how to convert Revit to Autocad DWG
Revit 2015 Exporting to AutoCAD DWG.
Then select the button to the right of Export Setup.
In the Dialogue box, change the load Layer Standards, to any standard you want. You also change other settings on the remaining Tabs.
When complete select ok
In the next dialogue box change the Export field to <in session view/sheet set> and the Show in the list to Views in Model and all the views will appear in the dialogue box so that you can select the ones you wish to export
The final part of the process is to choose the location where you wish to save the DWG files and select OK