Evaluation of different levels of prestressing for cold forging tools by numerical simulation analysis

Cold extrusion is known as a metal forming process and used due to its dimensional precision. However, the process definition is obtained by empirical methods where experiments are performed previously and based on a “trial and error” method. To reduce costs, companies have been looking for the supp...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2018-10, Vol.98 (9-12), p.2487-2495
Main Authors: Silveira, Fabricio Dreher, Schaeffer, Lirio
Format: Article
Language:English
Subjects:
CAE) and Design
Cold extrusion
Cold forging
Computer simulation
Computer-Aided Engineering (CAD
Empirical analysis
Engineering
Error reduction
Extrusion
Forming
Gear teeth
Industrial and Production Engineering
Low carbon steels
Mathematical models
Mechanical Engineering
Media Management
Metal forming
Original Article
Prestressing
Simulation
Software
Spur gears
Tool steels
Tooling
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Summary:Cold extrusion is known as a metal forming process and used due to its dimensional precision. However, the process definition is obtained by empirical methods where experiments are performed previously and based on a “trial and error” method. To reduce costs, companies have been looking for the support of numerical simulation softwares with metal forming application. This study describes the investigation of the effect of different levels for prestressing of cold extrusion gear tool by using the software Simufact Forming. The dimensional deviations of the gear tooth were obtained from two numerical simulations and compared. The application of shrink rings for the prestressing of tooling was evaluated using two different methods to compare their efficiency. The first one is using conventional shrink rings with tool steel, while the second is the stripwinding concept developed by the company STRECON. To produce spur gears, the low carbon steel SAE 10B22 was used.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-018-2351-9