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所在平台: Udemy |
课程主页: https://www.udemy.com/course/master-engineering-drawing-part-i/
课程评论：没有评论
课程名称：工程制图第一部分 课程概述：本课程专注于学习技术/工程制图的基本要素。图像胜于千言万语，而动画胜于千图。本课程将帮助学员理解如何通过动画轻松学习。工程制图不仅仅是一个学科，它是一种语言，使工程师跨不同学科进行有效沟通。该课程适用于所有工程学科，如机械、土木、电气和计算机科学。大多数大学将其作为第一年的必修课程。在工程制图第一部分中，我们将深入探讨以下主题： 1. **正投影**：正投影是工程制图中的基本技术，能够准确地将三维物体表示在二维平面上。它通过一系列二维视图，传达物体的形状、大小和特征，强调精确性和清晰性，从而在设计意图传达、分析和复杂结构实现中发挥关键作用。 2. **点的正投影**：这是正投影的最基本应用，将“点”投影到主平面，点可以位于四个象限中的任意一个。学生将在这一章节学习构建这些投影。 3. **锥曲线**：在工程制图中，锥曲线是一组有趣且多功能的曲线，广泛应用于建筑和机械设计等多个领域。它们由圆锥和一个平面的交点产生，能展现美观的形状。锥曲线的研究使工程师能够准确表示曲线，创造美学设计，并解决复杂的几何问题。 4. **摆线**：摆线是由滚动圆的周边上一个点的运动形成的曲线，这些曲线不仅美观，而且具备在工程设计和分析中的功能特性。摆线被广泛应用于齿轮设计中，确保平稳有效的动力传输，同时也用于凸轮设计、钟摆、摆动机制等许多其他控制运动的旋转系统。 5. **虱线**：虱线在齿轮的设计和分析中至关重要，它是通过从齿轮基圆展开一根紧绷的绳子生成的特殊曲线。这种曲线具备理想的齿轮齿轮轮廓特性，确保机械系统中的平滑和有效动力传输。 6. **比例尺**：为了分析微小和巨大物体，图纸上构建比例尺以便直接进行测量。 通过本课程的学习，学生将掌握工程制图的基本技能，并能够有效应用于各类工程项目中。
This course is all about learning the elements of Technical / Engineering Drawing. A picture is worth a thousand words and an animation is worth a thousand pictures. And by the end of this course, you will realize how easy it gets to learn stuff from animations. This is not merely a subject to consume, but it's a language which allows engineers across various disciplines to communicate. This course is relevant across all disciplines of Engineering be it Mechanical, Civil, Electrical or Computer Science. This is a mandatory first year course in most of the universities globally. In Part I of Engineering Drawing, we will be covering the following topics in depth:1. Orthographic Projection: Orthographic projection is a fundamental technique in engineering drawing that allows engineers, designers, and manufacturers to accurately represent three-dimensional objects on a two-dimensional plane. It is a powerful tool that conveys the shape, size, and features of objects through a series of two-dimensional views. With its emphasis on precision and clarity, orthographic projection plays a crucial role in communicating design intent, facilitating analysis, and enabling the realization of complex structures.2. Orthographic Projection of Points: This is the most basic application of Orthographic Projection where in a "POINT" is projected on Principal Planes. The point could be in any of the four quadrants. In this chapter students learn to construct such projections.3. Conic Sections: In the realm of engineering drawing, conic sections are a fascinating and versatile group of curves that find numerous applications in various fields, from architecture to mechanical design. These curves are derived from the intersection of a cone with a plane, resulting in visually appealing and mathematically intriguing shapes. The study and understanding of conic sections enable engineers, designers, and manufacturers to accurately represent curves, create aesthetically pleasing designs, and solve complex geometric problems.4. Cycloidal Curves: These curves are created by the motion of a point on the circumference of a rolling circle. The resulting shapes are not only aesthetically pleasing but also possess functional characteristics that make them valuable in engineering design and analysis. Cycloidal curves find numerous applications in engineering. They are extensively used in gear design to ensure smooth and efficient power transmission. They are also employed in cam design, pendulum clocks, oscillating mechanisms, and many other rotating systems where smooth and controlled motion is crucial.5. Involute: Involute curves play a crucial role in the design and analysis of gears. An involute is a special curve that is generated by unwrapping a taut string from the base circle of a gear. This unique curve possesses properties that make it ideal for gear tooth profiles, ensuring smooth and efficient power transmission in mechanical systems.6. Scales: To analyze miniscule and humungous objects a scale is constructed on the drawing sheet. It helps in directly taking the measurements.
