Drafting Technology |
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Page 119
... DRILLED HOLES Six holes in the Gear Case are drilled 3/4 " deep . Holes like these which are drilled into a part but not through it are called " blind holes " . When blind drilled holes are shown on a drawing , an angle is drawn in the ...
... DRILLED HOLES Six holes in the Gear Case are drilled 3/4 " deep . Holes like these which are drilled into a part but not through it are called " blind holes " . When blind drilled holes are shown on a drawing , an angle is drawn in the ...
Page 120
... drilled holes . On this drawing the exact horizontal and vertical dimensions to the center of the four drilled holes are decimals . ASSIGNMENT Make a three - view working drawing of the Gear Case . The front view and the side view are ...
... drilled holes . On this drawing the exact horizontal and vertical dimensions to the center of the four drilled holes are decimals . ASSIGNMENT Make a three - view working drawing of the Gear Case . The front view and the side view are ...
Page 177
... DRILLED THROUGH STARTING TAP PLUG TAP HOLE NOT TAPPED TO BOTTOM BOTTOMING TAP HOLE TAPPED TO BOTTOM HOLE TAPPED THROUGH FIG . 212 TAP DRILL , TAPS AND TAPPED HOLES In the next illustration , the hole is not drilled through and the ...
... DRILLED THROUGH STARTING TAP PLUG TAP HOLE NOT TAPPED TO BOTTOM BOTTOMING TAP HOLE TAPPED TO BOTTOM HOLE TAPPED THROUGH FIG . 212 TAP DRILL , TAPS AND TAPPED HOLES In the next illustration , the hole is not drilled through and the ...
Contents
UNIT | 1 |
Protractor Pencils Erasers | 7 |
WORKING DRAWINGS TWO VIEWS | 26 |
Copyright | |
17 other sections not shown
Common terms and phrases
assembly drawing auxiliary plane auxiliary view axis Check the accuracy circle CITY OR TOWN clamping corners cutting plane line descriptive geometry diameter dimension lines Dimension the views Draw the front Draw the top drawing sheet DRILL ellipse elliptical curves fillets final evaluation finish marks foreshortened front view hole horizontal center line horizontal plane inclined surface Ink the drawing intersection isometric drawing isometric projection knurling left margin line left side view letter the title Locate lower margin line NAME CLASS DATE NAME OF SCHOOL oblique drawing parallel perpendicular perspective drawing pictorial drawing picture plane pipe PROCEDURE FOR DRAWING profile planes projection lines Recheck reference line REVIEW PROBLEMS right margin line right side view SCHOOL CITY screw sectional view sheet and letter shown in Fig sketch surface pattern T-square TAP WRENCH taper three views title strip top and front top view TRANSITION PIECE triangles vanishing point vertical center line vertical plane width