Philips develops new technology for 3D printing pure tungsten components

As we all know, among metals, tungsten has the highest melting point, high temperature strength and creep resistance, as well as thermal conductivity, electrical conductivity and electron emission performance. It has a large specific gravity. Tungsten and its alloys are used in addition to a large number of cemented carbide and alloy additives. It is widely used in the electronics and electric light source industries, and is also used to make rocket nozzles, die-casting molds, armor-piercing projectiles, contacts, heating elements, and heat shields in the aerospace, casting, and weapons sectors.

Recently, Philips subsidiary Smit Röntgen, a medical imaging component manufacturer, has recently developed a process for processing pure tungsten by additive manufacturing (ie 3D printing) based on powder bed laser melting. The characteristic of this process is to build a digital design into a three-dimensional product by selectively curing a pure tungsten thin film layer made of metal tungsten with a melting point up to 3422 degrees Celsius.
Smit Röntgen began developing additive manufacturing technology for pure tungsten materials ten years ago. Through cooperation with one of the major system integrators in the additive manufacturing industry and experts in the field, the company has gradually solved every technical link involved in the process.
"From industrial design to industrialization, Smit Röntgen has always focused on creating the industry ’s High added value. In addition, we have also begun to design and manufacture industrial parts. "Said Harry Kleijnen, head of development at Smit Röntgen.
Smit Röntgen is highly focused on innovation, which is the inheritance of Royal Philips. To further develop the technology, Smit Röntgen has invested a lot of money in the production of additive manufacturing, post-processing and the development of measuring equipment. Because one of the keys to developing additive manufacturing processes is to have internal verification and validation methods to ensure that the design cycle is shortened. This is the most basic in the manufacturing process and should not be underestimated. With the patented technology that can 3D print pure tungsten, Smit Röntgen can precisely and efficiently manufacture highly complex concave or support parts from pure tungsten.
The idea behind additive manufacturing goes beyond traditional technology. The main advantages of additive manufacturing are design freedom, convenient modification and low installation cost, which is particularly conducive to the development of customized and innovative parts. Today, Smit Röntgen can perfectly and seamlessly adapt to the needs of different customers through the application of 3D printing technology.
"It is obvious to the major manufacturers in the medical and non-medical fields that the ability to 3D print pure tungsten parts has attracted global attention. After mastering this technology, the possibilities for creating new innovative products and niche markets are endless Endless, "explains Pieter Nuijts, responsible for marketing and sales at Smit Röntgen.

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