-
Article
Analysis of cage dynamic characteristics for high-speed full ceramic ball bearing under non-lubrication condition
With the increasingly harsh service conditions, higher requirements are put forward for the cage of ceramic bearings. In this study, dynamic model of full ceramic ball bearing, in which the motion characterist...
-
Article
Simulation of substrate temperature distribution during diamond film growth on zirconia with buffer layers by HFCVD method
In order to deposit diamond films on zirconia ceramic substrates, a three-dimensional finite element simulation of the substrate temperature field is proposed to optimize the deposition process parameters. Fir...
-
Article
Research on vibration characteristics of silicon nitride 6206 full-ceramic bearing with different pre-tightening force and oil supply rate
Full-ceramic ball bearings are widely used in aerospace, gas engines, and extreme working conditions. The research on vibration characteristics of full-ceramic ball bearings under different pre-tightening forc...
-
Article
Incipient Fault Detection of Full Ceramic Ball Bearing Based on Modified Observer
As a key part of the energy transmission chain, full ceramic ball bearing elements are considered as important components in ultraprecise rotating machines, which is required as a special attention in order to...
-
Article
Deployment method of prefabricated component transport vehicle
According to the construction drawings of the assembly building, various prefabricated components are transported from the factory to the construction site. This study provides definitions of the construction ...
-
Article
Personal trajectory analysis based on informative lifelogging
Facing a great deal of Lifelog data and complex information, how to extract valuable information and making it easily understood for users is the most urgent and important issue. This paper introduces a method...
-
Article
Toward storytelling from personal informative lifelogging
The authors began collecting personal informative lifelogging data in 2011. The data collected in this article is a discontinuous data set, each of which includes one or more images, a GPS message, a descripti...
-
Article
Leader-following Consensus of First-order Multi-agent Systems with Dynamic Hybrid Quantizer
In this paper, we propose a dynamic hybrid quantizer to reduce the burden of communication networks and on this basis, the leader-following consensus problem of first-order multi-agent systems is solved. This ...
-
Article
Research on the metamorphic layer of silicon nitride ceramic under high temperature based on molecular dynamics
The high temperature of the grinding area at the engineering ceramic materials processing is one of the main factors affecting the quality of processing and the performance of parts. In order to reveal the law...
-
Article
Research on sound field characteristics of full-ceramic angular contact ball bearing
This paper focuses on the distribution characteristics of the radiation noise for a full-ceramic angular contact ball bearing (FCACBB). A model for calculating the radiation noise of a FCACBB was established b...
-
Chapter
Development of Intelligent Ceramic Motorized Spindle
Ceramic motorized spindle refers to motorized spindle some components of which are made of ceramic materials.
-
Chapter
Motorized Spindle Fault Diagnosis Technology Based on Deep Learning
Motorized spindle is a key functional component of machine tool. Its reliability and accuracy directly affect the operational reliability and machining accuracy of the entire CNC machine tool, and are even dir...
-
Chapter
Heat Generation and Transfer of Motorized Spindle
Heat generation is inevitable in motorized spindle. A large amount of heat is generated in the spindle under the combined effects of internal and external heat sources.
-
Chapter
Automatic Suppression of Motorized Spindle Vibration
Modern high-speed CNC machining center features high rotational speed of spindle, high operational precision and high machining efficiency. The improvement of speed and precision is based on high-precision dyn...
-
Chapter
Motorized Spindle Drive Mode and Its Basic Theory
Motion control is the core of motorized spindle control system. The variable-voltage variable-frequency speed regulation system of motorized spindle is often called variable-frequency speed regulation system. ...
-
Article
Acoustic model of ceramic angular contact ball bearing based on multi-sound source method
This study focuses on the radiation noise of ceramic angular contact ball bearings for motorised spindles. The differential equations of the vibrations for each bearing component are established, and the chara...
-
Chapter
Basic Theory and Method of Spindle Dynamic Balance
Dynamic imbalance and vibration of high-speed spindle are important factors affecting machining accuracy.
-
Chapter
Thermal Performance Prediction of Motorized Spindle
In addition to the requirements for the high speed and high power of motorized spindle, high-speed machining also requires the ability of spindle to control its own temperature rise and thermal deformation.
-
Chapter
Key Technologies and Performance of Motorized Spindle
High-speed machining technology can solve many difficulties in manufacturing of mechanical products, such as obtaining special machining accuracy and surface quality.
-
Chapter
Intelligent Identification Technology of Stator Resistance of Motorized Spindle Motor
Problems such as non linearity, parametric changes, disturbance and noise exist in the drive system of high-performance motorized spindle. The solution of these problems is the key to improving the control pre...
