Mastercam Version 9 SolidsTutorial - Part 3 pptx

Designing a Plastic Cap Mastercam Version 9 Solids Tutorial 31 3 Designing a Plastic Cap In this chapter, you will use existing wireframe geometry consisting of lines and arcs to generate the following solid model of a plastic cap. You will build on skills that you learned in the previous chapter and learn new skills, such as:  Creating a base solid (Revolve)  Adding material (boss) with draft to a solid (Extrude)  Cutting material from a solid (Extrude)  Trimming extruded bosses and cuts to solid faces  Setting the solid display (hidden lines and radial display curves)  Filleting solid edges using face selection  Hollowing out a solid with an entry hole  Editing operation parameters  Reordering operations  Changing a solid feature by modifying its underlying curve geometry  Regenerating a solid  Creating a curve along a solid edge Chapter 3 32 Mastercam Version 9 Solids Tutorial Exercise 1 – Creating the base of the cap In this exercise, you will perform a base operation to define the round shape of the plastic cap. To do so, you will create a revolved solid by driving the shape of a chain of curves in a circular path around an axis. Checking visible levels of geometry Level 1 is the main level, on which geometry will be created in a later exercise. Level 2 is the level on which some of the geometry contained in this file is located. You will check to be sure that both of these levels are visible. 1. Open cap-wireframe-mm.mc9 from your working folder. 2. Choose the Level button on the Secondary Menu. Note: The number on the button indicates the main level, on which geometry will be created (in this case, level 1). 3. Check to be sure levels 1 and 2 are visible, as shown in the following picture. 4. Choose OK to close the Level Manager. Tip: To make a level visible or invisible, click in the Visible column next to a level number. The red check mark indicates that a level is visible. Designing a Plastic Cap Mastercam Version 9 Solids Tutorial 33 Chaining the geometry 1. Choose Main Menu, Solids, Revolve. The Chaining Methods menu displays. 2. Select the green geometry to revolve at the position shown in the following picture. 3. Choose Done. 4. Select the rotation axis (line) at the position shown in the following picture. Chapter 3 34 Mastercam Version 9 Solids Tutorial 5. The Revolve menu sets the rotation direction. To create the round base of the cap, you will rotate the geometry a full 360 degrees. Therefore, the rotation direction does not matter. Choose Done. The Revolve Chain dialog box opens. Setting revolve parameters 1. Check your settings against the following picture. Make any necessary adjustments. 2. Choose OK to create the revolved solid. 3. Press [Alt+S] to turn on shading. Your part should look like the following picture. Designing a Plastic Cap Mastercam Version 9 Solids Tutorial 35 4. Save the file as cap-solid-mm.mc9 in your working folder. Exercise 2 – Creating a nozzle In this exercise, you will create a nozzle on top of the cap's base. You will use the Extrude function to add material, called a boss, to the revolved solid. Chaining the geometry and setting the extrusion direction 1. Press [Alt+S] to turn off shading. 2. Choose Main Menu, Solids, Extrude. 3. Select the yellow geometry at the position shown in the following picture. Chapter 3 36 Mastercam Version 9 Solids Tutorial 4. Choose Done. The Extrusion Direction menu displays. 5. Look at the direction arrow to be sure that it points up. If it doesn't, choose Reverse It. 6. Choose Done. The Extrude Chain dialog box opens. Setting extrusion parameters You will define the operation as a 24 millimeter boss. In addition, you will apply a 5-degree draft angle to the walls of the boss. 1. Choose Add Boss. 2. Select the Draft check box. 3. Clear the Outward check box to tilt the walls of the extruded boss inward relative to the extrusion direction. The nozzle will be smaller at its top than at its base. 4. Enter 5.0 for Angle. 5. Check your settings against the following picture. Make any necessary adjustments. Designing a Plastic Cap Mastercam Version 9 Solids Tutorial 37 6. Choose OK to create the nozzle on the cap base. 7. Turn on shading. Your part should look like the following picture. Chapter 3 38 Mastercam Version 9 Solids Tutorial Exercise 3 – Trimming the top of the cap In this exercise, you will trim material from the nozzle to refine its shape. You will do so by cutting the revolved solid with an extruded chain of curves. The chain of curves is located in the middle of the nozzle, which makes it difficult to know the distance to extrude the cut in either direction. Therefore, you will extend the cut through the entire nozzle (versus a specified distance) in both the extrusion direction and the opposite direction. 1. Turn off shading. 2. From the Solids menu, choose Extrude. 3. Select the light blue geometry at the position shown in the following picture. Designing a Plastic Cap Mastercam Version 9 Solids Tutorial 39 4. Choose Done to end the chain selection. 5. Choose Done to accept the default extrusion direction, which is normal to the selected chain. Note: You will extrude the curves in both directions, so it does not matter which direction the arrow points. 6. Choose Cut Body. 7. Clear the Draft check box. 8. Choose Extend through all. 9. Select the Both directions check box. 10. Check your settings against the following picture. Make any necessary adjustments. Chapter 3 40 Mastercam Version 9 Solids Tutorial 11. Choose OK to trim the nozzle. 12. Turn on shading. Your part should look like the following picture. [...]... picture (the top of the cap's nozzle) The system highlights the face Mastercam Version 9 Solids Tutorial 45 Chapter 3 7 Choose Done The Fillet Parameters dialog box opens 8 Enter Fillet Cap Faces for the operation name 9 Enter 3 for Radius 10 Check your settings against the following picture Make any necessary adjustments 46 Mastercam Version 9 Solids Tutorial Designing a Plastic Cap Note: When a solid face... dialog box opens 8 Clear the Both directions check box 9 Check your settings against the following picture Make any necessary adjustments 50 Mastercam Version 9 Solids Tutorial Designing a Plastic Cap 10 Choose OK to cut the nozzle hole 11 Turn on shading Your part should look like the following picture Mastercam Version 9 Solids Tutorial 51 Chapter 3 Exercise 8 – Creating a tab on the sides of the cap... Expand the operation history by clicking on the + sign next to the word 'Solid' 3 Click on the + sign for the last Extrude Boss operation in the list to expand its structure Mastercam Version 9 Solids Tutorial 55 Chapter 3 4 Double-click on Parameters The Extrude Chain dialog box opens 5 Enter 37 .2 for Distance then choose OK Mastercam marks the operation with a red X Note: An operation marked with a red... nozzle 1 Turn off shading 2 The tab geometry is located on level 3 Use the Level Manager to make level 2 invisible and levels 1 and 3 visible Tip: For information on making levels visible or invisible, see page 32 3 From the Solids menu, choose Extrude 4 Select the geometry at the position shown in the following picture 52 Mastercam Version 9 Solids Tutorial Designing a Plastic Cap 5 Choose Done 6 Look... extrusion techniques that you learned in a previous exercise The cut will extend in one direction through the front of the nozzle Mastercam Version 9 Solids Tutorial 49 Chapter 3 1 Choose the Gview-Isometric toolbar button to return to Isometric view 2 Turn off shading 3 From the Solids menu, choose Extrude The Chaining Methods menu displays 4 Select the red circle at the position shown in the following... Extrude Attach Hole for the operation name 8 Choose Cut Body 9 Choose Extend through all Mastercam Version 9 Solids Tutorial 59 Chapter 3 10 Clear the Trim to selected faces check box 11 Check your settings against the following picture Make any necessary adjustments 12 Move the dialog box so you can see the direction arrow on the geometry 13 Look at the direction arrow to be sure that it points into... Turn off shading and return to Isometric view 2 Choose Main Menu, Analyze 3 To limit the entities that you can select to analyze, choose Only, Arcs Mastercam displays the Analyze Entity menu 4 Select the circle at the position shown in the following picture Mastercam Version 9 Solids Tutorial 61 Chapter 3 In the prompt area, Mastercam displays information about the selected circle For example, the... Enter 3 for Radius Mastercam updates the related fields (e.g Diameter) 62 Mastercam Version 9 Solids Tutorial Designing a Plastic Cap 7 Choose OK to close the Analyze dialog box Mastercam enlarges the circle Regenerating the solid 1 Press [Alt + Y] to open the Solids Manager The Extrude Attach Hole operation is marked with a red X 2 Choose Regen All to rebuild the model using the new radius value 3 Choose... selecting the light blue rectangle at the position shown in the following picture Mastercam Version 9 Solids Tutorial 65 Chapter 3 6 Choose Done 7 Define the sweep path by selecting the red edge curve that you just created, as shown in the following picture 8 The Sweep dialog box opens Choose Cut Body 66 Mastercam Version 9 Solids Tutorial ... some way 56 Mastercam Version 9 Solids Tutorial Designing a Plastic Cap 6 Choose Regen All to incorporate the new distance into the solid model Mastercam trims the boss to the face that you selected in the previous exercise and to all adjacent faces 7 Choose OK to close the Solids Manager Your part should look like the following picture 8 Dynamically rotate the cap to view its interior Your part should . Mastercam Version 9 Solids Tutorial 37 6. Choose OK to create the nozzle on the cap base. 7. Turn on shading. Your part should look like the following picture. Chapter 3 38 Mastercam Version. solid. 3. Press [Alt+S] to turn on shading. Your part should look like the following picture. Designing a Plastic Cap Mastercam Version 9 Solids Tutorial 35 4. Save the file as cap-solid-mm.mc9. 2. Choose Main Menu, Solids, Extrude. 3. Select the yellow geometry at the position shown in the following picture. Chapter 3 36 Mastercam Version 9 Solids Tutorial 4. Choose Done. The