Results 91 to 100 of about 145,469 (230)
Analysis on the Thermal Error Compensation Model of Direct-Drive A/C Bi-Rotary Milling Head
, 2011 The thermal deformation error that is the biggest error of effecting the machining precision of Direct-drive A/C Bi-rotary Milling Head was narrated in brief.
Xin Bao, Fang Cui, Peng Zheng
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, 2015 Due to the various heat sources on a machine tool, there exists a complex temperature distribution across its structure. This causes an inherent thermal hysteresis which is undesirable as it affects the systematic tool –to-workpiece positioning ...
Potdar, Akshay A. +4 more
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Modelling and evaluation of time-varying thermal errors in machine tool elements [PDF]
, 1997 This thesis addresses a comprehensive approach to understanding the time-varying thermal errors in machine tools. Errors in machine tools are generally classified as being time or spatial dependent.
Gim, T., Gim, Taeweon
core
Experimental Investigation of Passive Thermal Error Compensation Approach for Machine Tools
265277Conventional approaches to counteract thermal issues in machine tools often require a significant amount of electrical energy input, such as in active cooling systems. An energy-efficient way for reducing thermal errors is to use passive components
Wiemer, Hajo +3 more
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Electronic based accuracy enhancement of CNC machine tools
The need for better machine tool accuracy is discussed together with the factors which can affect machine tool accuracy. A study is made of the various techniques adopted for the reduction of errors in machine tools. The concept of error compensation
Postlethwaite, Scott R.
core
Comprehensive compensation method for thermal error of a vertical drilling center
, 2018 To eliminate the influence of thermally induced error of machine tool on the machining accuracy, a comprehensive error compensation method for the thermal displacement of the screw shaft and spindle is put forward.
Liu, Kuo +4 more
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Robust Thermal Error Modeling and Compensation for CNC Machine Tools. [PDF]
Thermal errors are one of the most significant factors affecting machine tool accuracy. Error compensation has been widely used to reduce the thermal errors, the robustness of the thermal error models, however, still needs to be improvement. Currently,
Zhu, Jie
core
A Control Scheme of Thermal Growth Compensator for Motorized Spindles
, 2012 [[abstract]]An improving control scheme of thermal growth compensation for motorized spindles is designed in this paper. In this approach, a dual displacement measurement meter is applied as a compensatory device for spindle thermal growth compensation ...
Huang, Kun-Fang; Juan, Yu-Lin; Tang, C. H. ; Chang, C. F. ; Chen, Tsair-Rong
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Application of Time Series Analysis to Thermal Error Modeling on NC Machine Tools
工程科学与技术, 2006 :The basic principle and method of time series analysis and its application in thermal error modeling on NC machine tools were presented. How to utilize the thermal error serials surveyed to identify, model, predict and compensate was discussed in detail.
doaj
Sensor placement utilizing a digital twin for thermal error compensation of machine tools
Journal of manufacturing systemsSebastian Lang +4 more
semanticscholar +1 more source