Results 1 to 10 of about 5,252,997 (308)
Research on a new high-quality and high-efficiency SLM forming method based on interlayer strategy [PDF]
MATEC Web of Conferences, 2022 To ensure the forming quality of SLM and to improve the forming efficiency of SLM, this paper investigates the forming effect of Ti6Al4V specimens formed by SLM based on an interlayer strategy.
Wang Peng, Chen Dongju, Li Gang
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Tangential elastic contact model of the cylindrical contact with different axis crossing angles
Science Progress, 2022 In this paper, a cylinder contact model with different axis crossing angles is proposed, and the axis crossing angle is introduced into the normal and tangential constitutive equations.
Tieneng Guo +3 more
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TOPYDE: A Tool for Physical Database Design [PDF]
, 1995 We describe a tool for physical database design based on a combination of theoretical and pragmatic approaches. The tool takes as input a relational schema, the workload defined on the schema, and some additional database characteristics and produces as ...
Blanken, H.M. +3 more
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Tangential mechanical properties analysis of cylindric elastoplastic contact model
Advances in Mechanical Engineering, 2022 An elastoplastic contact model of two cylinders is proposed in this paper. The crossing angle of two cylinders axes is introduced into the contact model.
Tieneng Guo +4 more
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Advances in Mechanical Engineering, 2022 There is inevitably an angular offset during contact of mechanical structures such as roller bearings or gears. Most of the previous contact models involve the contact between two parallel cylinders.
Tieneng Guo, Ruguo Ji, Yunfei Ma
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Research on the dynamic identification method of weak parts in cantilever structures
Science Progress, 2021 Determining the weak parts of a structure is one of the key issues in the field of machine tool stiffness improvement. However, studies show that overcoming the static deformation with acquisition difficulty is a complex problem in practical structures ...
Tieneng Guo +4 more
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Biological Prototype Acquisition Based on Biological Coupling in Bionic Design
Applied Bionics and Biomechanics, 2022 Because the judgment basis in the process of biological prototype screening is highly subjective, and because it is difficult to generate a scheme when using multiple biological prototypes for bionic design, this work proposes a biological prototype ...
Zhonghang Bai +3 more
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Shock and Vibration, 2020 The paper studies the characterization and evaluation technology of rotation accuracy of hydrostatic spindle under the influence of unbalance. The dynamic model of the motion error of the hydrostatic spindle is established based on the dynamic parameters.
Dongju Chen, You Zhao, Jingfang Liu
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Research on the dynamic hammering method for identifying weak parts in cantilever structures
Science Progress, 2021 Identification of the vulnerabilities in the structural stiffness is one of the most crucial issues in improving this property of machine tools. In this paper, the Flexibility Matrix Diagonal element method, based on hammer testing, is proposed as an ...
Tieneng Guo +3 more
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Sintered Diamond Tools – the Past, Present and Future [PDF]
Archives of Metallurgy and Materials, 2021 The methods of making diamond tools have undergone a remarkable development since the invention of synthetic diamond in the mid-1950s. The current review summarises key historical, recent and ongoing trends and developments in sintered diamond tools. The
J. Konstanty
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