cad cam in the production system
cadcamcim radhakrishnan subramanyan and raju
... Manufacturing Engineering: Manufacturing Engineering is the activity of carrying out the production of the product, involving further enrichment of the database with performance data and information ... engineering and design of production facilities The pressure to be the first in the market with a new product requires the design to be right from the beginning Therefore in every phase of the ... implemented at the beginning or in the early phase of product development cycle In the case of CE this number goes on decreasing for the remaining period, whereas many changes are now and then incorporated...
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chemical process design computer aided case studies
... distinguished: Main reaction materials, which are involved in the main reaction leading to the target product All or a part of these can be found in secondary products and byproducts in the case ... is given by the ratio between the moles of the target product and the total moles of the primary raw materials (PRM), including all reactants involved in the stoichiometry of the synthesis route ... is the solution of the layers regarding the reaction (R) and the separation (S) systems, including the recycles of reactants and mass-separation agents Process integration deals mainly with the...
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A framework of computer aided short run SPC planning
... making Finishing Roughing Drilling Milling Twist Drilling Face milling Gun Drilling Heat treatment Grinding CNC finishing End milling EDM—die sinking Grinding Counter boring EDM W/CUT Face milling ... finishing and electrode making Roughing Finishing Heat treatment Drilling Milling Twist Drilling Face milling Gun Drilling Grinding CNC finishing End milling EDM W/CUT EDM—die sinking Grinding ... commonly used in finishing operations In the grinding operation, the cutting tool is a grinding wheel that has a different structure and hardness grade In the EDM die-sinking operation, the 37 Chapter...
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công nghệ Computer Aided Engineering (CAE)
... engineering, computer systems that analyze engineering designs Most CAD systems have a CAE component, but there are also independent CAE systems that can analyze designs produced by various CAD ... by various CAD systems CAE systems are able to - simulate a design under a variety of conditions to see if it actually works CAE thuật ngữ viết tắt cụm từ "Computer Aided Engineering" dịch tiếng ... tính dựa thuật tốn FEM v.v 1.2 Sự khác CAD CAE Một ví dụ minh họa cho khác CAD CAE : Những năm trước CAE chưa ứng dụng, phận “nhạy cảm” cản xe sản xuất theo mẫu vẽ sẵn Khơng có điều kiện thử...
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ME-430 Introduction to Computer Aided Design ARM BRACKET - Pro/ENGINEER Wildfire 2.0
... in the graphics window Change the offset values as shown in the figure Horizontal: 10 Vertical: 12.5 This placement references can be verified by clicking the Placement tab Click 12 ADDING THE ... of the round Pick the two vertical edges as shown Click 13 Mirror All the Geometry in a Part Select the part name from the Model Tree Pro/ENGINEER highlights all of the part geometry in the ... button Click the Close button in the References dialog box Click the small forward > icon to expand, and pick Draw a horizontal centerline through coordinate system This centerline is used to...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P4 ppt
... Sequentially pick 1/2 of the samples Sequentially pick 2/3 of the samples All samples The other 1/2 of the samples The other 1/3 of the samples The other 1/2 of the samples The other 1/3 of the samples TABLE ... Vz in the frequency band [64–128] Hz The energy of the vibration Vz in the frequency band [129–264] Hz The energy of the vibration Vz in the frequency band [265–512] Hz The mean of the cutting ... linear equation were estimates In Tests and 5, the samples obtained under certain cutting conditions were used as training samples, while the remaining samples (obtained from different cutting...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P3 ppt
... drawing) is to be machined before the pocket to be used as a reference element during machining the hole and the other features Therefore, the lower slot is the master feature for obtaining the ... a programming term that defines the indivisible part of the list Because tokens may be removed in the order in which they appear in a string, the primary operation will be obtaining the next token, ... a motion pattern that is the combination of the machine tool movements and the cutting tool form used by the machining operation in the machining process [Zhao and Baines, 1992] n Motion Pattern...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P2 pptx
... the delivering of the assorted batch The parts feeding is preset through the shop floor dispatching service The robots perform either the picking of components or their insertion and locking The ... on-process by adapting on-line the behavioural patterns depending on the emerging occurrences Two developments are commented in the following, considering the case leading to the CFC setting with account ... failure of the robot-1 the production of the valve-1 is moved to the section-2 (thus stopping valve-2 processing) The robots perform either the picking of the subcomponents (moving to the proper...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P1 docx
... production systems In particular the FMSs are of increasing importance because they have the capability to face changes in production environment and to combine the efficiency of the mass -production lines ... events represent the in uence of the environment on the system, i.e., they specify the inputs to the model The internal ones arise from the inner system dynamics Events The types of events relevant ... Specifies the transport unit booked by a job j k Specifies the transport unit carrying the job Gives the Cooperating Machines Gives the buffer hosting the job Gives the Job Hosting Machine Defines the...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P8 pptx
... data entry from the training data set Feed the input data of the data entry into the network under training Calculate the network outputs Calculate the error signals between the network outputs ... its input–output values in a multilayer neural network 18.3.2.2 Training of a Neural Network Backpropagation training is the most popular supervised neural network training algorithm The training ... manufacturing and service industries since Shewhart first introduced the concept in the 1920s There have been several improvements on the traditional control charts since then Page (1954) first introduced...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P7 ppt
... network during the learning process (eliminating the undue in uence of differing amplitudes and ranges of the outputs on the training process) TABLE 17.3 MLP Neural Network Training Scheme Training ... This involves dividing the data set into S mutually exclusive subsets, using S – subsets for training the network (as discussed in Section 17.2.1.2) and the remaining subset for testing, repeating ... and α as shown in Equation 17.12) are not large enough to move into a different basin, the quality controller converges to the local minimum in the basin holding the starting point However, it...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P6 ppt
... retrieving the weighted files that resulted from the training and testing 16.4.2 ISRR-FN System The structure of the ISRR-FN, as shown in Figure 16.8, consisted of the sensing system, machining parameters, ... transmitted to the ISRR-FN before or during machining The primary objective was to train the fuzzy system by generating fuzzy rules from input–output pairs, and combining these generated and linguistic ... based on the limitations of the machine and the machining processes They are summarized as follows: The domain intervals of the input–output data pairs were assigned as follows: • Spindle speed:...
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Tài liệu Computer-Aided.Design.Engineering.and.Manufacturing P5 ppt
... TCM These methods have a good solution in the frequency domain but a very bad solution in the time domain, so that they lose some useful information during signal processing In general, they ... fitted sensor system, resulting in a very high cost; in addition, the installation of a force-measuring sensor system is difficult for the present machine tools In recent years, the AE sensing technique ... emerged as the most popular training mechanism The BP method works by measuring the difference between the system output and the observed output value The values being calculated at the output...
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Tài liệu Application of Genetic Algorithms and Simulated Annealing in Process Planning Optimization pptx
... according to the order of these OPTs in string-2 to form the right side of offspring-1 By doing so, the order among the OPTs in both string1 and string-2 is maintained in offspring-1 Offspring-2 ... sequence of the OPTs in the offspring follows the sequence of OPTs in its predecessors, i.e., the original strings The random sequence changes incorporated in the SA algorithm, on the other hand, ... machine is used by any of the remaining OPTs and at the same time the OPT has the selected machine in its alternatives, the selected machine is selected to replace the current machine for the...
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Tài liệu A Computer-Aided ppt
... manufacturing environment The integrated machining system (IMS) begins with the interpretation of a part drawing and transformation of the geometrical data into a frame structure of machining features ... status bar window to monitor the progress of the machining planning tasks A window for the textual explanation of the problem solving procedures Pop-up menus for the data input In addition, there is ... of inserts ; selection of machining conditions ; generation of tool paths ; query of the attempt to fire the rule The inferencing mechanism is fired by backward chaining via the THEN part of the...
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Tài liệu ME-430 INTRODUCTION TO COMPUTER AIDED DESIGNTORSIONAL ANALYSIS Using Pro/MECHANICA Pro/ENGINEER pptx
... at any point in the model then the material is considered to have failed at that point Click the Copy button - in the Result Window, and name it as Fail_index Set the following: Set the Display ... Apply the boundary conditions or constraints on the left and right holes of U-Joint Insert -> Displacement Constraints or click on window appears the Constraint 10 Enter the name of the constraint ... the radius of the round is 0.2 inch Make the following cut on the cylinder Round the bottom of the cut with R = 0.05 inch Change the units to IPS (inches-pounds-seconds) by selecting Edit -> Setup...
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Tài liệu Thí nghiệm CAD (Computer-Aided Design) ppt
... không bắt buộc sinh viên Tin học (nếu có) sinh viên Điện tử theo hướng Viễn thông Trong trường hợp đó, sinh viên thực tập sinh viên chuyển sang © TcAD - 2003 38 Giáo trình thí nghiệm CAD III.1 Hàm ... Symbolic thì: int(S) tích phân không xác định S theo biến (muốn biết biến ta dùng hàm findsym) int(S,v) tích phân không xác định S theo v int(S,a,b) tích phân xác định S cận [a,b] int(S,v,a,b) ... so sinh vien Dien tu – Tin hoc tot nghiep % Khoa Cong nghe Thong tin, Dai hoc Can tho, tu 1996-2001 % svdt=[38 33 36 31 60 70]; % sinh vien Dien tu svth=[48 54 120 92 110 131]; %sinh vien Tin...
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Tài liệu COMPUTER-AIDED DESIGN P1 ppt
... defined by the capabilities of the manufacturing process Anything that will influence the engineer in choosing design features must be included in the definition of the problem Careful planning ... was the primary rationale for investing in a CAD system Drafting conventions, including but not limited to dimensioning, crosshatching, scaling of the design, and enlarged views of parts or other ... without losing a print Other sensors eliminate printing voids and unwanted marks caused by bubbles in the ink lines Special print modes typically handle high-resolution printing by repeatedly going...
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Tài liệu COMPUTER-AIDED DESIGN P2 docx
... work in constructing the 3D geometry In CAD solid-modeling software, there are various approaches that define the way in which the user creates the model Since the introduction of solid-modeling ... the center Then the line extending away from the center would define the radius Often the software will show the shape changing size as the line lengthens or shortens When the radial line corresponds ... corresponds to the circle of desired size, the second point is defined The coordinates of the two defined points give the variables needed for the program to draw the circle The center is given by the coordinates...
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Tài liệu A systematic computer-aided approach to cooling system optimal design in plastic injection molding docx
... Moreover, the main interest in the mold cooling analysis is to calculate the temperature and flux on the mold cavity wall In using BEM, less unwanted information about internal points is obtained Therefore, ... distribution over the element e Ci, Ti are the coefficient and temperature at node i By introducing shape functions and evaluating the integration constants in Eq (8), one obtains the following system of ... constrained problems, the interior penalty function method is applied so that the subsequent points generated will always lie within the feasible domain during the minimization process The iterative...
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