![]() A ball joint has two degrees of rotational freedom: pitch and yaw. It is useful for joining two components so they can rotate while sliding across the plane.īall. It allows two directions of translation in a plane and a single rotational direction normal to that plane. ![]() A planar joint allows three degrees of freedom. A pin slot joint also allows two degrees of freedom, but components can rotate around different axes. Components joined with a cylindrical joint always rotate around the same axis. A cylindrical joint provides two degrees of freedom: one translational and one rotational. Options are similar to revolute joint options, except that components slide along the selected axis rather than rotating around it.Ĭylindrical. It is used for components that slide along one another. A slider joint has a single translational degree of freedom. This joint can rotate around the standard X, Y, or Z axis, or around an edge in the model (a custom axis). A revolute joint has a single rotational degree of freedom, much like a hinge. A rigid joint fixes two components to one another. When you insert a joint between two components, you choose one of the following types: ![]() Each joint uses the number of degrees of freedom needed for the intended motion. This approach allows you to obtain the required degrees of freedom all at once, in one command.Ī joint allows a component to move translationally (back and forth) along the X, Y, or Z axis or to rotate around one of these axes. In contrast, with Fusion 360 you begin by limiting all degrees of freedom and then select a joint motion type that specifies degrees of freedom. With other CAD tools, you use a constraint or mate to limit one or two degrees of freedom at a time, then add constraints or mates until you have enough degrees of freedom. About joints in Fusion 360įusion 360 defines relationships between components by using joints and as-built joints, and joint movement provides degrees of freedom. In Autodesk Fusion 360, joints define the relationships between components in an assembly.
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