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guide to get correct method and flat length for this model

Question asked by K. Bhoopathy on Aug 23, 2013
Latest reply on Aug 26, 2013 by Bernie Daraz

Dear SOLIDWORKS Sheet Metal Users,

 

I am writing a request to guide to get correct method and flat length.

 

Inputs:

 

Inner dia + Mean dia * Pi

Pi = 22/7

k factor = 0.5

Inner dia = 1500mm

thickness = 8mm

Height = 1000mm

 

Methods we followed:

 

1) By solid using revolve option 359 deg, we are getting flat length as 4724.36mm

2) By sheet metal base flange option, we are getting flat length as 4737.02mm

 

Herewith i have attached the related models.

 

Whereas actual flat length result as :

 

inner dia + mean dia * pi

 

1500 + 8 * 3.142857142857143 = 4739.428571428571 mm

 

 

kindly guide me.

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