Sheet Metal Drafting, Prepared in the Extension Division of the University of Wisconsin |
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Other editions - View all
Sheet Metal Drafting: Prepared in the Extension Division of the University ... Ellsworth M. Longfield No preview available - 2017 |
Sheet Metal Drafting: Prepared in the Extension Division of the University ... Ellsworth M. Longfield No preview available - 2015 |
Common terms and phrases
altitude apex apparent miter line arc of stretchout backset bail barrel base line big end body blanks bottom BREAD PAN circle circumference cleat corner correspondingly numbered curved line cylinder developed miter line diameter Double edge double seamed drawing drawn at right drawn from point elbow eleva ELEVATION FIG end blanks end elevation equal spaces Example of Problem extension lines flare front elevation frustum galvanized half-profile Hammer lock handle hoop horizontal line hypotenuse of triangle inches intersections line of stretchout lines are carried lines are drawn lines drawn located lower base measuring lines miter cut notched numbered to correspond oval over-all dimensions perpendicular pump radius equal rectangle rectangular Related Mathematics right angles rivet holes round pipe sheet metal shown in Fig shows single edge slant height solid of revolution straight lines stretchout is drawn surface T-square trapezoid true section upper base WHOLE PATTERN width wire edge
Popular passages
Page 228 - Approximate Thickness In Fractions of an Inch Approximate Thickness In Decimal Parts of an Inch Weight per Square Foot In Ounces Avoirdupois Weight per Square Foot In Pounds Avoirdupois...
Page 16 - ... Post Fig. 59 3. Construct a regular octagon by describing a circle radius 2 in., and in it eight isosceles triangles whose equal sides are radii. Measure the length of one side of the octagon as accurately as possible. Measure also the distance from the centre to the mid-point of one of the sides. If the area of a rectangle is equal to the length multiplied by the breadth, find an approximate answer for the area of the octagon. (Chap. 22) 4. Construct a regular hexagon by a similar method to...
Page 23 - The area of a trapezoid is equal to one-half the sum of the parallel sides multiplied by the altitude.
Page 80 - A convex lens, within its curved surfaces, may be regarded as being made up of an infinite number of...
Page 32 - A circle is a plane figure bounded by a curved line every point of which is the same distance from a point within, called the center. The curved line is called the circumference.
Page 153 - PROBLEM 41. To develop a right cone with a circular base. Analysis. Since the base of the cone is everywhere equally distant from the vertex, as the cone is rolled out, each point of this base will be in the circumference of a circle described with the vertex as a center, and a radius equal to the distance from the vertex to any point of the base. By laying off on this circumference the rectified arc of the base, contained between any two elements, and drawing right lines from the extremities to...
Page 40 - What volume (in cc) is occupied by a block of wood of dimensions 25.0 m * 10.0 cm * 300 mm. All edges are 90° to one another. Solution; Since all of the edges are 90° to one another, one knows that the block is a rectangular solid. The volume of a rectangle...
Page 9 - That is, horizontally aligned dimensions are read from the bottom of the sheet, and vertical dimensions from the right side of the sheet (never from the left).
Page 122 - An arc drawn from the apex as a center, with a radius equal to the distance from the apex to the top of the spout, will complete the pattern.
Page 167 - X 26 = - (0 + 6 + 6) = í (0 + 6+4m). 66 6 Hence, the solidity of either of these bodies is found by adding together the area of the upper base, the area of the lower base, and four times the middle area, and multiplying the sum by one sixth of the altitude. Irregular wedges, or those not half-parallelopipedons, may be measured by the same rule, since they are the sum or difference of a regular wedge and a pyramid of common altitude, and as the rule applies to both these...