printer friendly version
Technology that gets under your skin
3rd Quarter 2018, This Week's Editor's Pick, Electrical switching & drive systems & components
Football players Lukas Podolski and Jerome Boateng have them. Olympic swimmer Franziska van Almsick has them. Pop stars such as Robbie Williams and Madonna also decorate their bodies. What does this have to do with Faulhaber? In the handy machines used for tattoos and permanent make-up there are DC-micromotors – made in Schönaich.
Tattoo professionals consider themselves to be artists; accordingly, their tattoo devices are the equipment with which they realise their art. They are occupied for many hours, without a break, when creating a large-scale tattoo. Modern tattoo machines are, therefore, characterised by a low intrinsic weight and the flexibility to adapt to individual movements. What is also desirable is that the device operates quietly and with low vibration, and it fits the hand well.
The underlying technology
Essentially, tattoo artists can choose between two types of machines: coil-based machines and rotary machines. Coil-based machines belong to the older generation, and function somewhat like an old-fashioned doorbell in which a clapper strikes a little bell repeatedly in rapid sequence. These classic tattoo machines work with alternating current, which flows through a magnetic coil while the electrical contact is closed; this causes a magnetic field to build up in the coil, which then interrupts the contact and simultaneously moves the needle. This earlier technology is now rapidly being superseded by a more modern one. However, the newest generation tattoo machines work with high-performance electric motors. With them, the needle is no longer actuated by means of a coil, but instead by a motor. The advantages are that these rotary machines are especially smooth running and significantly quieter than the coil-based machines, and – thanks to their low intrinsic weight – fit much better in the hand. In these angular devices, the motor is located in a cross-piece and drives an eccentric mechanism in order to linearly oscillate the injection needle. This requires thicker and shorter DC-micromotors. These are available in Faulhaber‘s product range in various versions and technologies. Depending on the model, the drives just barely weigh 20 to 60 grams, yet can deliver the necessary performance – thanks to their high efficiency factor of up to 86%.
Enduring, but not everlasting
Permanent make-up was developed from tattooing and refers to an enduring outlining of features by means of micro-fine colour pigments. In contrast to a tattoo, permanent make-up is not irreversible. The result lasts about five years. Beyond the aesthetic aspects, permanent make-up can also cover up small imperfections and scars.
Precision in ballpoint pen format
Cosmeticians who apply permanent make-up also benefit from having a light, handy device that they can delicately operate. The colour pigments are injected in the surface of the skin with an oscillating needle. The devices that are employed must meet the highest demands in technology and design, and work precisely and reliably. As the most sensitive parts of the body – such as the eyes – are being treated, extremely smooth running is necessary. Motors made by Faulhaber can also be successfully utilised in devices for applying permanent make-up. Because the devices are elongated and ideally have a format somewhat resembling a ballpoint pen, the slender models of Faulhaber DC-micromotors have proven themselves ideal.
Faulhaber motors are distinguished by a high efficiency. As a result of the high power density, more compact, lighter drive solutions are possible. Faulhaber models are differentiated from conventional DC motors by the rotor. It is not wound around an iron core, but instead consists of a copper coil manufactured with a self-supporting, skew-wound design. This provides for low rotor weights, very smooth-running operation and a highly dynamic cogging-free action, without the usual magnetic hysteresis losses associated with other technologies.
For more information contact David Horne, Horne Technologies, +27 76 563 2084, firstname.lastname@example.org, www.hornet.cc
- Does edge computing have the edge?
Third Quarter 2019, Omron Electronics, This Week's Editor's Pick, Other technologies
Implementing artificial intelligence in industrial manufacturing.
- Underwater robot with a unique fin
Third Quarter 2019, Festo, This Week's Editor's Pick, Robotics & Mechatronics
Swimming like the natural model
The longitudinal fins of the polyclad and the cuttlefish extend from the head to the tail along their backs, their undersides or the two sides of their torsos. To ...
- Motors that let you know when it’s time for a service
Third Quarter 2019, ABB South Africa, Robotics and Motion, This Week's Editor's Pick, Electrical switching & drive systems & components
A new smart sensing solution from ABB can reduce downtimes of low voltage motors by up to 70% and extend their lifetime by up to 30%.
- Cost-efficient production with 18 synchronous NC axes
Third Quarter 2019, Beckhoff Automation, This Week's Editor's Pick, Electrical switching & drive systems & components
Swedish equipment manufacturer, Ecmec has developed a high-tech machine for a supplier to the automobile industry that can complete several process steps simultaneously without having to remount the part ...
- Contactless energy transfer system for automotive assembly line
Third Quarter 2019, SEW-Eurodrive, This Week's Editor's Pick, Electrical switching & drive systems & components
The Movitrans contactless energy transfer system from SEW-Eurodrive, in conjunction with its Movipro SDC decentralised drive, position and application controller, has played a critical role in an assembly ...
- What is going on in the Milky Way?
Third Quarter 2019, This Week's Editor's Pick, Electrical switching & drive systems & components
One of the regions we know very little about is the dense part in the centre of the galaxy, where countless stars and gas clouds cluster around a presumed black hole. But a major astronomy project is ...
- New docking system for space rendezvous
Third Quarter 2019, DNH Tradeserve, This Week's Editor's Pick, Electrical switching & drive systems & components
The European Space Agency (ESA) is working on a new system to enable easy docking between two spacecraft. maxon motor developed two special drive systems for this purpose. Even though it has been done ...
- Flying motion
2nd Quarter 2019, Beckhoff Automation, Electrical switching & drive systems & components
A planar motor system of free-floating movers with six degrees of freedom.
- Data, light and the smart factory
2nd Quarter 2019, This Week's Editor's Pick, Other technologies
Photonics – the science of harnessing photons through the cutting edge use of lasers and fibre optics – has become a key technology for smart factories.
- Five hydraulics technology trends
2nd Quarter 2019, Parker Hannifin - Sales Company South Africa, This Week's Editor's Pick, Hydraulic systems & components
In this article are five key technology trends presented by Parker Hannifin that are shaping the future of hydraulics.
- Industry 5.0 – the best of both worlds
2nd Quarter 2019, Cobots , This Week's Editor's Pick, Robotics & Mechatronics
The convergence of robot capabilities and human skills.
- SEW-Eurodrive and Film Riggers help French Spiderman
2nd Quarter 2019, SEW-Eurodrive, This Week's Editor's Pick, Electrical switching & drive systems & components
Specialist rigging company, Film Riggers, was recently called upon to ensure the safety of Alain Robert, aka the French Spiderman, while he scaled a skyscraper in central Johannesburg to create an advertisement for an international tyre manufacturer.