具知識管理之頂針、斜銷、入子設計合理化引導流程

以往頂針、斜銷及入子設計者在設計上，常先以人工繪製草圖或製作原形，來表達設計者的設計理念，目前大部分的企業都使用過2D系統，並已解決部分實務問題，未來CAD發展將以3D實體模型為主流，以提高模具精度及降低產品設計變更的機率，更可以結合製造與工程分析，以達到整合性應用發展。本研究利用Pro/ENGINEER視窗下的瀏覽器，規劃及開發出具知識管理之頂針、斜銷、入子設計合理化引導流程。以往工程師在設計頂針、斜銷、入子時，都是以經驗來設計個別的位置、形狀及尺寸，相較於新進人員經驗不足情況，在目前尚無標準的設計流程下，便易產生失誤，造成製作模具及試模時，必須修改這些重要的機構件，使得製造成本的提高及製造時間上的拉長。因此本研究在於建構出一套以Pro/ENGINEER為中心的頂針、斜銷、入子設計合理化引導流程，在合理化設計流程部份，經由標準化流程，引導使用者清楚的規劃出，斜銷及入子所適用之尺寸及機構件成形；在頂針設計部份，斜銷、入子等機構件已設計完畢，使用者同樣經由標準化流程設計，建立水路，再依照頂針設計合理化之規劃值，逐步將各位置之頂針規劃完畢，最後使用組裝自動化流程化的引導，將各形式之頂針快速組入；使用歷史知識庫儲存資訊，提供新進人員對相關設計的概念，使頂針設計過程達到系統化、流程化及模組化。在引導過程中，頂針設計標準化及知識庫的支援，可減少在設計上不必要的錯誤及差異性，並降低開模錯誤與製程開發時間。

關鍵字

CAD/CAM ；頂出系統；頂針設計；射出成型；模具設計；設計引導流程

並列摘要

In the past, people use manual drawing to express their concepts on designing injector pins, lifters and inserts. So far, most companies use 2D systems to solve part of actual problems. The mainstream of developing CAD will be 3D molds in order to advance the accuracy, decrease the rate of altering design. Combining with engineering analysis and process, the development of integrated application can be accomplished. The study uses the browser built in the CAD software, Pro/ENGINEER, to plan and develop a rationalized guiding process of injector pins, angle pins and inserts with knowledge management. Formerly, engineers design specific positions, shapes and sizes of injector pins, angle pins and inserts based on their experience. To some new staffs who are lack of experiences, errors may occur easily without any standard design process. This may cost more time and money in order to alter these important devices in producing molds and performing trials. Therefore, the study is to construct a rationalized guiding process in designing injector pins, angle pins and inserts centered with CAD software, Pro/ENGINEER. The process guides the users to clearly plan the proper sizes of the angle pins and inserts and device forming. In the part of injector pins, the process gives hints, helping the users to select proper diameters and bring it into the injector pin design. In designing injector pin, the devices of angle pin are finished. The users then build up the water path through the standard designing process. Then, the users can follow the rationalized planned value of injector pin design and finish the plan of different injector pins in different positions by steps. Finally, the users can use the guidance of automatic assembly in process to quickly assemble different forms of injector pins. By using the information saved in the database, the new staffs are provided with related design concepts and help the design process of injector pins to be modular, systematized and in process. In the guiding process, the standardization of injector pin design and support of the database can reduce unnecessary errors and differences in design and decrease errors in breaking mold and shorten developing time.

並列關鍵字

Injection molding ； Injector pin design ； (Planning angle pins ； inserts and injector pins) ； CAD/CAM ； Mold design ； Guiding process of design.

參考文獻

[6] Chin, K. S. & Wong, T. N. (1996). Knowledge-based Evaluation for the Conceptual Design Development of Injection Molding Parts. Engineering Application of Artificial Intelligence, 9(4) 359-376.

[7] Turng, L. S., DeAugistine, D. & Taam, B. (1998). A Knowledge Base System for the Design and Manufacture of Injection-Molded Plastic Products. IEEE Information Technology Conference, Syracuse, New York, 95-98.

[9] Jong, W. R., Wu, C. H. & Lee, M. Y. (2009). Web-based Navigating System for Conceptual Mold Design with Knowledge Management. International Journal of Production Research, Accepted.

[10] Parametric Technology Corporation. (2007). Pro/ENGINEER Wildfire 4.0 User's Guide. PTC. USA.

[12] Shen, K., Chen, L. M. & Jiang, L. (1999). Calculation of Ejection Force of Hollow, Thin Walled, and Injection Moulded Cones. Plast. Rubber Compos, 28(7), 341-345.

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具知識管理之頂針、斜銷、入子設計合理化引導流程

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