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Dimension, Tolerances and Assemblies - Coggle Diagram
Dimension, Tolerances and Assemblies
Dimensions in Drawings
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Rules
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Dimension, Extension and Object outlines should not cross or overlap
Tolerances
Importance
If not given, exact measurement must be made. Rejection rate will be very high and is not realistic.
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Assembly Modelling
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Joints in Fusion 360
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Revolute
has a single rotational degree of freedom, much like a hinge. This joint can rotate around the standard X, Y, or Z axis, or around an edge in the model (a custom axis).
Slider
has a single translational degree of freedom. It is used for components that slide along one another. Options are similar to revolute joint options, except that components slide along the selected axis rather than rotating around it
Cylindrical
provides two degrees of freedom: one translational and one rotational. Components joined with a cylindrical joint always rotate around the same axis.
Pin Slot
also allows two degrees of freedom, but components can rotate around different axes.
Planar
allows three degrees of freedom. It allows two directions of translation in a plane and a single rotational direction normal to that plane. It is useful for joining two components so they can rotate while sliding across the plane
Ball
has two degrees of rotational freedom: pitch and yaw. Pitch allows components to rotate around the Z axis. Yaw rotates components around the X axis.