Post on 04-Jan-2016
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt1
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
Bruce Mayer, PELicensed Electrical & Mechanical Engineer
BMayer@ChabotCollege.edu
Engineering 22
SurfaceSurfaceModeling Modeling
- 2- 2
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt2
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
Learning GoalsLearning Goals
Use AutoCAD Built-In Commands to make “Primitive” 3D Surface-Shapes• Box, Sphere, Cone, Pyramid, others
Draw Surface of Revolution using a Shape & Axis
Connect two Shapes with Straight Lines to Make “Ruled” Surfaces
Build Complex 3D Shapes by Adding & Subtracting Primitives
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt3
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
Recall - Invoke Surface-ShapesRecall - Invoke Surface-Shapes
SurfacesToolBar
Or Command Line• ai_XXX
– XXX = box, wedge, pyramid, cone, etc.
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt4
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-4 → Connected BoxesEX15-4 → Connected Boxes Game Plan
• Use Surface-Box & WCS to Make Box-a
• Move UCS to Top of Box-a, and Build Box-b
• Use 3D-Orbit Command to obtain better 3D view
• Move UCS in TWO steps to “front” of Box-b
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt5
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-4 Game Plan EX15-4 Game Plan • Use Xline and Offset
to move-down the UCS on “front” of Box-b
• Draw Box-c using the Surface-Box Command
• Use 3D-Orbit to obtain the Final “Tilted” view similar to that shown in TextBook
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt6
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-4 Final ResultEX15-4 Final Result
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt7
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16EX15-16
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt8
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16 Game PlanEX15-16 Game Plan In WCS Draw
Arched Base using Rect, Arc, Circle
Explode Rect Use Properties
Menu to Change thickness to 13
Move UCS to “Lower Rt” corner of Arched Base
Use “new” UCS command with “3Point” Option to reorient Z-Axis
Set Thickness to 13 Draw Vertical Box Locate Circle Center
with Xlines Draw Ø16 Circle
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt9
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16 – Final ResultEX15-16 – Final Result
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt10
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22EX15-22 Game Plan
• Draw Front Form in WCS with Thickness = 40
• Move UCS and Draw Ø24 Peg with Thickness = 18
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt11
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22 Game PlaneEX15-22 Game Plane• Move and Rotate
UCS to Draw Ø40 SemiCircular Pedestal with Thickness of 8
• Move UCS to To “Top-Ctr” of Ø40 Pedestal
• Draw SemiCircular Prism with Thickness of 40
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt12
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22 Final ResultEX15-22 Final Result
Hide OFF Hide ON
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt13
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
All Done for TodayAll Done for Today
SurfaceModelin 3D
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt14
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
Bruce Mayer, PELicensed Electrical & Mechanical Engineer
BMayer@ChabotCollege.edu
Engr/Math/Physics 25
AppendiAppendixx
6972 23 xxxxf
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt15
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-4.1EX15-4.1Command: _ai_boxInitializing... 3D Objects loaded.Specify corner point of box: <Snap on>Specify length of box: 6Specify width of box or [Cube]: 5Specify height of box: 2Specify rotation angle of box about the Z axis or [Reference]:
Command:Command: _-view Enter an option [?/Categorize/lAyer state/Orthographic/Delete/Restore/Save/Ucs/Window]: _swiso
Make Blue Obj Layer
Box in WCS
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt16
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-4.2EX15-4.2 Command: ucsCurrent ucs name: *WORLD*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: m
Specify new origin point or [Zdepth]<0,0,0>:
Command: _ai_boxSpecify corner point of box:Specify length of box: 4Specify width of box or [Cube]: cSpecify rotation angle of box about the Z axis or [Reference]:
Command: _vpoint*** Switching to the WCS ***Current view direction: VIEWDIR=-1.0000,-1.0000,1.0000Specify a view point or [Rotate] <display compass and tripod>:
Move UCS with Mouse & OSnap;
Make New Box as cube
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt17
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-4.3EX15-4.3
Move Up & Over with Mouse & OSnap Move w/ Zdepth
Command: ucsCurrent ucs name: *NO NAME*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: mSpecify new origin point or [Zdepth]<0,0,0>:
Command: ucsCurrent ucs name: *NO NAME*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: mSpecify new origin point or [Zdepth]<0,0,0>: zSpecify Zdepth<0>: -1
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt18
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-4.4EX15-4.4 Command: ai_boxSpecify corner point of box:Specify length of box: 5Specify width of box or [Cube]: 2Specify height of box: 1Specify rotation angle of box about the Z axis or [Reference]:
Command: '_3dorbit Press ESC or ENTER to exit, or right-click to display shortcut-menu.Regenerating model.
Command: ucsCurrent ucs name: *NO NAME*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: mSpecify new origin point or [Zdepth]<0,0,0>:
Make Last Box Rotate View with 3D
Orbit
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt19
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.1EX15-16.1
Make the Base in WCS
Need to Explode Rect and Remove line thru Circle
Command: rectangleSpecify first corner point or [Chamfer/Elevation/Fillet/Thickness/Width]: <Snap on>Specify other corner point or [Area/Dimensions/Rotation]: @35,30
Command: _arc Specify start point of arc or [Center]:Specify second point of arc or [Center/End]: _c Specify center point of arc: midofSpecify end point of arc or [Angle/chord Length]:
Command: cCIRCLE Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: midofSpecify radius of circle or [Diameter]: dSpecify diameter of circle: 13
Command: _-view Enter an option [?/Categorize/lAyer state/Orthographic/Delete/Restore/Save/Ucs/Window]: _seiso Regenerating model.Command:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt20
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.2EX15-16.2
Command: explodeSelect objects: 1 foundSelect objects:
Command: eERASESelect objects: 1 foundSelect objects:
Command: <Snap off>Command:Command:Command:Command:Command:Command:Command:Command: _propertiesCommand:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt21
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.3EX15-16.3
Move UCS With Mouse-Pick
Command:
Rotate UCS Axes with • NEW
• 3Point Option
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt22
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.4EX15-16.4Command: ucsCurrent ucs name: *WORLD*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: mSpecify new origin point or [Zdepth]<0,0,0>:
Command: ucsCurrent ucs name: *NO NAME*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: nSpecify origin of new UCS or [ZAxis/3point/OBject/Face/View/X/Y/Z] <0,0,0>: 3point
Specify new origin point <0,0,0>:Specify point on positive portion of X-axis <1.0000,0.0000,0.0000>: neatoSpecify point on positive-Y portion of the UCS XY plane <0.0000,-1.0000,0.0000>:Command: Specify opposite corner: *Cancel*
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt23
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.5EX15-16.5
Set Thickness to 13
Draw Side-Box using Xline and Line
Command: thicknessEnter new value for THICKNESS <0.0000>: 13
Command: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]:Specify through point:Specify through point:
Command:XLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]:Specify through point: neatoSpecify through point:
Command:XLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: o
Specify offset distance or [Through] <Through>: 37
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt24
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.6EX15-16.6
Set Thickness to 13
Draw Side-Box using Xline and Line
Select a line object:Specify side to offset:Select a line object:Specify side to offset: *Cancel*
Command:XLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: o
Specify offset distance or [Through] <37.0000>: 30
Select a line object:Specify side to offset:Select a line object:
Command: lLINE Specify first point:Specify next point or [Undo]:Specify next point or [Undo]:Specify next point or [Close/Undo]:Specify next point or [Close/Undo]:Specify next point or [Close/Undo]: *Cancel*
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt25
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.7EX15-16.7
Locate Circle Ctr with XLines
Draw Circle
Command: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: oSpecify offset distance or [Through] <37.0000>: 12Select a line object:Specify side to offset:Select a line object:Specify side to offset: *Cancel*
Command: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: oSpecify offset distance or [Through] <12.0000>: 15Select a line object:Specify side to offset:Select a line object: *Cancel*
Command: cCIRCLE Specify center point for circle or [3P/2P/Ttr (tan tan radius)]:Specify radius of circle or [Diameter] <6.5000>: dSpecify diameter of circle <13.0000>: 16
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt26
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-16.8 – Final ResultEX15-16.8 – Final Result
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt27
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.1EX15-22.1
Base Form in WCS• Xline
• Line
• Circle & Arc
Command: limitsReset Model space limits:Specify lower left corner or [ON/OFF] <0.0000,0.0000>:Specify upper right corner <420.0000,297.0000>: 297,210
Command: '_layerCommand: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]:Specify through point: <Ortho on>Specify through point:
Command:XLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]:Specify through point:Specify through point:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt28
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.2EX15-22.2Command:XLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: oSpecify offset distance or [Through] <Through>: 70Select a line object:Specify side to offset:Select a line object:
Command:XLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: oSpecify offset distance or [Through] <70.0000>: 60Select a line object:Specify side to offset:Select a line object:Specify side to offset:
Command:XLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: oSpecify offset distance or [Through] <60.0000>: 35Select a line object:Specify side to offset:Select a line object:Specify side to offset:Select a line object:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt29
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.3EX15-22.3Command: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: oSpecify offset distance or [Through] <35.0000>: 10Select a line object:Specify side to offset:Select a line object: *Cancel*
Command: lLINE Specify first point:Specify next point or [Undo]:Specify next point or [Undo]:Specify next point or [Close/Undo]:Specify next point or [Close/Undo]:Specify next point or [Close/Undo]: *Cancel*
Command: lLINE Specify first point:Specify next point or [Undo]:Specify next point or [Undo]:Specify next point or [Close/Undo]:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt30
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.4EX15-22.4Command: cCIRCLE Specify center point for circle or [3P/2P/Ttr (tan tan radius)]:Specify radius of circle or [Diameter]: dSpecify diameter of circle: 10
Command: arcSpecify start point of arc or [Center]:Specify second point of arc or [Center/End]:Specify end point of arc:Command:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt31
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.5EX15-22.5Command: _-view Enter an option [?/Categorize/lAyer state/Orthographic/Delete/Restore/Save/Ucs/Window]: _swiso Regenerating model.
Command: trTRIMView is not plan to UCS. Command results may not be obvious.Current settings: Projection=UCS, Edge=NoneSelect cutting edges ...Select objects or <select all>: 1 foundSelect objects:Select object to trim or shift-select to extend or[Fence/Crossing/Project/Edge/eRase/Undo]:Select object to trim or shift-select to extend or[Fence/Crossing/Project/Edge/eRase/Undo]: *Cancel*
Command: <Snap off>Command: Specify opposite corner:Command:Command:Command:Command:Command:Command: _propertiesCommand
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt32
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.6EX15-22.6
Draw Ø24 Knob• Xline
• Thickness = -18
• Circle
Command: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: cenofSpecify through point: midofSpecify through point:
Command: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]: oSpecify offset distance or [Through] <10.0000>: 30Select a line object:Specify side to offset:Select a line object: *Cancel*
Command: ThicknessEnter new value for THICKNESS <0.0000>: -18
Command: cCIRCLE Specify center point for circle or [3P/2P/Ttr (tan tan radius)]:Specify radius of circle or [Diameter] <5.0000>: dSpecify diameter of circle <10.0000>: 24
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt33
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.7EX15-22.7
3D Orbit to Obtain Good View
Move UCS to make SemiCirc Prisms
Command: ucsCurrent ucs name: *WORLD*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: nSpecify origin of new UCS or [ZAxis/3point/OBject/Face/View/X/Y/Z] <0,0,0>: xSpecify rotation angle about X axis <90>: -90
Command:UCSCurrent ucs name: *NO NAME*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: mSpecify new origin point or [Zdepth]<0,0,0>: midofCommand:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt34
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.8EX15-22.8
Make Pedestal Base with Circle, Thickness = 8, Arc
Command: thicknessEnter new value for THICKNESS <-18.0000>: 0
Command: cCIRCLE Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: midofSpecify radius of circle or [Diameter] <12.0000>: dSpecify diameter of circle <24.0000>: 40
Command: xlXLINE Specify a point or [Hor/Ver/Ang/Bisect/Offset]:Specify through point:Specify through point:
Command: thicknessEnter new value for THICKNESS <0.0000>: 8
Command: arcSpecify start point of arc or [Center]:Specify second point of arc or [Center/End]: cSpecify center point of arc: midofSpecify end point of arc or [Angle/chord Length]:Command: *Cancel*
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt35
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.9EX15-22.9
Make SemiCirc Prism• Move UCS
• Thickness = 40
• Circle & Arc
Command: ucsCurrent ucs name: *NO NAME*Enter an option [New/Move/orthoGraphic/Prev/Restore/Save/Del/Apply/?/World] <World>: mSpecify new origin point or [Zdepth]<0,0,0>: midof
Command: cCIRCLE Specify center point for circle or [3P/2P/Ttr (tan tan radius)]: midofSpecify radius of circle or [Diameter] <20.0000>: dSpecify diameter of circle <40.0000>: 28
Command: ThicknessEnter new value for THICKNESS <0.0000>: 40
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt36
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics
EX15-22.10EX15-22.10
Make SemiCirc Prism• Move UCS
• Thickness = 40
• Circle & Arc
Command: arcSpecify start point of arc or [Center]:Specify second point of arc or [Center/End]: cSpecify center point of arc: midofSpecify end point of arc or [Angle/chord Length]:Command:ARC Specify start point of arc or [Center]:Specify end point of arc: *Cancel*
Enter new value for THICKNESS <40.0000>: 0
Command: lLINE Specify first point:Specify next point or [Undo]:Specify next point or [Undo]:
BMayer@ChabotCollege.edu • ENGR-22_Lec-27_SurfaceModel-2.ppt37
Bruce Mayer, PE Engineering 22 – Engineering Design Graphics