3d-printed LSR components are on the rise

- Jul 02, 2019-

Liquid silica gel (LSR) is a non-toxic, heat resistant, high recovery flexible thermosetting transparent material organic silica gel, with excellent transparency, tear strength, resilience, anti-yellowing, thermal stability, water resistance, good permeability, heat resistance to aging and weather resistance, at the same time, moderate viscosity, easy to operate, high transparency products.


Based on its diversity, LSR is widely used in various industries, such as automobiles, sports goods, medical equipment and consumer goods.


Demand for 3D printing is growing


In general, LSR components are mass produced by injection molding with specific injection molding machines.

Due to the time and cost involved in the process, small-scale production and prototyping is usually done by hand casting using molds made from model plates, RTV rubber or soft metal.


Machine-made molds overcome these challenges, but they are more expensive, time-consuming and labor-intensive than RTV molds.

In addition, due to the complexity of LSR component design, machine machining also has its limitations.


In this case, making LSR using 3D printing is an attractive option because 3D printing is cheaper, faster, and allows for more flexible parts.


LSR3D printing technology is used to make footwear customization projects


* recently, dow has made new progress in 3D printing liquid silica gel technology. The company has reached an agreement with ECCO to launch a breakthrough 3D printing liquid silica gel for shoe customization projects.


ECCO, TaoShiHe dassault systems company (DassaultSystemes) on Jan. 29-30 held in Tokyo Japan ECCOShoes spring preview in the press conference, introduce QUANT -u footwear customization project.


It is reported that quant-u is an experimental footwear customization project of innovation lab (ILE), an independent interdisciplinary design studio of ECCO.


This pioneering service combines customer personal biomechanical data, dow SILASTIC3D3335 liquid silica gel (LSR), and 3D printing (additive manufacturing) technology to produce a silicone mid-layer that fits the shape and natural motion of the consumer's foot.


Developed by dow and specially prepared, the material combines the performance advantages of siloxane elastomer with the manufacturing and processing advantages of liquid additive. It has the characteristics of low viscosity, smooth printing and unique rheology, which can achieve high resolution and high precision.


This middle layer is odorless, bacteria-free, and waterproof.


"Quant-u collaboratively demonstrated the manufacturing characteristics and performance advantages of SILASTIC3D printed liquid silica gel, providing a new option for designers looking for flexibility in part design and additive processing," said CharlieZimmer, dow's global marketing director for high-performance organic silicon.


The lattice structure embedded with liquid silicone rubber was used to enhance the comfort of pseudopod


Germany StamosBraunProthesenwerkGmbH using flexible 3 d fast printing uv curing liquid silicone rubber lattice structure embedded to enhance the production of high temperature vulcanized silicone rubber solid false, in order to improve the false comfort.


The project (DresdenTechnicalUniversity) by the university of technology dresden IFD institute of precision machinery and electronic design development.


According to IFD, the new inserts can reduce the weight of the buffer structure by 70 percent compared to previous non-lattice silicone gels.


Initial tests have been successful, which could potentially lead to the development of a bone-structured analog hand and finger directly from a single print.


At the same time, the researchers believe the technology has great potential for 3D printing artificial tissue from the heart, kidney, intestine and spleen.

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