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Connection Detailing in SOLIDWORKS 2022

Thursday December 23, 2021 at 9:02am

What is connection detailing?

Connection detailing is the principal way of joining beams and columns in structural engineering. They are fundamental components of structural design and work to transfer loads, reduce movement and provide stability.

You’ll commonly see them used in timber and steel framed buildings as plates, hangers, and brackets, usually bolted and/or welded to the structural members.

To understand their mechanical properties and performance, structural beams and connections can be simulated within SOLIDWORKS. Check out this video on structural beam simulation in SOLIDWORKS to learn more.

What connections can I add in SOLIDWORKS?

SOLIDWORKS 2022 comes with a few sample plates and brackets to get you started, but you can create any connection element you want!

It’s as simple as making a part file and defining a few positioning references within it. We’ll walk you through the process - we took this timber-framed stable that we created with Structure Systems and added some connection elements to it.

SOLIDWORKS Sample Connections

How do you make connection elements in SOLIDWORKS?

Design your connection element – it might be a part you design and manufacture yourselves, or a standard part that you buy in. Just like with weldment profiles, we can build our own library of connection details. Here we’re working with a steel hanger for timber beams.

There are two main ways of creating connections in SOLIDWORKS: with configurations or dimensions.

With configurations we can establish a variety of different forms that fit about common position references and choose between them in a drop-down menu.

Using dimensions allows us to change specific dimensions of the connection element when positioning. The two can be combined for an additional level of control.

How to define connection elements in SOLIDWORKS

Once modelled, the connection elements needed to be defined. Defining connection elements allows us to specify faces and features for use when inserting and positioning them on structures.

Having enabled the Structure System tab and selected Define Connection Element to turn a standard SOLIDWORKS part into a connection element, we specified our connection placement type.

The placement type determines how many position references we can select. End connections only use one primary reference for the end of a structural member, while the generic connection provides us with more flexibility when positioning.

With three references to choose, we wanted to select those that make the most sense for positioning. Our primary reference is the plane that the connection fits against, and selecting the right plane as the secondary reference ensured the hanger would remain centred about the structural elements. The tertiary reference would be used to determine the vertical position of the connection.

Mate types can be selected within the Property Manager for the references - coincident mates were appropriate in this instance, but we can also choose from concentric and parallel mates, depending on a structural member's shape and connection type.

The Feature Propagation box lets us select features that we want to have an influence on other bodies when the connection is inserted. This is useful when we have holes in a connection element that also cut into or through the structural members.

We selected the features to propagate from the viewport and Feature Manager Tree drop down, before saving and closing the file. Connection element files cannot be open while trying to insert them.

Next we created a connection element with the dimensions option. Under the dimension tab, we can create groups of named dimensions that we can alter when we insert the connection.

We renamed desired dimensions in the sketch to something logical, and created appropriate groups for them when defining the connection element.

Dimension groups for Connection Elements in SOLIDWORKS 2022

Dimension groups are a great feature if you need to manually adjust the size of a connection while viewing the structure or are working with several flexible dimensions, however, configurations are recommended to keep sizes consistent across all models.

With our connection elements created, it was time to add them to our library.

Where is the connection element folder?

All created connection elements needed to be copied to the Structure System – Connection Elements folder. This is typically located within your C: Drive > Program Files > SOLIDWORKS Corp 2022 > SOLIDWORKS > data.

We recommend creating a simple folder structure within there to stay organised. Top level folders will be Standards and should only include part files.

SOLIDWORKS Connection Library

Inserting connection elements in SOLIDWORKS

When it comes to inserting connection elements into a design, SOLIDWORKS 2022 has made it exceptionally straightforward.

Under the Structure Systems tab, we selected Insert Connection element. A familiar Weldment-like menu shows in the Property Manager.

The standard menu browses the top-level folders in the connection elements folder, the type is the file name, and the size is determined by the configurations within a connection element part.

Once we chose our size, we could then position the element. Selecting the placement tab initiates the primary reference locator. These references relate to what we defined when creating the elements.

Inserting Connections in SOLIDWORKS 2022

When selecting references, the planes of structural members become visible for easy selection. We chose the appropriate faces for each reference, adjusted alignments and added any offsets as required.

The Cut Scope allows us to select which bodies we want to be affected by the propagating cuts, so we selected our various structural members which needed holes cutting through them.

Connection elements sit in the Feature Manager Tree as new features and can be edited to change or modify the detailing element and position. Be aware that connection detailing is currently only compatible with structural members created in Structure Systems and not with Weldment bodies.

With SOLIDWORKS 2022 it’s simple to add and manipulate connection detailing on structures. Check out the finished product render after passing our model through SOLIDWORKS Visualize to see the full power of SOLIDWORKS 2022.

Nativity Scene Rendered with Visualize 2022

Why not take a look at more great new features coming in SOLIDWORKS 2022?

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