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# How to pattern linear and circular at the same time?

By KONAN on 03 Aug 09:43 3 answers 1920 views 1 comment

How to pattern a part in assy along axis (by distance) and circular (by angle) at the same time, similar to spiral (step and revolution)?

• over 1 year ago

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

#### Attachments

curve_pattern.rar, 106 KB
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

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 .

• over 1 year ago

In Solidworks you can pattern along a sketch as above, but you don't need datum points.

• over 1 year ago

I'm not exactly sure if this will help but when I was making my Baseball I made the path first and did a patern along path. That way you can just draw a 3D sketch where you want your pattern to go.