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Good Dimensioning Techniques Using Solidworks?

Tutorial by 46a01e21
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Good practice sketching and dimensioning.

  1. Step 1:

    A sketch for a revolve with all dims added for lengths - ordinate dims used.

  2. Step 2:

    It is tempting to use a dimension for the vertical lengths as shown. But is this what you would want in a drawing? Or would you rather use diameter dims?

  3. Step 3:

    To add doubled dimensions you need to add a centre line - this is best practice for revolve features anyway.

  4. Step 4:

    Using the centre line (not the end point of the line) and the feature you wish to dimension can still be a radius value - place the dimesion on the same side of the centre as the sketch

  5. Step 5:

    To add the dimension as a diameter place the dimension on the other side of the centre line, away from the sketch.

  6. Step 6:

    On later versions of SW's the diameter dimension is automatic now - just click and place the other diameters. If you want to stop adding diameters press esc once.

  7. Step 7:

    Sketch fully defined with ordinates and diameters - perfect if you want to use model items in the engineering drawing, much better than random dimensions and save teh need to divide all diameters by two!

  8. Step 8:

    The revolve - not that special but the work done is as your engineering manager would want to see!

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