Results 1 to 10 of about 5,151,847 (295)

Thermal Error Measurement and Analysis of Vertical Machining Center

open access: yesMATEC Web of Conferences, 2019
In this paper, the thermal calculation and thermal-structural coupling analysis of the vertical machining center are carried out to obtain the theoretical values of thermal generation and thermal displacement. Combined with the thermal structure analysis
Ma Yumeng   +4 more
doaj   +3 more sources

Optimization method for complex surface partitioning and cutting parameters in 5-axis machining [PDF]

open access: yesMATEC Web of Conferences, 2022
For complex surfaces with variable geometric features and high processing requirements, the current stage still uses more conservative machining cutting parameters to generate five-axis machining tool positions, which inevitably leads to some parts not ...
Chen Liangji   +3 more
doaj   +1 more source

Risk Evaluation Method Based on Fault Propagation and Diffusion

open access: yesMathematics, 2023
The high reliability demand of the machining center emphasizes the accuracy of the fault risk evaluation. In the traditional fault risk evaluation research of the machining center, the influence of fault mode is mostly based on subjective recommendation ...
Liming Mu, Yingzhi Zhang, Qiyan Zhang
doaj   +1 more source

A Comprehensive Failure Risk Assessment Method of Machining Center Component Based on Topology Analysis

open access: yesApplied Sciences, 2022
The risk assessment of the failure mode of the traditional machining center component rarely considers the topological characteristics of the system and the influence of propagation risks, which makes the failure risk assessment results biased. Therefore,
Liming Mu, Yingzhi Zhang, Guiming Guo
doaj   +1 more source

Anomaly Detection in Machining Centers Based on Graph Diffusion-Hierarchical Neighbor Aggregation Networks

open access: yesApplied Sciences, 2023
Inlight of the extensive utilization of automated machining centers, the operation and maintenance level and efficiency of machining centers require further enhancement.
Jiewen Huang, Ying Yang
doaj   +1 more source

Optimized Design of Precision EDM Machine Tool based on CAE Simulation and Modal Testing Technology [PDF]

open access: yesE3S Web of Conferences, 2021
For precision EDM equipment, in addition to the static stiffness of the body of the machine, the dynamic characteristics of the body and the ambient temperature are also the key factors that affect the machining accuracy of the workpieces. In this paper,
Liu Jianyong   +3 more
doaj   +1 more source

Development of the spindle shaft for machining center using high thermal conductivity material

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2023
Due to the high precision and high speed of spindles for machining centers, thermal issues cannot be avoided. The temperature rises of the spindle shaft, which is the rotating component, causes issues such as increased thermal displacement in the tool ...
Shingo KAJIKAWA   +3 more
doaj   +1 more source

Motion error estimation of linear interpolation cutter path of machining center produced by NC linear acceleration/deceleration processing

open access: yesNihon Kikai Gakkai ronbunshu, 2023
From the machining center (MC) user’s point of view, the authors propose a practical approach to estimate the trajectory error of a linear interpolation cutter path produced by the linear acceleration/deceleration (Acc/Dec) processing for a target MC in ...
Hua QIU   +2 more
doaj   +1 more source

Machine tool chatter test and analysis

open access: yesThe Journal of Engineering, 2019
Machine chatter phenomenon has a great influence on the stability during the machining process of the machine tool. It has a great limitation on the machining efficiency of the machine tool and the machining accuracy of the product.
Linxi Li   +3 more
doaj   +1 more source

A Study on 4-Axis Turning for Non-Axisymmetric 3D Surfaces - Creation of high-precision curved surfaces by synchronizing the spindle and rotary tool axis-

open access: yesNihon Kikai Gakkai ronbunshu, 2023
A machining center is a common machine tool that can machine complex free-form surfaces such as the press mold, automobile’s cam profile. When these curved surfaces are machined by the conventional machining center and/or the grinding machine, it takes ...
Yoshitaka MORIMOTO   +3 more
doaj   +1 more source

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