Modeling and analyses of electrolytic in process dressing (ELID) and grinding

... 8.1 Introduction 117 vi 8.2 Principle and modeling of micro/nanoELID grinding 118 8.2.1 Modeling of the work surface 121 8.2.2 Modeling of the ELID -grinding wheel surface 123 8.2.3 Modeling the ... conventional grinding 53 Figure 5.3 Normal and tangential forces and dressing current during the ELID grinding 54 Figure 5.4 Normal and tangential grinding forces...

Ngày tải lên: 16/09/2015, 17:11

... table 1. 1 given below, Introduction Table 1. 1: Comparative analysis of different in- process dressing method Mechanical Laser Electrochemical contact dressing thermal machining dressing dressing System ... attaining precision surface finish and form accuracy using grinding, it is an obvious requirement to have the grinding wheel dressed in- process There are several m...

Ngày tải lên: 14/09/2015, 08:44

... schematic illustration of the interval ELID dressing and grinding Fig2 .2: ELID grinding principle [25 ] Qian et al [26 ] also investigated ELID method to grind the internal surface of cylindrical objects ... finer grit sizes This method of wheel dressing also improves the grinding performance significantly Ohmori et al [22 ] also proposed a hybrid method of dressing and t...

Ngày tải lên: 14/09/2015, 08:44

... Feed rate 30 0 mm/min (roughing); 50 mm/min (finishing) Depth of cut µm (roughing); µm (finishing) 64 Development and performance evaluation of an intelligent ELID grinding machine continues until ... is desirable for grinding 66 Development and performance evaluation of an intelligent ELID grinding machine Fig 3. 11 Three modes of cutting in abrasive machining A...

Ngày tải lên: 14/09/2015, 08:44

... comparing the grinding wheel profile (Before grinding and after grinding) Figure 4. 13 (a) shows profile of the grinding wheel before the grinding and after grinding for conventional ELID Figure 4. 13 ... voltage dressing and constant voltage dressing for average dressing current Dressing on demand ELID grinding generates much less and uniform dressing current than...

Ngày tải lên: 14/09/2015, 08:44

... Design and development of in- process truing for ELID grinding 340 25 20 After 40 seconds of grinding 40 After 360 seconds of grinding After 680 seconds 60 of grinding 20 320 15 300 10 280 80 -5 260 ... Design and development of in- process truing for ELID grinding as described in chapter Electrolytic in- process dressing (ELID) is one of the el...

Ngày tải lên: 14/09/2015, 08:44

... observed in both cases Dressing 1 16 Conclusions current has also been found to be more stable and uniform in this new form of ELID grinding Truing of the grinding wheel is crucial in precision manufacturing, ... used during grinding A new concept of controlled voltage dressing by monitoring the grinding condition has been implemented and its performance has also been...

Ngày tải lên: 14/09/2015, 08:44

... discriminate nonpolar and polar solvents In nonpolar solvents, water is highly retained at the enzyme surface, whereas in polar solvents, water is only weakly retained In the particular case of hexane, ... have Modeling hydration mechanisms of enzymes organic solvent molecules instead of water molecules solvating the enzyme Polar organic solvents In...

Ngày tải lên: 16/03/2014, 10:20

... was to investigate the morphological, hormonal and genetical changes in the early in vitro flowering in Dendrobium Chao Praya Smile D Chao Praya Smile was induced to flower in vitro using BA ... Inflorescence induction and flower development in D Chao Praya Smile 48 Effects of BA on early inflorescence induction in D Chao Praya Smile...

Ngày tải lên: 11/09/2015, 10:06

... Page of Tuning of a PID controller using Ziegler-Nichols Method LAB Objective: 1) To demonstrate the use of PID controller using LabVIEW 2) Finding the values of KP and TI and TD using Ziegler ... challenges to control and instrumentation engineers in the aspect of tuning of the gains required for stability and good transient performance There are several prescriptive rules us...

Ngày tải lên: 27/02/2014, 03:20

... S.K Bhatti, Effect of soybean oil biofuel blending on the performance and emissions of diesel engine using diesel- rk software, International journal of engineering science and technology, 4539-4555, ... TDC than diesel fuel The pressure of cylinder for both diesel and biodiesel comes into agreement with the results obtained by Diesel- rk software [7] 100 Diesel...

Ngày tải lên: 05/09/2013, 16:11

... COD and Alkalinity A composite wastewater sample was subjected to treatability study by means of coagulation-flocculation with alum and chemical oxidation with bleaching powder [Ca(OCl)2] separately ... discharge standard for inland water body Materials and methods 2.1 Manufacturing process of the textile dyeing unit The textile dyeing unit under the present study...

Ngày tải lên: 05/09/2013, 17:03

... 9.6 Introduction Modeling Process Planning Problems in an Optimization Perspective Applying a Genetic Algorithm to the Process Planning Problem Applying Simulated Annealing to the Process Planning ... 9 Application of Genetic Algorithms and Simulated Annealing in Process Planning Optimization 9.1 9.2 9.3 Y F Zhang National University of Singapore...

Ngày tải lên: 25/12/2013, 19:15

... around the glycosidic bonds in the bound substrates u is the O5–C1–O4¢–C4¢ angle and w is the C1–O4 – C4¢–C5¢ angle, where O4 represents the oxygen of the glycosidic bond and atoms of the adjacent ... Stereo figures of the model of the bound substrate in the AD2 E526A mutant (A) and D524A mutant (B) The structures of bound sugars and the side-ch...

Ngày tải lên: 15/03/2014, 11:20

... watering  Maintenance:- weed control, fertilizing, pruning and thinning, fire and pest protection  Inflows:wood; commercial thinning, final harvest non-wood; flora gathering, recreation, land ... Evaluation Criteria The Land Expectation Value(LEV) model is applied in preference to the NPV model Key Parameters in Forestry Models Establishment:- land, land preparation, plant stock,...

Ngày tải lên: 23/03/2014, 04:20