×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Flat Pattern of Fan Blade

Flat Pattern of Fan Blade

Flat Pattern of Fan Blade

(OP)
I am trying to figure out the flat pattern of the blade for the following fan.  I have been successful in creating the solid model, but I cannot figure out how to make the blade into sheet metal.  I have tried several methods and the closest I got was making the blade out of a surface (using multiple trim features), and then thickening the blade.  I should be able to make the blade from two bends.  No matter what I try I cannot get the bottom portion of the blade to bend properly.  Can you guys offer any suggestions on how to do this correctly?

RE: Flat Pattern of Fan Blade

Can you post the fin file for download?

cheers

RE: Flat Pattern of Fan Blade

Just as a thought... Those fins could be created by using a sheetmetal loft then using whatever series of cuts to your calculated shape of the fin, then you can generate a flat pattern.

   {o,o}
   |)__)
   -"-"-
   "que?"

Work: Dell Precision 380-PENTIUM D 840 -PNY QUADRO FX3450 Drivers 77.56-2GB RAM--SW2007 SP1-RHINO 3.0 SP5
Play: Intel X6800 Core 2 Extreme - Asus P5W64 WS Pro i975X -2GB Corsair XMS-EVGA NV7900GTO(Mod. GTX Bios , FW93.71)-74GB Raptor-250GB WD Caviar

RE: Flat Pattern of Fan Blade

If you are using the surface of the main body (the funnel shape) to cut the fins, the resultant cut will create a bevelled edge on the fin, and that will prevent the fin being flattened.

You will need to somehow make a "normal" cut across the fin.

cheers

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources