Machine design
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This modeling is performed on an experimental data set of complexes, where the metal ions of these complexes include transition ion metals and lanthanide ion metals. We use these models to develop a series of new thiosemicarbazone and their complexes; simultaneously, the complexes are worked out the stability constants from the novel models.
9p dianmotminh02 03-05-2024 6 2 Download
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Bài giảng "Hệ thống sản xuất" Chương 6 Hệ thống sản xuất kỹ thuật nhóm, cung cấp cho người học những kiến thức như tổng quan về sản xuất kỹ thuật nhóm; Họ chi tiết (part families); Phân loại và mã hóa chi tiết; Phân tích dòng quá trình (production flow analysis – PFA); Bố trí nhóm máy (machine cell design);...Mời các bạn cùng tham khảo!
25p khanhchi2520 20-04-2024 11 3 Download
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The effect of machining parameters on the surface roughness in dry-turning Ti6Al4V alloy using an experimental design method was investigated. A mathematical equation based on the response surface methodology was established to fully understand the influence of machining parameters (cutting speed, feed rate, and depth of cut) on the surface roughness.
9p viwarmachine 01-07-2023 11 3 Download
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This thesis presents the following contributions. First, it is identified that disturbance estimation based networks utilised for compensation possess the same polynomial architectures as signal conditioning anti-windup and their equivalents. Next, an appropriate strategy is identified to integrate disturbance compensation for finite-controlset optimisation schemes via the constraint set rather than the cost function to maintain a simple and elegant problem structure.
208p runordie3 06-07-2022 9 2 Download
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Induction machines are widely used in many industries due to their robustness, ruggedness and easy maintenance feature. Due to the addition of power electronics devices and the complexity involved in the design of induction machines, their study and analysis can be very difficult.
13p lucastanguyen 01-06-2020 18 2 Download
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Having highlighted areas of possible applications of human powered machines, the aim of this work is to design a manually operated blender which has an efficient operation.
7p lucastanguyen 01-06-2020 8 1 Download
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In this paper, the impact of machine failures on production lines in a closed-loop supply chain systems is examined. For this purpose, a new method is proposed for scheduling manufacturing workshops in a supply chain systems.
24p tocectocec 24-05-2020 14 1 Download
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A state of the art instrumented Drop Weight Impact Tester Machine was developed in Iran University of Science and Technology which measures the energy absorption of composite materials under impact load.
8p tohitohi 19-05-2020 17 0 Download
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To provide high shunt impendence with low power losses, an 81.25 MHz continuous wave (CW) radio frequency quadrupole (RFQ) accelerator has been designed and machined as parts of the Low Energy Accelerator Facility (LEAF). In this paper, the mechanical structure and the main processing technology of the RFQ cavities are described according to the physical and geometric parameters requirements of the RFQ. The fabrication of the RFQ has been completed and the test results agree well with the design requirements.
5p minhxaminhyeu3 12-06-2019 12 0 Download
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Đề tài đã tiến hành nghiên cứu, tính toán, thiết kế và lựa chọn ý tưởng khả thi nhất để tiến hành chế tạo thử nghiệm "Máy gọt vỏ Dừa Tươi" với mức giá phù hợp (dưới 6 triệu đồng) với đối tượng khách hàng là các hộ gia đình và các cửa hàng buôn bán Dừa Tươi mà vẫn đáp ứng được các yêu cầu về: an toàn thực phẩm, tiết kiệm, an toàn lao động, tăng tính hấp dẫn cho Dừa, tăng năng suất gọt Dừa và giảm thời gian chờ đợi của khách hàng. Mời các bạn cùng tham khảo.
7p nnsonht 29-03-2017 161 30 Download
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(BQ) In this research work two different materials have been used as work pieces. These EN8 and D3 steel materials have been machined in an Electrical discharge machine which has wide application in Industry fields. The important process parameters that have been selected are peak current, pulse on time, die electric pressure and tool diameter. The outputs responses are material removal rate (MRR), tool wear rate (TWR) and surface roughness (SR).
11p xuanphuongdhts 27-03-2017 47 2 Download
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(BQ) In this paper, working current, working voltage, oil pressure, spark gap Pulse On Time and Pulse Off Time on Material Removal Rate (MRR) and Surface Finish (Ra) has been studied. Empirical models for MRR and Ra have been developed by conducting a designed experiment based on the Grey Relational Analysis. Genetic Algorithm (GA) based multi-objective optimization for maximization of MRR and minimization of Ra has been done by using the developed empirical models. Optimization results have been used for identifying the machining conditions.
10p xuanphuongdhts 27-03-2017 41 2 Download
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(BQ) In this paper, attempts have been made to model and optimize process parameters in Electro-Discharge Machining (EDM) of tungsten carbide-cobalt composite (Iso grade: K10) using cylindrical copper tool electrodes in planing machining mode based on statistical techniques.
6p xuanphuongdhts 27-03-2017 33 1 Download
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(BQ) This study was made only for the finish stages and has been carried out on the influence of five design factors: intensity supplied by the generator of the EDM machine (I), pulse time (ti), duty cycle (η), open-circuit voltage (U) and dielectric flushing pressure (P), over the two previously mentioned response variables. This has been done by means of the technique of design of experiments (DOE), which allows us to carry out the above-mentioned analysis performing a relatively small number of experiments.
8p xuanphuongdhts 27-03-2017 53 1 Download
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(BQ) The paper describes the application of the fuzzy logic analysis coupled with Taguchi methods to optimise the precision and accuracy of the high-speed electrical discharge machining (EDM) process. A fuzzy logic system is used to investigate relationships between the machining precision and accuracy for determining the efficiency of each parameter design of the Taguchi dynamic experiments.
10p xuanphuongdhts 27-03-2017 53 2 Download
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Effect and Optimization of Machine Process Parameters on MRR for EN19 & EN41 materials using Taguchi
(BQ) The present work deals with the comparison of the MRR for EN19 and EN41 material in a die sinking EDM machine. The various input factors like Pulse ON time, Pulse OFF time, Discharge current and voltage were considered as the input processing parameters, while the MRR is considered as the output. Optimization using Taguchi method was performed to predict the best combination of inputs towards maximum output.
7p xuanphuongdhts 27-03-2017 35 2 Download
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(BQ) The newly engineered metal matrix composite (MMC) of aluminium 7075 reinforced with 10 wt% of B4C particles were prepared by stir casting method. Experiments were carried out by adopting face centered central composite design of response surface methodology.
6p xuanphuongdhts 27-03-2017 39 3 Download
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Calculating maximum clock, improving design performance, finite state machine with datapath design, embedded memory usage in finite state machine with datapath designs,... As the main contents of the document "Finite State Machine Datapath Design, Optimization, and Implementation". Invite you to consult.
123p thangdambme 23-10-2015 53 4 Download
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Hiệp hội kỹ sư chế tạo hệ thống tự động và máy tính (CASA/SME = Computer and Autonmated Systems Association/Society for Manufacturring Engineers) định định nghia “CIM là một hệ thống sản xuất tích hợp và truyền thông với triết lý quản lý mới cho phép cải thiện tổ chức và quản lý nhân sự một cách hiệu quả” im Cim khoâng phaûi laø saûn phaåm coù theå mua vaø caøi ñaët. Noù laø caùch suy nghó vaø giaûi quyeát vaán ñeà .
29p online_12 08-11-2013 104 19 Download
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PowerDesigner là môi trường mô hình hóa tổng thể doanh nghiệp dưới dạng đồ họa và dễ dàng sử dụng. Nó cung cấp: Việc mô hình hóa được tích hợp thông qua các phương pháp và các ký hiệu chuẩn. o Data (E/R, Merise) o Business (BPMN, BPEL, ebXML) o Application (UML) Phát sinh code tự động thông qua các template có thể tùy chỉnh được o SQL (with more than 50 supported DBMSs) o Java o .NET
22p khanh101613 19-06-2013 261 13 Download