Results 1 to 10 of about 4,911 (212)
Optimizing Mandrel Dimensions for a Fixture Hardening Process of High-Strength Steel Aerospace Parts by Finite Element Simulation [PDF]
Metals, 2020 A fixture hardening process for aerospace gear box components of alloy S156 (16NiCrMo16-5, 1.6722) is investigated by thermomechanical metallurgical 2D axisymmetric Finite Element simulations. Material parameters are experimentally determined.
Hannes Birkhofer +2 more
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Study on the Influence of Mandrel Speed on the Titanium Tube Continuous Retained-Mandrel Rolling Process [PDF]
MetalsThe continuous retained-mandrel rolling process is a promising method for titanium tube production with high efficiency and a short process. The importance of mandrel as a deformation tool supporting the inner wall is crucial.
Chao Li +3 more
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Experimental Study of Steady-State Tube Expansion by using Conical Mandrel [PDF]
Engineering and Technology Journal, 2015 An Experimental study Conducted for the continuous expansion process of the brass (70/30) tubes by pushing a conical rigid mandrel inside the tube mechanically.
Tahseen Taha Othman +2 more
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Optimal Design of the Shape of a Non-Ball Mandrel for Thin-Walled Tube Small Radius Cold Bending [PDF]
Metals, 2021 In the field of cold bending, it is necessary to use ball mandrels, especially to bend thin-walled tubes with a small radius. However, the bending process with a ball mandrel is complex and expensive, and it is easy to jam the core ball inside the tube ...
Lu Bai +3 more
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Литьë и металлургия, 2006 The calculation methods of the contact square between slug and mandrel with cuts and mandrel construction with cuts are given.
O. N. Horoshilov, O. I. Ponomarenko
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Repair of mandrels of a continuous mill through the use of adapters
Литьë и металлургияThe article describes the repair of mandrels used on a continuous type PQF mill by using adapters made from billets. The starting materials are the tailstocks that have been taken out of service.The process of repairing the mandrels allows the mandrel to
E. V. Zhuravleva +3 more
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Mechanical analysis of the rotating drawing mandrel with selected bearings configuration [PDF]
STED Journal, 2020 Nowadays is important to increase power efficiency in the heat production sector. Tubes with shaped internal surface are one of the possibilities to improve efficiency of heat exchangers.
Frantisek Botko +3 more
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Thermoplastic Mandrel for Manufacturing Composite Components with Complex Structure
Aerospace, 2021 This study was to solve the mandrel demolding problem after curing the composite component with complex structure. In this paper, a reusable thermoplastic mandrel with heating softening characteristics was developed by resin transfer molding (RTM).
Xishuang Jing +4 more
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Aerospace, 2022 The article addresses the modeling of the process of manufacturing a large-sized shell, given the thermomechanical behavior and viscoelasticity of the composite mandrel.
Oleg Yu Smetannikov +2 more
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Reinforcing clamps: stress-strain state of bent reinforcement [PDF]
E3S Web of Conferences, 2023 The aim of the work is to study the stress-strain state of reinforcing bars during bending and to obtain the appropriate formulas and dependencies to clarify the possible boundaries of the use of mandrels for reinforcement of various classes and ...
Shaposhnikova Yulia, Kuznetsov Vitaly
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