Technology

Fused Deposition Modeling (FDM)

The basic mode of 3D printing is FDM (Fused Deposition Modeling) where the plastic material is melted in the extruder’s to its transition temperature and is plotted by advanced Mechatronics of the machine.

The layers are plotted in the fashion to fill the plastic material including outlines and the infill for a particular layer at that time. These layers are further deposited to one above each other to grow the 3D print, and finally lead to a complete printed model.

FDM-Printers
3DP-Unlimited

FDM is only technology that supports varieties of material which can be used for multiple purposes like engineering applications, real time physical applications, referencing, prototyping, and many more. FDM printing is safest means of prototyping and helps in providing a large variety of open source market in 3D printing software and 3D printing machines.

4DS India offers a complete solution package of 3D printing for every leading industry in the market like engineering, architecture, prototyping, industrial, sculpting and medical. Review our wide range of FDM 3D Printers from different international principals and in house variants at very affordable prices that suits your applications.

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Stereo Lithographic Addition (SLA)

Stereo Lithographic Addition is the form of 3D printing that uses resin material which is photo curable and deposits one above each other by the process known as photo-polymerization. In this process one layer is being deposited by providing the adequate light using viable light source like a photo projector which exposes the material using the shape of a particular section of a 3D model sliced in the slicer software. The shaped light cures the material and hardens, to grow the print layer by layer.

SLA Printers

4DS India offers most accurate type of form and fit prototyping solutions with better surface finish very suitable for engineering referencing applications and soft manufacturing processes.

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Selective Laser Sintering (SLS)

Selective Laser Sintering is the improved form of 3D printing and in which plastic powder is used to form the layers which is smelted by a precise high power laser to melt and fuse the powder molecules. The parts generated by this technology are very precise and high finish inclusive of strength which makes them perfect fit for various engineering and physical applications. The ability of SLS to produce several pieces at one time also makes the process a good choice for Direct Digital Manufacturing (DDM) of products requiring heat resistance and strength.

PBF POWDER BED FUSION – LASER OR EBEAM (aka: DMLS, Selective Laser Sintering, Selective Laser Melting, Electron Beam Melting…)

PBF is the predominant adopted technology today, since it readily adapts to complex geometries, fine finishes, and low to medium volume parts manufacturing. ~90% of metal 3D printing machines today are PBF.

SLS-Pinters-(Plastic-&-Metal)
SLS Printers from Sentrol
SLS Sentrol-Plastic-printers

POWDER BED FUSION: Build speed 10 gm/hr to 200 gm/hr; Use metal powders only; For very near net shape resolution and best surface finishes; lower entry price; small parts; highest complexity; highest material costs; slowest speeds; for part fabrication only; broad range of alloys including super hard alloys; suitable for Aluminium.

4DS India offers the services and solutions to SLS technology in more convenient and budget efficient way by producing the parts with mechanical joints, snap fits and living hinges with more precision and short lead times. Also we enable our customers to use the technology in DEFAM so that one is capable for work on more complex geometries and enables their knowledge for higher end 3D printing and prototyping.

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DED – DIRECTED ENERGY DEPOSITION – LASER OR EBEAM

(aka: Laser Metal Deposition, Electron Beam Additive Manufacturing, Powder Fed or Wire Fed Additive Manufacturing)

DED offers several compelling capabilities, especially for repair, hybrid manufacturing, free form build of large and very large parts of lower complexity, multi-alloy/FGM, flexible automation, inert/open atmosphere capability.

DED adoption growing at exponential rate for industrial applications since in single platform, DED offer a multi- faceted portfolio for free form fabrication of functional prototypes, low volume production, and MRO.

TODAY – PBF AND DED ARE MOSTLY COMPLEMENTARY TECHNOLOGIES WITH LIMITED OVERLAP TODAY – MAXIMUM BENEFIT IS DERIVED BY EMBRACING BOTH TECHNOLOGIES.

TYPICAL SUITABLE APPLICATIONS FOR PBF, LMD AND EBAM are as classified :  Highly dependent on material, geometry, application and user expertise

LASER METAL DEPOSITION: Build speed 50 gm/hr to 1000 gm/hr; Use metal powders only; For close to near net shape and medium surface finishes; small to large to very large parts; medium complexity; mid-range material costs; slow to fast speeds; for parts fabrication; parts repair; multi-alloy parts; hybrid manufacturing; hybrid processes; broad range of alloys including super hard alloys; not suitable for highly reflective metals such as Aluminum;

Sciaky-EBAM-300-Series-Mega-Scale-3D-Printer---280”-(7112-mm)-wide-x-48”-(1219-mm)-deep-x-48”-(1219-mm)-high
InssTek--MX-1000---1,000-X-800-X-650-(mm)

ELECTRON BEAM ADDITIVE MANUFACTURING:

Build speed 1kg/hr to 13.6 kg/hr; Use metal wire only; For net shape parts and machinable surface finishes; medium to large to extremely large parts; medium/low complexity; lowest material costs; slow to fast to hyper-fast speeds; for parts fabrication; multi alloy parts; hybrid manufacturing; hybrid processes; some selected repair applications; to replace conventional forging applications especially with super alloys; broad range of alloys including refractory metals; suitable for Aluminum and other reflective metals

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CONCRETE PRINTER

Today’s Construction technology lags behind the available Computer Design Technology. The new 3D CAD software allows architects to conceive and design constructions easily, but existing building methods do not allow the full potential of the new design software to be achieved.

Despite the availability of construction machinery such as cranes, pumps, concrete mixers, moulds and form works, the building industry is currently reliant on the manual interventions of professional builders who are the hands which operate the machinery.

Existing materials such as reinforced concrete and masonry is expensive and inflexible. To build a complex concave-convex surface, for example, would require the pre-fabrication of expensive formworks and cages, the mounting of complicate scaffolding and then the manual casting.

Furthermore, existing techniques require skilled personnel to continually refer to plans/blue-prints. This is very expensive.

Concrete-printer

The Industry needs to resolve this problem and we believe that RxP 2200 Concrete by 4DS India is the innovative solution. RxP 2200 Concrete enable architects to directly make the buildings they design, using a robotic building machine that uses CAD-CAE-CAM Design Technology.

concrete-printers

concrete-printers

This technology allows a level of precision and freedom of design unheard of in the past. The human limitations of master builders and bricklayers will no longer hamper architects’ visions. RxP 2200 Concrete competes with the traditional construction industry which uses cement, reinforced concrete, bricks and stones.

RxP 2200 Concrete has been designed to make the Construction Industry more environmentally friendly as well as providing low-cost access to building for people in need around the world. The system uses environmentally friendly materials and very low levels of energy.

DeltaWASP  2040

Delta Wasp

Delta Wasp

Made in Italy, this Delta type printer boasts a 20 ø built plate and can print objects as high as 40 cm with resolution up to 50 microns. It is a versatile printer that can cope with a whole range of materials from PLA to ABS, nylon, polymers and Laywood.

“The machine is an industrial build, but with all the open-source qualities. Rock solid in printing reliability and very high and constant in quality.”

“With its stunning looks, the WASP could be the crown jewel of any design studio. However, it’s not afraid to get its hands dirty, either”

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