22 Result(s)
within
Haibo Liu
Engineering
Industrial and Production Engineering
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Article
Deep transfer learning for tool condition monitoring under different processing conditions
Deep learning methods have developed rapidly in the field of tool condition monitoring, but due to the complexity and diversity of working conditions, it is difficult to ensure the high accuracy, strong genera...
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Article
Principle and effectiveness of ice fixation clam** in the milling of GH4099 superalloy honeycomb core
In order to address the existing challenges in the filling clam** methods of metal honeycomb core, such as slow efficiency, difficult post-processing, easy damage to the honeycomb wall, and lack of environme...
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Article
Analytical modeling of Poisson burr formation in the machining of Al6061 with interface constraint
During the cutting process, unnecessary burrs frequently emerge along the cutting edge. To suppress the burrs generated in the process, an effective method is to provide interface constraint next to the workpi...
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Article
State-space theory–based closed-loop control of machining error of thin-walled part modeling and application
The thin-walled part is a key component in the aerospace field. However, its low stiffness makes it highly susceptible to deformation during milling. An adaptive compensation method for machining deformation b...
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Article
PDE-based spiral machining trajectory planning method without tool feed marks on 2D arrayed multi-island regions
Components with complex arrays of multi-island structures are widely used in aerospace applications, but existing commonly used milling strategies usually have multiple feeds and retreats during machining, an...
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Article
The influence of ice-based fixture on suppressing machining-induced deformation of cantilever thin-walled parts: a novel and green fixture
Due to the low rigidity, the milling process of cantilever thin-walled structure (CTWS) inevitably generates machining-induced deformation, ultimately resulting in poor surface quality and thickness accuracy. ...
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Article
The influence of thermophysical parameters on the prediction accuracy of the spindle thermal error model
The model based on the velocity and acceleration of temperature variation (MBOTV) was established for spindle thermal growth error. However, the thermophysical parameters of MBOTV, such as the thermal expansio...
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Article
Numerical prediction of machining-induced surface residual stress for TC4 cryogenic turning
Liquid nitrogen(LN2) cryogenic machining is a green, sustainable, and high-performance machining technology. LN2 cryogenic machining of TC4 can significantly strengthen the local cooling environment of cutting...
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Article
A novel and effective method for cryogenic milling of polytetrafluoroethylene
Polytetrafluoroethylene (PTFE) is a typical material widely used in bearing, gaskets, gears, etc. of many various fields such as aeronautics, astronautics, and military. Traditionally, PTFE is manufactured by ...
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Article
Effect of controllable magnetic field-induced MRF solidification on chatter suppression of thin-walled parts
Aiming at solving the chattering problem of thin-walled parts, magnetorheological fluid (MRF) was used as phase-change clam** material to study the influence of MRF excitation clam** on the modal parameter...
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Article
Ultrasonic on-machine scanning for thickness measurement of thin-walled parts: modeling and experiments
The thickness measurement of large thin-walled part has become increasingly important to inspect the machining quality and compensate the machining errors. So far, commercial hand-held ultrasonic thickness gau...
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Article
Intelligentization of machine tools: comprehensive thermal error compensation of machine-workpiece system
The real-time compensation of thermal errors is an important part of the intelligent functions of machine tools. In order to promote the integrated application of thermal error compensation technique in machin...
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Article
The influence of supporting force on machining stability during mirror milling of thin-walled parts
Mirror milling has been regarded as an effective way for large monolithic thin-walled parts machining. However, the supporting force not only improves the stiffness of the cutting point but also affects the dy...
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Article
Research on thermo-mechanical coupled experiments and thermal deformation evolution of preloaded screw
The thermo-mechanical coupled phenomenon of the preloaded screw is significantly apparent and the thermal deformation is strongly nonlinear. In order to realize the thermal error compensation of the preloaded ...
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Article
Analysis of Q-factor’s identification ability for thin-walled part flank and mirror milling chatter
Due to its relatively high gravity material removal, the thin-walled part machining would go through a complex process, from stable to unstable and/or reverse repeatedly. As a result, the monitored signals gen...
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Article
Mirror milling chatter identification using Q-factor and SVM
Mirror milling is an effective approach to improve large-scale monolithic thin-walled parts machining quality through ensuring the mirror relations of cutter and supporting head. However, the introduction of s...
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Article
Buckling theoretical analysis on all-terrain crane telescopic boom with n-stepped sections
Differential equations for telescopic boom with n-stepped sections are established on the basis of continuous beam column theory. The recursive formula for the stability of n-stepped telescopic boom is deduced...
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Article
Virtual grid and BPNN based collision avoidance control of automatic fixture system
In order to solve the motion collision between the cutter and clam** points, a multi-point fixture system is proposed, which is designed for the aircraft beams frame parts. This system is developed in modula...
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Article
Diffusion thermodynamic behavior of milling Ti-6A1-4V alloy in liquid nitrogen cryogenic cooling
This paper presents the first comprehensive investigation on milling Ti–6Al–4V alloy in cryogenic cooling, and it mainly focuses on the effect of diffusion wear behavior of WC-Co tool in operations. Diffusion ...
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Article
Tool wear behavior of thermal-mechanical effect for milling Ti-6Al-4V alloy in cryogenic
In order to make clear the effect of heat-force on tool wear for milling Ti-6Al-4V alloy in cryogenic cooling. The thermal-mechanical calculation models were established. Compared with conventional cutting, th...
