The three-dimensional figures normalized representation is performed on the teachings of Drafting, mainly during the school, can be proposed from still images, solid or animated images represent models. Depending on the complexity of the model and the learning phase in which the student is… (leer más)
An interesting piece in 3d mechanical, useful mechanical transmission systems. We will represent it by the standards of technical drawing and select the necessary views for definition.
We continue with 3d mechanical parts, increasingly complex, for implementation by the standards of technical drawing: A normalized representation exercise anchors support for other parts to a bench.
One of the classic problems of representation systems is to find the intersection of two elements, such as determining the intersection point between a line and a plane. Topological nature are problems in which the concepts of belonging prevail.
The problems are based on topological relationships are independent projection type in which they are.
Solution to the thirteenth piece of technical drawing.
They have represented the three main views (plant, elevation and profile) conducting student leaving the new views (not necessary for the representation of the object).
Between the two possible profiles, We used one containing a smaller number of hidden lines.
The paper supports used for the representation of engineering objects have dimensions that are accepted internationally widespread, or what is the same, found “standardized”. ISO 5457 specifies the characteristics of the formats. This standard adopts one or several different designations (can be divided into… (leer más)
Solution to the fourth piece of technical drawing.
They have represented the three main views (plant, elevation and profile) conducting student leaving the new views (not necessary for the representation of the object).
Between the two possible profiles, We used one containing a smaller number of hidden lines.
By projecting a straight line on a plane orthogonal projection, its projection, generally, is smaller than the original measure.
Given a straight (segment bounded by two points) we want to determine its true magnitude and the angle it makes with the planes of projection.
Solution to the third piece of technical drawing.
They have represented the two main views (elevation and profile) leaving the student carrying a plant that completes the third projection (not necessary for the representation of the object).
The main projections on two planes straight dihedral (horizontal and vertical planes) possible to determine other new planes orthogonal projections on.
We'll see how generically determine a new projection from two. Later we will consider your application to study the so-called “auxiliary projections”, influencing their usefulness in solving various problems.
The last years I have had the responsibility of coordinating testing of technical drawing attached to the universities of Madrid and Guadalajara.
Its design has been modified, for a couple of courses, to respond to the current needs, varying the shape measurement of the courses contents and the objectives attained by our students.
Here are some of the most important aspects in this regard are detailed.
Guidelines for the testing of technical drawing II
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