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Dissertations / Theses on the topic 'Crusher design'

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1

Vestman, Johan, and Patrik Sjöberg. "Hydrocone Crusher : A new fast robust design of the hydraulic system." Thesis, Linköping University, Department of Management and Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11016.

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<p>This master thesis has been conducted at Sandvik Svedala. The thesis is the first step towards a new construction of a hydraulic system for a Hydrocone crusher. First we studied how contaminations entered the system of today. Then the work began with designing several concepts to control the crusher. These basic concepts were presented to Sandvik and the one was chosen for further development was fine tuned and a system was built. This system was tested at a test rig to verify that the basic ideas were working. This test pointed out the disadvantages of the system, and the improvements need
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2

Lundgren, Gustav Müller. "Design parameters for powder removal from crushed glass in a gravity separator." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4430.

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Mercury is one of the most dangerous elements that exist on this earth and can cause serious damage to both humans and nature. Therefore it is crucial that it does not get spread out in the environment but is recycled in a safe manner when used in consumer products. Fluorescence lamps that are coated with mercury contaminated fluorescence powder still exist today. Therefore it is crucial that the mercury contaminated fluorescence powder is separated from the glass so the fluorescence powder can be reused and the mercury can be sent to final deposal. This thesis has been done as a compulsory pa
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3

Du, Plessis Michael. "The design and behaviour of crush pillars on the Merensky reef." Thesis, University of Pretoria, 2015. http://hdl.handle.net/2263/58270.

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Crush pillars are used as part of the stope support in intermediate depth tabular mining stopes. Crush pillar design should ensure that the pillars crush when formed at the mining face. This behaviour of the pillars is typically achieved when the pillars have a width to height ratio of approximately 2:1. Once crushed, the residual stress state of the pillars provides a local support function. Crush pillars are extensively used in the platinum mines of South Africa. In most cases effective pillar crushing is not achieved, resulting in pillar seismicity. The objective of the research was to det
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4

Aquili, Tommaso. "The Austerical City. : London at the crush test of austerity." Thesis, KTH, Urbana och regionala studier, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-239012.

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In the UK, the unprecedented cuts to local budgets, implemented by the national governments from 2010 to the present day, have pushed local authorities to reconsider their scope, their role and their action. The ever decreasing budgets have de facto transformed local councils from service providers to territorial entrepreneurs, as the pressing pursuit of revenues has placed the economic profit at the core of the local policy-making. Urban planning plays a central role in this shift in mindset. The British planning system has been remodelled so to facilitate the implementation of development pr
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Siripun, Komsun. "Characterisations of base course materials in Western Australia pavements." Thesis, Curtin University, 2010. http://hdl.handle.net/20.500.11937/960.

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Western Australia (WA) has a road network of approximately 177,700 km, including a 17,800 km stage highway system (Main Roads Western Australia 2009). This infrastructure supports a population of only about two million, and road funds always have to be carefully considered when allocated to highway authorities or other organisations. Pavement design is a process intended to find the most economical combination of suitable materials and layer thicknesses for construction. The pavement must have a carefully-specified unbound granular base to further reduce construction costs, and must be surface
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Lavoie, J. André. "Design and application of a quasistatic crush test fixture for investigating scale effects in energy absorbing composite plates." Master's thesis, Virginia Tech, 1993. http://hdl.handle.net/10919/41649.

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<p>A crush test fixture for measuring energy absorption of flat plate specimens from an earlier study was redesigned to eliminate the problem of binding of the load transfer platen with the guide posts. Further modifications were to increase the stroke, and combine the two scaled test fixtures into one. This new crush test fixture was shown to produce load displacement histories exhibiting well developed sustained crushing loads over long strokes.</p> <p> An experimental study was conducted on two material systems: AS4/3502 graphite/epoxy, and a hybrid AS4-Kevlar/3502 composite. The e
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7

Lavoie, J. André. "Design and application of a quasistatic crush test fixture for investigating scale effects in energy absorbing composite plates /." This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03172010-020104/.

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8

Šrámek, Jiří. "Stavebně technologický projekt výrobní a administrativní haly ATX." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392191.

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The subject of this master’s thesis is a solution of chosen parts of building construction project. The project solves industrial hall that contains productions and administrative space. This thesis includes technological regulations for substructure, study of performing the main technological stages, design of using machines, checking and testing plans. Other phrases parts are time schedules, budget, calculations, design of site equipment including engineering report and report for performing access road. Starting materials, which were used for this thesis, were engineering report also includ
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9

Garnaik, Sobhan. "Computer aided design of jaw crusher." Thesis, 2010. http://ethesis.nitrkl.ac.in/1812/1/thesis_sobhan.pdf.

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Due to their simple design and easy maintainability jaw crushers are widely used as primary size reduction equipments in mechanical and mining industries. As jaw crushers break minerals & ores of high strength and the economy of many industries depends on its performance; it is essential to improve the efficiency of the present design. The kinematic analysis of single toggle jaw crusher shows that the forces on the moving jaw plate at different crank angle are different and hence power generated varies with crank angle. One way to increase the efficiency is to store the energy in a flywheel wh
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10

Gupta, Deepak. "Design and Analysis of a Horizontal Shaft Impact Crusher." Thesis, 2011. http://ethesis.nitrkl.ac.in/2148/1/107ME037_-_Impact_Crusher.pdf.

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Crusher is one of the major size reduction equipment that is used in metallurgical, mechanical, and other similar industries. They exist in various sizes and capacities which range from 0.1 ton/hr. to 50 ton/hr. They can be classified based on the degree to which they can fragment the starting material and the way they apply forces. Based on the mechanism used crushers are basically of three types namely Cone crusher, Jaw crusher and Impact crusher. Our objective is to design various components of an Impact crusher like drive mechanism, shaft, rotor, hammers, casing, and discharge mechanism wh
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11

Bharule, Ajay. "Computer Aided Design and Analysis of Swing Jaw Plate of Jaw Crusher." Thesis, 2009. http://ethesis.nitrkl.ac.in/1483/1/Computer_Aided_Design_and_Analysis_of_Swing_Jaw_Plate_of_Jaw_Crusher.pdf.

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Traditionally, stiffness of swing plates has not been varied with changes in rock strength. Rock strength has only been of interest because of the need to know the maximum force exerted by the toggle for energy considerations. Thus a swing plate, stiff enough to crush taconite with an unconfined compressive strength (q_u) of up to 308 MPa, may be overdesigned (and, most importantly, overweight) for crushing a softer fragmental limestone, amphibolites. Design of lighter weight jaw crushers will require a more precise accounting of the stresses and deflections in the crushing plates than is avai
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12

Patnaik, Sidhartha, and Biswajit Pattnaik. "Design and Analysis of Impact Crushers." Thesis, 2007. http://ethesis.nitrkl.ac.in/4276/1/Design_and_Analysis_of_Impact_Crushers.pdf.

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Crushers are major size reduction equipment used in mechanical, metallurgical and allied industries. They are available in various sizes and capacities ranging from 0.2 ton/hr to 50 ton/hr. They are classified based on different factors like product size and mechanism used. Based on the mechanism used crushers are of three types namely Cone crusher, Jaw crusher and Impact crusher. Our objective is to design various components of an Impact crusher like drive mechanism, shaft, rotor, hammers, casing, feed and discharge mechanism which will be useful in minimizing weight, cost and maximizing the
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13

Viyanant, Chirayus. "Potential use of recycled asphalt pavement and crushed concrete as backfill for mechanically stabilized earth walls." Thesis, 2006. http://hdl.handle.net/2152/2945.

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14

Watson, Bryan Philip. "Rock behaviour of the Bushveld Merensky Reef and the design of crush pillars." Thesis, 2011. http://hdl.handle.net/10539/9629.

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PhD, Faculty of Engineering and the Built Environment, University of the Witwatersrand, 2010<br>The aim of this investigation was to provide a proper design procedure for Merensky crush pillars, based primarily on underground measurements. Three sites with a variety of geotechnical conditions were selected. An interaction between the pillars and the rock mass around the stopes was shown by the literature, relevant laboratory tests and numerical modelling. During the investigations, nonlinear rock behaviour was observed at one of the sites. Further studies revealed that nonlinear behaviou
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15

HSU, CHIEN-WEI, and 許倩瑋. "Mobile Game Design、Network Externality and Service Quality On the Impact of Customer Loyalty-take Candy Crush as an example." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/20698441907390078541.

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碩士<br>銘傳大學<br>企業管理學系碩士在職專班<br>105<br>The emerging App game has brought new trends to Taiwan's overall gaming market, according to Taiwan's game consumer market analysisApp the emergence of the game makes the old game market changes. Apply the game to cause the player's game to produce a diversion, more than 60% of the players because mobile and flat mobile conveniencemove the time of the computer game to the App game, App game to become the future of Taiwan game market trends. HoweverApp game cycle is short and game loyalty is not high under the disadvantage, how to enhance the player's attitu
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