1. Engineering Graphics with SolidWorks Instructors Name Course Name

2. Copyright Planchard & Planchard Chapter 6 – Objectives Create four parts:  O-RING  SWITCH  LENSCAP  HOUSING Specific knowledge and understanding of the following features:  Extruded Boss/Base  Extruded Cut

3. Copyright Planchard & Planchard Chapter 6 – Objectives Cont: Specific knowledge and understanding of the following features:  Swept Base  Swept Boss  Loft Base  Loft Boss  Mirror  Draft  Dome  Rib  Linear Pattern

4. Copyright Planchard & Planchard Chapter 6 – O-RING Part The O-RING utilizes a Swept Base feature. The SWITCH utilizes the Loft Base and Dome feature. The LENSCAP and HOUSING utilize the Swept Boss and Loft Boss feature. A Swept feature requires a minimum of two sketches:  Path  Profile Sketch the path (cross-section) and profile on different planes. The profile follows the path to create the following Swept features:  Swept Base  Swept Boss

5. Copyright Planchard & Planchard Chapter 6 – O-RING Part Create the O-RING with a Sweep Base feature. The Sweep-Base feature uses:  A circular path sketched on the Front Plane.  A small cross section profile sketched on the Right Plane. Sketch the path and profile on different planes. The profile follows the path to create the following Sweep features:  Sweep Base  Sweep Boss

6. Copyright Planchard & Planchard Chapter 6 – O-RING Part Create the O-RING part. Utilize the PART-IN-ANSI document Template. Create the Sweep Path. Create the Sweep Profile. Note: Create the Path before the Profile. The Profile requires a Pierce relation to the Path.

7. Copyright Planchard & Planchard Chapter 6 – O-RING Part Add a Pierce Relation. The Pierce geometric relation positions the center of the cross section profile on the sketched path. Add a dimension. Insert the Sweep feature. Save the part.

8. Copyright Planchard & Planchard Chapter 6 – SWITCH Part The SWITCH is a purchased part. The SWITCH is a complex assembly. Create the outside casing of the SWITCH. Create the SWITCH with the Loft Base feature. The first plane is the Top Plane. Create two reference planes parallel to the Top Plane.

9. Copyright Planchard & Planchard Chapter 6 – SWITCH Part Sketch one profile on each plane. The design intent of the sketch is to reduce the number of dimensions.

10. Copyright Planchard & Planchard Chapter 6 – SWITCH Part Utilize symmetry, construction geometry and Geometric Relations to control three sketches with one dimension.

11. Copyright Planchard & Planchard Chapter 6 – SWITCH Part Insert the Loft feature. Select the profiles to create the Loft feature. Insert the Dome feature to the top face of the Loft.

12. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Create the LENSCAP. Review the Extruded Base, Extruded Cut and Shell features introduced in the earlier chapter. The first feature is an Extruded Base feature. Select the Front Plane for the Sketch plane. Sketch a circle centered at the Origin for the profile. Utilize a Draft Angle of 5º.

13. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Create an Extruded Cut feature on the front face of the Base feature. The diameter of the Extruded Cut equals the diameter of the Revolved Base feature of the LENS. Insert the Shell feature. The Shell feature removes the front and back face from the solid LENSCAP.

14. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Insert a Revolved Cut Thin feature. The Revolved Cut Thin feature removes material by rotating a sketched profile around a centerline. The Right Plane is the sketch plane. The design intent requires that the Revolved Cut maintains the same Draft Angle as the Extruded Base feature. Utilize the Convert Entities Sketch tool to create the profile. Drag the left end point 2/3 towards the right endpoint. Centerline

15. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Small thin cuts are utilized in plastic parts. Utilize a Sweep Cut for non-cylindrical geometry. The semi-circular Sweep Cut profile is explored in the chapter exercises.

16. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Utilize the Sweep feature to create the required threads. The thread requires a spiral path. This path is called the ThreadPath. The thread requires a sketched profile. This cross section profile is called the ThreadSection. The plastic thread on the LENSCAP requires a smooth lead in. Back inside circular edge

17. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part The thread is not flush with the back face. Use an offset Plane to start the thread. Create a new Plane for the start of the thread.

18. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Create the thread path. Utilize Convert Entities Insert the Helix/Spiral curve path. Create a large thread cross section profile for improve visibility. Sketch to the Top right

19. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Hide the ThreadPlane. Sketch the profile on the Top Plane. Add Relations:  Equal  Pierce Add dimensions. Select Edge on the left side Pierce Point

20. Copyright Planchard & Planchard Chapter 6 – LENSCAP Part Insert the Sweep feature. Reduce the size of the thread cross section. Modify the dimensions. Save the part.

21. Copyright Planchard & Planchard Chapter 6 – HOUSING Part The HOUSING is a plastic part utilized to contain the BATTERY and to support the LENS. The HOUSING utilizes the following features:  Extruded Base  Loft  Extruded Boss  Extruded Cut  Draft  Sweep

22. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Cont: The HOUSING utilizes the following features:  Rib  Mirror  Linear

23. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the Sketch. Insert the Extruded Base feature. Create the first profile.

24. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the second profile. Mirror the profile.

25. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Trim unwanted geometry. Add dimensions. Modify the fillet dimension. Remove all Sharp edges. Insert the Loft feature.

26. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the first Extruded Boss feature. Create the first Extruded Boss feature from the square face of the Loft. How do you estimate the depth of the Extruded Boss feature? Answer: Use the Measure tool.

27. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the Shell feature. Features created before the Shell contained the wall thickness specified in the Thickness option. Position features of different thickness such as the Rib feature and Thread Sweep feature after the Shell. Features inserted after the Shell remain solid.

28. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the second Extruded Boss feature. Create a solid circular ring on the back circular face of the Extruded Base feature. The solid ring is a cosmetic stop for the LENSCAP and provides rigidity at the transition of the HOUSING. Utilize the Front Plane for the sketch. Select the inside circular edge of the Shell.

29. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Utilize Convert Entities to obtain the inside circle. Utilize the Circle Sketch tool to create the outside circle. Extrude the feature towards the front face.

30. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the Draft feature. The Draft feature tapers selected model faces by a specified angle by utilizing a Neutral Plane or Parting Line. The Neutral Plane option utilizes a plane or face to determine the pull direction when creating a mold. The Parting Line option drafts surfaces around a parting line of a mold.

31. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Utilize the Parting Line option for non-planar surfaces. Apply the Draft feature to solid and surface models. A 5º draft is required. The LENSCAP Extruded Base feature has a 5º draft angle.

32. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the thread. Create two Sketches:  ThreadPath  ThreadSection Insert the ThreadPlane. Utilize Convert Entities to create a circular sketch referencing the HOUSING Base Extrude feature.

33. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the TheadPath. Utilize Convert Entities to create a circular sketch. Insert a Helix/Spiral curve to create the path.

34. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Reuse geometry between parts. The ThreadSection is copied from the LENSCAP and is inserted into the HOUSING Top Plane. Add a Pierce Relation. Midpoint of the ThreadSection Pierce to the back edge of ThreadPath.

35. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the Sweep feature. Creating a ThreadPlane provides flexibility to the design. The ThreadPlane allows for a smoother lead. Name the Sweeps, profiles and paths to locate features and sketches quickly in the FeatureManager.

36. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the handle. Insert a Sweep feature. The Sweep feature consists of a sketched path and cross section profile. Create the Sweep path sketch on the Right Plane. The sketch uses edges from existing features. Insert a 2D Fillet. Boss Stop

37. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Add needed Geometric relations.  Coincident  Intersection Add needed dimensions. Intersectio n

38. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the Sweep Profile. Add Geometric relations.  Equal  Horizontal

39. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Mirror about the Horizontal centerline. Mirror about the Vertical centerline. Add all needed dimensions.

40. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Add a Pierce Relation. Insert the Sweep feature. Midpoint

41. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the Hole for the SWITCH. Utilize the top face of the Handle for the sketch plane. Create a circular sketch centered on the Handle.

42. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Add a Vertical Relation. Add dimensions. Insert the Extruded Cut feature for the Hole.  Utilize the UpToSurface option for End Condition. Select the inside surface of the HOUSING for the reference surface.

43. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the First Rib. The Rib feature adds material between contours of existing geometry. Use Ribs to add structural integrity to a part. A Rib requires:  A Sketch  Thickness  Extrusion direction

44. Copyright Planchard & Planchard Chapter 6 – HOUSING Part The first Rib profile is sketched on the Top plane. A 1º Draft Angle is required for manufacturing. Insert the Rib feature. Direction arrow points towards the back

45. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the Linear Pattern feature.

46. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the Second Rid feature. The Second Rib feature supports and centers the BATTERY. The Rib is sketched on a reference plane created through a point on the Handle and parallel with the Right Plane. The Rib sketch references the Origin and existing geometry in the HOUSING.

47. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Create the Second Rib. Add a Coincident Geometric relation. Add dimensions.

48. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Add all needed Geometric relations. Coincident Intersection Boss Stop edge Shell1 Silhouette edge BatteryLoftPlane Shell1 edge, leave small gap between horizontal line and vertical edge. Horizontal sketch line

49. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Insert the Rib feature.

50. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Add a Second Rib. Reuse features with the Mirror feature to create a Rib symmetric about the Right Plane. The Mirror feature requires:  Mirror Face or Plane reference  Features or Faces to Mirror

51. Copyright Planchard & Planchard Chapter 6 – HOUSING Part Select the Right Plane for the Mirror Plane. Select the second Rib for the Features to Mirror. Save the part.