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Biodiesel wurde aus dem rohen Karanja-Ãl durch Umesterung des Ãls mit Methanol in Gegenwart von KOH als Katalysator hergestellt. Das Molekulargewicht des Rohöls wurde bestimmt und lag bei 892,8. AnschlieÃend wurde sowohl die saure als auch die alkalische Veresterung durchgeführt, um das Endprodukt zu erhalten. Die maximale Ausbeute von 88 % wurde bei einem Molverhältnis von 8:1 für die saure Veresterung und 9:1 für die alkalische Veresterung und 0,5 Gew.-% KOH als Katalysator unter Verwendung eines mechanischen Rührers erreicht. Wichtige Brennstoffeigenschaften des aus Karanjaöl hergestellten Methylesters von Biodiesel wie Viskosität, Flammpunkt, Brennpunkt, Heizwert und Aschegehalt wurden ermittelt und mit den Eigenschaften verglichen. Eine experimentelle Untersuchung wurde durchgeführt, um die Leistung, die Emissionen und die Verbrennungseigenschaften eines Dieselmotors unter Verwendung verschiedener Mischungen von Karanja-Methylester mit Mineraldiesel zu bewerten. Karanja-Methylester wurde mit Diesel in Anteilen von 10 %, 20 %, 30 %, 40 % und 50 % der Masse gemischt und unter verschiedenen Lastbedingungen in einem Dieselmotor mit Selbstzündung untersucht.
Wear occur between two surfaces when they are in contact. Main factor that contribute to wear is friction. The dimensions of the component changes when wear results. It may require replacement when small amount of material has been removed. The removal of material during wear is slow process but very continuous and steady. Wear is a common phenomenon in most plant and machinery and is often a slow and progressive process. As the rate of wear is high so it requires frequent repair and replacement. Due to wear the dimensions of the product change. Now a days¿ surface coating is applied to a great extent to improve the surface characteristics of material and to reduce wear. Detonation spray coating represents cost effective and important technique for modifying the surface properties of engineering components with a view to enhancing their performance and durability. Detonation spray coating increasingly being used to improve the performance of engineering component including gear, bearing and metal cutting tool due to their high hardness and mechanical structural properties .In the present research study efforts will be made to reduce the wear resistance of leaf spring.
In present study an effort has been made to optimize the CNC milling parameters for D3 material using Response Surface Method (RSM) to maximize material removal rate (MRR) and minimize surface Roughness. As Speed (rpm), Feed (mm/min) and depth of cut (mm) are the main milling parameters to optimize includes operator skill, Tool used, work material, machining conditions, coolant used etc. as noise factors. Therefore considered parameters to optimize in present study are speed, feed and depth of cut. Surface Roughness (Ra) and material removal rate (Ra) are the considered responses. Machining has been done on kitumura 1992 model series CNC vertical milling machine with 4 flute carbide tool on the RSM matrix of input parameters. Further material removal rate (MRR) and surface roughness (Ra) are measured. Then analysis work has been done using regression test. After that we got optimized parameters for CNC milling to get maximum MRR and Minimum Ra. The optimum values of machining parameters ¿ cutting speed, feed and depth of cut were determined as 2210.07 rpm, 850 mm/min and 0.237430 mm respectively.
In this book, we analysed one of the quality improvement techniques: Six Sigmain MSME¿s Producing good quality products and reduce cost is key element of every enterprise and firm .Now days there is very difficult to compete our firms when company go through improvements. So get good results these companies adopt some lean manufacturing process. Six Sigma is introduced in 1986 . Six Sigma seeks to enhance the standard of output by identifying and removing of causes of defects. In this we get data from various industries and apply reliability test , Anova test. And done correlation analysis . From these we get results that how productivity and cost depends on different factors of any industry. These techniques give positive results to companies.
An Enterprise Resource Planning (ERP) system is a packaged business software system that enables a company to manage the efficient and effective use of resources (materials, human resources, finance, etc.) by providing a total, integrated solution for the organization¿s informationprocessing needs. It supports a process-oriented view of the business as well as business processes standardized across the enterprise. Among the most important attributes of ERP are its abilities to: automate and integrate an organization¿s business processes; share common data and practices across the entire enterprise; and produce and access information in a realtime environment. ERP is an enterprise-wide resources, information, and activities needed to complete business processes such as order fulfillment or billing. ERP systems can cover a wide range of functions and integrate them into one unified database. ERP predicts and balances demand and supply. It is an enterprise-wide set of forecasting, planning, and scheduling tools. Successful ERP implementation (initial stage of ERP) does not necessarily lead to the success of ERP post-implementation.
Supply chain management integrates the management of supply and demand. According to the Council of Supply Chain Management Professionals, it encompasses ¿the planning and management of all activities involved in sourcing and procurement, conversion and logistics.¿ Supply chain management also covers coordination and collaboration with channel partners, such as customers, suppliers, distributors and service providers.
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