機(jī)械專業(yè)畢業(yè)設(shè)計外文翻譯--工藝規(guī)程制訂-其他專業(yè)-在線瀏覽
2025-03-24 12:29本頁面
【正文】 . What types of equipment and tooling are required to fabricate the parts and assemble the product ? Production planning is concerned with the logistics of making the product .After process planning is concerned with ordering the materials and obtaining the resources required to make the product in sufficient quantities to satisfy demand for it. Process Planning Process planning involves determining the most appropriate manufacturing and assembly processes and the sequence in which they should be acplished to produce a given part or product according to specifications set forth in the product design scope and variety of processes that can be planned are generally limited by the available processing equipment and technological capabilities of the pany of plant .Parts that cannot be made internally must be purchased from outside vendors. It should be mentioned that the choice of processes is also limited by the details of the product is a 2 point we will return to later. Process planning is usually acplished by manufacturing engineers .(Other titles include in industrial engineer.) The process planner must be familiar with the particular manufacturing processes available in the factory and be able to interpret engineering drawings .Based on the planner’s knowledge,skill,and experience ,the processing steps are developed in the most logical sequence to make each part .Following is a list of the many decisions and details usually include within the scope of process planning : .Interpretation of design drawings. The part of product design must be analyzed (materials,dimensions,tolerances ,surface finished,etc.) at the start of the process planning procedure. .Process and sequence. The process planner must select which processes are required and their brief description of processing steps must be prepared. .Equipment selection . In general , process planners must develop plans that utilize existing equipment in the plant .Otherwise ,the ponent must be purchased ,or an investment must be made in new equipment . .Tools ,dies,molds,fixtures,and gages. The process must decide what tooling is required for each processing actual design and fabrication of these tools is usually delegated to a tool design department and tool room ,or an outside vendor specializing in that type of tool is contacted. Methods analysis . Workplace layout ,small tools ,hoists for lifting heavy parts ,even in some cases hand and body motions must be specified for manual operations .The industrial engineering department is usuall
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