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1、Quick Surface reconstructionDetailed StepsQuick Surface ReconstructionDetailed StepsCOPYRIGHT DASSAULT SYSTEMES 200222Table of ContentsPlastic bottle exercise3Step (1): Scans creation3Step (2): Curves creation5Step (3): Surfaces creation10Step (4): Creating the rough model18Step (5): Filleting the m
2、odel21Plastic bottle exerciseStep (1): Scans creationLoad the file exercise_start.CATPart from the indicated directory. Start the Quick Surface Reconstruction workbench.1. Create a first scan at the symmetry plane:a. Click on the Planar sections icon b. Select the tessellationc. Click on the Flip to
3、 XZ button d. Activate the contextual menu of the plane manipulatore. Select the Edit optionf. Set the Y coordinates to 0g. Click the Close buttonh. Check the Grouped into one element optioni. Click on the Apply buttonj. Click on the OK button2. Create a second scan by isoslope computation:a. Click
4、on the Slope analysis icon b. Select the tesselationc. Click on the Flip to X button d. Set the Filter value to 250e. Check the Distinct optionf. Click on the OK button3. Create a third scan by planar section:a. Click on the Planar sections icon b. Select the tessellationc. Click on the Flip to XY b
5、utton d. Activate the contextual menu of the plane manipulatore. Select the Edit optionf. Set the Z coordinates to 205g. Click the Close buttonh. Check the Distinct optioni. Click on the Apply buttonj. Click on the OK button4. Create a last scan by planar sections:a. Click on the Planar sections ico
6、n b. Select the tessellationc. Click on the Flip to XY button d. Activate the contextual menu of the plane manipulatore. Select the Edit optionf. Set the Z coordinates to 0g. Click the Close buttonh. Check the Distinct optioni. Click on the Apply buttonj. Click on the OK buttonStep (2): Curves creat
7、ionBefore starting the curves creation, create a new open body and name it Curves creation.You can also load the file End_step1.CATPart from the indicated directory1. Create curves from the scan on the symmetry planea. Click on the Curve from scan icon b. Select the first created scanc. Set the Accu
8、racy value to 0.5d. Set the Degree value to 6e. Set the Number value to 20f. Activate the Smoothing creation modeg. Set the Split angle value to 45h. Add two splitting points below the top fillet and before the handle fillet with point continuityi. Add one splitting point below the fillet handle wit
9、h point continuityj. Add 4 splitting point at the bottom of the bottle with Tangent continuityk. Add one splitting point below the fillet handle with point continuityl. Add 2 splitting points as shown with point continuityTotal splitting points should look like this:m. Click on the Apply buttonn. Cl
10、ick on the OK button2. Create a curve from the second scana. Click on the Curve from scan icon b. Select the scan created by isoslopec. Set the Split Angle value to 90d. Remove all the splitting points using the Remove split option of the contextual menu of each pointe. Remove both extremities using
11、 the Remove split option of the contextual menu of each extremity f. Add one splitting point on the scan below the top fillet and before the top intersection scang. Add one splitting point on the scan below the bottom intersection scanh. Set the accuracy value to 1mmi. Set the Order value to 4j. Cli
12、ck on the Apply buttonk. Click on the OK button3. Create a curve on the top scana. Click on the Curve from scan icon b. Select the third scan createdc. Set the Accuracy value to 0.5mmd. Click on the Apply buttone. Click on the OK button4. Create a curve on the last scana. Click on the Curve from sca
13、n icon b. Select the last scan createdc. Add splitting points with tangent continuity as shownd. Click on the Apply buttone. Click on the OK button5. Hide all the scans6. Trim all the curves createda. Click on the Curves slice icon b. Select all the curves using a trapc. Click on the More buttond. S
14、et the Max distance to 2mme. Click on the Apply button to preview the intersecting pointsf. Click on the OK button7. Delete the two curves in the handle:8. Start the Wireframe and Surface design workbench9. Create a blending curve in the left handle areaa. Click on the Connect curves icon b. Select
15、the extremity point of the top curvec. Select the extremity point of the bottom curved. Reverse the blending direction if necessarye. Click on the OK button10. Create a blending curve in the right handle areaa. Click on the Connect curves icon b. Select the extremity point of the top curvec. Select
16、the extremity point of the bottom curved. Reverse the blending direction if necessarye. Click on the OK buttonStep (3): Surfaces creationBefore starting the surfaces creation, create a new open body and name it Surfaces creation.You can also load the file End_step2.CATPart from the indicated directo
17、ry.1. Create extruded surfaces to be used as tangency constraints:a. Click on the Extrude icon b. Select a curve in the symmetry planec. Set the Direction to Y axisd. Set the extrusion Limit 1 to 20mme. Reverse the extrusion direction if necessaryf. Click on the OK buttong. Repeat the actions a. to
18、f. for all the curves in the symmetry plane:2. Extrude the middle curve to create a tangency constraint:a. Click on the Extrude icon b. Select the middle curve resulting from the smoothing of the isoslope scanc. Set the Direction to X axisd. Set the extrusion Limit 1 to 20mme. Reverse the extrusion
19、direction if necessaryf. Click on the OK button3. Hide the extruded curves4. Start the Quick Surface Reconstruction workbench5. Activate the points of the left half of the bottle:a. Click on the Activate icon b. Activate the Trap optionc. Activate the Polygonal optiond. Activate the Inside trap opti
20、one. Select the tessellationf. Define a trap around the points of the left side of the bottle, excluding the handle pointsg. Click on the OK button6. Create a first surface on these points:a. Click on the Power fit icon b. Set the Point gap value to 0.5mmc. Select the tessellationd. Select the 7 bou
21、ndary curves for the area to fillKeep the default continuity level for all curvese. Click on the Apply buttonf. Click on the OK button7. Hide the middle symmetry constraint surface8. Activate the points of right half of the tessellation:a. Click on the Activate icon b. Select the tessellationc. Clic
22、k on the Activate all buttond. Define a trap around the points of the right side of the bottle, excluding the handle pointse. Click on the OK button9. Create a second surface on these pointsa. Click on the Power fit icon b. Set the Point gap value to 0.5mmc. Select the tessellationd. Select the 7 bo
23、undary curves for the area to fillKeep the default continuity level for all curvese. Click on the apply buttonf. Click on the OK button10. Activate all the points of the tessellation:a. Click on the Activate icon b. Select the tessellationc. Click on the Activate all buttond. Click on the OK button1
24、1. Hide all the symmetry constraints12. Create a cylinder on the top of the bottlea. Click on the Activate icon b. Select the tessellationc. Create a trap around the top of the bottled. Click on the OK buttone. Click on the Basic surface recognition icon f. Select the tessellationg. Activate the Cyl
25、inder optionh. Check the Axis optioni. Set the Axis values to 0,0,1j. Click on the Apply buttonk. Click on the OK buttonl. Double-click on the cylinderm. Pull the bottom limit down:n. Click on the OK buttono. Double click on the cylinder circle in the treep. Relimit the cylinder to the necessary par
26、t for the model reconstruction:q. Click on the OK button13. Create a plane on the top of the bottlea. Click on the Activate icon b. Select the tessellationc. Create a trap around the top of the bottled. Click on the OK buttone. Click on the Basic surface recognition icon f. Select the tessellationg.
27、 Activate the Automatic modeh. Click on the Apply buttoni. Orientate and extend the plane as necessaryj. Click on the OK button14. Create a plane on the bottom of the bottlea. Click on the Activate icon b. Select the tessellationc. Click on the Activate all buttond. Define a trap around the bottom p
28、ointse. Click on the OK buttonf. Click on the Basic surface recognition icon g. Select the tessellationh. Activate the Plane optioni. Check the Axis optionj. Set the plane normal to 0, 0, 1k. Click on the Apply buttonl. Orientate and extend the plane as requiredm. Click on the OK button15. Create a
29、free form surface on the left handlea. Click on the Activate icon b. Select the tessellationc. Click on the Activate all buttond. Define a trap around the left handle pointse. Click on the OK buttonf. Click on the Power fit icon g. Set the Point gap value to 0.5mmh. Select the tessellationi. Click o
30、n the Apply buttonj. Click on the OK buttonk. Click on the Activate icon l. Select the tessellationm. Click on the Activate all buttonn. Click on the Extrapolate icon o. Select the right side boundary of the created surfacep. Select the last created surfaceq. Set the Limit type to Lengthr. Set the L
31、ength to 10mms. Set the Continuity parameter to Curvaturet. Click on the OK button16. Repeat the operation 15 on the right side handleStep (4): Creating the rough modelBefore starting the rough model creation, create a new open body and name it rough model.You can also load the file End_step3.CATPar
32、t from the indicated directory.1. Create a Join with the two main surfaces of the bottle 2. Start the Wireframe and surface workbench3. Create the top boundary of the join 4. Create the bottom boundary of the join 5. Start the Quick Surface Reconstruction workbench6. Extrapolate the join in the +Z d
33、irection:a. Click on the Extrapolate icon b. Select the top boundary of the joinc. Select the Joind. Set the Limit type to Lengthe. Set the Length to 4mmf. Set the Continuity parameter to Curvatureg. Click on the OK button7. Extrapolate the join in the -Z direction:a. Click on the Extrapolate icon b
34、. Select the bottom boundary of the joinc. Select the Joind. Set the Limit type to Lengthe. Set the Length to 20mmf. Set the Continuity parameter to Tangentg. Set the Extremities parameter to Tangenth. Click on the OK button8. Split the geometry by the symmetry planea. Double-click on the Split icon
35、 b. Select the top Cylinderc. Select the ZX planed. Click on the Other side button if necessarye. Click on the OK buttonf. Select the left handle surfaceg. Select the ZX planeh. Click on the Other side button if necessaryi. Click on the OK buttonj. Select the right handle surfacek. Select the ZX pla
36、nel. Click on the Other side button if necessarym. Click on the OK buttonn. Select the top planar surfaceo. Select the ZX planep. Click on the Other side button if necessaryq. Click on the OK buttonr. Select the bottom planar surfaces. Select the ZX planet. Click on the Other side button if necessar
37、yu. Click on the OK buttonv. Click on the Cancel button9. Trim all the elements to get the rough model:a. Double-click on the Trim icon b. Select the top cylinderc. Select the top planar surfaced. Click on the Other side buttons if necessarye. Click on the OK buttonf. Select the previous Trimg. Sele
38、ct the extrapolated joined surfaceh. Click on the Other side buttons if necessaryi. Click on the OK buttonj. Select the previous Trimk. Select the left handle surfacel. Click on the Other side buttons if necessarym. Click on the OK buttonn. Select the previous Trimo. Select the right handle surfacep
39、. Click on the Other side buttons if necessaryq. Click on the OK buttonr. Select the previous Trims. Select the bottom planar surfacet. Click on the Other side buttons if necessaryu. Click on the OK buttonv. Click on the Cancel buttonStep (5): Filleting the modelBefore starting filleting the model,
40、create a new open body and name it filleted model.You can also load the file End_step4.CATPart from the indicated directory.1. Create two 2mm fillets at the top of the bottlea. Click on the Edge fillet icon b. Select the 2 top edges of the bottlec. Set the Radius value to 2mmd. Click on the OK butto
41、n2. Create two 2mm fillets around the handlesa. Click on the Edge fillet icon b. Select the 2 edges around the handles of the bottlec. Set the Radius value to 2mmd. Set the Extremities parameter to Maximume. Click on the OK button3. Determine the value of the radius for the bottom filleta. Click on
42、the Curvature analysis icon b. Select the tessellationc. Set the Type parameter to Radiusd. Set the Radius type parameter to Maximume. Move the cursor in the fillet area to find the radius valuef. Click on the Cancel button4. Create the bottom filleta. Click on the Edge fillet icon b. Select the bottle bottom edgec. Set the Radius value to 12mmd. Set the Extremities parameter to Maximume. Click on the OK button5. Hide the tessellation6. Create a symmetry of the last filleted surface around the XZ plane