Figure 3 shows the grinding temperature distribution of the workpiece surface at different times (t = 0.15, 0.3 and 0.45 s). It can be seen from Figure 3 that the grinding temperature varies along the feeding direction, which is in line with the actual process of the temperature variation …Author: Yu Guo, Minghe Liu, Yutao YanPublish Year: 2021sp.info Hardness control of grind-hardening and finishing grinding ...Jan 01, 2015 · This paper, firstly, investigates the feasibility of using the area based grinding energy (E c ″) for the prediction of the HPD. Surface grind-hardening tests carried out on 100Cr6, 42CrMo4 and AISI 1045 steels have shown that, for all the tested parameter …Cited by: 21Publish Year: 2015Author: U. Alonso, N. Ortega, J.A. Sanchez, I. Pombo, B. Izquierdo, S. Plazasp.info Prediction of workpiece surface texture using ...Jul 19, 2016 · This paper investigates the ability of circumferentially grooved grinding wheels to create parallel ridges on a workpiece providing a textured surface that may be advantageous for certain applications. In this paper, the effect of wheel speed, workpiece feed rate, grinding direction, and groove factor on the height, spacing, and angle of these ridges were investigated. In addition, an ...Cited by: 12Publish Year: 2017Author: AL-Mokhtar O. Mohamed, Andrew Warkentin, Robert Bauersp.info Prediction of the surface roughness and wheel wear of ...a of work-piece material. As a result, good machining quality during grinding operation was achieved using SiC wheel. This research work mainly focuses on optimizing the process parameters of modern ceramic material (Al 2O 3) when machining with SiC grinding wheels. Hence, an attempt is made to develop an analyticalAuthor: P Kanakarajan, S. Sundaram, A Kumaravel, R Rajasekar, R VenkatachalamPublish Year: 2017
This study presents a prediction study of the surface hardness in surface grinding ASIS 1045 steel. Base on the experimental data on the changes in characteristics of steel in the heat treatment processes, the relationship between the surface hardness and the impacted temperature in surface was found. Besides, the relationship between the cutting temperature and the technology parameters in ...Author: Do Duc Trung, Nguyen Nhu Tung, Nguyen Hong Son, Le Hong Ky, Tran Thi Hong, Nguyen Van Cuong, Vu Ngoc...Publish Year: 2020sp.info PREDICTION OF GRINDING MACHINING PARAMETER S …3.3 3D Workpiece dimension and details view 23 3.4 Disc cutter . 24 3.5 Spark emission spectrometer 25 3.6 Brinell hardness test machine 26 3.7 Setup of mixture during dilution processes 28 3.8 Surface grinding machine 29 3.9 Clamp process 30 3.10 Calibration of table speed 30 3.11 Perthometer 31sp.info Prediction of Surface Zone Changes in Generating Gear …Thus the diameter of the analogy work-piece depends on the number ... (Fig.3). The mapped grinding process is carried out with a spur gear with a number of teeth of = 31 and a normal module of z m n =4.5mm. The material is 20MnCr5. The gears are case-hardened with a sur-face hardness of 60 HRC and a case-hard-ening-depth of CHD550HV = 1.4 mm. ...sp.info Optimization of Process Parameters for Minimum Out-of ...Annealed 416 stainless steel was used as a work piece. The experiments were carried out at grinding wheel speed of 3600 rpm and work piece speed of 330 rpm. The authors found that the grinding force was zero prior to contact of the abrasive wheel with the work piece and as the wheel approached the work piece the grinding force began to increase.
studied the surface roughness and its prediction in cylindrical grinding process based on taguchi method of optimization. The material hardness, work piece speed, and depth of cut were selected as input parameters and surface roughness was selected as response factor. An L9 orthogonal array was used for designing the experiment.sp.info Review of Analysis & Optimization of Cylindrical Grinding ...The optimized parameters for material removal rate are grinding wheel speed 1800 RPM, work piece speed 155 RPM, feed rate 275 mm/min. and depth of cut 0.04 mm. G.G.-600 Universal Cylindrical ...sp.info ICMIEE-PI-1401910 000 Optimization of Grinding …grinding spindle drive speed 50Hz/150, power rating 3.7 KW. Aluminum grinding wheel- WA36G5VBE is used as grinding wheel. Dioxol.M used as cutting fluid. The various process parameters of a surface grinding machine include depth of cut, material hardness, and work piece speed, grinding wheel grain size, and grinding wheel speed.sp.info International Journal of Industrial Engineering …The aim of this study is to correlate work piece material hardness with surface roughness in prediction studies. The proposed model is for prediction of surface roughness of tool steel materials of hardness 55 HRC to 62 HRC (±2 HRC). The machining experiments are performed under various cutting conditions using work piece of different hardness.
surface rough-ness in turning steel AISI D2 with a hardness of 60 HRC using mixed ceramic (Al 2 O 3 + TiCN) coated with TiN. Regarding roughness measurements, hard turning may be presented as a real alternative to substitute grinding operations. Fig. 2. Observed and simulated Fig. 3.sp.info Study on Surface Roughness and its Prediction in ...Carborundum grinding wheel- AA46K5V40 is used as grinding wheel. Soluble oil used as cutting fluid. The various process parameters of a cylindrical grinding machine include depth of cut, material hardness, work piece speed, grinding wheel grain size, …sp.info On Surface Grind Hardening Induced Residual Stresses ...Jan 01, 2014 · Tel.: +44 0 1234 758347. E-mail address: [email protected] Abstract Grind hardening process utilizes the heat generated in the grinding area for the surface heat treatment of the workpiece. The workpiece surface is heated above the austenitizing temperature by using large values of depth of cut and low workpiece feed speeds.sp.info Prediction of high-speed grinding temperature of titanium ...Aug 10, 2016 · High grinding temperature is the key reason of workpiece burnout, which hinders the improvement of the machining quality. In this work, the prediction of high-speed grinding temperature of titanium matrix composites is investigated using back propagation (BP) neural network based on particle swarm optimization (PSO) algorithm (also called as PSO-BP). Furthermore, a comparison has …
grinding. The dataset of the studies [3, 29] is preferred because of its clear experiment results. So, the benchmark study selected from the literature for the proposed prediction model is taken into account as the results of the study . The workpiece is Al – SiC. p. MMC. The proposed GPR model also includessp.info On Surface Grind Hardening Induced Residual Stressesworkpiece material, the grinding wheel type and the presence of a cutting fluid. Most of the published works have concentrated on modeling the effect of these process parameters on Hardness Penetration Depth (HPD), hardness distribution and process induced forces. Fig. 1. Grind-hardening process Q Workpiece Grinding Wheel Hardened zonesp.info In-process prediction of the hardened layer in cylindrical ...Nov 20, 2013 · However, for a successful industrial implementation of the process, the closed loop control of the hardening depth is essential. Firstly, in this paper, cylindrical traverse grinding tests and metallographic analysis are conducted, and a grinding parameter that enables the in-process control of the hardness penetration depth (HPD) is proposed.sp.info External Grind Hardening Forces Modelling and … for the prediction of the heat flux generated in the grinding zone, have estimated theoretically the grinding forces from the average contact pressure that grinding wheel exerts on the workpiece material. Grind-hardening process present a lot of similarities with conventional grinding in terms of process mechanisms.
While MQL is being extensively studied in machining processes  , the discussion of MQL grinding is also ongoing and receiving more attention recently. Silva et al. [6,7] has compared MQL ...sp.info DEVELOPMENT OF 3D SURFACE ROUGHNESS …Keywords: surface, roughness, machining, prediction 1. INTRODUCTION To maintain a desired surface quality of a produced part it is necessary to use a finishing process like grinding, which is economically expensive process. One of the options to eliminate grinding is to use fine turning.sp.info Simulation and Prediction Studies on Harden Penetration ...The grinding heat is utilized to induce martensitic phase transformation and strengthen the surface layer of AISI 5140 alloy steel by raising surface temperature higher than austenitic temperature and cooling quickly. The grinding temperature field is simulated by using finite element method (FEM). Then, the hardness penetration depth (HPD) is predicted from the temperature history and ...sp.info (PDF) Analysis of surface roughness and cutting force ...Material Hardness HV (daN/mm2) Tenacity (MPa m1/2) Young’s modulus (GPa) Density (g/cm3) Grain size (lm) CBN 7020 2800 4.2 570 4.3 2.5 rate (f), depth of cut (ap) and workpiece hardness (H)) and the output Y deﬁne as a machinability aspect (surface roughness (Ra) or cutting force components (Fa, Fr and Fv)) is given as: Y ¼ /ðVc; f ; ap ...
Grind-hardening processing is an emerging approach that combines the grinding and surface quenching process. During the process, the hardened layer—mainly martensite—is produced on the surface of the workpiece to achieve the purpose of surface strengthening. Above all, the surface temperature field of the hypoeutectoid-1045 steel workpiece was determined by finite element method for fully ...sp.info Experimental investigation of surface roughness, flank ...workpiece hardness, tool mate rials, different coatings on machinability characteristics like surface roughness, cutting forces and tool flank wear with various workpiece materials (MDN 250, AISI 4340, 4140, 52100, 6150, D2, D3, H10, H11 and H13 die steel) in hard turning for process optimization and machining performance predictionsp.info Effect of cutting parameters on the dimensional accuracy ...Jan 07, 2019 · In the machining operations, final surface finish and dimensional accuracy are the most specified customer requirements. Hard turning machining operation using cubic boron nitride tool as an alternative of grinding process is a type of turning operation in which hardened steel are machined with the hardness greater than 45 HRc. During the hard turning operation because of the hard condition ...sp.info Subsurface mechanical damage correlations after grinding ...2.2. Grinding Experiments. Loose abrasive grinding of each of the workpiece materials was conducted on a 300-mm-diameter flat granite lap utilizing 15-μ m Al 2 O 3 abrasives (Microgrit WCA 15T; Universal Photonics, Hicksville, New York). The loose abrasive slurry was prepared as five parts water to one part abrasive powder and fed single pass with a 1.2-mL / min feed rate using a peristaltic ...Some results are removed in response to a notice of local law requirement. For more information, please see here.
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