How to pattern linear and circular at the same time?

sumithkarun

3 Aug, 2012 05:50 PM

This type of pattern could be solved creating a 3D curve (Helix) and patterning datum point on the curve,as I have explained below

1. Step 1:

   1- Create a sphere of dia 10mm and put a datum point on the center
   

   

2. Step 2:

   2- Create an assembly , and create a curve using equation
   x=200*t
   y=50*sin(6*t*360)
   z=50*cos(6*t*360)

   For a helix with a r=50 and a height of 200

   The radius and height varies upon your need
   

   

3. Step 3:

   3- Create a datum point on the curve (length ratio =0) , this is the point where you mate/assemble the part
   

   

4. Step 4:

   4-Pattern the datum point , using dimension pattern . The no of items depends upon designers descretion, I have choosen 21 items at 0.05 length ratio increment.
   

   

5. Step 5:

   5-Assemble the sphere coinciding the point together
   

   

6. Step 6:

   6-Select the part and click the pattern icon, automatically Creo goes for reference pattern .