Are you a designer or another professional in the timber construction sector? Then this article might be of interest to you.
We will try to make an analysis based on our experience in the field and focused on numerically controlled working centres (CNC) and joints between wooden components forming joining systems, outlining the limitations.
Numerically controlled working centres: a revolution in the industry.
Technological progress over the last decade has brought significant improvements in CNC woodworking centres. The use of advanced calculation programmes and CAD-CAM, interfaced with CNC machines, has made the virtual design of efficient joints for wooden structures possible. This innovation not only simplifies the design process, but also reduces errors during processing.
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Joint optimisation and numerical control: a strategic combination.
Joints and carpentry knots require special attention, considering their ideal static behaviour and possible degradation over time.
As an organic material, wood presents inherent challenges related to its anisotropy and perishability. Therefore, the design of joints has to take these factors into consideration, while looking for innovative solutions to ensure efficiency and durability.
Knowledge gained from construction studies has revealed us the fundamental importance of edge-free joints, where stress concentrations generally tend not to occur or are greatly reduced.
Accepting challenges and winning them with new technologies.
Today, this can be achieved thanks to the possibility of processing surfaces, also of complex geometry, using CAD software, creating a fundamental link with mechanics through numerically controlled working centres.
CAD optimised joints, with particular attention to edge smoothing, can be effectively realised using a properly designed, equipped and managed CNC, with the guarantee of meeting design limitations.
The integration of working centres with fully integrated software in the industry’s most popular CAD systems enables virtual simulation of processes in advance. This, after verification, contributes significantly to ensure the accuracy of operations before their actual execution, with significant benefits in terms of productivity, cost control and quality of work.
The designer who is aware of these possibilities can raise the level of complexity and innovation of his own structural works, taking full advantage of the potential offered by modern woodworking technologies through computerised machines.