We are proud to introduce you to the new Spring srl’s additive manufacturing service regarding the Multi jet Fusion technology, that will allow our clients to have thermoplastic components with the usual and high quality level guaranteed by Spring.
The combination between these elements is our daily challenge and today, even more, this is what we offer, thanks to new investments in terms of Know-how and production systems.
The new in-house arrival, as a result of an internal analysis, is the HP Multi Jet Fusion 5210 additive manufacturing system.
Multi Jet Fusion technology: how does it work?
Multi Jet Fusion (MJF) is a powder-based AM process that uses fusion energy and two agents; such are selectively jetted, with the fusing agent used to weld the particles that make up the finished part, while the detailing agent is used to define edges and details.
PA 12 thermoplastic of the Multi Jet Fusion technology
PA 12 is a thermoplastic used with the Multi Jet Fusion technology.
This material allows to produce structural, isotropic and watertight parts.
Click here to know the features and benefits of PA 12.
Spring srl: the additive manufacturing service of industrial quality
We work daily to assure an always higher quality level for the parts and for the services provided to our partners, through the know-how of a skilled technical staff and a top quality production (ISO 9001:2015 certification ).
Choosing our services means taking advantage of all the benefits that additive manufacturing can offer for industrial-grade applications.
Companies intending to replace traditional production processes with innovative methods, such as Additive Manufacturing with FDM technology, are obtaining significant savings in terms of production time and costs; AM in fact allows them to gain an advantage over the competition.
Usually, when engineers need to produce a component with complex geometries, the process steps that are needed for its production can be several, such as milling, other CNC machining, welding etc.
The production of parts that need all these process steps requires utilization of huge economic resources and a long lead time.
A production tool, for the assembly of mechanical parts, printed with FDM technology.
The knowledge and skills in the use of FDM technology, industrial production systems and the use of high-performance materials allow you to have in a few hours light and resistant components, which can also replace metal parts.
FDM technology is particularly advantageous in the realization of small lots or single pieces with complex geometries.
Parts such as grippers, fittings and pallets for automated production lines, air ducts and distributors achieve the maximum benefits from production through the FDM process.
In the following example, we will present how the technical department of Spring srl, a 3D printing service specialized in FDM technology, has created a suction duct achieving 3 key objectives: lowering costs, reducing delivery time and producing a component with high mechanical performance.
Air intake duct
Previously the duct was made of steel, thus requiring cutting the various sections, welding them and milling the ends to guarantee their geometry. The traditional process involved a considerable economic expenditure and the production times were particularly long.
Spring’s proposal made it possible to produce the monolithic part without joints and welds, thus significantly reducing production times and costs.
During the “Design for manufacturing” phase, the 3D model was optimized according to the FDM technology, inserting structural ribs at the ends of the component, to ensure greater resistance in fixing the coupling sleeves.
To fulfil the requests, Spring selected Nylon 12 CF for this project. Nylon 12 CF is a thermoplastic blend consisting of Nylon 12 and 35% carbon. This material offers very high values of rigidity, resistance to impacts and to chemical agents. These characteristics make such material particularly suitable for metal replacement applications.
The final component that was re-engineered and produced by Spring Srl weighs 0.15 kg, compared to 1 kg of the previous solution, a weight saving of 85%.
Spring srl: the italian 3D printing service for the automation industry
Spring srl is ISO 9001:2015 certified for production and supply of prototypes and industrial components through additive production technology.
The company assists its customers in co-design activities in an additive manufacturing perspective, thanks to 20 years of experience in this field.
Spring Srl has been working for years with the most important national and international players in the industrial automation sector. These partnerships are the result of important investments in terms of resources, professional production systems and a continuous improvement policy.
Spring srl increases its productive capabilities in the medical and healthcare field, making materials available that are resistant, biocompatible and ISO 10993 certified, such as:
-ABS-M30i Acrilonitrile Butadiene Stirene: This thermoplastic is ideal for the production of medical, surgical and pharmaceutical tools. Components manufactured with this material are sterilizable through gamma rays, ethylene oxide (EtO) or hydrogen peroxide gas plasma and can be used in direct skin-contact applications.
-PC-ISOMedical Polycarbonate: This thermoplastic is used for the production of tools for doctors, surgeons and dentists. Pieces manufactured with this material are sterilizable through gamma rays or ethylene oxide (EtO). PC-ISO offers excellent mechanical features, an outstanding traction strength and a temperature resistance up to 133 °C.
–ULTEM 1010 Polyetherimide: This thermoplastic is used for the production of medical applications and tools for food manufacturing (NSF 51). Parts produced with this material are sterilizable through gamma rays, ethylene oxide (EtO), hydrogen peroxide gas plasma or in autoclave. ULTEM 1010 is a self-extinguishing thermoplastic, that offers a notable mechanical resistance and high temperature strength, up to 216 °C.
In the table below you can find the biocompatibility test results and the tested sterilization methods.
(Source: Stratasys)
Additive manufacturing for the medical field – Spring Srl
Additive production allows to obtain big benefits in terms of quality, execution speed, costs reduction and parts customization as long as professional systems, certified materials, processes that guarantee the produce traceability and know-how are employed.
At Spring Srl, with 20 years of experience, an excellent technical staff, 12 3D printing professional systems, a portfolio of more than 20 materials and an ISO 9001 certified production system, we provide appropriate solutions for the field.
The medical solutions that additive manufacturing can provide are rapid prototyping and end-use part production, medical and surgical tools.
These solutions are already available today at Spring Srl, and such allow to improve the healthcare and the creation of high-performance parts.
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