Abstract
The problem of ensuring bevel accuracy for elements of saturation welding with hulls of the ships and vessels in the conditions of slipway production is relevant for modern shipping. The shape forming of hole bevel surface is often complicated by the spatial position of the holes relative to the basic coordinate planes. Therefore, such holes are currently marked and opened manually in a pressure housing. This negatively impacts both the quality and the performance of hole processing. The problem of ensuring high accuracy of the shape and location of the welding bevel in the large thickness high-strength steel housing with sufficient processing performance can be solved by CNC machining. However, the use of stationary metal-cutting equipment for the preparation of the welding bevel after the completion of the General Assembly of the ship’s hull is not rational due to its large dimensions. The use of traditional mobile machines for these purposes, in turn, is inefficient due to the low rigidity and vibration resistance of their design. The article proposes a solution that includes the use of mobile equipment with parallel kinematics and software control, equipped with a cutting tool of a special design. To do this, a brief analysis of the shape of the welding bevel surface for a spatially located hole is made. Options of bevel processing with advantages of the modern cutting tool and the mobile equipment are considered. The function of shape forming is presented in the form of unified matrix parametric equations for various processing schemes and applied tools.
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Rusanovskiy, S.A., Khudyakov, M.P., Snegireva, K.K. (2021). Study of Shape Forming of Welding Bevel in Openings of Pressure Hulls of Underwater Shipbuilding Objects. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 6th International Conference on Industrial Engineering (ICIE 2020). ICIE 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-54814-8_19
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