Basic 3D Printing : An Introduction 1

3D Printing Technologies, During the 1990s, 3D printing strategies were viewed as reasonable just for the creation of stylish models, and an increasingly suitable term for it at the time was rapid prototyping. As of 3D printing machine 2019, the exactness, repeatability, and material scope of 3D printing has expanded to the point that some 3D printing technologies are viewed as practical as a modern creation innovation, whereby the term added substance assembling can be utilized equivalently with 3D printing. One of the key points of interest of 3D printing is the capacity to create complex shapes or geometries that would be in any case difficult to develop by hand, including empty parts or parts with inward support structures to lessen weight. FDM is the most widely recognized 3D printing process being used.

Fused deposition modelling: 1-Nozzle ejecting molten material, 2-Deposited material (modeled part), 3-Controlled movable table
Source: https://en.wikipedia.org/wiki/Fused_deposition_modeling

The metal 3D printer holds many technologies, the material and part creation technique will vary but all 3d printer designs were subjected to print parts by adding the material layer by layer.

3D printer price reducing with small 3d printer and DIY printers. Some printers are available even less than $100, but quality is questionable in 3d printed products. 3d printer use is more in many sectors. Industrial 3d printer defiantly need many options and will be large 3d printer or biggest 3d printer. While building a 3d printer consider whether your building a 3d printer from scratch or modifying inexpensive 3D printer. 3d printing machine making is one of the best ways to engage kits in innovation. Still 3d printer price in India is high, it is mainly due to the parts are not easily available. Those parts are very important to make best 3d printer and cheap 3d printer. 3d printing technologies improved much in last decade and expected 3d printing machine price in India will reduce. novo3D is targeting to manufacture best budget 3d printer in India.  There are lot of research scope in 3d printer in India. Metal 3d printer technology is far away from DIY makers because of its huge cost.

3d printing service sector has potential for 3d printing business. There are many people looking for 3d printing service near me or 3d print shop closer to their location to reduce the shipping cost. So, whoever is looking for 3D printing service searches 3d printing shop near me for 3d prototyping, 3d printing architecture, etc. 3d printer cost is important for people doing 3d printing service and it should be decided based on their targeted customer. If 3d printing service is targeting DIY makers and kits then reasonable fdm 3d printer is enough. Since there are many options in 3D printer, buy 3d printer only based on your requirement. The 3d printing store for buy 3d printer online or 3d print online service is becoming popular. Online 3d printing services in 3d printing market and 3d printing industry running through 3d printing website. Whoever looking for 3D printing solution, they must have basic knowledge on two factor 1) 3d printing designs and 2) 3d printing materials. There are many free and open source design software’s for 3d modeling for printing, DIYers or kits can learn and design quickly with these software for print parts.

A fully-assembled Creality Ender 3 Source:
https://all3dp.com/2/how-much-does-a-3d-printer-cost/

Fused deposition modelling: printed parts
Source: https://www.instructables.com/id/3D-Printing-Basics/

SLA is the first 3D printing technique developed Chuck Hull in 1986. In SLA, galvanometer-controlled laser beam will solidifies the resin layer by layer. The solidified structure is progressively dragged up by a lifting platform while the laser forms a different pattern for each layer to create the desired shape of the 3D object.

Schematic representation of Stereolithography: a light-emitting device a) (a laser or DLP) selectively illuminates the transparent bottom c) of a tank b) filled with a liquid photo-polymerizing resin. The solidified resin d) is progressively dragged up by a lifting platform e)
Source: https://en.wikipedia.org/wiki/Stereolithography

Digital Light Processing (DLP)

DLP 3d printing technologies is similar to Sterolithography but uses conventional light source which is controlled by mirror. This method constructs the parts faster than SLA because light to be projected on the cross section surface to be cured instead single point as in SLA. But the accuracy is slightly less compared to SLA.

DLP printing technique
Source: https://all3dp.com/2/what-is-a-dlp-3d-printer-3d-printing-simply-explained/

SLS 3D printing is one of the Powder Bed Fusion technology where a bin of polymer powder is heated to a fusion temperature. A laser beam is passed over the surface selectively to solidify the cross section of the object. Like SLA, the laser is focused on the location by a galvanometer. After scanning entire cross section, the powder bed moves down, and next layer of power will recoated on top of recently scanned layer, then laser scanning will be repeated. This process will be continued until complete object constructed. 3D printer prototype will give an idea of how it works.

Schematic of an SLS printer
Source:https://www.hubs.com/knowledge-base/advantages-3d-printing/