注塑模具外文翻譯--windows自帶的三維塑料注射模具設(shè)計(jì)系統(tǒng)（英文）

1、Journal of Materials Processing Technology 139 (2003) 81–89A Windows-native 3D plastic injection mold design systemL. Kong, J.Y.H. Fuh?, K.S. Lee, X.L. Liu, L.S. Ling, Y.F. Zhang, A.Y.C. NeeDepartment of Mechanical Engin

2、eering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260, SingaporeAbstract3D solid-modeling revolution has reached the design mainstream. While high-end 3D solid-modeling systems have been on e

3、ngineers’ workstation at large aerospace, consumer products, and automobile companies for years, many smaller companies are now making the switch from workstations to PC. One reason for the shift is that the flexibility

4、and advancement of Windows-native/NT has let software developers create applications that are affordable and easy to use. High-end users are finding that mid-range solid modelers, such as SolidWorks, have met their needs

5、. SolidWorks was chosen as the platform due to the Windows-native design environment, powerful assembly capabilities, ease-of-use, rapid learning curve, and affordable price. A Windows-native 3D plastic injection mold de

6、signs system has been implemented on an NT through interfacing Visual C++ codes with the commercial software, SolidWorks 99 and API. The system provides a designer with an interactive computer-aided design environment, w

7、hich can both speed up the mold design process and facilitate standardization. © 2003 Elsevier Science B.V. All rights reserved.Keywords: Plastic injection mold; Windows; CAD; Parting1. IntroductionWith the broader

8、use of plastics parts in a wide product range, from consumer products to machinery, cars and air- planes, the injection molding process has been recognized as an important manufacturing process. The mold design process i

9、s generally the critical path of a new product de- velopment. Conventionally, mold design has always been a much “mystified” art, requiring years of experience before one can be relatively proficient in it. Due to the in

10、itial diffi- culty in learning this art, less and less people are benefiting from the experience and knowledge of the experts in this field. To change the current situation, one way is to use a computer-aided design (CAD

11、) system. CAD as an everyday term has grown to a broad range of capabilities and has applications in fields ranging from edu- cation for school teaching to three-dimensional mechanical design. At the present time, most C

12、AD systems provide only the geometric modeling functions that facilitate the drafting operations of mold design, and do not provide mold designers with the necessary knowledge to design the molds. Thus, much “add-on” sof

13、tware, e.g. IMOLD®, have been developed on high-level 3D modeling platforms to? Corresponding author. Fax: +65-67791459. E-mail address: mpefuhyh@nus.edu.sg (J.Y.H. Fuh).facilitate the mold design processes. Such an

14、 arrangement is advantageous in many ways. The 3D modeling platform provides plug-in software with a library of functions as well as an established user interface and style of programming. As a result, the development ti

15、me for these “add-ons” is significantly reduced. IMOLD® (intelligent mold design) [1] is a knowledge- based software application, which runs on the Unigraphics SolidWorks platform and is carried out by using the Use

16、r Function provided. It is available on the UNIX and windows operation system. For years, mold design engineers have had to deal with two different systems, UNIX and PC. The former is widely used in engineering applicati

17、ons whilst the latter is used mainly in small and medium companies. Engineers also need to run corporate office applications such as word processing, spreadsheets, and project management tools, but these were not on thei

18、r UNIX workstations. Fortunately, the remarkable development of computer technology in the last decade has provided a way to change this situation. The most significant change has been in the area of computer hardware, i

19、.e. the actual electronic components associated with data processing, information storage, and display technology, in terms of both speed and memory. These have resulted in the more efficient use of the solid-modeling fu

20、nctions in a PC-based CAD/CAM system. With the increased availability of sophisticated, low-cost software for Windows, more and more engineers0924-0136/03/$ – see front matter © 2003 Elsevier Science B.V. All rights

21、 reserved. doi:10.1016/S0924-0136(03)00186-9L. Kong et al. / Journal of Materials Processing Technology 139 (2003) 81–89 83system compared with IMOLD. Users’ applications can be created and run as a standalone exe file o

22、r as a User DLL or Extension DLL in SolidWorks. The SolidWorks Add-In Manager allows users to control which third party software is loaded at any time during their SolidWorks session. More than one package can be loaded

23、at once, and the settings will be maintained across SolidWorks sessions.3.1. SolidWorksSolidWorks recently emerged as one of the 3D product de- sign software for Windows, providing one of the most pow- erful and intuitiv

24、e mechanical design solution in its class. In SolidWorks, parts are created by building a “base feature,” and adding other features such as bosses, cuts, holes, fil- lets, or shells. The base feature may be an extrusion,

25、 revo- lution, swept profile, or loft. To create a base feature, sketch a two-dimensional geometric profile and move the profile through space to create a volume. Geometry can be sketched on construction planes or on pla

26、nar surfaces of parts. Feature-based solid-modeling programs are making two-dimensional design techniques obsolete. However, Unix-based solid-modeling software are expensive. With the introduction of SolidWorks for Micro

27、soft Windows, the cost is less than the price of earlier dimension driven solid-modeling programs [3].3.2. Parasolid as a 3D kernelSolidWorks uses Parasolid as a 3D kernel. Parasolid ker- nel modeling toolkit, is recogni

28、zed as a world’s leading, production-proven core solid modeler. Designed as an exactFig. 2. SolidWorks API objects.boundary-representation solid modeler, Parasolid provides robust solid-modeling, generalized cellular mod

29、eling and in- tegrated surface/sheet modeling capabilities and is designed for easy integration into CAD/CAM/CAE systems to give rapid time to market. Its extensive functionality is supplied as a library of routines with

30、 an object-oriented program- ming interface. It is essentially a solid modeler, which can be used to [4]: (i) build and manipulate solid objects; (ii) calculate mass and moments of inertia, and perform inter- ference det

31、ection; (iii) output the objects in various picto- rial ways; (iv) store the objects in some sort of database or archive and retrieve them later; and (iv) support freeform surfaces.3.3. API [5]The SolidWorks application

32、programming interface (API) is an OLE programming interface to SolidWorks. The API contains hundreds of functions that can be called from Visual Basic, VBA (Excel, Access, etc.), C, C++, or SolidWorks macro files. These

33、functions provide the programmer with direct access to SolidWorks functionality such as creating a line, extruding a boss, or verifying the parameters of a surface. The API interface uses an object-oriented approach. All

34、 the API functions are methods or properties that apply to an object. Fig. 2 is one particular view of the SolidWorks API objects. SolidWorks exposes functionality through OLE automa- tion using Dispatch and also through