Patterns t kho tài liệu bách khoa

Introduction to Patterns Page of 18 Introduction to Patterns Tutorial Summary In this tutorial, you will learn the basics of Pattern creation Task 1: Create a Dimension Pattern           Task 2: Create a Direction Pattern Task 3: Create an Axial Pattern Task 4: Create a Fill Pattern that patterns holes within an area Task 5: Experiment with Fill Pattern shapes file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page of 18 Task 6: Create a Fill Pattern that patterns protrusions within an area Task 7: Use the Fill Pattern to conform to surface topography Task Create Dimension Pattern Start Pro/ENGINEER Wildfire 4.0 Tryout Edition if necessary If Pro/ENGINEER is already running, close all windows then remove all objects from session using File > Erase > Not Displayed File > Set Working Directory , and browse to HANDS-ON_WF4\05-PATTERNS Right-click the PATTERN_TUTORIAL folder and select Set Working Directory.  Click the Datum Planes , Datum Points , and Coordinate Systems  icons in Pro/ENGINEER's main  file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page of 18 toolbar   These buttons toggle datum planes, axes, points and coordinate systems on and off so that your graphics window doesn't become too cluttered Double-click PATTERNA.PRT to open it Click HOLE 1 from the model tree and click the Pattern    tool from the feature toolbar When the Pattern  tool  is  launched  the  default  pattern  option  is  dimension  pattern.   Dimension  pattern specify  incremental changes to the feature dimensions and the number of instances to define the pattern Select the horizontal 1.00 dimension as shown, type in -2 as the increment and press ENTER Press and hold the right mouse button and select Direction Dimensions 10 In the dashboard, click on the vertical 1.00 dimension as shown, type in -2 as the increment and press ENTER file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns 11 Click Complete Feature Page of 18  to show the 2x2 pattern     Task Create Direction Pattern Click Undo  to remove the dimension pattern Right click HOLE from the model tree and select Pattern  In the dashboard, use the pull down to select Direction as the pattern option file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns   Page of 18 The Direction Pattern adds pattern members in one or two selected directions without requiring a specific dimensioning scheme on the original feature Click the Datum Planes  in Pro/ENGINEER's main toolbar to view the datum planes Select datum plane RIGHT as shown in the following figure Select 1.18 dimension and type as the increment and press ENTER file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page of 18 Press right mouse button and select Direction Reference Select datum plane TOP, as shown in the following figure Select 1.18 and type as the increment and press ENTER file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns 10 Click Complete Feature Page of 18  to see the 2X2 pattern Task Create Axial Pattern Click Undo  to remove the direction pattern Right click HOLE from the model tree and select Pattern  In the dashboard, use the pull down to select Axis as the pattern option file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns   Page of 18 The Direction Pattern adds pattern members in one or two selected directions without requiring a specific dimensioning scheme on the original feature Select the center axis of the part (A_2) to revolve the pattern around   Make sure that the axes are displayed If they are not, choose the Datum Axes  icon In the Dashboard, change the quantity of holes to In the Dashboard, select Angular extents   to equally space the members.  file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Click Complete Feature Page of 18 to see the axial pattern   Task Create a Fill Pattern Click Undo  to remove the axial pattern Right click HOLE from the model tree and select Edit Double-Click on the horizontal and vertical offset values and change them from 1.00 to and then choose the Regenerate  icon.  This will place the hole at the center of the part.   file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page 10 of 18 Right click HOLE from the model tree and select Pattern  In the dashboard, use the pull down to select Fill as the pattern option Pick the curve SKETCH_FOR_HOLE in the Model Tree Notice the preview of black dots showing the locations where holes will be created Select the Saved View List   icon in the main toolbar and select FRONT to change to the front view of the model.   The pattern should look like the following figure file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page 11 of 18 Change the orientation angle, spacing and offset boundary by holding down the left mouse button and dragging the white square drag handles In the figure below the drag handles are shown within the blue circles    Double-click on the dimensions and enter the values shown below file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns   Page 12 of 18 Individual hole members may be turned off by left clicking the black dot The black dot turns white to indicate it will be excluded from the fill To restore the pattern member, left click the white dot 10 Click Complete Feature 11 Select the No Hidden to see the fill pattern  icon from the main toolbar to better see the pattern if necessary Task Experiment with Fill Pattern shapes Select the Solid  icon to return back to shaded mode if necessary file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page 13 of 18 Right click on the PATTERN of HOLE in the model tree and select Edit Definition to change the existing pattern type In the dashboard, change the pattern shape from Square to Diamond.                            In the dashboard, change the pattern shape from Diamond to Triangle.              In the dashboard, change the pattern shape from Triangle to Circle file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page 14 of 18                              In the dashboard, change the pattern shape from Circle to Curve                                In the dashboard, change the pattern shape from Curve to Spiral file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page 15 of 18                  Click Complete Feature  icon at the right side of the dashboard Task Create a Fill Pattern of protrusions Select Saved View List   icon from the main toolbar to reorient the model to a better view and select  BACK_PATTERN.   If Axes are showing from the holes on the other side, hide them by choosing Datum Axes      Right click on PROTRUSION1 in the Model Tree and choose Pattern.   In the Dashboard, change the Dimension pattern option to Fill as in the previous task Select the curve SKETCH_FOR_PROTRUSION in the model tree and select the Complete Feature   icon at the  right side of the dashboard to complete the pattern            file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns   Page 16 of 18 Rotate the model by holding the middle mouse button and dragging Notice how all of the protrusions start at the same plane Task Create a Fill Pattern along a curved surface Select Saved View List   icon and select BACK_PATTERN to return back to the previous orientation Right click on PATTERN2 of PROTRUSION1 in the Model Tree and select Edit Definition Select the Options tab from the Dashboard at the bottom of the screen Check the box named Follow Surface Shape and the button called Constant                       Left click on the curved surface shown file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Select Complete Feature  Page 17 of 18  icon at the right side of the dashboard.                       Task Fill Pattern along a curved surface (cont'd) Select Saved View List   icon and select BACK_PATTERN to return back to the previous orientation Right click on PATTERN2 of PROTRUSION1 in the Model Tree and select Edit Definition Select the Options tab from the Dashboard at the bottom of the screen Change the radial button from Constant to Follow Surface Shape file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Select Complete Feature  Page 18 of 18  icon at the right side of the dashboard.  Congratulations!  You have completed the Introduction to Patterns Tutorial   file://F:\New Folder\Pattern\Pattern\Introduction to Patterns Tutorial Summary.htm 3/17/2009 ... FolderPatternPatternIntroduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Page 10 of 18 Right click HOLE from the model tree and select Pattern  In the dashboard, use the pull down to select Fill... Change the radial button from Constant to Follow Surface Shape file://F:New FolderPatternPatternIntroduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns Select Complete... FolderPatternPatternIntroduction to Patterns Tutorial Summary.htm 3/17/2009 Introduction to Patterns   Page of 18 The Direction Pattern adds pattern members in one or two selected directions without requiring