Assembly of Components

Assembly of Components

kevinwatts
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Message 1 of 7

Assembly of Components

kevinwatts
Collaborator
Collaborator

I am trying to grasp the concepts before moving ahead to assemble and associate the parts/Bodies that I have created.

1. In my work flow I have first primarily focused on creating bodies.
2. Next, my understanding is that I need to create Components from those Bodies.
3. Then I will be able to position, assemble and associate each Component in relation to each other.

 

My questions are:
1. Base on the above, am I going in the right direction?
2. How will moving the components affect the original bodies under the project in the Browser?
3. How will moving or editing Bodies affect the Components? I do not seem to be able to copy/move Sketches in to the Components. That would be nice.
4. Once I set up the Components is it best to work with them if changes are needed?

 

Ref. for others - Components and Bodies in Fusion 360

 

Tutorial: How to create bodies and components
http://help.autodesk.com/view/NINVFUS/ENU/?guid=GUID-C1D4C0D8-2695-4D88-8E90-2FF85B4FD47B

 

What is the difference between bodies and components?
http://help.autodesk.com/view/NINVFUS/ENU/?guid=GUID-E37B0456-A867-429F-BF69-6A4626DD31E7

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Message 2 of 7

TannerReid
Alumni
Alumni

Hi, Kevin,

Thanks for reaching out!  I've written a more comprehensive overview, and then below is a copy of your questions with shorter, explicit answers.  Let me know if it answers your question!


So, components are very similar to "parts" in an "assembly."  They can contain construction geometry, bodies, sketches, decals, etc.  The key to these components is that each component has its own origin.  So, anything inside of that component (like one of the bodies you've been working on, for instance) is defined in relation to the origin of the component.  The component's origin is then defined in relation to the global origin.  So, moving the component will move its origin and everything in it relative to the global origin, but INSIDE the component, the bodies, etc, will remain in the same position relative to the component's origin.

If you edit a body, it will edit it within a component, and will look like the same result as if it were edited while not in a component.  But, if you copy-paste components, they'll show up as instances (shown below) with the component name, followed by a :n, where n is the particular instance.  Changing a body in one of these instances will change the body in all of the instances, much like a referenced part file.

comp.tiff

 

If you hover over a component in your browser, you should see a whtie dot to the right of it.  If you click it, it will activate that component, so that any work you do (creating sketches or bodies, etc) will automatically happen within that component.  To deactive it, you just activate the global file, by click it's white dot at the top of the browser.

 

crop.png

 

Once you have more than one component, you can ground one (fix it in the global space), and beging making them interact.  Joints work between components (not bodies), but the joints are defined by reference geometry in the component (like the edge of one of its bodies, or the inside face of a cylindrical hole).  Here's a quick video on joints if that's helpful:  https://www.youtube.com/watch?v=LN4bvjfxQ4c  It aslo discusses how you can align components as well.

 

YOUR QUESTIONS:

 

1. Base on the above, am I going in the right direction?  
Absolutely!  Good call.


2. How will moving the components affect the original bodies under the project in the Browser?

Bodies in the component will move with the component - since they're in a component now, they're now defined in relation to its origin, not the global origin.


3a. How will moving or editing Bodies affect the Components?

Moving or editing the bodies will change the bodies accordingly within that component.  If you move just the body, as opposed to the whole component, it will redefine that body in relation to the component's origin, so the component (and it's origin) won't move, but the body will move around within the component, essentially.

 

3b. I do not seem to be able to copy/move Sketches in to the Components. That would be nice.

You should be able to click-and-drag a sketch or body in the browser and drop it into a component.  Let me know if that doesn't work, and we'll do some diagnosing.  You can also create a sketch directly in a component by activating the component first.


4. Once I set up the Components is it best to work with them if changes are needed?

Every model requires different strategies, but I tend to setup a component as soon as I can.  They make alignment and manipulation much easier if you want multiple parts to move together.  Plus, most models need copies of parts that reference each other, and components allow for that.  I have other thoughts on strategies and best practices when it comes to components, so let me know if you're interested and I'd be happy to elaborate more.

I hope that was helpful! Again, let me know if I didn't answer your question, or (as is often the case) you have new ones!

Enjoy yourself,
Tanner


Tanner Reid

Product Design Engineer

Message 3 of 7

kevinwatts
Collaborator
Collaborator

Thank you Tanner. Clear and detailed explanation.

 

Tommorow, I am hoping to start organizing the components are relationships between them. I was not able to copy/paste Sketches form the main Browser to the Components. I will try again. I was able to develpe a temporary work-around incase.

 

If you want to share your other thoughts on strategies and best practices when it comes to components that would also be appreciated. I am enjoying Fusion 360 and have a lot of work ahead using the program.

 

Regards,

 

Kevin

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Message 4 of 7

kevinwatts
Collaborator
Collaborator
Also, with regard to modifying the component versions... in your example what if you edit in say, version 3. Will version 1 & 2 be affected or just 4. Or does it depend on what you used to copy from? Does this also apply to copies/versions of bodies within a component.
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Message 5 of 7

kjellhar
Advocate
Advocate

Hi Kevin,

I'm not an expert, but I have been through some of the rough spots trying to learn this tool.

 

About moving sketches and bodies between components. Some times you can and some times you can't. At first it seems like a random thing, and it took me a while to understand at least part of it (At least I think I understand it). If you make a sketch, and then use that sketch to create or manipulate a body, it seems like you can't move that sketch from one component to another. I'm guessing they lock it down to prevent breaking some dependencies. This is important when you structure your design, because you may end up not being able to organize things the way you want if you start out wrong. There may be ways, like going back on the time line and fixing things, but chances are that you then have to start fixing downstream errors that are caused by this. Sure it's possible, but very frustrating. 

 

As for moving bodies, I still haven't really figured out why I some times can't move them. It may be a similar reason.

 

Anyway, the important lesson here is to plan you design structure really well before you start drawing, and make sure you get everything in the right place the first time. Later on, when the time line gets really long, you don't want to fix it.

 

Good luck,

Kjell

Micro electronics expert, CAD/CAM enthusiast
Message 6 of 7

Oceanconcepts
Advisor
Advisor
Accepted solution

Hi Kevin, this is a good question. The distinction between components and bodies is important in Fusion, and not obvious at first- Tanner provides a solid and concise explanation. My experience is that the sooner you put elements into component form the easier your organization will be. In general, create components as soon as you know there will need to be a distinct element in the assembly.  And use sub-components to further organize designs where appropriate. Also use the “Activate Component” command freely- that will place sketches, bodies, construction elements, and other design features inside the component on which you are working. That will help- a lot- to keep the design logical and organized. 

 

I will second what Kjell says, and add that the ability to perform tasks like moving sketches can depend on whether you are in direct modeling mode or history (timeline) mode.  My experience has been that in history mode once you have used a sketch to create a history based body, the sketch wants to stay put. In general, in direct modeling (entered by right clicking on the root component and selecting “do not capture design history”) there is quite a bit more freedom, and you are able to move sketches at will. However, in direct modeling those sketches are not linked to the bodies created using them, so editing the sketch afterwards won’t update those bodies. I find, at least for the kind of work I’m doing, that this freedom is helpful when I’m just noodling around trying to develop an idea or relationship between different design elements. If you have a clear idea of the design to start with, or have reached that point where you are fine tuning contours, for instance, history based (parametric) modeling can allow you to more easily fine tune models while maintaining relationships between features. Kequing’s recent tip video posted in the blog section on creating bends illustrates this very well. https://www.youtube.com/watch?v=hicToIPxYJI

 

I believe this multi-faceted interface is one of the strengths of Fusion- though it may make Fusion harder to get a handle on initially.  There are tool sets that allow great freedom when you are conceptualizing or trying out ideas, and much more refined and precise tools when you want to put those ideas into final form, or apply consistent values, like draft angles or tolerances, across a range of components. 

 

Regarding another question I think you are asking, if you copy/ paste components you can do that as either a straight copy, in which case the component(s) will be linked to the original and editing one will alter the other, or Paste New, in which case the link is broken and each can be edited independently. You can also use the “Make Independent” command to break these links down the line. So the answer to your question is “it depends”. If you want the components linked, you have that option, if you want them independent, you can do that as well. 

 

- Ron

Mostly Mac- currently M1 MacBook Pro

Message 7 of 7

kevinwatts
Collaborator
Collaborator
Thank you all for the great input and insights. Much appreciated!!
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