November 6, 2024
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November 6, 2024
Manufactur3D Magazine is India’s Leading and Premier Online Magazine carved out for the 3D Printing Business community in India and globe.
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Intech Additive and BARC 3D Print Miniature Metal Components

Key Takeaways
iFusion LF series
Above: Intech Additive Solutions’ iFusion LF series’ metal 3D printer/Image Source: Intech Additive Solutions

Intech Additive Solutions, a leading end-to-end solutions provider in Metal Additive Manufacturing (AM) systems, Design for AM and AM Software, collaborated with Bhabha Atomic Research Centre (BARC), a multi-disciplinary Nuclear Research Centre of India, to successfully design and 3D print miniature metal components.

Intech Additive team used its indigenously developed iFusion LF series of printers, that boast of their capability to manufacture small to large metal parts for multiple industrial applications. 

Equipped with Intech’s very own software AMOptoMet and AMBuilder, it was possible to achieve “first-time-right” scenario while printing the miniature components.

What are Miniature Metal Components?

Miniature metal components play a very vital role in several critical applications in miniature robotics (bio-robotics), especially in field of customized electroporation devices such as drug delivery, pre-treatment of food, cosmetic therapy of skin, etc.

Given their size and complexities, manufacturing, output management and timely deliveries of these components through conventional methods pose a never-ending challenge. Metal 3D Printing technology therefore becomes an ideal ally in such scenarios for manufacturing miniatures, intricate and semi-sculptured components by virtue of its design and the economically feasible solutions.

AM Systems

Intech Additive has developed an in-house metal 3D printer, India’s first ever. Its iFusion LF series of metal printers are designed to achieve high build rates, manage optimized cost-per-part (CPP) and cost-effective manufacturing. Automated powder handling, part removal and powder sieving are a few of its comprehensive features specifically designed to meet the needs of higher productivity and serial production prevalent in the industry. iFusion LF1 is a large-format LPBF Metal 3D Printer amongst the iFusion range in Intech Additive’s portfolio with one of the largest in-class build volumes of 450mm X 450mm X 450mm.

AM Software Solution

build preparation software from Intech Additive Solutions
Above: AMOptoMet predictive software for PBF metal additive manufacturing/Image Credit: Intech Additive Solutions

AMOptoMet is a first-of-its-kind and the world’s only new alloy parameter development software. It is a software suite for optimization, tuned for calculating and optimizing the process parameters of a given alloy for the Laser Powder Bed Fusion (LPBF) technology. AMBuilder is a build processing software with an intuitive workflow and a host of intelligent features. AMBuilder’s optimal orientation of parts, support generation, and path generation assisted in the build preparation of the miniature component.

BARC provided the initial designs of the miniature components for possible adaption to the AM process. Intech’s team of DfAM experts suggested and implemented further design modifications for the optimum functioning of the components.

“In my opinion, engineers at Intech have good acumen of technical brilliance, sense of practicality and leadership. I have observed that the engineers do follow ‘first principle thinking’, which is very essential for any indigenous out-of-the-box solution for new technology. I am proud to say that within a short span of 6 months, engineers of Intech have achieved the pinnacle of authentic product-oriented manufacturing with due persistence and passion.”

– Dr. Debanik Roy, Scientist, Division of Remote Handling & Robotics, Bhabha Atomic Research Centre

3D Print Miniature Metal Components

The Metal 3D Printed monolithic miniature component has an overall length of 33 mm with a cylindrical housing (OD:  11.6 mm; ID: 10 mm) and a tapered front. The crucial part of the manufacturing process was in the printing of a tiny portion, the “retainer ring”, having a thickness of 1.5 mm and a central hole of diameter 0.9 mm. The crux of this entire ensemble manufacturing is the printing of the retainer ring. Ensuring the workability of the printed retainer ring is essential for the actuation of the component. 

This component was to be assembled with another part, the “end-cover”, having a height of 6.5 mm. The completed assembly of the component is now fully functional and can be used for a variety of applications post further instrumentation. 

Intech additive employed AMBOTS – a portmanteau of Additive Manufactured ROBOTS, is a concept & terminology under R&D to make a fully functional working prototype. The AMBOTS 3D printed the metal part and were able to print the part in just 3 hours.

Following are the part dimensions:

  • Length: 33 mm
  • Cylindrical housing OD: 11.6 mm
  • Cylindrical housing ID: 10 mm
  • Retainer ring thickness: 1.5 mm
DescriptionAMBOTS
MaterialSS 316L
Layer Thickness 40 microns
Build Time 3 hours
Above: Metal 3D Printing Stats/Source: Intech Additive Solutions

About BARC: The Bhabha Atomic Research Centre is India’s premier nuclear research facility, headquartered in Trombay, Mumbai, Maharashtra. Founded by Homi Jehangir Bhabha Atomic Energy Establishment, Trombay in January 1954 as a multidisciplinary research program essential for India’s nuclear program.


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