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ba3d7cdfbb
Two new sample scripts added, modeling classic shapes from used for comparing modeling systems in 1979 and again in 1983 by Computer Aided Manufacturing International (CAM-I).
284 lines
9.3 KiB
Tcl
284 lines
9.3 KiB
Tcl
# The following example constructs ANC-101 object of CAM-I.
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#
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# This model was used as a test part for comparing modeling systems in 1979 and
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# again in 1983. The tests were organized by Computer Aided Manufacturing
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# International (CAM-I).
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#
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#Category: Modeling
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#Title: ANC101 (classic test for CAD modeling from CAM-I)
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pload MODELING
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set my_pi 3.1415926535897931
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set aModelHeight 178.25
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set aPlatformLength 426.25
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set aPlatformWidth 201.5
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set aPlatformHeight 58.9
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set aPrismLength 279
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set aPrismWidth 155
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set aPrismHeight [expr $aModelHeight - $aPlatformHeight]
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set aPrismXOffset [expr $aPlatformLength - $aPrismLength - 69.75]
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set aPrismYOffset [expr ($aPlatformWidth - $aPrismWidth)/2]
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#================================================================================
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# A base of the model
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box _platform $aPlatformLength $aPlatformWidth $aPlatformHeight
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# Make screw holes on the platform
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set aScrewHoleRadius [expr 26.2/2]
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set aScrewHoleOffset 31
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pcylinder _screwhole $aScrewHoleRadius $aPlatformHeight
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ttranslate _screwhole $aScrewHoleOffset $aScrewHoleOffset 0
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bcut _platform _platform _screwhole
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reset _screwhole
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ttranslate _screwhole [expr $aPlatformLength - $aScrewHoleOffset] $aScrewHoleOffset 0
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bcut _platform _platform _screwhole
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reset _screwhole
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ttranslate _screwhole [expr $aPlatformLength - $aScrewHoleOffset] [expr $aPlatformWidth - $aScrewHoleOffset] 0
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bcut _platform _platform _screwhole
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reset _screwhole
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ttranslate _screwhole $aScrewHoleOffset [expr $aPlatformWidth - $aScrewHoleOffset] 0
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bcut _platform _platform _screwhole
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reset _screwhole
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# Back side cave
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set aCaveLength 81.38
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set aCaveDepth 10
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set aCaveWidth 19.38
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set aBottomLevel [expr $aPlatformHeight/2 - $aCaveWidth/2]
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set aTopLevel [expr $aPlatformHeight/2 + $aCaveWidth/2]
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beziercurve t_bcurve 4 0 $aCaveLength $aBottomLevel 3 0 [expr $aCaveLength + $aCaveWidth/2] $aBottomLevel 6 0 [expr $aCaveLength + $aCaveWidth/2] $aTopLevel 6 0 $aCaveLength $aTopLevel 3
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vertex t_v1 0 $aCaveLength $aBottomLevel
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vertex t_v2 0 $aCaveLength $aTopLevel
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mkedge t_e1 t_bcurve
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edge t_e2 t_v1 t_v2
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wire t_w t_e1 t_e2
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mkplane t_f1 t_w
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prism t_s1 t_f1 $aCaveDepth 0 0
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box t_s2 0 0 $aBottomLevel $aCaveDepth $aCaveLength $aCaveWidth
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bfuse _backcave t_s1 t_s2
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bcut _platform _platform _backcave
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# Right side cave
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set aRCaveRadius 26.2
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set aRCaveDistToSection 15.5
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set aCurveParam [expr ($my_pi - acos($aRCaveDistToSection/$aRCaveRadius))]
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set aRCaveCenterX [expr $aPlatformLength - 162.75]
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set aRCaveCenterZ [expr $aPlatformHeight/2]
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circle t_circle $aRCaveCenterX 0 $aRCaveCenterZ 0 1 0 1 0 0 $aRCaveRadius
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trim t_curve t_circle -$aCurveParam $aCurveParam
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mkedge t_e1 t_curve
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cvalue t_curve -$aCurveParam t_x t_y t_z
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vertex t_v1 t_x t_y t_z
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cvalue t_curve $aCurveParam t_x t_y t_z
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vertex t_v2 t_x t_y t_z
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edge t_e2 t_v1 t_v2
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wire t_w t_e1 t_e2
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mkplane t_f t_w
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prism t_s t_f 0 $aCaveDepth 0
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bcut _platform _platform t_s
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# Caves on front side
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set aFCaveCirclesRadius 4.65
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set aFCaveBottomWidth 37.8
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set aFCaveHeight 38.75
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set aFCaveTopWidth 27
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set aFCaveSmallCircleRadius 9.3
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circle t_circle1 [expr $aFCaveTopWidth/2] [expr $aFCaveHeight/2] $aFCaveCirclesRadius
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circle t_circle2 [expr -$aFCaveTopWidth/2] [expr $aFCaveHeight/2] $aFCaveCirclesRadius
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circle t_circle3 [expr -$aFCaveBottomWidth/2] [expr -$aFCaveHeight/2] $aFCaveCirclesRadius
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circle t_circle4 [expr $aFCaveBottomWidth/2] [expr -$aFCaveHeight/2] $aFCaveCirclesRadius
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lintan t_l t_circle1 t_circle2
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trim t_side1 t_l_1 0 $aFCaveTopWidth
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lintan t_l t_circle2 t_circle3
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trim t_side2 t_l_1 0 39.058577803089555
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lintan t_l t_circle3 t_circle4
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trim t_side3 t_l_1 0 $aFCaveBottomWidth
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lintan t_l t_circle4 t_circle1
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trim t_side4 t_l_1 0 39.196587861700415
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trim t_circle1 t_circle1 0.15109758878146562 1.5707963267948966
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trim t_circle2 t_circle2 1.5707963267948966 3.0158086349284448
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trim t_circle3 t_circle3 3.0158086349284448 4.7123889803846897
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trim t_circle4 t_circle4 4.7123889803846897 0.15109758878146562
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plane t_plane 0 0 0 1 0 0 0 1 0
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to3d t_circle1 t_circle1 t_plane
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to3d t_circle2 t_circle2 t_plane
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to3d t_circle3 t_circle3 t_plane
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to3d t_circle4 t_circle4 t_plane
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to3d t_side1 t_side1 t_plane
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to3d t_side2 t_side2 t_plane
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to3d t_side3 t_side3 t_plane
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to3d t_side4 t_side4 t_plane
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mkedge t_e1 t_circle1
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mkedge t_e2 t_side1
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mkedge t_e3 t_circle2
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mkedge t_e4 t_side2
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mkedge t_e5 t_circle3
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mkedge t_e6 t_side3
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mkedge t_e7 t_circle4
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mkedge t_e8 t_side4
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wire t_w t_e1 t_e2 t_e3 t_e4 t_e5 t_e6 t_e7 t_e8
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mkplane t_f t_w
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prism t_s1 t_f -$aCaveDepth 0 0
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circle t_circle 0 [expr $aFCaveTopWidth/2 + $aFCaveBottomWidth/2] 0 1 0 0 $aFCaveSmallCircleRadius
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mkedge t_e t_circle
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wire t_w t_e
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mkplane t_f t_w
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prism t_s2 t_f [expr -$aCaveDepth/2] 0 0
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box t_s3 0 0 -$aFCaveSmallCircleRadius [expr -$aCaveDepth/2] [expr $aFCaveTopWidth/2 + $aFCaveBottomWidth/2] [expr $aFCaveSmallCircleRadius*2]
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# Compile elements
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bfuse t_s2 t_s2 t_s3
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bfuse _frontcave t_s1 t_s2
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unifysamedom _frontcave _frontcave
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# Cut this cave from the platform
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ttranslate _frontcave $aPlatformLength [expr $aPlatformWidth*2/3] [expr $aPlatformHeight/2]
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bcut _platform _platform _frontcave
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tmirror _frontcave $aPlatformLength [expr $aPlatformWidth/2] [expr $aPlatformHeight/2] 0 1 0
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bcut _platform _platform _frontcave
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#================================================================================
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# A wedge on the platform
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box t_box $aPrismXOffset $aPrismYOffset $aPlatformHeight $aPrismLength $aPrismWidth $aPrismHeight
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set aCutwedgeLength [expr $aPrismHeight/0.57735]
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wedge _cutwedge $aPlatformLength [expr $aPrismYOffset + $aPrismWidth] $aModelHeight 0 -1 0 -1 0 0 $aCutwedgeLength $aPrismHeight $aPrismWidth 0
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bcut _prism t_box _cutwedge
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# Make 9 small holes on a top side
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set aWedgeSmallHolesRadius 7.68
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set aWedgeSmallHolesOrbit 67.81
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set aWedgeHoleXPos [expr $aPrismXOffset + 77.5]
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set aWedgeHoleYPos [expr $aPrismYOffset + 77.5]
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plane t_plane $aWedgeHoleXPos $aWedgeHoleYPos [expr $aPlatformHeight + $aPrismHeight/2] 0 0 1 1 0 0
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pcylinder t_cyl t_plane $aWedgeSmallHolesRadius [expr $aPrismHeight/2]
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set i 2
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while {$i <= 10} {ttranslate t_cyl [expr $aWedgeSmallHolesOrbit*cos($i*$my_pi/6)] [expr $aWedgeSmallHolesOrbit*sin($i*$my_pi/6)] 0; bcut _prism _prism t_cyl; reset t_cyl; incr i}
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# Make a cylinder on a canted side
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set aWedgeCylinderRadius 38.75
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set aWedgeCylinderHeight 38.75
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set aWedgeCantedHeight [expr tan($my_pi/6)*($aCutwedgeLength - 69.75)]
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set aWedgeCylinderZPos [expr $aModelHeight - $aWedgeCantedHeight/2]
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plane t_plane [expr $aPrismXOffset + $aPrismLength*3/4] [expr $aPrismYOffset + $aPrismWidth/2] $aWedgeCylinderZPos cos($my_pi/3) 0 sin($my_pi/3) 0 1 0
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pcylinder t_cyl t_plane $aWedgeCylinderRadius $aWedgeCylinderHeight
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explode t_cyl e
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blend t_cyl t_cyl 3 t_cyl_1
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bfuse _prism _prism t_cyl
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unifysamedom _prism _prism
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# Make a hole in the cylinder on the wedge
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pcylinder t_cyl t_plane [expr $aWedgeCylinderRadius/2] 100
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ttranslate t_cyl [expr -60*cos($my_pi/3)] 0 [expr -60*sin($my_pi/3)]
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bcut _prism _prism t_cyl
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# Make a hole on a right side of the wedge
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plane t_plane [expr $aPlatformLength - 162.75] $aPrismYOffset [expr $aModelHeight - $aWedgeCantedHeight] 0 1 0 1 0 0
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pcylinder t_cyl t_plane 13.1 [expr $aPrismWidth/2]
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bcut _prism _prism t_cyl
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# Fuse the platform and the prism
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bfuse _model _platform _prism
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# Make a pass-through hole
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set aWedgeHoleInnerRadius 38.77
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set aWedgeHoleOuterRadius 58.13
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set aWedgeHoleBottomInnerRadius 50.38
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# Cylinders from bottom to top
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plane t_plane $aWedgeHoleXPos $aWedgeHoleYPos 0
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pcylinder t_cyl1 t_plane $aWedgeHoleOuterRadius 10
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pcylinder t_cyl2 t_plane $aWedgeHoleBottomInnerRadius 10
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pcylinder t_cyl3 t_plane $aWedgeHoleInnerRadius [expr $aModelHeight - 30]
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pcylinder t_cyl4 t_plane $aWedgeHoleOuterRadius 10
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ttranslate t_cyl2 0 0 10
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ttranslate t_cyl3 0 0 20
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ttranslate t_cyl4 0 0 [expr $aModelHeight - 10]
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bfuse _cutCylindricShape t_cyl1 t_cyl2
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bfuse _cutCylindricShape _cutCylindricShape t_cyl3
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bfuse _cutCylindricShape _cutCylindricShape t_cyl4
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bcut _model _model _cutCylindricShape
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# Add a block on left side
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circle t_circle1 0 0 38.75
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circle t_circle2 [expr 38.75 + 9.3] [expr -57.35 + 9.3] 9.3
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circle t_circle3 [expr -38.75 - 9.3] [expr -57.35 + 9.3] 9.3
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lintan t_l t_circle1 t_circle2
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trim t_line12 t_l_2 0 48.05
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lintan t_l t_circle2 t_circle3
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trim t_line23 t_l_3 0 96.1
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lintan t_l t_circle3 t_circle1
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trim t_line31 t_l_4 0 48.05
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trim t_circle1 t_circle1 0 $my_pi
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trim t_circle2 t_circle2 $my_pi 4.7123889803846897
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trim t_circle3 t_circle3 4.7123889803846897 6.2831853071795862
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reverse t_circle1
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plane t_plane [expr $aPrismXOffset + 77.5] [expr $aPrismYOffset + $aPrismWidth] [expr $aPlatformHeight + 57.35] 0 1 0 -1 0 0
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to3d t_circle1 t_circle1 t_plane
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to3d t_circle2 t_circle2 t_plane
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to3d t_circle3 t_circle3 t_plane
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to3d t_line12 t_line12 t_plane
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to3d t_line23 t_line23 t_plane
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to3d t_line31 t_line31 t_plane
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mkedge t_e1 t_circle1
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mkedge t_e2 t_line31
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mkedge t_e3 t_circle3
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mkedge t_e4 t_line23
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mkedge t_e5 t_circle2
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mkedge t_e6 t_line12
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wire t_w t_e1 t_e2 t_e3 t_e4 t_e5 t_e6
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mkplane t_f t_w
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prism t_s t_f 0 $aCaveDepth 0
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bfuse _model _model t_s
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# Make fillets
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explode _model e
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# Make a weld at joint edges of platform and wedge
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blend _model _model 2 _model_28
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blend _model _model 2 _model_29
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blend _model _model 2 _model_30
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blend _model _model 2 _model_31
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blend _model _model 2 _model_33
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# Cylinder on wedge
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blend result _model 2 _model_161
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# Show result
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pload VISUALIZATION
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vinit Driver1/Viewer1/View1
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vsetcolorbg 200 200 255
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vdisplay result
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vfit
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vsetdispmode 1
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vshowfaceboundary result 1
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