Tài liệu Base Support docx

1 ME-430 Introduction to Computer Aided Design Base Support Pro/ENGINEER Wildfire 2.0 By: Dr. Herli Surjanhata In a system window, create a new directory called ME-430 (e.g. H:\ME-430). From File pull down menu, select Set Working Directory. Select Working Directory dialog box appears 2 Select the ME-430 directory to highlight it and select OK. All files created in this session will be stored in ME- 430 directory. Note: You can also create a new directory by selecting . Pick the Create a new object icon . 3 Type in base_support for the name of the new part. Un-check Use default template. The default units of Pro/E is inlbs_part_solid. Click OK since the part will have inches units. Click OK in the New dialog box. The default datum planes appear in the graphics area. 4 CREATE A BASE FEATURE 3.10 in x 5.10 in x .4 in Create the base feature – Pick the Extrude Tool icon . In the dashboard, click . Click Define. Pick TOP datum plane as Sketch Plane, accept default (Sketch Orientation Reference) and click the Sketch button . 5 Click the Close button in the References dialog box. Click the small forward > icon to expand, and pick . Draw two centerlines thru coordinate system. One horizontal centerline and the other vertical centerline. These centerlines are used to ensure symmetry of the section. Click to draw a rectangle center at coordinate system. Click to create a box covering all dimensions. Note: To dimension the rectangle, click . Be sure the sides of the rectangle are symmetry with respect to centerlines. If necessary, use symmetry constraint to enforce it. 6 Click to modify the dimensions. Change this dimension to be 3.1. Also change this dimension to be 5.1. 7 Click the small forward > icon to expand, and pick . Draw and dimension an arc as shown below – be sure the center of the arc located in the horizontal centerline. 8 Pick the arc using left button, then select . Pick the vertical centerline as mirror line. Pick , and trim the unwanted edges – see figure below. 9 Click . Enter .4 for the depth of extrusion, then select both sides extrusion . Click . Click and select Standard Orientation. 10 CREATE .43 ROUNDS AT THE PLATE. Click the Chamfer Tool icon . Left-click one edge of the corners, press Ctrl key while picking the rest of the edges. Enter value for D: 1.9 Click . CREATE A SLOT PROTRUSION Click . Then click -> . Pick the TOP datum plane as sketching plane, then click Sketch button. [...]... offsetting from the existing edges Select Loop Pick the outer edges of the support protrusion – see figure Enter the offset distance of -0.175 in Hit Enter 14 Click and select the cut option Choose thru all extrusion depth Change the direction of cut extrusion by selecting Click 15 Copy Mirror the Slot Pre-select the last two extrusions (support and slot) in the Model Tree Both features should be highlighted... Ctrl key and pick the FRONT datum plane Pick Pick the top right arc edge of top surface of the base, press-hold Ctrl key and pick the FRONT datum plane 33 Pick Pick the left arc edge of middle rib, press-hold Ctrl key and pick the FRONT datum plane 34 Pick Pick the top left arc edge of top surface of the base, press-hold Ctrl key and pick the FRONT datum plane 35 Click OK to complete FOUR datum points... two extrusions (support and slot) in the Model Tree Both features should be highlighted Click on the Mirror Tool Pick RIGHT datum plane as mirror plane 16 Click on Pre-select the last two extrusions (support and slot) and mirrored geometry in the Model Tree Click on Select FRONT datum plane as mirror plane 17 Click to finish the mirroring process 18 CREATE A REVOLVED PROTUSION AT TOP SURFACE OF THE . 1 ME-430 Introduction to Computer Aided Design Base Support Pro/ENGINEER Wildfire 2.0 By: Dr. Herli Surjanhata In a system window,. new directory by selecting . Pick the Create a new object icon . 3 Type in base_ support for the name of the new part. Un-check Use default template. The