Abstract
The paper presents selected results of the research related to the development and verification of a multi-purpose construction of forging mill suitable for the following processes: longitudinal roll forging, cross-wedge rolling, and steel bar cropping. Modern CAD/CAE numerical tools have been used to facilitate the design and analysis of the construction. The designed forging mill is characterized by high versatility due to the possibility of two different kinematic processes of roll forging (longitudinal and transverse) as well as semi-products waste-free cropping. Its technological capabilities are considerably higher as compared to the machines currently used in industry. Verification of adopted construction solutions was made during the commissioning tests. The achieved results have fully confirmed the usefulness of multi-task forging mill for rolling forgings and preforms as well as cropping process.
Highlights
Domestic forging industry is characterized by a great variety of assortment of manufactured products and relatively small series of forgings
The main assumption determining its design was the possibility of changing the direction of rolls rotation – this solution ensures the realization of the rolling processes and longitudinal rolling in one aggregate
It was assumed that the effective diameter of the rollers should allow embedding these wedge tools length in the expansion of up to 1400 mm and shaping the forging of a length of 900 mm
Summary
The paper presents selected results of the research related to the development and verification of a multi-purpose construction of forging mill suitable for the following processes: longitudinal roll forging, cross-wedge rolling, and steel bar cropping. The designed forging mill is characterized by high versatility due to the possibility of two different kinematic processes of roll forging (longitudinal and transverse) as well as semi-products waste-free cropping. Domestic forging industry is characterized by a great variety of assortment of manufactured products and relatively small series of forgings Such specificity of production urges the use of a fairly broad group of forging machines. One of the innovative machines that came into being as a result of this work, is a universal forging mill designed for: transverse rolling, longitudinal rolling and waste-free split [6, 7]. There are practically no rolling mills with such a broad technological possibilities worldwide
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