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1、CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 1 Generative Shape Design CATIA Training Exercises Version 5 Release 8 January 2002 EDU-CAT-E-GSD-FX-V5R8 CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 2 Exercise 3 hours. CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 3 Design Intent: The Space Mouse Build an
2、hybrid part : the Space Mouse Base that is used in an Assembly. CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 4 Design Process: Space Mouse Create the base pad and the upper fillet 1 Create the surfacic elements 2 Sew the surface on the pad 3 Create the groove. 4 Split the part with the imported surfa
3、ce 5 Shell the created solid. 6 Create the shaft 7 Create the holes and the pockets 8 Assemble a new body and create a circular pattern. 9 Copyright DASSAULT SYSTEMES 2002 5 Exercise The Space Mouse (Step 1): Creating the base pad and the upper fillet In this step you will create the base sketch, th
4、e main pad of the part, and you will fillet the upper face of the pad. 30 min. CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 6 Do It Yourself (1/2) Draw the following sketch on the XoY plane. Create a plane with an angle of 6.5 deg with the XoY plane. Offset this plane upward of 15mm. Load: SMBase_beg
5、in.CATPart CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 7 Do It Yourself (2/2) Create a Up-to-Plane pad with the previous sketch and the upper plane. Create a 3mm edge fillet on the upper edge of the previously created pad. Reference model : SMBase_step1.CATPart Copyright DASSAULT SYSTEMES 2002 8 Exe
6、rcise The Space Mouse (Step 2): Creating the surfacic elements In this step you will create two profiles, a loft from these profiles, a fill surface, and finally you will split the surfaces with the pad. 20 min. CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 9 Do It Yourself (1/3) Create a 10mm offset
7、from the XoZ plane. Create a 110mm offset from the XoZ plane in the same direction. On the first plane draw this sketch : On the second plane, draw this sketch : Load : SMBase_step1.CATPart CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 10 Do It Yourself (2/3) Create a loft using the two created sketch
8、es : Create a line closing the first profile : CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 11 Do It Yourself (2/3) Create a fill surface between the line and the first sketch. Join the filled surface with the previous loft. Split this join with the lower face of the pad. Copyright DASSAULT SYSTEMES
9、2002 12 Exercise The Space Mouse (Step 3): Sewing the surface on the pad Sew the just created surface on the solid. 5 min. CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 13 Do It Yourself In the CATIA Part Design workbench, sew the previously created split surface with the solid. Load : SMBase_step2.CA
10、TPart Copyright DASSAULT SYSTEMES 2002 14 Exercise The Space Mouse (Step 4 to 7): In these steps, you will create a groove, split the part with an imported surface, shell the solid and create a shaft. 20 min. CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 15 Do It Yourself : step 4 On the YZ plane, dra
11、w the following sketch : Groove the created profile as shown : Load : SMBase_step3.CATPart CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 16 Do It Yourself : step 5 Select the imported_surface in the tree and put it in Show mode : Split the solid with the blue surface : Load : SMBase_step4.CATPart CATI
12、A技术论坛： Copyright DASSAULT SYSTEMES 2002 17 Do It Yourself : step 6 Create a shell of the solid with a 2mm inside thickness : Load : SMBase_step5.CATPart CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 18 Do It Yourself : step 7 Sketch this profile : Create a shaft with this profile. Create a 2mm edge fi
13、llet as shown : Load : SMBase_step6.CATPart Copyright DASSAULT SYSTEMES 2002 19 Exercise The Space Mouse (Step 8):Creating the holes and pockets In these steps, you will create holes, instantiate holes with a user pattern and create pockets. 20 min. CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 20 Do
14、It Yourself (1/4) Create a 28mm diameter hole on the shaft. On the upper plane of the part, sketch the following profile : Load : SMBase_step7.CATPart CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 21 Do It Yourself (2/4) Create a Up_to-Next pocket with the sketch you have just created Create a 11mm di
15、ameter hole as shown on right : CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 22 Do It Yourself (3/4) Create the following sketch on the upper plane of the part : Reuse this sketch to instantiate the previous hole on the part : CATIA技术论坛： Copyright DASSAULT SYSTEMES 2002 23 Do It Yourself (4/4) Create a 0,5mm edge fillet an the upper edges of the created holes. Sketch the following profile on the ZX plane. Create a pocket from this sketch. Copyright DASSAULT SYSTEMES 2002 24 Exercise The Space Mouse
