Date post: | 20-Aug-2015 |
Category: |
Automotive |
Upload: | fluxtrol-inc |
View: | 9,640 times |
Download: | 0 times |
Induction Heating in the Powertrain Industry
Valentin Nemkov, Robert Ruffini, Robert Goldstein Centre for Induction Technology, Inc.
Chester Grant, Shekhar Wakade
GM Powertrain
Overview
• Advantages of Induction Heating
• Status of Induction Heating in the Powertrain Industry
• Advancements in the Induction Technique
• Education in Induction Heating
• Need for Cooperative Efforts
Advantages of Induction Heating
• Short Heating Cycles and High Production Rates
• Better Metallurgical Results
• Good Control and High Repeatability
• Small Surface Oxidation and Decarburization
• Low Distortion
• Favorable to the Industrial Environment
Status of Induction Heating
• Widely Used in Powertrain Industry
• Relatively Old Equipment and Technology
• Relatively Short Coil Lifetimes
• Depletion of Experienced People
• Demand for Improved Induction Technique
Major Applications of Induction Heating
• Surface Heat Treating
– Hardening
– Tempering
• Sintering
• Shrink Fitting
• Forging and Forming
• Brazing
Demand for Improved Induction Technique
• Existing Equipment is Relatively Old
• Tighter Product Requirements
• Faster “Time to Market”
• Continuously Changing Requirements
• Tougher Environmental Standards
Advancements in Induction Technique
• DFIH Strategy
• Power Supplies and Control Systems
• Computer Simulation Tools
• Induction Heating Coils
• New and Emerging Technologies
DFIH Strategy
• Material Selection
• Part Geometry
• Heat Treatment Specification
• Sequence of Operations
• Material Handling Equipment
Power Supplies and Controls
• Solid State Power Supplies
• Small Size and Weight
• Higher Efficiency
• Greater Adaptability and Controllability
• Faster Response Times
• Intelligent Control Systems
• Process Monitoring and Recording
Benefits of Computer Simulation
• Faster Process Development
• Accurate Results
• Demonstration of the Entire Dynamics of the Process
• Leaves Records for Future Study
• Improves Knowledge Base
• “Human Factor”
Computer Simulation Uses
• Education and Self-Education
• Research and Development
• Case Studies
• Process and Equipment Design
• Advertisements and Business Presentations
– See more about software on www.induction.org
Computer Simulation Strategy
3D
2D, Electromagnetic or Thermal
1D, Electromagnetic + Thermal
2D, Electromagnetic +
Thermal
Rule of Pyramid for Induction Heating Computer Simulation
Induction Heating Coils
• Better Coil and Process Efficiency
• More Precise Heat Pattern Control
• New Materials for Magnetic Flux Control
• Longer Coil Lifetimes
• Coil Manufacturing Technology
• Computer Assisted Design
Status of Education in the Induction Technique
• No University Curriculum
• Mainly Self Education
• In-Plant Training
• Generic Induction Heating Seminars
• Emerging New Opportunities
New Opportunities for Education
• Computer Simulation and Educational Tools
• Modern Courses and Course Books
• Remote Education via Internet
• International Networking
Industry Collaboration
• Group Development of Basic Technologies
• Development of System for Education
• Development of Teaching Tools
• Development of Focused Computer Simulation Programs
• Development of Material Property Database for Induction Heating
Conclusions
• Induction Heating Is Not Being Used to It’s Full Potential
• Many Old Processes and Equipment are Obsolete
• Induction Personnel Require Education and Knowledge Updating
• Cooperative Efforts are Required in:
– Education
– Material Property Database
– Improved Induction Coil and Process Design