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visu1-Visitor
1-Visitor
January 23, 2014
Solved

WHIRL MIXER

  • January 23, 2014
  • 15 replies
  • 8330 views

Dear Folks

I have received a drawing from customer.

I can't understand the drawing, Please guide me.

I have attached screenshot please view it and give your valuable commens.

Regards

Viswanathan.K

1234.JPG


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Best answer by TomD.inPDX

Technically, this is what the drawing defines without further information. No method of attachment of the vanes. Also, dimensions b & c are assumed as 30 and 50, although it leaves a non-circular center. Post machined? Are b & c accommodation values to better represent a circular center and circumference?

If the original drawing is a DXF, you should be able to get b & c values, but looking at the drawing, and the vane thickness of the other vanes in the section, I might not trust that either.

swirl_plate.PNG

15 replies

Dale_Rosema
Dale_Rosema23-Emerald IV
23-Emerald IV
January 23, 2014

It looks like an air diffuser plate. The outside circle is a "plate/ring" of material. The inside eight items are vanes that once cut (probably laser cut) are bent on a 30 degree angle. with the edge of the vanes still attached to the "plate/ring". I saw them a lot in the boiler industry to create a swirl in the air stream to mix air and fuel for combustion. The inside circle is a void - or absence of material.

Thanks, Dale

    TomD.inPDX17-Peridot
    17-Peridot
    January 23, 2014

    The drawing is certainly not complete... is it a stamping, is the vain interface to the disk welded? Essentially, the details of the transition is missing. If it is formed, then the internal tooth star washer is agood example.

      Dale_Rosema
      Dale_Rosema23-Emerald IV
      23-Emerald IV
      January 23, 2014

      The boiler company I worked for had been around since 1865, and we had drawing that were 100 plus years old. Some took training from one builder to the next to understand how to fabricate it from the 2d drawings.

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