Rapid prototyping is a way to quickly fabricate and visualize a solid model of a part or assembly using 3D CAD data. In other words, it is a fast and more cost-effective method for creating prototypes for product development.
It helps for a multitude of uses like functional testing, tooling, moulds, visualization and as a proof of concept. Deeper uses of Rapid Prototyping include decreased development time, reduce costly mistakes, give an effective communication to the end user and allow multiple variants if the product.
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Steps in Rapid Prototyping Methodology
- CAD Model Preparation as per the required design
- Creation of 3D print ready file, in the form of .STL file
- Use of appropriate rapid prototyping/ 3D printing methodology
- Model finishing and post processing
Rapid Prototyping Services for customers across India
Rapid Prototyping Division of think3D prides itself in its ability to provide multiple Rapid Prototyping methodologies providing material options, involving multiple techniques to give the best possible outcome to its clients looking for good quality rapid prototyping services in India at a reasonable price. Our clientele come from a wide spectrum of industries including engineering, automobile, healthcare, manufacturing, construction, ranging from large corporations to nimble startups and even individual hobbyinsts.
Depending on the application, timelines and finish requirements, we use the following rapid prototyping techniques to bring the part to life.
Check Rapid Prototyping Techniques – Comparison for more details.
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Vacuum Casting
Vaccuum
Materials options provided by us: ABS, Rubber, PP
Object Characteristics: Good Surface finish and strength for prototyping and enduse
Typical Applications:
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Fused Deposition Modeling (FDM)
The Fused Deposition Modeling (FDM) process creates
Materials options provided by us: PLA, ABS, Nylon, Wood, HIPS, PMMA
Object Characteristics: FDM parts will be the cheapest to be created and typically have good strength, and a range of engineering thermo plastics are available in this technique. The drawback include less speed, surface finish, slightly lesser accuracy compared to other 3D printing techniques. Postprocessing with Acetone/ Putty is applicable for achieving smoother watertight finish and . Painting is an option for monocolour structures
Typical Applications:
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Laser Sintering (SLS/ SLM)
Materials options provided by us: PA Nylon (white), Stanless Steel, aluminium
Object Characteristics: In this process is that the powder bed serves as an in-process support structure for overhangs and undercuts, and therefore complex shapes that could not be manufactured in any other way are possible with this process. Parts produced with this process are much stronger than with SL or DLP, although generally the surface finish and accuracy is not as good. SLS parts have much higher better accuracy than FDM
Typical Applications:
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Stereolithography
Materials options provided by us: Clear Resin, white Resin, Castable Resin, tough Resin, Flexible Resin
Object Characteristics: Stereolithography is generally accepted as being one of the most accurate 3D printing processes with excellent surface finish. However limiting factors include the post -processing steps required and the stability of the materials over time, which can become more brittle.
Typical Applications:
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Digital Light Processing (DLP)
It is a similar process to stereolithography in that it is a 3D printing process that works with photopolymers. The major difference is the light source. DLP uses a more conventional light source, such as an arc lamp with a liquid crystal display panel, which is applied to the entire surface of the vat of photopolymer resin in a single pass, generally making it faster than SL.
Also like SL, DLP produces highly accurate parts with excellent resolution, but its similarities also include the same requirements for support structures and post-curing. However, one advantage of DLP over SL is that only a shallow vat of resin is required to facilitate the process, which generally results in less waste and lower running costs.
Materials options provided by us: Clear Resin, Castable Resin, tough Resin
Object Characteristics: Same as SLA
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3D Printing (Binder-jetting or color jet printing)
In this technique, parts are created layer by layer by depositing a liquid binder onto thin layers of powder which spread uniformly on a build platform using roller mechanism that is fed with powder from a feed piston. The inkjet print heads then move on to the powder layer, and start printing the cross-sectional area as per the design data, binding the powder together. A piston then lowers the build platform by 0.1 mm, and a new layer of powder is spread on top. The print heads apply the data for the next cross section onto the new layer, which binds itself to the previous layer. This 3D Printing process is repeated for all of the layers until the physical model is created.
Materials options provided by us: PA Nylon (white)
Object Characteristics: Same as SLA
Typical Applications:
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Inkjet: Material Jetting
Object Characteristics: The nature of this product allows for the simultaneous deposition of a range of materials, which means that a single part can be produced from multiple materials with different characteristics and properties. Material jetting is a very precise 3D printing method , producing accurate parts with a very smooth finish.
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