Objective
CAD/CAM modules were produced for the design and machining of forging tools, along with the application of finite element analysis and NC milling techniques.
The results achieved were: quicker and more accurate design of dies; better reproducibility of dies as the same computer model is used for repeated die sets; a reduction in thermo-elastic deformations of die impressions; improved accuracy in the machining of dies by NC milling; a possibility of wear reduction by appropriate design of preforms and flash geometry; assessment of the present state of FE simulation of drop forging processes.
THE AIM OF THE PROJECT IS TO DEVELOP COMPUTER AIDED METHODS, WHICH ASSIST THE DESIGN AND MANUFACTURE OF FORGING DIES WITH HIGH ACCURACY.
THE PROJECT IS SUBDIVIDED AS FOLLOWS:
1. PROGRAMS BACKING UP THE DESIGN PROCESSES OF FORGING IMPRESSIONS, BY WHICH THE DIE GEOMETRY CAN BE OBTAINED OUT OF THE GEOMETRY OF THE FINISHED PART.DEVELOPMENT OF A TOOL-SYSTEM FOR THE FINISHING OPERATIONS IN THE FORGING-PROCESS, WHICH ARE DECISIVE FOR THE FINAL ACCURACY OF THE WORK-PIECE.2. NUMERICAL SIMULATION OF DROP FORGING PROCESSES, BY THE FINITE ELEMENT METHOD, WHICH MAKES IT POSSIBLE TO DESCRIBE
- THE THERMO-ELASTIC STRAINING OF THE DIES AND
- THE MATERIAL FLOW, TO FIND OUT THE BEST PREFORM - AND FLASH GAP GEOMETRY, IN ORDER TO MINIMIZE THE SLIDING MOVEMENTS IN THE DIE (REDUCTION OF WEAR) AND THE STRESSES ON THE IMPRESSION (REDUCTION OF ELASTIC DEFORMATIONS).3. CALCULATION OF THE THERMO-ELASTIC DEFORMATIONS OF FORGING DIES, TO TAKE THESE INTO CONSIDERATION IN THE DESIGN OF DIE-IMPRESSIONS.
4. DEVELOPING METHODS FOR FINISH-MACHINING OF FORGING DIES BY NC-MILLING AND AUTOMATIC CONTROL OF THE ELASTIC TOOL DEFLECTIONS DURING THE MILLING-OPERATION.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology mechanical engineering manufacturing engineering subtractive manufacturing
- natural sciences mathematics pure mathematics geometry
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Coordinator
5800 Hagen
Germany
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