process planning scheduling and flowsheet design

... management, on the other hand, involves project planning and project monitoring and includes such items as: •Project planning •Definition of work requirements •Definition of quantity and quality of work ... an understanding of: •Quantitative tools and techniques •Organizational structures •Organizational behavior Most people understand the quantitative tools for planning, scheduling, and controlling ... management is not designed to be a unity of command methodology It is designed to have shared authority and responsibility between the project and line managers Project managers plan, monitor, and control...

Ngày tải lên: 16/04/2014, 11:11

Ngày tải lên: 04/06/2014, 15:17

... understanding of the relationship and interaction between fixture planning, product design and process planning, i.e., no clear knowledge link between design and manufacturing and no efficient knowledge ... integrated process planning and robust fixture design environment for cast and forged parts, and this integration simultaneously optimizes the product and its manufacturing processes to meet cost and ... product design, machine resource, process planning and managing  To use a hybrid feature-based approach to obtain fixturing features to integrate the process planning and fixture design processes,...

Ngày tải lên: 11/09/2015, 09:16

... integration of design and manufacturing, which uses the above-mentioned three approaches 2.3 Set-up Planning Set-up planning is a function of both process planning and fixture design (Ong and Nee, ... a more reasonable and flexible machining process Ong et al (2002) presented a hybrid generative algorithm and simulated annealing approach for set-up planning and reset-up planning in a dynamic ... of set-up planning in relation to tolerance control in process planning A graphical approach was proposed to generate optimal set-up plans based on design tolerance specifications Wu and Chang...

Ngày tải lên: 11/09/2015, 09:16

... features and machine resource features, are defined to integrate the process planning and robust fixturing design processes Integrative features, in the manufacturing view, represent shapes and technological ... set-up planning, tolerance planning and optimal set-up planning During the preliminary set-up planning stage, each machining feature is assigned certain machine resource based on its TAD and the ... development and therefore can integrate the design and manufacturing feasibly Functional modules are used to represent currently distributed design and manufacturing environment, and to search...

Ngày tải lên: 11/09/2015, 09:16

... used by the downstream processes such as set-up planning and machine resource planning Thus, machining features have sufficient information for the integration of design and manufacturing 65 Chapter ... and H7), four through holes (H1, H2, H3 and H4) and the base plane (P1) The raw part model and the final part model input into the system are modeled on the Inventor platform The models are designed ... linear and three rotary motions of the workpiece along and around the three major axes X, Y and Z as shown in Figure 4.3 Restricting all the degrees involves two primary elements: locators and clamps...

Ngày tải lên: 11/09/2015, 09:16

... Set-up Planning The set-up planning process can be divided into three stages: preliminary set-up planning, tolerance planning and optimal set-up planning During the preliminary setup planning ... Optimal Set-up Planning 5.2 5.2.1 Set-up Planning System Consideration of Design Specifications Set-up planning should satisfy the design specifications, i.e., geometric, dimensional and tolerance ... time and production costs and should be taken into consideration during set-up planning 85 Chapter Optimal Set-up Planning 5.2.2 Consideration of Real-Time Machine Resources For set-up planning, ...

Ngày tải lên: 11/09/2015, 09:16

... and Fleming, 1993), Niched Pareto Genetic Algorithm (NPGA) (Horm et al, 1994), Weight-based Genetic Algorithm (WBGA) (Hajela and Lin, 1992), Random Weighted Genetic Algorithm (RWGA) (Murata and ... Based Genetic Algorithm (RDGA) (Lu and Yen, 2003), and Dynamic Multi-objective Evolutionary Algorithm (DMOEA) (Yen and Lu, 2003) Several survey papers (Fonseca and Fleming, 1993; Coello, 2000; ... three candidate locating surfaces are ranked by decreasing surface areas The first one is assigned as the first locating face, and the second and third ones are assigned as the second and third...

Ngày tải lên: 11/09/2015, 09:16

... Conclusions and Future Works consists of machining features with rich fixturing feature information, which would be the ideal input for the downstream processes such as process planning and fixture design ... time for fixture design and fabrication and eliminate the trial -and- error testing procedures typically used by the tooling engineers 7.1.2 Optimal Set-up Planning The optimal set-up planning approach ... are:  The design specifications and the machining environment are considered in an integrated manner, and a cost model is used to optimize the set-up planning process  Both dimension and position...

Ngày tải lên: 11/09/2015, 09:16

... Algorithm IPPSP Integrated Process Planning and Scheduling Problem xiii IPPS Integrated Process Planning and Scheduling approach JNI Java Native Interface JSSP Job Shop Scheduling Problem JVM Java ... effective integrated process planning and scheduling system to account for the above issues Being part of the integrated system, the models and algorithms in the process planning and scheduling functions ... Research Motivation The problem of integrating the process planning and scheduling owns the following characteristics Firstly, as both process planning and scheduling are NP-hard combinatorial optimization...

Ngày tải lên: 11/09/2015, 10:15

... to further boost the quality of production processes and reduce costs 2.2 Integration of Process Planning and Scheduling Automated process planning and scheduling have been receiving noteworthy ... product design (Bedworth et al., 1991) and the integration of process planning and scheduling, can make the manufacturing process have a better connection with customers and business partners, and ... satisfactory schedules, the integration of process planning and scheduling becomes essential Thus, adopting the idea of integrating process planning and scheduling to improve schedule quality has...

Ngày tải lên: 08/11/2015, 16:30

... Process Planning Problems in an Optimization Perspective 9.2.1 The Process Planning Domain The process planning domain for a CAPP system is defined by the types of parts, machining features, and ... addition, this novel concurrent process planning modelling scheme can provide a flexible base for the integration of process planning and job scheduling Based on the scheduling statistics (e.g., ... accuracy and surface finish The machines used include conventional machines (e.g., horizontal and vertical milling, drilling, and grinding) and CNC machining centers 9.2.2 The Process Planning...

Ngày tải lên: 25/12/2013, 19:15

... activity; identify and describe the main tasks undertaken during process planning; identify and describe the various data used in process planning; identify and describe the main process planning documentation; ... discussed further in Section 2.5 38 Process Planning 2.4 What is process planning? Process planning comprises the selection and sequencing of processes and operations to transform a chosen raw ... documentation; 2.3 Design and manufacture cycle identify the functions involved in product design and manufacture; identify and describe the relationship between process planning and other manufacturing...

Ngày tải lên: 05/03/2014, 19:20

... the design and construction process, even for an experienced hand, is sometimes daunting When dealing with unfamiliar terminology and professionals in the field of architecture, engineering, and ... boards preparing hand-drawn designs, erasers at hand, moving T-squares and plastic triangles to form the shape of their structure Today, the pens and pencils, T-squares, triangles, and erasers have ... architect and advise on constructability issues, material and labor costs, and availability The architect can then review these comments and incorporate the accepted changes in the design, and the...

Ngày tải lên: 07/03/2014, 07:20

... reference design for the Pentium processor in the 478-pin package and the Pentium processor with 512-KB L2 cache on 0.13 micron process Figure 26 and Figure 27 show the motherboard keep-outs and height ... causing the processor to cool down and stay within thermal specifications Various registers and bus signals are available to monitor and control the processor thermal status A thermal solution designed ... Intel reference design for the Pentium processor in the 478-Pin Package (or Pentium processor on 90 nm process ) is using a retention mechanism and clip assembly Refer to Chapter and the document...

Ngày tải lên: 09/03/2014, 00:20

... Hazards Plan, and appropriate hazard-specific Annexes Area Importance of inventory and stockpiling based on the planning process Area Need for both evacuation and sheltering-in-place plans, and for ... facilities, and their organizations for disasters occurring from both natural and man-made causes Recent disasters, planning efforts, and community exercises continue to highlight the planning and exercising ... Human Services (HHS) and The Centers for Disease Control and Prevention (CDC) Long-Term Care and Other Residential Facilities Pandemic InfluenzaPlanning Checklist http://www.pandemicflu.gov/plan/...

Ngày tải lên: 28/03/2014, 20:20

... instrumentation The process design is summarized by a process flowsheet, material and energy balances, and a set of individual equipment specifications Varying degrees of thoroughness of a process design ... the process flowsheet TABLE 2.1 Checklist of Data Normally Included on a Process Flowsheet Process lines, but including only those bypasses essential to an understanding of the process All process ... in terms of material and energy balances and rate processes In this chapter, general background material will be presented relating to complete process design The design of flowsheets will be considered...

Ngày tải lên: 02/04/2014, 16:24

... (Georgakopoulos, Hornick and Sheth, 1995; Bi and Zhao, 2003a, 2003b, 2004a, and 2004b), Object Coordination Nets (Wirtz, Weske, and Giese 2001), and rule-based process modeling (Lee, Kim, and Park, 1999) ... modeling and verification, (2) data usage analysis, (3) formal program verification, (4) workflow design, and (5) process mining 2.1 Workflow Modeling and Verification Workflow modeling and workflow ... business processes A workflow model often consists of elements such as roles, actors, tools/applications, activities and processes, rules, and data/documents (Kumar and Zhao, 1999; Stohr and Zhao,...

Ngày tải lên: 03/06/2014, 01:00

... I, Process and Tools, contains Chapter (Shaping the Built Environment) and Chapter (Visualization of Spatial Information) The first chapter summarizes the site planning and design process and ... site planning and design in the broader context of sustainable planning and development The second chapter addresses the basic principles of mapping and graphic communication in site planning and ... introductory design studios and site inventory/analysis courses in landscape architecture and students in site planning courses in architecture and urban planning These include both graduate and undergraduate...

Ngày tải lên: 12/06/2014, 08:53

... activity; identify and describe the main tasks undertaken during process planning; identify and describe the various data used in process planning; identify and describe the main process planning documentation; ... discussed further in Section 2.5 38 Process Planning 2.4 What is process planning? Process planning comprises the selection and sequencing of processes and operations to transform a chosen raw ... documentation; 2.3 Design and manufacture cycle identify the functions involved in product design and manufacture; identify and describe the relationship between process planning and other manufacturing...

Ngày tải lên: 27/06/2014, 05:20