'World's First' 3D-Printed Motorbike

Would you ride a 3D-printed batmoBIKE? World's first fully-functioning motorcycle made with the innovative method unveiled by German engineers

 

A 3D printed motorcycle resembling the transport of the caped crusader has been created by German engineers.

German firm BigRep claim the NERA is the first of its kind to be made anywhere in the world.

Every part of the bike, except for the electrics, was created via 3D printing.

This includes the tyres, rims, frame, fork (which connects the front wheel and axle to the frame) and seat.

'In essence what we're doing is we're giving designers and engineers the opportunity to swipe away the limitations that they have been used to from classical manufacturing methods, like grinding, moulding those things,' BigRep CEO Stephan Beyer told The Guardian.

Designer Marco Mattia Cristofori has ridden the bike but it is too slow to be commercially viable.

It was built from concept in just 12 weeks by the company but it is not expected to go into production.  

The designers built the bike to prove their ability and competence at using different materials for a wide range of purposes. 

WHAT IS 3D PRINTING AND HOW DOES IT WORK?

First invented in the 1980s by Chuck Hull, an engineer and physicist, 3D printing technology – also called additive manufacturing – is the process of making an object by depositing material, one layer at a time.

Similarly to how an inkjet printer adds individual dots of ink to form an image, a 3D printer adds material where it is needed, based on a digital file.

Many conventional manufacturing processes involved cutting away excess materials to make a part, and this can lead to wastage of up to 30 pounds (13.6 kilograms) for every one pound of useful material, according to the Energy Department’s Oak Ridge National Laboratory in Tennessee.

By contrast, with some 3D printing processes about 98 per cent of the raw material is used in the finished part, and the method can be used to make small components using plastics and metal powders, with some experimenting with chocolate and other food, as well as biomaterials similar to human cells.

3D printers have been sued to manufacture everything from prosthetic limbs to robots, and the process follows these basic steps:

· Creating a 3D blueprint using computer-aided design (CAD) software

· Preparing the printer, including refilling the raw materials such as plastics, metal powders and binding solutions.

· Initiating the printing process via the machine, which builds the object.

· 3D printing processes can vary, but material extrusion is the most common, and it works like a glue gun: the printing material is heated until it liquefies and is extruded through the print nozzle

· Using information from the digital file, the design is split into two-dimensional cross-sections so the printers knows where to put the material

· The nozzle deposits the polymer in thin layers, often 0.1 millimetre (0.004 inches) thick.

· The polymer rapidly solidifies, bonding to the layer below before the build platform lowers and the print head adds another layer (depending on the object, the entire process can take anywhere from minutes to days.)

· After the printing is finished, every object requires some post-processing, ranging from unsticking the object from the build platform to removing support, to removing excess powders.

'Nera illustrates the massive benefits that 3D-printing offers for the production of end-use parts, particularly for batch sizes between lot size one [small quantities manufactured in a single production run] to small series, by reducing lead times and costs, optimising supply chains and limiting dependency on supplier networks,' said NOWlab co-founder Daniel Büning, according to Dezeen.

3D printing technology – also called additive manufacturing – is the process of making an object by depositing material, one layer at a time.

It was first invented in the 1980s by Chuck Hull, an engineer and physicist.

It has been used to create a variety of shapes, structures and vehicles from a wide range of materials. 

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