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A
ahill-31-Visitor
1-Visitor
January 10, 2013
Question

Copy/paste group of holes

  • January 10, 2013
  • 4 replies
  • 6658 views

I am designing this radial engine (see image), and have to put in the holes for the cylinder heads all around the crankcase. As you can see I have put in 8 of the holes, but I have to repeat this process 4 more times for a total of 40 holes. Is there an easy way to copy the holes in groups and move them to the other faces? For example take the group of 6 on the left face, and copy them as one unit. Thanks

    4 replies

    R
    rohit_rajan15-Moonstone
    15-Moonstone
    January 10, 2013

    if this is what you are looking for, then group the holes and use the pattern option.

    pattern.jpg

    T
    TomD.inPDX17-Peridot
    17-Peridot
    January 10, 2013

    You can pattern holes about an axis. You sometimes have to group features to make sure the pattern option is available for multiple features. Sometimes pattern can be a bit touchy but you will get the hang of it.

    Good patterning habits will also help you when it comes to assemblies. Patterned holes can drive patterned assembly parts such as fasteners.

    T
    TomD.inPDX17-Peridot
    17-Peridot
    January 10, 2013

    This might give you an idea of how these were grouped and patterned: This is Creo/Pro 2.0

    PatterningRadialHoles.JPG

    Center large hole grouped with patterned bolt circle (5x)

    Linear patterned side holes (2x)

    Grouped holes from both faces

    Patterned group (6x)

    H
    HugoBarosa1-Visitor
    1-Visitor
    January 10, 2013

    Hello!

    Have u tryed to do a copy / past special ? This would be the thing that prefer because patterns of patterns never a good idea since u can have to change some things in midle and that will be a problem.

    Hugo Barosa

    A
    ahill-31-VisitorAuthor
    1-Visitor
    January 10, 2013

    Wow, thanks guys, this pattern feature is really neat! It worked excellently.

    Patriot_1776
    Patriot_177622-Sapphire II
    22-Sapphire II
    January 10, 2013

    Of note, you can create a group and pattern it as mentioned, or you can "reference" pattern the smaller holes to the large hole. This allows a little greater flexibility.

    T
    TomD.inPDX17-Peridot
    17-Peridot
    January 10, 2013

    Good point, Frank. I am not sure which method is more stable in the long run.

    Glad we could help, Aaron!

    Patriot_1776
    Patriot_177622-Sapphire II
    22-Sapphire II
    January 10, 2013

    I think the reference pattern gives more flexibility, as if you have a group of 5 things to pattern, you can delete one of the middle ones an not have an issue, whereas you'd have to delete the patterened group, then ungroup, delete the feature, then regroup, then re-pattern.

    Of note, I've had some instances where a patterened group wouldn't work, so I HAD to reference pattern some features, but have also has the reverse case happen. In my album posted here, I modeled a prototype Coke bottle with a handle, and had that exact issue trying to pattern the grooves. THAT was a fun model......especially having to tweak it to get it to shell as thin (.010 I think) as I did.

    But, I wonder if you could actually cheat and select all the instances of a feature in a patterned group and have them not regenerate. Hmmmmmm.......

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