

Emil Rindell

Jonas Bryntesson

Henrik Andersson
2020-02-04

Emil Rindell

Jonas Bryntesson

Henrik Andersson
2020-02-04
IRONCAD is built on the principle of not having to use constraints (locks/relationships) between parts in space. So it is not a requirement, but there is a possibility, to use these constraints which in most other 3D CAD systems is a direct requirement.
Simply explained, it is a way of placing one's parts in space in relation (constrained with) other parts. These constraints can accurately visualize how your parts and assemblies would work with each other in the real world. Lock some of the parts together with constraints and select the mechanism mode tool (Mechanism Mode), which gives you the ability to move the parts/assemblies by dragging them with your mouse or TriBall and works with positioning constraints to ensure your design has the correct tolerances and fit.
However, it should be borne in mind that every constraint added whill in turn severely limits features such as TriBall, handles, etc. The constraint approach is usually referred to as one's Design Intent ("how do I want this to work") and is very good in fully predictable designs, but often very counterproductive in the early design phase and when unexpected changes are needed.
TheMate and Align tools are used to match surfaces to each other in different ways. Either along or against a surface.
The Coincident andConcentric constraints use circular surfaces to ensure that they are always in contact with each other.
TheParallel andPerpendicular tools are used to ensure that the edges of a part can be either parallel or perpendicular to the edges of another part.
Tangent creates a constraint that ensures that the round surface is always tangent to the other selected surface, which can be flat or round.
Distance creates a constraint that keeps one part/assembly a certain distance from the other selected part.
The Angle command ensures that an angle is maintained.
Follower/CAM is used when the constraint should follow a surface like a camshaft.
Pin/Slot follows the path of the track while allowing the pin to rotate freely.
If you want to learn more about how Constraints and IRONCAD work together, check out this page:
https://www.ironcad.academy/tutorial/positioning-constraints
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