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Prediction of cutting force in turning of UD-GFRP using mathematical model and simulated annealing
Meenu GUPTA, Surinder Kumar GILL
《机械工程前沿(英文)》 2012年 第7卷 第4期 页码 417-426 doi: 10.1007/s11465-012-0343-2
Glass fiber reinforced plastics (GFRPs) composite is considered to be an alternative to heavy exortic materials. According to the need for accurate machining of composites has increased enormously. During machining, the obtaining cutting force is an important aspect. The present investigation deals with the study and development of a cutting force prediction model for the machining of unidirectional glass fiber reinforced plastics (UD-GFRP) composite using regression modeling and optimization by simulated annealing. The process parameters considered include cutting speed, feed rate and depth of cut. The predicted values radial cutting force model is compared with the experimental values. The results of prediction are quite close with the experimental values. The influences of different parameters in machining of UD-GFRP composite have been analyzed.
关键词: UD-GFRP ANOVA radial cutting force PCD tool Taguchi method regression analysis simulated annealing multi objective techniques
Improved analytical model for residual stress prediction in orthogonal cutting
null
《机械工程前沿(英文)》 2014年 第9卷 第3期 页码 249-256 doi: 10.1007/s11465-014-0310-1
The analytical model of residual stress in orthogonal cutting proposed by Jiann is an important tool for residual stress prediction in orthogonal cutting. In application of the model, a problem of low precision of the surface residual stress prediction is found. By theoretical analysis, several shortages of Jiann’s model are picked out, including: inappropriate boundary conditions, unreasonable calculation method of thermal stress, ignorance of stress constraint and cyclic loading algorithm. These shortages may directly lead to the low precision of the surface residual stress prediction. To eliminate these shortages and make the prediction more accurate, an improved model is proposed. In this model, a new contact boundary condition between tool and workpiece is used to make it in accord with the real cutting process; an improved calculation method of thermal stress is adopted; a stress constraint is added according to the volume-constancy of plastic deformation; and the accumulative effect of the stresses during cyclic loading is considered. At last, an experiment for measuring residual stress in cutting AISI 1045 steel is conducted. Also, Jiann’s model and the improved model are simulated under the same conditions with cutting experiment. The comparisons show that the surface residual stresses predicted by the improved model is closer to the experimental results than the results predicted by Jiann’s model.
关键词: residual stress analytical model orthogonal cutting cutting force cutting temperature
Cutting Force Model for a Small-diameter Helical Milling Cutter
LI Xiwen, YANG Shuzi, YANG Mingjin, XIE Shouyong
《机械工程前沿(英文)》 2007年 第2卷 第3期 页码 272-277 doi: 10.1007/s11465-007-0047-1
关键词: computational corresponding helical milling theoretical foundation Characteristic
Genghuang HE, Xianli LIU, Fugang YAN
《机械工程前沿(英文)》 2012年 第7卷 第3期 页码 329-334 doi: 10.1007/s11465-012-0303-x
The dynamic mechanical characteristics of excessively heavy-duty cutting were analyzed based on the cutting experiments with 2.25Cr-1Mo-0.25V steel used in hydrogenated cylindrical shells. By investigating the influence of dynamic mechanical characteristics on the tools’ failure in limited heavy-duty cutting processes, the model of dynamic shearing force in the cutting area was established. However, the experimental results showed that the dynamic shear flow stress in the cutting area greatly influenced the tools’ fatigue. The heavy-duty cutting tool was damaged in the form of a shearing fracture. Through a comprehensive analysis of the theory, the critical condition of the tools’ fracture under extreme loading was established.
关键词: extreme loading cutting shear flow stress dynamic cutting force fatigue fracture
Surinder Kumar GILL, Meenu GUPTA, P. S. SATSANGI
《机械工程前沿(英文)》 2013年 第8卷 第2期 页码 187-200 doi: 10.1007/s11465-013-0262-x
Machining of plastic materials has become increasingly important in any engineering industry subsequently the prediction of cutting forces. Forces quality has greater influence on components, which are coming in contact with each other. So it becomes necessary to measure and study machined forces and its behavior. In this research work, experimental investigations are conducted to determine the effects of cutting conditions and tool geometry on the cutting forces in the turning of the unidirectional glass fiber reinforced plastics (UD-GFRP) composites. In this experimental study, carbide tool (K10) having different tool nose radius and tool rake angle is used. Experiments are conducted based on the established Taguchi’s technique L18 orthogonal array on a lathe machine. It is found that the depth of cut is the cutting parameter, which has greater influence on cutting forces. The effect of the tool nose radius and tool rake angles on the cutting forces are also considerably significant. Based on statistical analysis, multiple regression model for cutting forces is derived with satisfactory coefficient (R2). This model proved to be highly preferment for predicting cutting forces.
关键词: unidirectional glass fiber reinforced plastics (UD-GFRP) composites machining cutting forces (tangential feed and radial force) ANOVA regression modeling carbide tool (K10)
A. DAVOUDINEJAD, P. PARENTI, M. ANNONI
《机械工程前沿(英文)》 2017年 第12卷 第2期 页码 203-214 doi: 10.1007/s11465-017-0421-6
Predictive models for machining operations have been significantly improved through numerous methods in recent decades. This study proposed a 3D finite element modeling (3D FEM) approach for the micro end-milling of Al6061-T6. Finite element (FE) simulations were performed under different cutting conditions to obtain realistic numerical predictions of chip flow, burr formation, and cutting forces. FE modeling displayed notable advantages, such as capability to easily handle any type of tool geometry and any side effect on chip formation, including thermal aspect and material property changes. The proposed 3D FE model considers the effects of mill helix angle and cutting edge radius on the chip. The prediction capability of the FE model was validated by comparing numerical model and experimental test results. Burr dimension trends were correlated with force profile shapes. However, the FE predictions overestimated the real force magnitude. This overestimation indicates that the model requires further development.
关键词: 3D finite element modeling micro end-milling cutting force chip formation burr formation
《机械工程前沿(英文)》 2022年 第17卷 第3期 doi: 10.1007/s11465-022-0688-0
关键词: precision milling dimensional accuracy cutting force convolutional neural networks coherent noise
Molecular dynamics modeling of a single diamond abrasive grain in grinding
Angelos P. MARKOPOULOS,Ioannis K. SAVVOPOULOS,Nikolaos E. KARKALOS,Dimitrios E. MANOLAKOS
《机械工程前沿(英文)》 2015年 第10卷 第2期 页码 168-175 doi: 10.1007/s11465-015-0337-y
In this paper the nano-metric simulation of grinding of copper with diamond abrasive grains, using the molecular dynamics (MD) method, is considered. An MD model of nano-scale grinding, where a single diamond abrasive grain performs cutting of a copper workpiece, is presented. The Morse potential function is used to simulate the interactions between the atoms involved in the procedure. In the proposed model, the abrasive grain follows a curved path with decreasing depth of cut within the workpiece to simulate the actual material removal process. Three different initial depths of cut, namely 4 ?, 8 ? and 12 ?, are tested, and the influence of the depth of cut on chip formation, cutting forces and workpiece temperatures are thoroughly investigated. The simulation results indicate that with the increase of the initial depth of cut, average cutting forces also increase and therefore the temperatures on the machined surface and within the workpiece increase as well. Furthermore, the effects of the different values of the simulation variables on the chip formation mechanism are studied and discussed. With the appropriate modifications, the proposed model can be used for the simulation of various nano-machining processes and operations, in which continuum mechanics cannot be applied or experimental techniques are subjected to limitations.
关键词: molecular dynamics abrasive process chip formation cutting force temperature
Crystallographic orientation effect on cutting-based single atomic layer removal
Wenkun XIE, Fengzhou FANG
《机械工程前沿(英文)》 2020年 第15卷 第4期 页码 631-644 doi: 10.1007/s11465-020-0599-x
关键词: ACSM single atomic layer removal mechanism crystallographic orientation effect mechanical cutting Manufacturing III
Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG
《机械工程前沿(英文)》 2020年 第15卷 第1期 页码 81-88 doi: 10.1007/s11465-019-0561-y
关键词: tool friction minimum cutting thickness finite element method tool edge radius micro cutting
A review on ductile mode cutting of brittle materials
Elijah Kwabena ANTWI, Kui LIU, Hao WANG
《机械工程前沿(英文)》 2018年 第13卷 第2期 页码 251-263 doi: 10.1007/s11465-018-0504-z
Brittle materials have been widely employed for industrial applications due to their excellent mecha-nical, optical, physical and chemical properties. But obtaining smooth and damage-free surface on brittle materials by traditional machining methods like grinding, lapping and polishing is very costly and extremely time consuming. Ductile mode cutting is a very promising way to achieve high quality and crack-free surfaces of brittle materials. Thus the study of ductile mode cutting of brittle materials has been attracting more and more efforts. This paper provides an overview of ductile mode cutting of brittle materials including ductile nature and plasticity of brittle materials, cutting mechanism, cutting characteristics, molecular dynamic simulation, critical undeformed chip thickness, brittle-ductile transition, subsurface damage, as well as a detailed discussion of ductile mode cutting enhancement. It is believed that ductile mode cutting of brittle materials could be achieved when both crack-free and no subsurface damage are obtained simultaneously.
关键词: ductile mode cutting brittle materials critical undeformed chip thickness brittle-ductile transition subsurface damage molecular dynamic simulation
Cutting performance of surgical electrodes by constructing bionic microstriped structures
《机械工程前沿(英文)》 2023年 第18卷 第1期 doi: 10.1007/s11465-022-0728-9
关键词: surgical electrodes tissue adhesion thermal injury bionic structures cutting performance medical tools
Edge preparation methods for cutting tools: a review
《机械工程前沿(英文)》 2023年 第18卷 第4期 doi: 10.1007/s11465-023-0766-y
关键词: edge preparation method preparation principle cutting edge geometry edge characterization tool performance
Modeling limit force capacities of high force to volume lead extrusion dampers
《结构与土木工程前沿(英文)》 2021年 第15卷 第3期 页码 609-622 doi: 10.1007/s11709-021-0724-x
关键词: extrusion lead dampers upper and lower bound analytical modelling limit force
《机械工程前沿(英文)》 2023年 第18卷 第1期 doi: 10.1007/s11465-022-0729-8
关键词: honeycomb core straight blade ultrasonic cutting tool pose postprocessor
标题 作者 时间 类型 操作
Prediction of cutting force in turning of UD-GFRP using mathematical model and simulated annealing
Meenu GUPTA, Surinder Kumar GILL
期刊论文
Cutting Force Model for a Small-diameter Helical Milling Cutter
LI Xiwen, YANG Shuzi, YANG Mingjin, XIE Shouyong
期刊论文
Research on the dynamic mechanical characteristics and turning tool life under the conditions of excessively heavy-duty turning
Genghuang HE, Xianli LIU, Fugang YAN
期刊论文
Prediction of cutting forces in machining of unidirectional glass fiber reinforced plastics composite
Surinder Kumar GILL, Meenu GUPTA, P. S. SATSANGI
期刊论文
3D finite element prediction of chip flow, burr formation, and cutting forces in micro end-milling of
A. DAVOUDINEJAD, P. PARENTI, M. ANNONI
期刊论文
A hybrid deep learning model for robust prediction of the dimensional accuracy in precision milling of thin-walled structural components
期刊论文
Molecular dynamics modeling of a single diamond abrasive grain in grinding
Angelos P. MARKOPOULOS,Ioannis K. SAVVOPOULOS,Nikolaos E. KARKALOS,Dimitrios E. MANOLAKOS
期刊论文
Crystallographic orientation effect on cutting-based single atomic layer removal
Wenkun XIE, Fengzhou FANG
期刊论文
Modeling of the minimum cutting thickness in micro cutting with consideration of the friction aroundthe cutting zone
Tianfeng ZHOU, Ying WANG, Benshuai RUAN, Zhiqiang LIANG, Xibin WANG
期刊论文