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Charanjit Singh, Dr. Chandan Deep Singh Study of Electro Discharge Machining of Non-Conductive Ceramic On Alumina & Glass

Technology & Engineering
English
7006 Words
Ages 16 and up
85
0

Electric Discharge Machining (EDM) is very important and prominent machining processamong all the newly developed non -traditional machining techniques. This process isextremely useful for “difficult to machine” conducting materials such as heat treated toolsteels, composites, super alloys, heat resistant steels, ceramics, carbides, etc. In thistechnique i.e. in EDM, the material removal of the electrode is achieved through highfrequency sparks between the tool and the work-piece immersed into the dielectric. TheMaterial Removal Rate (MRR), Tool Wear Rate (TWR) and surface roughness are some ofthe important performance parameter of EDM process. The objective of EDM is to get highMRR as well as achieving reasonably good surface quality of machined component. Themachining parameters that achieve the highest MRR strongly depend on the size of themachining surface i.e. Electrode used and work-piece surface. With upcoming worldwideimportant applications of Non-Conductive ceramics machining has become an importantissue which needs to be investigated in much detail. The Alumina (Al2O3), Glass and otheradvanced engineering ceramics are rapidly emerging class of engineering materialspossessing a wide range of remarkable properties i.e. high hardness, chemical stability,very low friction, unique electrical properties and these engineering ceramics posses highwear resistance which make them highly suitable for such engineering applications as jetengines and other aeronautical components, tools and dies and electronic sensors. [more]

Keywords: EDM, Ceramic, Alumina, Glass

$18.99

Effect of Machining Parameters on Surface Roughness and Dimensional Accuracy of Micro Drilling for Copper

Dr. Chandan Deep Singh, Rajdeep Singh Effect of Machining Parameters on Surface Roughness and Dimensional Accuracy of Micro Drilling for Copper

Technology & Engineering
English
10043 Words
Ages 16 and up
174
0

Drilling is one of the basic machining process of making holes and that is is essential formanufacturing industry. Therefore optimization of the parameters that control the process ofmicro drilling is unavoidable in order to have the best results. In this study the parametricoptimization of micro drilling has been studied by considering a number of parameters such asspindle speed, feed rate and drilling tool size on material removal rate (MRR), surfaceroughness, dimensional accuracy. In this work, a study has been done on optimum drillingparameter for carbide drilling tool in micro-drilling processes in order to find the best drillingparameter for copper as a work piece material. Micro drilling experiment with 2.3mm to 2.6 mmdrill sizes were performed by changing the spindle speed and feed at three different levels.Comparative analysis has been done between surface roughness, MRR and dimensional accuracyof drilled holes by experimentation. From the result, the surface roughness are mostly influencedby spindle speed and feed rate. As the spindle speed increases, the surface roughness willdecrease. However the surface roughness increases with increase in feed rate. The value ofMRR decrease when the tool diameter, spindle speed and feed rate decreases. As drilling tooldiameter, feed rate and spindle speed increase the dimensional accuracy of drilled hole willdecrease. The increment of spindle speed and feed rate value will affect the tool wear. [more]

Keywords: Micro drilling Surface roughness, Material removal rate, Dimensional accuracy., Micro Drilling, Surface Roughness, Material Removal Rate, Dimensional Accuracy

$28.99

Anil Kumar, Dr. Chandan Deep Singh Evaluating process life cycle inventory for milling process

Design
English
10657 Words
Ages 16 and up
60
0

Designing a sustainable manufacturing system entail taking into account both financial and environmental restrictions. Business concerns about sustain strategies of commercial and environmental accounting are developing. Still here, different techniques of measure an association's or providing chain's total environmental impact, and there is currently no agreed-upon uniform standard. Energy use's environmental and climate implications are quickly becoming a major challenge for industry and civilization. Changing client expectations and requirements, government restrictions, and changing competition force many organisations to compete in new areas. [more]

Keywords: Life cycle inventory, milling process, machining, process life cycle

$7.99

FRED H. COLVIN , A. JUTHE THE WORKING OF STEEL

Technology & Engineering
English
72018 Words
Ages 18 and up
2
1

Fred Herbert Colvin (1867–1965) was an American machinist, technical journalist, author, and editor. He wrote, co-wrote, edited, or [more]

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FRED H. COLVIN , A. JUTHE THE WORKING OF STEEL

ANNEALING, HEAT TREATING AND HARDENING OF CARBON AND ALLOY STEEL

Art
English
71896 Words
Ages 18 and up
2
0

Fred Herbert Colvin (1867–1965) was an American machinist, technical journalist, author, and editor. He wrote, co-wrote, edited, or [more]

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