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Tutorial: How to make engine part 32

Tutorial by Aykut Dana
Small

CYLINDER HEADS

  1. Step 1:

    open a sketch on the shown surface

  2. Step 2:

    draw two circles

  3. Step 3:

    add shown line. it must be tangent with the circle that on the left and it must be coincident with the on the right circles top point.

  4. Step 4:

    add this line

  5. Step 5:

    add shown lines like before ones

  6. Step 6:

    use trim command

  7. Step 7:

    use skecth fillet command

  8. Step 8:

    add two circles

  9. Step 9:

    extrude it by 2 mm

  10. Step 10:

    we will make same things for this side. open a sketch and draw two 18mm radiused circles

  11. Step 11:

    insert these lines

  12. Step 12:

    use trim command..

  13. Step 13:

    use sketch fillet command then draw two circle like before.

  14. Step 14:

    extrude it by 2mm

  15. Step 15:

    now we will use cut-loft command. be sure that these sketches are shown

  16. Step 16:

    open cut-loft command and select the smaller circles for profiles

  17. Step 17:

    select the centerline

  18. Step 18:

    use cut_loft command on the other side.

  19. Step 19:

    make the guide lines parallel with the each other. if you don't do that, your cut-loft shapes will be irregular

  20. Step 20:

    select the centerline and confirm that

  21. Step 21:

    use right plane and mirror the cut-lofts

  22. Step 22:

    open a sketch on the shown face

  23. Step 23:

    draw two circles

  24. Step 24:

    add shown lines

  25. Step 25:

    use trim command

  26. Step 26:

    use cut-extrude command with shown values

  27. Step 27:

    make same things for the other side. you should use convert entities command and select shown edges

  28. Step 28:

    cut the body like shown

    next: http://grabcad.com/questions/tutorial-how-to-make-engine-part-33

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