurgy and Quality I
The Development of X120 Line Pipe Steel Hot Rolled Coil 2165
Xiaodan Wu, Yutian Wang
Inclusion Determination in Steel 2175
M. Tillemen, A. Goncalves
Microstructural Characterization of Grey Iron 2183
JP Anil Mozhi Varman
Product Metallurgy and Quality II
Modernization and Energy Efficiency of HPH Bell-Type Annealing Plants 2189
Peter Wendt, Frank Maschler, Thomas V. Bovalina
Effect of Process Design and Operation on the Thermal and
Microstructure and Mechanical Properties 2201
V. Hernandez, K. Sanil
Carburizing of Steel 2213
Jaleel Kareem Ahmad
The Effects of Prior Austenitic Grain Size and Martensitic Hardness on
Hydrogen Embrittlement of 4340 Steel 2223
Mobbassar Hassan Sk, Rue! A. Over/elt, Jeffrey W. Fergus, Barton C. Prorok
ENERGY AND UTILITIES
Energy Utilization in the Meltshop
EAF Heat Recovery Down to 200°C — A New Benchmark 2235Carsten Born, RalfGranderath
Meltshop Baghouse Fan Blade Upgrade Project 2241Mark Drymalla, Adam Spece, ChadPrior, Dick Rappolee, Fred Preis
Energy Usage and Management Throughout the Steel Process
Optimized Energy Management and Planning Tools for the Iron and Steel Industry 2249Klaus Lachmann, Bing Wang, Yong Huang
Regenerative Burner vs. Oxy-Fuel Retrofits on Reheat Furnaces
EVRAZ Claymont Steel Pusher Reheat Furnace 100% Oxy-Fuel Conversion 2259Reed Heine, Bill Taylor, Ed Gee, Danielle Todd
Regenerative Firing vs. Oxy Fuel Firing: An Applications Approach 2265Steven J. O'Connor
Tenova Regenerative Flameless Burners on California Steel Industries' New Walking Beam Furnace....
2279Massimiliano Fantuzzi, Jared Kaufman
ELECTRICAL APPLICATIONS
Switchgear Improvements
The Benefits of Intelligent Motor Control in the Metal Making Process 2291David C. Mazur, John A. Kay, Kenneth D. Mazur
Extend the Life of Existing Switchgear 2301Miklos J. Orosz
New Approaches for Maintenance Grounding in Medium-Voltage Switchgear 2309Joe Richard, DavidMabius
Evaluation of Operating Reactance to Have Optimum Utilization of Electrical Power in EAF 2317SajalDam, Juan Ramon Fernandez Jorge, T. Nagarajan, Bipin Richharia, Milind Ranade, Alok Jaiswal
Modern Sensor Systems
Precise, Accurate and Reliable Thickness Measurement of Metal Strip WithContact Gauge in Cold Mills in the 21st Century 2323Libor Jaks, Robert Karasek
Position and Camber Measurement in the Hot Rolling Process: EMG hotCAM 2329Guido Eichert, Steve Devorich
2D Blast Furnace Top Gas Temperature Measurement System — SOMA 2339M. Tonteling, M. Brodeck, H. Rausch
Protection and Substation Systems
A Consideration of Medium Voltage Substation Primary Applications 2349
Joe Richard, James K. Stacy
Electrical Protection HMIs for Metals Applications Utilizing the IEC 61850 Protocol 2357
Michael E. Rourke, David C. Mazur
Combining Static and Dynamic Testing — Preventing a Motor Catastrophe 2369
Noah Bethel
Electrical and Drive System Upgrades
HD Mold — A New Fiber-Optic-Based Mold Monitoring System 2373
DirkLiefhicht, Markiis Reifferscheid, Thomas Schramm, Artemy Krasilnikov, Dieter Kirsch
Increasing Mill Production by Using Medium Voltage AC Drive and Active VAR Compensation 2383
Marcelo Lara, Steve Nelko, Katsuhiko Fukitma, Hiromi Hosoda
Preparing Your Electrical System for Disaster Recovery 2395
ChadKennedy
Repower of the Nucor Decatur Tandem Cold Mill 2403
J. C. Fernandez, Thomas Kerstiens, Lee McCreless, Thomas Richards, Marcelo Lara, Katsuhiko Fukuma
Modern Sensor Systems Sequel
Investigation ofAnalytical Stability of Quadrupole Mass Spectrometer in Decarburization Application 2417Charles W. De Carlo
Dither, a Necessary Evil — Phase 2 2427Aloka Dasgupta, Love Kalra, Kai Zheng, William Umlauf
Real-Time Torque Monitoring at North Star BlueScope Steel 2439Daniel Philips, Keith Hoffman, Chris Davis, Eleazar Serrano
COMPUTER APPLICATIONS
Modeling and Simulation
Combining Product Property Prediction Software and Metallurgical Level 2Model for New Product Development 2449Bingji Li
Novel Advanced Control for Tandem Hot Metal Sheet Rolling 2451John Pittner, Marwan A. Simaan
Process Communications and Operator Interaction
Innovative Approach to Apple Platform-Based HMI and Level 2 Systems 2465Mariano Zecchi, Edgardo La Bnma
Manufacturing Execution Systems (MES) in the Metals Industry
A Framework for Selecting the Most Appropriate Manufacturing Execution System (MES)for the Metals Industry 2473Kevin Jackson, Christian Roth, Roberto Resque de Freitas
Challenges of Integration Between MES and ERP Systems in the Steel Industry 2487Hooman Fazlollahi, Omair Qayyum, Jaber Howlader, Ali Khademi, James Gu
PROJECT AND CONSTRUCTION MANAGEMENT
Project Excellence Award Paper Session
Upgrade of the Burns Harbor Plate Mill Heat Treat Facility 2495M.L. Frankovich, B.C. Felton, V. Baum
Capital Project Insights
Leveraging Engineering Data Management to Improve Capital Projects 2505
Amy M. Callahan, Greg Anderson
MAINTENANCE AND RELIABILITY
Maintenance and Reliability
Optimizing Hydraulic Descaler Performance Through Improved Monitoring and Maintenance 2517David Matthews, Wanda Melfo, Lene Hviid, Didier Farrugia, Paul Yates, FrankHijne
Over-Voltage Transients in the Secondary Side of EAF Transformers 2527Marcelo Murta G. Cardoso
Reliability Achievement Awards
2012 Silver Reliability Achievement Award Winner: Reducing Descale Pressure andFlow Improves Reliability While Maintaining Descale Effectiveness 2539Jason C. Vicari
2012 Gold Reliability Achievement Award Winner: A Practical Engineering Approach to
Improving the Reliability of Blast Furnace Tuyeres 2545Charles Copeland, Stuart Street
LUBRICATION AND HYDRAULICS
Lubrication
Studies of Microporous Polymeric Lubricants in the Steel Industry 2565Amy MinckLachman, Brandon M. Collins, Franklin H. Guzzetta, Alan J. Heckler
Optimization of a Cold Mill Rolling Oil for Grain-Oriented Electrical Steel 2571James DiLonardo, Carl Kennedy
REFRACTORY SYSTEMS
Steelmaking Refractories
New Refractories and Nanotechnology: Challenges of Carbon-Based Nanomaterials for Steelmaking 2579
Guilherme Frederico B. Lenz e Silva
Latest Developments in Magnesia-Carbon Bricks for Modern Electric Arc Furnace 2583
Gerald Buchebner, AshrafHanna, Karl-Michael Zettl
MATERIAL HANDLING/PACKAGING, SHIPPING
AND TRANSPORTATION METHODS
Material Handling
Guarding Equipment 2593
Paul Vandergeest
Inventory Management System for Slab Tracking 2599
Gordon Kilgore, John Burnett
Material Handling: Focus on Safety With the Customization of
Lifting Devices and Plant Wide Evaluations 2609
John Novak, Kirk Rounds, Larry Arnold
CRANES
Cranes
Taper Wheels Should Not Be on EOT Cranes! 2621
Charles A. Totten
A Study of an Improved Overhead Crane Wheel Flange Lubrication System 2631
Alan J. Heckler. Brandon M. Col/ins, Amy Minck Lachman, Franklin H. Guzzetta, Tiiomas Coyle