Renishaw Extends ParaMatters Collaboration

The partnership now extends to optimized lightweighting and automation of metal additive manufacturing.

The partnership now extends to optimized lightweighting and automation of metal additive manufacturing.

Image courtesy of Renishaw.

Renishaw extends ParaMatters collaboration for optimized lightweighting and automation of metal additive manufacturing. Renishaw is working with ParaMatters to give manufacturers access to manufactured metal 3D printed parts.

ParaMatters’ CogniCAD cloud solution enables users to easily upload part geometries for optimisation and automatically produces lightweight macro, meso and lattice structures using generative design principles backed up with finite element analysis (FEA) validation. CogniCAD users can simply upload their part and follow the intuitive CogniCAD workflow and user-friendly interface to prepare a printable model.

Renishaw has previously used CogniCAD to reduce the weight of the upper mounting bracket for ECOSSE Moto Works’ motorcycle, the Nightstalker. Here, the two complementary technologies are used together to produce lightweight and structurally robust components, according to Renishaw. 

“We worked with Renishaw to establish a smooth workflow that made it possible to automate the entire process from design to manufacturing,” explains Michael Bogomolny, co-founder and CTO of ParaMatters. “CogniCAD uses topology optimization, computational geometry and high-performance computing to autonomously generate designs that are adapted to make the best use of AM.”

ParaMatters produced a design for the motorcycle bracket, which included a lattice structure to reduce the weight of the part. Once redesigned, the bracket’s structural performance was validated using FEA, provided by CogniCAD, and assessed by fitting it onto the motorcycle. The results exceeded expectations. The final bracket was 35 per cent lighter than the original part, the maximum stress was 20% less and the fundamental natural frequency of the part was 2% greater. 

In a new extension of the collaboration, Renishaw will use CogniCAD at its AM SolutionsCenter in West Dundee, Chicago. ParaMatters will join Renishaw’s network of software vendors and will provide a “Click to Print” functionality from CogniCAD. This will enable design review and printability assessment by Renishaw experts before additive manufacture commences. ParaMatters will also have access to Renishaw additive manufacturing (AM) systems for joint customer projects.

“Generative design has a clear role to play in lightweighting parts that cannot be produced by computer numerical control (CNC) machining alone,” explains Stephen Anderson, AM business development manager at Renishaw Inc. “However, for many manufacturers, the initial investment required to perform such optimisations is too high. By working with ParaMatters potential users can easily try topology optimization, see the results and then engage with Renishaw to assess final suitability for additive manufacturing.”

“We successfully use Renishaw to additively manufacture ParaMatters optimised designs and have been really impressed with the results,” comments Bogomolny. “We have developed CogniCAD, Meta-Materials Compiler and our new Unique Meso-Structural Designer, that can be used to develop realistic bone-like structural implants—all with simple web-based GUIs allowing for the fast creation of optimal, FEA checked, components. We believe working with Renishaw and implementing 'Click to Print' in our offering will help open up ever wider markets for metal additive manufacturing and our software.”

Sources: Press materials received from the company.

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