Results 211 to 220 of about 21,615 (247)

Definition and determination of the minimum uncut chip thickness of microcutting

International Journal of Advanced Manufacturing Technology, 2013
Uncut chip thickness is comparable to cutting edge radius in micromachining. If the uncut chip thickness is less than a critical value, there will be no chip formation. This critical value is termed as minimum uncut chip thickness (MUCT). Although minimum uncut chip thickness has been well defined in orthogonal cutting, it is often poorly understood in
Liu Zhanqiang, Shi Zhenyu, Zhanqiang Liu   +2 more
exaly   +2 more sources

Estimation of minimum chip thickness in micro-milling using acoustic emission

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 2011
In micro-machining, determination of the minimum chip thickness is of paramount importance, as features having dimensions below this threshold cannot be produced by the process. This study proposes a methodology to determine the value of minimum chip thickness by analysing acoustic emission (AE) signals generated in orthogonal ...
P T Mativenga
exaly   +3 more sources

Modeling of minimum uncut chip thickness in micro machining of aluminum

Journal of Materials Processing Technology, 2012
Abstract Micro mechanical machining operations can fabricate miniaturized components from a wide range of engineering materials; however, there are several challenges during the operations that can cause dimensional inaccuracies and low productivity. In order to select optimal machining parameters, the material removal behavior during micro machining
Martin B G Jun
exaly   +2 more sources

Determination of Minimum Uncut Chip Thickness in Micromachining

Advanced Materials Research, 2009
In micromachining, the uncut chip thickness is comparable to the tool edge radius, and chip won’t be generated if the uncut chip thickness is less than a critical value, besides that, the minimum uncut chip thickness affect many factors such as the cutting force, the chip’s modality, the cutting surface quality, etc. In this paper, a geometric model is
Zhen Yu Shi, Zhan Qiang Liu, Liu Zhan Qiang   +2 more
exaly   +2 more sources

Minimum chip thickness determination by means of cutting force signal in micro endmilling

Precision Engineering, 2018
Abstract Issues related to ploughing affecting the performance of the micromilling process have recently been reported in literature. It is well known that there is a minimum chip thickness (hmin) below which ploughing is the main material removal mechanism and no shear occurs.
Marcel Henrique Militão Dib, J G Duduch, Renato G Jasinevicius   +2 more
exaly   +2 more sources

Influence of the main cutting edge angle value on minimum uncut chip thickness during turning of C45 steel

Journal of Manufacturing Processes, 2020
Abstract One of the important phenomena of orthogonal cutting process is the occurrence of the minimum uncut chip thickness, as its highly affects the process of cutting initiation and surface roughness. But nowadays non orthogonal i.e., oblique cutting process using special tools with continued cutting edge and high value of cutting angle λs make ...
Danil Yurievich Pimenov, Tomasz Paczkowski, Munish Kumar Gupta   +2 more
exaly   +2 more sources

Research in minimum undeformed chip thickness and size effect in micro end-milling of potassium dihydrogen phosphate crystal

International Journal of Mechanical Sciences, 2017
Abstract Micro-milling is a promising approach to repair the micro-defects on the surface of potassium dihydrogen phosphate (KDP) crystal. However, KDP crystal is difficult to machine due to its properties of soft-brittle and easy deliquescence. This study investigates the minimum undeformed chip thickness hm and the size effect in micro end-milling ...
Ni Chen, Mingjun Chen, Chunya Wu
exaly   +2 more sources

Effects of minimum uncut chip thickness on tungsten nano-cutting mechanism

International Journal of Mechanical Sciences, 2023
Zhigang Dong, Yongnian Qi, Xiaoguang Guo   +2 more
exaly   +2 more sources

An Analytical Model for the Prediction of Minimum Chip Thickness in Micromachining

Journal of Manufacturing Science and Engineering, 2005
In micromachining, the uncut chip thickness is comparable or even less than the tool edge radius and as a result a chip will not be generated if the uncut chip thickness is less than a critical value, viz., the minimum chip thickness. The minimum chip thickness effect significantly affects machining process performance in terms of cutting forces, tool ...
X. Liu, R. E. DeVor, S. G. Kapoor
openaire   +1 more source

A Micro Milling Model Considering Metal Phases and Minimum Chip Thickness

Key Engineering Materials, 2008
In this paper, a micro milling model is brought forward. The influences of different metal phases and the minimum chip thickness are considered in the model. The cutting forces and the surface generation in the micro milling process are predicted. Through the experiment validation, the results correlate to the model very well.
Jin Sheng Wang, Jia Shun Shi, Ya Dong Gong, G. Abba, Guang Qi Cai   +4 more
openaire   +1 more source