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MBFZ toolcraft GmbH

www.toolcraft.de
toolcraft Logo

toolcraft is a trailblazer in pioneering technologies such as 3D printing in metal and the construction of individual turnkey robot solutions. Here, the company provides the entire process chain in-house from the idea, to production, right up to the qualified part in the areas of CNC machining, 3D printing in metal, as well as injection molding, electrical discharge machining, and mold making. Customers include market leaders from the fields of semiconductor technology, aviation and aerospace, medical technology, the optics industry, specialist mechanical engineering, as well as motorsport, and automotive technology. The medium-sized family company based in Georgensgmünd and Spalt, Germany, was founded in 1989 by Bernd Krebs.

Number of employees

286

Industry

Manufacture of precision components along with automation solutions

Sales

EUR 37 million

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Applications
  • 3D printing in metal (Laser Metal Fusion, Laser Metal Deposition) laser marking
TRUMPF products
  • TruPrint 3000 TruLaser Cell 3000 TruMark Station 7000

3D printing meets the aviation and aerospace industry: Nadcap certification

The company toolcraft from Georgensgmünd in Middle Franconia in Germany manufactures high-end precision parts, components, and assemblies for different high-tech industries. Here the family company considers itself as a pioneer for new, innovative production technologies such as additive manufacturing and customized turnkey robot solutions. Together with partners from industry, as well as research institutes, and universities, toolcraft aims to develop complete solutions that are pioneering in their field. A crucial area is the aviation and aerospace industry, for which the company regularly undergoes certification processes.

 

Challenges

In order to be allowed to produce components for the aviation and aerospace industry, the entire production environment of manufacturing companies has to undergo comprehensive certification. At the center of this is Nadcap (National Aerospace and Defense Contractors Accreditation Program), a unique association of companies from the aviation and aerospace industry. Together they aim to ensure a standardized high level of quality within the sector and to implement special production processes in as cost-efficient a manner as possible. toolcraft was one of the first European companies that decided to go through the difficult Nadcap certification for 3D printing with metals in order to give themselves the competitive edge against their competitors in the industry. Successful certification involves documenting and creating transparency for the numerous process steps which take place before, during, and after the LMF process with the 3D printer. Complete proof of the powder used is part of this process, along with verifying the component quality through an optical and tactile non-destructive surface test. Special attention is also placed on the LMF process. In addition to the monitoring of oxygen levels and air humidity in the build chamber, it must be verifiable, for example, that the laser power and shape of the laser beam within the TruPrint 3000 3D printer are coordinated in such a way that every part produced in it is exposed in precisely the same way.

"TRUMPF has a clear advantage in that they develop the laser themselves, and know how to handle the medium. In conjunction with the highest standards for their own machines, for us, the company is the perfect partner in the field of 3D printing with metal."

Christoph Hauck
Managing Director of toolcraft

Solutions

Preparation is key – especially when it comes to the Nadcap certification. TRUMPF proactively supported toolcraft before the audit "with ideas, solutions, and suggestions", in order to furnish the quality assurance proof throughout the entire process – before, during, and after the build job. For this, TRUMPF employees examined the Nadcap question catalog intensively, and developed testing procedures such as the path precision analysis or laser power measurement. The actual machine is of course part of the audit. Here toolcraft was able to completely rely on TRUMPF as the laser and mechanical engineering specialist. As a result of their extensive expertise and decades of experience in laser technology, TRUMPF also guarantees the utmost quality and process stability for the actual beam source and all of its individual components.

Implementation

toolcraft has, amongst other things, its own laboratory with extensive equipment to verify the quality of the powder and components. Oxygen and nitrogen in the powder or the solid welded body can be analyzed, for example. Powder management is a central element for Nadcap. The company also uses its own tensile testing facility and has installed fatigue strength facilities. Another factor to the success of the certification was TRUMPF's overall concept. Here, the maintenance and upkeep of the machines by TRUMPF's Technical Service department is just as important as the intelligent monitoring solutions which analyze and monitor the LMF process in a professional manner. The exchangeable cylinder principle of the TruPrint machines also enables a smooth flow of parts. In the newly built halls that are perfectly equipped for additive manufacturing, for each material, toolcraft manufactures on a specific machine, and uses a separate room for the powder and parts handling with unpacking – including a sieving station. The comprehensive preparations paid off: toolcraft passed the Nadcap certification – with zero errors.

 

Outlook

toolcraft is now part of a select circle of companies that are the first to be able to produce 3D printed parts to the highest standards. When dealing with customers in the industry, Nadcap is a clear competitive advantage for toolcraft compared to other potential suppliers. Both TRUMPF and toolcraft learnt a great deal during the close, partner-based collaboration for the verification process, meaning they are both perfectly equipped for the next challenge.

Collaboration TRUMPF and toolcraft
Lab check of 3D printed component by toolcraft

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