International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 12 Issue: 09 | Sep 2025
p-ISSN: 2395-0072
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Surface Modeling of Spur Gear Using Surface Model in SolidWorks Nguyen Thu Huong Hanoi University of Science and Technology, 1 Dai Co Viet, Hai Ba Trung, Hanoi, Vietnam. --------------------------------------------------------------------------***----------------------------------------------------------------------Abstract So far, in teaching the theory and practice of technical graphic exercises, solid models are mainly used. Meanwhile, the design and manufacturing of industrial products are becoming increasingly sophisticated, requiring more complex geometric models. Applying the Surface model in the design of spur gears makes the teaching and practice of mechanical design subjects in engineering schools more intuitive. The application of spur gear module construction also helps students in simulation design in machine design, thereby gradually training high-quality human resources in mechanical engineering. Keywords: Spur gear; SolidWorks; Visual Basic.
1. Surface Modeling Methods 1.1. Surface modeling by extrusion (generatrix) This type of surface is created by extruding a straight or curved edge in a specified direction. The command group used: Extrude Surface (Figure 1).
Figure 1: Extrude a straight
Figure 2: Extrude s curved
1.2. Surface modeling by revolution This surface is created by revolving a straight or curved edge around a specified axis. The command used: Revolved Surface (Figure 2). 1.3. Surface modeling along a path The surface is created by sweeping a straight or curved profile along a path. Profiles can be parallel (Keep Normal Constant) or maintain a constant angle to the path (Follow Path). This surface is created using the Swept Surface command (Figures 3–5).
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