CIVL114 _________ LAB 3: Gauge Block
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Transcript of CIVL114 _________ LAB 3: Gauge Block
CIVL114 _________ LAB 3: Gauge Block
Outline
Page Set-upCreating Layers, setting color & linetypeCommands
Draw Lines Round Corners
Drawing the hidden & Center LinesDimensioning
1 Page Set-up
Limits Set up a boundary for drawing (not essential)
Point Draw a point at the right top corner
Limits limits “enter” “enter” 420,297”enter”
Point Point “enter” 420,297
1 Page Set-up
Zoom all (z – a) zooms out to display the whole drawing
Zoom extents (z – e) To display everything that has been drawn (useful)
Also try z – 0.7x, etc. Grid
Background points for visual reference
Snap Affects point selection but invisible
Zoom all (also try zoom extents) z”enter” a”enter”
Grid Grid”enter”10”enter”
Snap Snap”enter10”enter”
2 Create Layers, Set colour & linetype
New layers Add two layers “ctrline” and “hdnline”
Set color give color to the layer
Linetype Change it to center line or hidden line
New layers Click “format” click “layer properties manager” “new layer” type “ ctrline” “new layer” type “hdnline”
Set color pick “white” (default) select “red” and “green” respectively ok
Linetype Pick “continuous” (default) load center line or hidden line ok select center line or hidden line ok ok
3 Draw Lines
Line
1 32
54 6
Line L “enter” 200,20 ”enter” @50<90 “enter”@50<180 “enter”@26<90 “enter” @50<180 “enter”@76<270 “enter”@100<0 “enter”
4 Round Corners
Fillet To round a corner
Circle
Fillet Fillet “enter” R “enter” 19”enter” pick line A and line B “enter” or fillet pick line E and line F
Circle C “enter” cen “enter” pick lower left arc 9.5 “enter”
5 Draw Lines in Side View
Copy CP or CO
Line L
Copy CP pick line A “enter” pick any point on the screen @25<0 “enter” Cp L “enter” pick any point on the screen @50<0 “enter”
Line L end pick the lower end of line I end pick the lower end of line H “enter”
5. Draw Lines in Side View
OFFSET Creates parallel copies of lines, circles, arcs,
or polylinesEXTEND
Extend a line to a boundary
EXTEND pick the line J “enter”
pick lines G and H “enter
OFFSET Offset “enter” 76 pick
the line I pick any point above I “enter”
OFFSET Offset “enter” 50 pick
the line I pick any point above I “enter”
Line I
Line J
Line H
Line G
6. Draw the hidden & center Lines
Zoom windows Z “enter” w ”enter”
80,0 ”enter”290,110 “enter”
Hidden Lines Pick layer “HDNLINE”
Line (you can switch on OSNAP and click points for QUA, PER, etc) L ”enter” .y ”enter” QUA “enter” pick the top part of circle
end pick either end of line G PER pick the line H “enter” L ”enter” .y ”enter” QUA “enter” pick the lower part of
circle end pick either end of line G PER pick the line H “enter”
6. Draw the hidden & center lines (cont.)
Center Line Pick layer “CTRLINE” L ”enter” .y ”enter” CEN “enter” pick the
circle end pick either end of line G PER pick the line H “enter”
Center Line L “enter” QUA “enter” pick the top part of circle QUA “enter” pick the lower part of circle L “enter” QUA “enter” pick the left part of circle QUA “enter” pick the right part of circle
6. Draw the hidden & center lines (cont.)Scale
SCALE (or click the SCALE icon) “enter” pick center lines in circle
INT (or use OSNAP) pick intersection of the 2 center lines
1.5 “enter” SCALE “enter” pick center lines inside view
MID pick the 2 center lines
1.2 “enter”
7. Dimensioning
Dim (or use the menu) Dim “enter”
dimscale “enter” 18 “enter”
hor ”enter” end ”pick LHS of D”
end ”pick RHS of D”
”move mouse to suitable place & click left button”
“enter”
Others: ver/ra/dia….etc (all available from dimension menu)
8 Modify the dimension style
Change the precision Click “dimension” click “dimension style
manager” click “modify” click “primary units” click “precision” 0