lConventional Machining VS Non-Conventional Machining Conventional machining usually involves changing the shape of a workpiece using an implement made of a harder material. Using conventional methods to machine hard metals and alloys means increased demand of time and energy and therefore increases in costs; in some cases conventional machining may not be feasible. Conventional machining also costs in terms of tool wear and in loss of quality in the product owing to induced residual stresses during
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NONTRADITIONAL MACHINING AND THERMAL CUTTING PROCESSES Review Questions 26.1 Why are the nontraditional material removal processes important? Answer. Reasons for importance of are nontraditional material removal processes (1) the need to shape new metal alloys and non-metals that are difficult to machine by conventional processes; (2) the requirement of unusual and complex workpart geometries; and (3) the need to avoid surface damage which is often associated with conventional machining. 26.2 There
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Sea Stars (no longer considered called Star Fishes) are marine animals‚ part of the class Asteroidea. They are carnivorous invertebrates and can live up to 35 years. Despite the number of arms on a sea star averaging 5‚ they can grow up to 40 limbs. Sea Stars can be found almost anywhere but those located in the Pacific Ocean are getting hit with a mysterious condition. This condition starts out as a white or black lesion on the sea star’s body. From there‚ it spreads all over the body‚ causing
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In the 1960’s‚ one plainclothes officer is sent out to work Manhattan‚ Brooklyn‚ and the Bronx. His name is Frank Serpico‚ an Italian American charged with the task of exposing various racketeering in his district. However‚ what he discovered in 1967 was not any organized crime. What he discovered was the corruption of his own police force‚ the NYPD. However‚ repeated attempts to get his evidence of corruption noticed failed. It was only when he submitted the story to the New York Times in 1970 did
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Case Study #3 1. Out of the three time points‚ Max was the most dehydrated immediately after exercise. 2. The two parameters that can be used to determine Max’s hydration status is color and and pH. It is not specific gravity (SG) because Max’s SG is 1.035 which is within normal range. It is also not protein because in the lab manual it says that a trace amount of albumin in Max’s urine is normal. 3. If ADH levels increase‚ water reabsorption by the DCT/collecting ducts increases and the resulting
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happened to the R-R interval and heart rate after exercise? After exercise the R-R interval increased steadily from 0.48 to 0.68 seconds‚ while the heart rate BPM decreased steadily from 123 to 76; both trending back towards the resting values. What happened to the T-P interval during exercise? Outline what this means for ventricular filling time. During exercise there was a significant drop in the T-P interval which then steadily increased when exercise was completed. The T-P interval represents a
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ABRASIVE JET MACHINING INTRODUCTION:- IT IS A PROCESS OF MATERIAL REMOVAL THROUGH THE ACTION OF A FOCUSED STREAM OF FLUID WITH ABRASIVE PARTICLES. IT IS ESPECIALLY USED FOR MACHINING SUPER ALLOYS‚ CERAMICS; GLASS AND REFRACTORY MATERIAL. IT IS ONE OF THE NON-POLLUTING METHODS AVAILABLE FOR MACHINING HARD MATERIALS TO PRECISION DETAILS. IN ABRASIVE WATER JET MACHINING THE ABRASIVE PARTICLES UTILIZES WATER JETS TO ACCELERATE OR DECELERATE THEIR SPEEDS DEPENDING UPON THE TYPE OF MATERIAL TO BE MACHINED
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The role of a supervisor can differ from upper or middle management. Supervisors will usually carry out a specific task that they have expertise in or have some form of education. Supervisors usually ensure that work has been completed. Usually‚ those with leadership qualities gravitate a natural flow with their subordinates. Supervisors have to facilitate the achievements and goals of their subordinates and make them accountable for their performances. Supervisors make the recommendation for improvements
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where did I come from‚ why am I here‚ and where do I go when I die? The answer to these questions has always been some sort of religion‚ and that this world has a designer with an incredible plan. Now as time has progressed a very dangerous solution was introduced to the world and with its arrival it is changing the very fabric of humanity. The new religion of the day is science and this affects our legal system‚ school system‚ and thought process. These effects over time can be detrimental to the
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Indian Institute of Technology‚ Kanpur PHOTOCHEMICAL MACHINING (PCM) ME662 Advanced Machining Processes Tarun Mankad Y4456 October 05‚ 2007 CONTENTS INTRODUCTION 5 PROCESS OUTLINE 7 PROCESS COMPONENTS 8 PCM PRODUCTS 21 COST DRIVERS 27 ADVANTAGES OF PCM 28 CONCLUSION 29 REFERENCES 31 LIST OF ILLUSTRATIONS Illustration 1: the current PCM process 7 Illustration 2: process flow-chart 9 Illustration 3: etch profile development with time 14 Illustration
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