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  • ITED


    Tenical e-book Drawing

    Drawing of builder

    Willian Eduardo Diaz Rahuex

    5 T O D I B U J O V E S P E R T I N A


    Introduction ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .1 Dimensioning ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 2 Anthropometry ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 3 Instruments ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 4 Bibliography ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 5 Conclucion ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .6


    This book is very important topics such as bounded is

    one of the very important because with them there

    sobesmos field measurements and others did as

    anthropometry because it is what relates to the

    measures of man because with them the measures

    and other furniture to use me in everyday life, acted

    as the level of electricity because it can see the

    strength that is hasi every room or rooms.



    There are different criteria to classify the dimensions of a drawing, here we will consider two basic classifications, and suitable for beginners in technical drawing.

    In terms of their importance

    , The dimensions can be classified into: Dimensions

  • functional (F): These are essential dimensions for the piece to fulfill its function. Dimensions nonfunctional (NF): Those who serve for the full definition of the part, but are not essential for the part to fulfill its funcin.Cotas auxiliary (AUX): Also often called "form". Are the dimensions that give the overall dimensions, exterior and interior of a piece. Are indicated in parentheses. These dimensions are not necessary for the manufacture or testing of parts, and can be deduced from other dimensions.

    Depending on their role in the plan, the dimensions can be classified into: Dimensions of dimension (d): Those that indicate the size of the drawing elements (diameters of holes, width of the piece, etc.).. Dimensions of situation (s): Those that specify the position of the elements of the piece. GENERAL

    Dimensioning is the process of recording, with lines, figures, signs and symbols, through an object on a previous drawing of it, following a series of rules and conventions established by rules. The certificate is the most complex work of technical drawing, and that for a correct dimensioning of a drawing, you need to know not only the dimensioning standards, but also the manufacturing process of the piece, which implies a knowledge of the machine tools used for machining.

  • For a correct dimensioning, it is also necessary to know the role allotted to each drawing, that is whether it will serve to make the piece, to verify the dimensions of the same once made, etc. .. Therefore, here we will give a series of rules and regulations, but will practice and experience that leads us to the exercise of proper dimension. Dimension GENERAL PRINCIPLES In general we can consider that a drawing of a part or mechanism is properly bounded, if the indication of the minimum levels used are sufficient and adequate to enable the manufacture of it. This translates into the following general principles:

    1. One coat only be provided once in a drawing, unless it is necessary to repeat it. 2. It should not be omitted any dimension. 3. The coordinates are placed on the views that most clearly represent the corresponding elements. 4. All drawing dimensions are expressed in the same

  • units, should use another unit, shall be clearly expressed, then the dimension. 5. Not narrow down the size of those forms, resulting from the manufacturing process. 6. The coordinates are placed on the outside of the piece. It is permissible to place them in the interior, provided they do not lose clarity in the drawing. 7. Not bounded on hidden edges, except that this would avoid additional views, or substantially clarify the drawing. This can always be avoided by using sections. 8. The dimensions are distributed, taking into account criteria of order, clarity and aesthetics. 9. Dimensions related. as the diameter and depth of a hole, shall be indicated on the same view. 10. Avoid the need to obtain bounds for sum or difference of others, and which may involve errors in manufacturing. FACTORS INVOLVED IN Quotation In the process of dimensioning a drawing, as well as the number of dimensions, lines and symbols involved, which vary depending on the characteristics of the part

  • and element dimension. All the lines involved in the certificate, shall be made thinner thickness of the series used. The basic elements involved in the certificate are: Dimension lines: lines are parallel to the surface of the workpiece dimension medicin.Cifras object: A number that indicates the magnitude. It puts focus on the dimension line. May be in the middle of the dimension line, breaking it, or about the same, but in the same drawing will end criterio.Smbolo one dimension: dimension lines will be terminated at their ends by a symbol, which may be an arrowhead, a small oblique stroke at 45 or a small circle. Dimension Construction Lines: These lines start drawing perpendicular to the surface to narrow and limit the length of the dimension lines. Protrude slightly from the dimension lines, approximately 2 mm. Exceptionally, as we shall see, can be drawn at 60 with dimension lines. Dimension extension lines: Used to indicate a dimensional value, or an explanatory note on the drawings, by a line connecting the text to the piece. The reference lines, end: At arrow, ending in an outline of the pieza.En a point, ending in the interior of the arrow pieza.Sin no point, when they finish in another lnea.La

  • part of the reference line is labeled don the text is

    drawn parallel to the narrow element, if this is not

    well defined, draw horizontal line or no support for


    Symbols: Sometimes the amount of elevation is

    accompanied by a symbol indicating the piece formal

    features that simplify their marking, and at times can

    reduce the number of views needed to define the

    part. The most common symbols are:


    Anthropometry is a systematized set of technical

    measures that express quantitatively human body

  • dimensions. Anthropometry is often seen as the

    traditional tool, and perhaps basic biological

    anthropology, but has a long tradition of use in

    Physical Education and Sport Sciences, and has found

    increased use in the Biomedical Sciences. The

    purposes of this chapter are to provide an overview of

    anthropometry as a method, to describe a range of

    sizes and various proportions or quotients that are

    relevant to physical activity and sport science; discuss

    issues related to the variability of the measurements

    and Quality control in anthropometry and discuss

    several applications of anthropometry and the

    concept of reference data.

    Keywords: determination of anthropometric, body

    composition, skinfold, fitness



    Body size and proportions, physique and body

    composition are important factors in the physical

    performance and fitness. Historically, height and

    weight, both indicators of overall body size, have

    been used extensively to age and sex to identify some

    optimal combinations of these variables in groups of

  • children, youth and young adults in various types of

    physical activities . Body size, particularly the weight,

    is the standard framework to express the

    physiological parameters (eg., The VO2 max. As

    ml.kg.-1 min. -1), While the thickness of skin folds is

    often used to estimate body composition. It has long

    been used to anthropometry to identify overweight

    and obesity, and to establish the relationship

    between overweight and physical fitness related to

    health, and life expectancy. Therefore,

    anthropometry is essential as it relates to physical

    activity and sport science.



    Anthropometry involves the use of reference body

    markings, carefully defined, the specific positioning of

    the subjects for these measurements, and the use of

    appropriate tools. Measurements can be taken on an

    individual, are almost unlimited in quantity. Generally,

    the measurements are divided into: mass (weight),

    lengths and heights, widths and diameters, depths,

    circumferences or perimeters, curves or arcs, and

    measurements of the soft tissues (skin folds).

  • In addition, numerous special measurements can be

    defined for specific parts of the body, especially your

    head and draw the hand and foot. There is a

    minimum list of accepted measurements that must be

    taken to define a population.

    A key issue is the selection anthropometric measurements.

    This depends on the purpose of the study and the specific

    issues that are under consideration. Therefore, it is

    necessary that before the application of anthropometry is

    made perfectly logical analysis, starting with a clear concept

    of the knowledge sought, and to carry a selection of

    measurements necessary to obtain an acceptable response.

    "Anthropometry is a method and should be treated as such,

    a means to an end not an end in itself." Each measure