Simulation of Cold Forging - CPM wire 2018 · CPM GmbH, Herzogenrath (c) Dr. Gerhard H. Arfmann CPM...
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1 (c) Dr. Gerhard H. Arfmann CPM GmbH, Germany Presentation to Henan University of Science and Technology, Luoyang, China 12.03.2012 1 CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik Simulation of Cold Forging - examples of applications from around the world - Dr. Gerhard H. Arfmann CPM GmbH, Herzogenrath (c) Dr. Gerhard H. Arfmann CPM GmbH, Germany Presentation to Henan University of Science and Technology, Luoyang, China 12.03.2012 2 CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik CV Dr. Arfmann Till 1974 High School at Kreisgymnasium Halle, Halle Westfalen, Germany 1976 - 1981 Electrical Engineering at Aachen University of Technology , Aachen, Germany 1977 - 1983 Mechanical Engineering at Aachen Universtiy of Technology, Aachen, Germany 1984 - 1990 Research at Institute of Metal Forming at University of Technology Aachen, Germany Since 1990 CEO of CPM GmbH, Herzogenrath, Germany Academic Degrees: 1981 Dipl.-Ing. (Electr. Eng.) 1983 Dipl.-Ing. (Mech. Eng.) 1999 Dr.-Ing. (Met. Forming) Memberships VDEh Association of Steel making Engineers VDE Association of Electric Engineers ICFG International Cold Forging Group DSV German Fastener Association (via CPM GmbH) GCFG German Cold Forging Group (via CPM GmbH)
Transcript of Simulation of Cold Forging - CPM wire 2018 · CPM GmbH, Herzogenrath (c) Dr. Gerhard H. Arfmann CPM...
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(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Simulation of Cold Forging
- examples of applications from around the world -
Dr. Gerhard H. ArfmannCPM GmbH, Herzogenrath
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
CV Dr. Arfmann
Till 1974 High School at Kreisgymnasium Halle, Halle Westfalen, Germany
1976 - 1981 Electrical Engineering at Aachen University of Technology , Aachen, Germany1977 - 1983 Mechanical Engineering at Aachen Universtiy of Technology, Aachen, Germany
1984 - 1990 Research at Institute of Metal Forming at University of Technology Aachen, Germany
Since 1990 CEO of CPM GmbH, Herzogenrath, Germany
Academic Degrees: 1981 Dipl.-Ing. (Electr. Eng.)1983 Dipl.-Ing. (Mech. Eng.)1999 Dr.-Ing. (Met. Forming)
Memberships VDEh Association of Steel making Engineers VDE Association of Electric EngineersICFG International Cold Forging GroupDSV German Fastener Association (via CPM GmbH)GCFG German Cold Forging Group (via CPM GmbH)
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(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
History and Business of CPM GmbH
1997 Founded in 1987 by Professors and Engineers of Aachen University of Technology as part time business in Aachen
1990 Moving the company to Herzogenrath and run it as full time business
1992 Management buyout by Dr. Arfmann and Dr. Twickler
1990-2000 Intensive Extending of the business in Europe , Brazil and India
2000 ff. Extension of business to Asia
2004 First Activities in China
Simulation Sales Agencies: Japan, Korea, Taiwan, China, SE Asia, India, Turkey, Russia, UK, France, Spain, Italy, Brazil, Argentina, (Mexico)
Focus of business: Research, Consulting, Simulation
Customers/Partners: Companies from Hot and Cold ForgingMachine, Tool , Material and other Suppliers to Forging IndustryUniversities
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
20 Years of simulation in Cold forming-What are the standard applications in industry?
- Process design- Geometrical failure- Material flow- Tool design- Tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Conventional process
Production of a shock absorber
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Single stage process
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
Production of a shock absorber
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Simulation of the single stage process
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
Production of a shock absorber
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Simulation of the single stage process
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
Production of a shock absorber
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Test of new processes
Simulation of a „cross“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Traditional process
Simulation of a „valve tappet“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Traditional process
Simulation of a „valve tappet“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
New process
Simulation of a „valve tappet“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
New process
Simulation of a „valve tappet“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
traditionell process
Simulation of a „Brake Pisten“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
traditionell process
Simulation of a „Brake Pisten“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
new process – osen-
Simulation of a „Brake Piston“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Comparison – work needed
Simulation of a „Brake Piston“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Comparison – work needed
Simulation of a „Brake Piston“
Since both processes need the same work (besides small differences in friction etc) the Osen process requires less load.
The Osen process requires about 180 to while the backward extrusion requires 450 to.
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Inner race – process developement
Production of an „inner race“
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of an „inner race“
1. forming
2. forming
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of an „inner race“
No sufficient filling (normal pressure on surface)
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of an „inner race“
No sufficient filling (normal pressure on surface)
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of Cages
Product
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of Cages
New process using „osen“ technology
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of Cages
New process using „osen“ technology
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a shock absorber body
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a shock absorber body
New process using „osen“ technology
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of valve spring retainers
Progression to produce a retainer
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of valve spring retainers
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of valve spring retainers
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of valve spring retainers
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of valve spring retainers
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of valve spring retainers
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a nut
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a nut
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a nut
Premature tool failure
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a „bolt“
Premature tool failure in station 4
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a „bolt“
Premature tool failure in station 4
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a „bolt“
Premature tool failure in station 4: old layout
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a „bolt“
Premature tool failure in station 4: old layout
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a „bolt“
Premature tool failure in station 4: old layout
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a „bolt“
Premature tool failure in station 4: new design
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a „bolt“
Premature tool failure in station 4: new design
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a bolt - tooling
Design of a die
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a bolt - tooling
Design of a die
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a bolt - tooling
Pressure on die surface
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a bolt - tooling
Tangential stress without pre-stressing
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a bolt - tooling
Pre-stressing system design
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a bolt - tooling
Tangential stress in the insert (with pre-stressing )
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Production of a bolt - tooling
Tangential stress in the insert (with pre-stressing )
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
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CPM Gesellschaft für Computeranwendung, Prozeß- und Materialtechnik
Trust in “eesy” simulation
Customers are happy to solve their daily problemswith simulation
Thank you for your attention
(c) Dr. Gerhard H. Arfmann CPM GmbH, GermanyPresentation to Henan University of Science and Technology, Luoyang, China 12.03.2012
