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Blog posts : "3d printing"

Stereolithography - SLA 3D Printing Technology

SLA 3D printers create 3D printed parts from a liquid photo-polymer resin by using a light source to solidify the liquid material.

To create a 3D printed object, a build platform is submerged into a translucent tank filled with liquid resin. Once the build platform is submerged, light source inside the 3D Printer makes each layer of the part from the bottom of the tank. When light source comes in contact with resign, it gets solidified and the platform lifts up and lets a new layer of resin flow below the part. This process is repeated layer by layer until the required part is completed.

SLA 3D Printing technology is also available in desktop 3D printers. Materials are limited to resins. With SLA 3D printing it is feasible to make high strength to flexible part.


Applicat…

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Fused Deposition Modelling : FDM 3D Printing

 

 

Working Principal: 

Heated thermoplastic material comes out through a nozzle layer by layer to form 3D printed plastic parts. After each layer is extruded, build platform moves down making place for the next layer.

Layer thickness in FDM printing depends on the nozzle. Thinner layers gives smooth finish and takes more time to finish the part as compared to thicker layers.

Materials: 

ABS, ASA, Nylon, PC, PC+ABS, PLA equivalent FDM materials are available in multiple colours including blue, red, yellow, white, black etc

For Industrial Grade FDM 3D printers aerospace and medical grade industrial materials are also available.

  • FDM is a cheapest 3D printing technology available in market right now.
  • FDM 3D printers gives a rough surface finish.

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All About 3D Printing

3D Printing is an additive manufacturing process that creates solid 3D physical objects by adding Material layer by layer. Different 3D printing technologies and materials are available

Depending on varies 3D printing technologies and printer (Starting from desktop printers that melt a plastic material and lay it down onto a print platform to large industrial machines that use a laser to selectively melt metal powder at high temperatures) Depending of printer and Part geometry printing can take Few minutes to days to complete the Task.

 


Pros and Cons of 3D Printing

Pros:

  • Create Complex part design with need of any tool.
  • Shorter lead Time which leads to shorter time to market
  • Low initial investment as fixture and mould cost is not involved to manufacture parts

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