standard designation of high speed tool steel

Development of high speed video imaging as a process analytical technology (PAT) tool

Ngày tải lên : 11/09/2015, 10:00

... mounted on the bottom of the heat sink 57 Figure 14 Schematic diagram of high speed video imaging of spheronization bed surface 65 Figure 15 Schematic representation of high speed video imaging ... Determination of particle growth kinetics during spheronization 56 3.C.2.1 High speed video imaging 56 3.C.2.2 Particle sizing using Ferret diameter determination of in-process high speed ... surface mean speed with respect to spheronization time and mean particle size 110 Figure 35 (A) Sample of original image from high speed video clips (recording speed: 4219 fps), (B) sample of preprocessed...

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The Economic Effects of High Speed Rail Investment pot

Ngày tải lên : 17/03/2014, 08:20

... analysis of the high- speed train in Spain’, The Annals of Regional Science, 31: 175-188 de Rus, G and Nombela G (2007), ‘Is investment in high speed rail socially profitable?’, Journal of Transport ... aim of changing modal split in the benefit of the railways.2 High speed trains require high speed infrastructure, meaning that new dedicated track need to be built at a cost substantially higher ... 38 85 15 (1) High speed only Paris-Bruselles (2) High speed only Rome-Florence (3) High speed only Rome-Florence (4) Upgraded conventional line Figure HSR market share and railway speed 250 Madrid-Barcelona...

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ECONOMIC ANALYSIS OF HIGH SPEED RAIL IN EUROPE docx

Ngày tải lên : 31/03/2014, 05:21

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Báo cáo hóa học: " Research Article A DVP-Based Bridge Architecture to Randomly Access Pixels of High-Speed Image Sensors Tareq Hasan Khan and Khan A. Wahid" doc

Ngày tải lên : 21/06/2014, 07:20

... very high speed (over 200 MHz) so that the image pixels can be accessed in real time through high- speed image sensors As a result, the MCUs (or image processor) using the bridge need not be high ... image sensor The frequency of DCLK is half or quarter of the frequency of EXTCLK depending on the configuration of the image sensor The initialization and configuration of the image sensor is done ... hardware data of the iBRIDGE with other image sensors The first set of sensors are “application-specific” and not support random access of the image pixels The second sets of sensors are of general...

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Accelerating Test, Validation and Debug of High Speed Serial Interfaces

Ngày tải lên : 09/04/2015, 17:22

... Validation and Debug of High Speed Serial Interfaces Yongquan Fan · Zeljko Zilic Accelerating Test, Validation and Debug of High Speed Serial Interfaces 123 Dr Yongquan Fan High Performance Analog ... probabilistic properties and the basics of the simulation and emulation approaches to the modeling of BER effects 2.1 High- Speed Serial Communication The high- speed serial communication interfaces ... matured standard, but IEEE is already in development of 40GbE and 100GbE The increasing bandwidth requirements are driving silicon vendors to provide HSSIs with higher speeds In 2002, the highest...

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Electrical performance analysis of high speed interconnects and circuits by numerical modeling methods

Ngày tải lên : 16/09/2015, 15:55

... meet the high- speed transmission needs of chips despite further scaling of feature sizes [1] 1.1.1.2 High- Speed Interconnect Effects The term, highspeed, is usually defined in terms of the frequency ... and support -III- Table of Contents Table of Contents SUMMARY I ACKNOWLEDGEMENTS III TABLE OF CONTENTS IV LIST OF SYMBOLS VIII LIST OF TABLES XIII LIST OF FIGURES XIV LIST OF ACRONYMS XXI CHAPTER ... modeling and simulation of interconnects become imperative in the high- speed regime Fig 1.1 Schematic diagram showing high- speed interconnects effects 1.1.2 Modeling and Simulation of Interconnects...

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Experimental Invetigation Of Machining Parameters For EDM Using U-Shaped Electrode Of AISI P20 Tool Steel

Ngày tải lên : 10/12/2016, 10:06

... tool steel categories Category Class Type Designations Steel Tool steel General mold steel Germany : DIN 1.2330 United States : ASTM A681 , UNS T51620 Table 3.3 Mechanical properties of P20 steel ... because of the failure of carbon to precipitate at difficult to reach regions of the electrode 3.6.1 Evaluation of tool wear rate TWR is expressed as the ratio of the difference of weight of the tool ... resistant steels etc There are different types of tool material are using the EDM method And the tool steel contains carbon and alloy steels that are particularly well-suited to be made into tools...

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ANH DESIGN OF HIGH SPEED AWGN COMMUNICATION

Ngày tải lên : 21/12/2016, 10:36

... an exact software model of the transmission system (transmitter, channel and receiver) and its statistical behavior is estimated by software emulation of the transmission of thousand of bits Monte-Carlo ... uniform quantization of segment [0,1] where K is the number of recursions and q is the number of bits required to select one of the 2q segments of length ∆ r= 2-rq at the level r of the recursion ... (need a costly high- speed high- quality ADC), second, it is impossible to generate twice the same sequence of data Unfortunately, this last feature is particularly useful for the debug of the communication...

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OPTIMIZATION OF SURFACE ROUGHNESS IN MICRO HIGH SPEED END MILLING OF SODA LIME GLASS USING UNCOATED TUNGSTEN CARBIDE TOOL WITH COMPRESSED AIR BLOWING

Ngày tải lên : 14/05/2016, 23:00

... also consisted of another air supply for the air blower Fig shows the experimental setup for the high speed micro-end milling of soda lime glass with uncoated tungsten carbide tool Fig 1: Schematic ... Schematic representation of the experimental setup used for high speed micro-end milling of soda lime glass with compressed air delivery mechanism A micro-grain cemented carbide tool with plasma CVD ... 2.49231E-005*Spindle Speed + 0.029167*Axial Depth of Cut - 0.026923*Feed Rate - 3.00000E-003*Axial Depth of Cut*Feed Rate + 2.61538E-010*SpindleSpeed2 +1.64615E-003*Feed Rate2 (1) Table 3: ANOVA of the developed...

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A STUDY ON SOLUBILIZATION OF EXCESS SLUDGE BY HIGH SPEED ROTARY DISK PROCESS

Ngày tải lên : 05/09/2013, 08:40

... treatment of high concentration of sludge; 2) investigation of optimal operating condition; 3) extent of improvement of lower molecular through hydrolysis; 4) estimation of the existence of biomass; ... definition of “solubilization” If biodegradability of samples is used as explanation of solubilization, the definition of this basic standard should be necessary From the view of the change of the ... equivalent to 3500 r.p.m from high speed rotary disk sludge 200φ Pump sludge tank flow meter 100φ unit: mm input output output 3500r.p.m high speed rotary disk to high speed rotary disk recirculation...

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Improvement of Water Quality by Removal of Suspended Solids and High-speed Biological Filtration in Closed Water Body

Ngày tải lên : 05/09/2013, 08:40

... influence of these disturbances was found Some sampling points were selected They are the outlet of plant, the outside of experimental area, points of horizontal level and 0.5, 1.0, 1.5 m of vertical ... outlet of equipment Transparency[cm] 60 out of experimental area 50 40 30 20 10 10 15 20 25 30 35 40 45 50 Time[d] Figure Variation of Transparency Variation of COD concentration Variation of COD ... system, and the removal of nitrogen should be considered, too References [1] Department of Water Environment, Ministry of the Environment, Japan July 2002 Outline of Administration of Water Environment...

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Tài liệu ECONOMIC, ENVIRONMENTAL AND ENERGY ASSESSMENT OF THE TURIN-LYON HIGH-SPEED RAIL pdf

Ngày tải lên : 20/02/2014, 19:20

... of tunnels, 10-20 years of construction work, thousands of trucks trips for transportation of materials to and from the site, million tons of excavated material to be disposed of, thousands of ... at a speed of 150 kilometers per hour and have to stop and spend most of their time in a transit station when they arrive in Italy Concerning passengers, it makes sense to talk of High Speed ... Citizenship, a Case Study The Controversy of High- Speed Rail in the Susa Valley; Paolo Beria, Raffaele Grimaldi, 2011 An Early Evaluation of Italian High Speed Projects Tema, 4(3): 15-28 http://www.tema.unina.it...

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ECONOMIC, ENVIRONMENTAL AND ENERGY ASSESSMENT OF THE TURIN-LYON HIGH-SPEED RAIL potx

Ngày tải lên : 17/03/2014, 07:20

... of tunnels, 10-20 years of construction work, thousands of trucks trips for transportation of materials to and from the site, million tons of excavated material to be disposed of, thousands of ... at a speed of 150 kilometers per hour and have to stop and spend most of their time in a transit station when they arrive in Italy Concerning passengers, it makes sense to talk of High Speed ... Citizenship, a Case Study The Controversy of High- Speed Rail in the Susa Valley; Paolo Beria, Raffaele Grimaldi, 2011 An Early Evaluation of Italian High Speed Projects Tema, 4(3): 15-28 http://www.tema.unina.it...

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High speed digital system design a handbook of interconnect theory and design practices john wiley

Ngày tải lên : 05/04/2014, 23:04

... digital design, which is arguably one of the most significant industries in electrical engineering The focus of this book is on the design of robust high- volume, high- speed digital products such as ... circles Often, the concepts of high- speed design are perceived with a sort of mysticism However, this problem has not come about because the required knowledge is unapproachable In fact, many of the ... completely different view of high- speed logic signals The physical and electrical attributes of every structure in the vicinity of the interconnect has a vital role in the simple task of guaranteeing proper...

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Báo cáo hóa học: "Research Article Design of an Omnidirectional Multibeam Transmitter for High-Speed Indoor Wireless Communications" doc

Ngày tải lên : 21/06/2014, 17:20

... advantages of these types of systems are high ambient light rejection and reduced multipath distortion due to the use of narrow FOV detector in the receivers Later, Kahn et al [21] reported the use of ... system has the potential of providing a field of view (FOV) of near semisphere or 180 degree with sufficient power level To combat the adverse effects of multipath dispersion for high bit rate system, ... elevation angle of θ = 30 degrees and an azimuth angle of φ = degrees The transmitter in our simulation setup was a highspeed 850 nm light emitting diode (LED) with a spectral bandwidth of 50 nm, which...

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Báo cáo hóa học: " Research Article VLSI Implementation of a Fixed-Complexity Soft-Output MIMO Detector for High-Speed Wireless" pptx

Ngày tải lên : 21/06/2014, 17:20

... a gain of more than dB compared to the MMSE detector The use of stronger code (e.g LDPC) will bring a gain of dB in throughput compared 6.3 Impact of Channel Estimation Error In most of the literatures ... 3.3, the complexity of MFCSO is proportional to n2 Hence, the area of the detection part for × will be RX four times of the presented × solution Compared to the 31 mm2 ﬁgure of a K-best detector ... Germany, March 2010 T Cupaiuolo, et al., “Low-complexity high throughput VLSI architecture of soft-output ML MIMO detector,” in Proceedings of the IEEE Dessign, Test and Automation in Europe, Dresden,...

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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_1 pot

Ngày tải lên : 21/06/2014, 22:20

... deliberately softening the tool (i.e Degrading tool test), in order to speed- up the machinability process the cutting speeds are increased If the cutting speeds are significantly increased, the tool will ... form of machinability comparison ‘Homogeneity of material’ , refers to a uniformity of its microstructure and having isotropic properties used This latter problem of lack of homogeneity of the ... machinabilities of two, or more different combinations of tool and workpiece Whereas, the ‘long tests’ can produce a more complete depiction of the anticipated conditions for various combinations of tool...

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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_2 docx

Ngày tải lên : 21/06/2014, 22:20

... have been used, since these grades withstand both higher speeds and have better tool wear resistance to that of previously utilised cutting tool materials However in this case, an P25 grade was ... Furthermore, the cutting speed was raised by >2.5 times the optimum of 200 m min–1, with all facing operations being conducted at a ‘constant surface speed 12 of 550 m min–1 Typical tool- life curves ... ANOVA: Total Sum of Squares about the mean: n ¯ � (y  − y ) i= ↓ Sum of squares – due to Source1 ↓ Sum of squares – due to Source2 ↓ Sum of squares – due to Source3 ↓ Sum of squares – due...

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Machining of High Strength Steels With Emphasis on Surface Integrity by air force machinability data center_4 pot

Ngày tải lên : 21/06/2014, 22:20

... way: ‘The ratio of the magnitude of the output of a system with respect to that of the input – the conditions of operation and measurements must be specified’ (Smith, 1993, et al.) of increasing ... direct result of characteristics of dynamic force displacement between both the workpiece and the cutting insert, all of the various factors of a machining system: machine tool; spindle; tooling; ... utilising tooling with the greatest possible diameter with the minimum of tool overhang By way of a caution concerning chatter frequency, this normally occurs near the most flexible vibrational mode of...

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