Additive Manufacturing: Revolutionary Change in India

Delhi .Union Minister for Electronics & IT, Communications and Railways Ashwini Vaishnav on Thursday released the "National Strategy on Additive Manufacturing" to address the immediate constraints of local industries to meet the next generation digital manufacturing needs.  Let us know what is "additive manufacturing" and what is it used for…

 Why is additive manufacturing special?

 Indeed, “Additive Manufacturing” has the potential to revolutionize India's manufacturing and industrial production landscape through digital processes, communications, imaging, architecture and engineering.  That's why it's very special.  That's why the Ministry of Electronics and Information Technology (MeitY) has set a target for the next three years to increase India's share in global digital manufacturing, with the expectation that it will contribute about 1 percent of India's GDP by that time.  Billion dollar contribution.

 What changes will come from this technology?

 After the release of “National Strategy on Additive Manufacturing” by the Ministry of Electronics and IT, now the innovation and R&D ecosystem will be encouraged in PPP mode for various sectors including electronics, photonics, medical devices, agriculture and food processing etc.  To transform the existing research knowledge base to develop Additive Manufacturing (AM) grade materials, 3D printer machines and printed indigenous products for the vast domestic and international market.

  1 lakh new skilled workers will get employment

 According to the National Strategy for Additive Manufacturing, by 2025, India has set certain targets such as 50 India specific technologies for materials, machines and software, 100 new startups and 500 new products for additive manufacturing.  Overall, MeitY expects these new startups and opportunities to employ at least 1 lakh new skilled workers over the next three years.

 Releasing the strategy document, IT Minister Ashwini Vaishnav said, “We have set some clearly defined goals in this strategy, including 3D printing or additive manufacturing by layering successive layers of materials such as plastics, resins, thermoplastics, metals, fibers or ceramics.  Computer aided designing will be used to create prototypes or working models of objects.  In "additive manufacturing", the model to be printed with the help of software is first developed by a computer, which then instructs the 3D printer.

 What is Additive Manufacturing?

 Simply put, "additive manufacturing" is also known as 3D printing.  Basically, in additive manufacturing, the model to be printed with the help of software is first developed by the computer, which is then given instructions to the 3D printer to make it real.  As such, this technology could prove to be a transformative approach to industrial production that enables manufacturing of lighter and stronger parts.

 Possible from analog to digital processes

 It is an advanced technological advancement made so far from analog to digital processes.  In recent decades, communications, imaging, architecture and engineering have all gone through their own digital revolutions.  Now, additive manufacturing can bring digital flexibility and efficiency to manufacturing operations.

 In additive manufacturing, data is directed using computer-aided-design (CAD) and software or 3D object scanners to form hardware to deposit materials, layer by layer, into precise geometric shapes.  As its name implies, additive manufacturing adds ingredients to form an object.  In contrast, when you create an object with traditional methods, it is often necessary to extrude the material by milling, machining, carving, shaping, or other means, while the terms "3D printing" and "rapid prototyping" are used casually.  While "additive manufacturing" is used to discuss, each process is actually a subset of additive manufacturing.

 Additive manufacturing will be new to many people who may not have even heard of the name before but in fact it has been among us for many decades.  In the right applications, additive manufacturing provides a perfect trifecta of superior performance, complex geometries and simplified construction.  This is a huge opportunity for those who are actively pursuing additive manufacturing.

 These things will be used in India "Additive Manufacturing"

 Toy manufacturing in India is heavily dependent on various techniques of plastic parts molding i.e. injection moulding, blow moulding, rotary moulding etc.  The capital cost of machinery, material cost, manpower cost, recurring mold cost among other issues have been corrected in the Indian market to outperform its international competitors.  This is making India competitive in the toy industry.  3D printing will be an alternative viable which will be called next generation technology which will have many advantages over molding techniques.  Such as no recurring mold cost, better market flexibility, lower capital cost per machine, etc.

 Most profitable 3D printing for digital toys

 With the National Strategy on “Additive Manufacturing”, the Central Government has tried to set a benchmark on not only the most profitable 3D printing business for digital toys in India, but will also increase the demand for Indian toys abroad.  In addition, this business model will also help make it an economically viable technology for opto-electronic components using 3D printing.

 How does additive manufacturing work?

 "Additive manufacturing" refers to techniques that develop three-dimensional objects into a superfine layer at a time.  Each successive layer binds to the preceding layer of molten or partially molten material.  Objects are defined digitally by computer-aided-design (CAD) software that is used to create .stl files that essentially "slice" the object into ultra-thin layers.  It then directs the nozzle or print head as it properly deposits the material onto the preceding layer and prepares the object.

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