Triangulation Short-cut Layouts: A Textbook and Working Guide with Practical and Modern Methods for Laying Out and Forming Patterns Used for Blower-exhaust Systems, Heating and Air Conditioning. Mathematical Formulas Applied to Sheet-metal Work |
Contents
To the Student Plate 1 Dividing Quarter Circles | 1 |
Simple Method for Dividing a Line Into Equal Spaces | 2 |
Dividing Into Four Eight or Sixteen Equal Spaces | 3 |
Copyright | |
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angle arc at point arc crossing base line center crotch line center to draw center to strike circle in Figure circumference Complete the pattern crossing the arc diameter dimensions shown distance from point Draw a line draw an arc draw arcs draw line draw the half ellipse equal spaces FIG.I freehand crotch curve freehand curved line FRONT VIEW FULL PATTERN half bottom view HALF PATTERN height of line intersect line ISOMETRIC VIEW KINK lengths from point line E line from point lines in Figure lines to lay main branch metal miter line obtaining point obtaining the freehand obtaining the slant PATT pattern in Figure point 13 points 9 procedure quarter circle radius point Rectangular-to-Round rivet holes side view slant line slant true-length lines square-to-round strike an arc TOP VIEW Transfer the distance Transfer the height Transfer the lengths Transfer the slant true-length triangle view in Figure VIEW Plate