Tutorial for Designing Engine case

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This tutorial contains step by step procedure to create engine case using any software, this model especially created using CREO parametric

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  1. Step 1: Creating Engine case


    Step: 1

               Open CREO parametric 3.0 click-->File-->New-->Part-->Solid










     

  2. Step 2:


    Create sketch as shown below with given dimensions of 20 X 40 mm by selecting Right plane and then click OK

  3. Step 3:

              Click-->Shapes group-->Extrude option 

    Extrude the Sketch with extrude depth of 3.5mm in dashboard

  4. Step 4:


               Select the face marked in green and click-->Datum group -->plane

    Create a Datum plane as shown above by entering the translation distance of 3mm




    Click Ok


  5. Step 5:


               Create the sketch as shown below in the newly created DTM1 plane and click ok

  6. Step 6:


               Extrude the Circle created in previous step to the depth value of 25.5mm

  7. Step 7:


    Select the top face of the rectangle and create sketch as shown below with specified dimensions and click OK



               Note: Use references tools in Setup group to make it simple

  8. Step 8:


               Extrude the previous created sketch with extrude depth value of 25 mm

  9. Step 9:


               Select the face shown below and create a sketch with specified dimensions and click OK

  10. Step 10:


               Create a extrude as shown below with extrude depth of 14 mm

  11. Step 11:


               Create sketch below with specified dimension by selecting the face as selected below

  12. Step 12:


               Extrude the sketch created in previous step with depth value of 6mm

  13. Step 13:


               Create rounds as shown below by selecting the edges with radius of 2mm and click ok


               Another Round as shown below with same radius of 2 mm



    Create another round on the edge selected before with radius of 1mm

  14. Step 14:


               Create the sketch as shown below by selecting the mid plane with specified dimensions



    Note: create rectangle oriented at 70 degrees from the axis with 7 X 14 mm dimension (use construction lines to make it simple)

  15. Step 15:


                       Create revolve section as shown below with reference the axis and click ok

  16. Step 16:


                       Create sketch as shown below with specified dimensions at the selected faces and extrude with a depth value of 6mm


  17. Step 17:


    Create the sketches as shown below using references options and using dimension constrains and create extrude up to selected edges as show in images


  18. Step 18:


                       Create rounds with specified dimension r=4mm as shown below


                            Create rounds at this selected edge with r=2mm


                       Create rounds as shown below at the selected faces with radius of 3mm

  19. Step 19:


    Create the sketch as shown below at the right side end face and create a revolve for 180 degrees




    And using mirror command mirror the revolve command using the selected plane shown below


  20. Step 20:


    Create rounds as shown below with specified dimensions on the selected edges with r=2mm


                       Create rounds r=2.5 mmm at the selected edges as shown below

  21. Step 21:


                       Create sketch as shown below and extrude to a depth value of 9 mm


  22. Step 22:


    Create the sketch on the same face which you created sketch in the previous step with specified dimensions and create extrude with depth value of 1mm.


  23. Step 23:


                       Create rounds at the corner edges selected below with r=2mm

  24. Step 24:


                       Create a datum plane DTM2 with translation distance of 2mm from the selected face


    Create sketch in the previously created plane as shown below and extrude with a depth value of 1mm also create the rounds at the corners with r=2mm as done before



    Repeat the step one more time with dimensions given below and create the third fin as shown below




                       Again repeat the same step with new dimension for the fourth fin



  25. Step 25:


                       Create the sketch as shown below


                       Extrude the sketch as shown below with depth value 9.22mm


                       Create an axis pattern as shown below with 4 instances for previously created extrude

  26. Step 26:


                       Create rounds as shown below with r=0.3


    Create another rounds at the selected section as shown below with r=0.5mm and repeat the same for all other fins


  27. Step 27:


    Create the sketch as shown below with specified dimensions on the referenced face below and extrude with a depth value of 12mm




                       Creates round as shown below with specified dimensions



  28. Step 28:


    Create sketch as shown below with specified dimensions and remove material using extrude option also create pattern



  29. Step 29:


                       Create sketch at the selected faces as shown below


                       Now create extrude cut using remove material with depth of 25mm


                       Now create another sketch as shown below


                       Extrude it now with a depth value of 0.25mm


                       Now create round at the selected edge as shown below

  30. Step 30:


                       Create a Datum plane from the selected extrude feature with translation distance of 2mm


                            Create sketch as shown below use references options in setup group to make it simple


    Now extrude with depth value of 1mm and mirror it on other side also pattern it as shown below




                       Create round as shown below with specified dimensions



                       Now create sketch as shown below and remove material using extrude tool




    Create another sketch as shown below with specified dimension and do extrude cut again using through all option



    Create another sketch and do extrude cut with depth value 0f 28mm again as shown below



                       Create the following sketch and create pattern as shown below



                       Create rounds on the holes created as shown below

  31. Step 31:

                       Create sketch as shown below and create extrude feature with depth value of



                       Now remove material up to last using the extrude tool


                       Create rounds on the edges of the circular section as shown below


                       Now create sketch at the selected face and create an extrude cut using remove material with depth value of 15mm



    Now create sketch as shown below and create extrude cut using remove material also mirror it on other side


                       Added some contents to the model further and create an engine case shown below


    Final Model


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