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2. Process of tattooing - Wikipedia

   en.wikipedia.org/wiki/Process_of_tattooing

   Modern tattoo machines use electromagnetic coils. Another early tattoo machine, with an electromagnetic coil, was patented by Sutherland MacDonald in 1894. [3] The first twin-coil machine, the predecessor of the modern configuration, was invented by another Englishman, Alfred Charles South of London, in 1899.

3. Tattoo machine - Wikipedia

   en.wikipedia.org/wiki/Tattoo_machine

   In addition to coil tattoo machines, there are also rotary tattoo machines, which are operated with regulated rotary motors and are powered by a wired external RC power supply or a wireless battery pack attached to the machine. There are many types of rotary machines, some that look similar to coil machines and some that look more like "pens".

4. Coil winding technology - Wikipedia

   en.wikipedia.org/wiki/Coil_winding_technology

   Winding machine Winding nozzle in winding position Winding nozzle in position for termination Determination of the necessary space between teeth depending on the wire gauge (Source: Aumann GmbH) To efficiently wind narrow slots of electronically commutated multipole three-phase motors, the teeth are coated with insulation and directly wound ...

5. Winding machine - Wikipedia

   en.wikipedia.org/wiki/Winding_machine

   Winding machines are classified based on the materials they are winding, [2] [3] some major types are Coil winding machine; Film winding machine; Rope winding machine [4] Paper winding machine; Foil winding machine; Roll slitting machines; spool winding machine; cop winding machine; On the basis of working the winders are classified as follows ...

6. Reluctance motor - Wikipedia

   en.wikipedia.org/wiki/Reluctance_motor

   Cross-section of switched reluctance machine with 6 stator and 4 rotor poles. Notice the concentrated windings on the stator poles. A reluctance motor is a type of electric motor that induces non-permanent magnetic poles on the ferromagnetic rotor.

7. Basket winding - Wikipedia

   en.wikipedia.org/wiki/Basket_winding

   Basket winding (or basket-weave winding or honeycomb winding or scatter winding) is a winding method for electrical wire in a coil. The winding pattern is used for radio-frequency electronic components with many parallel wires, such as inductors and transformers. The winding pattern reduces the amount of wire running in adjacent, parallel turns.

8. Electromagnetic forming - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_forming

   A pinched aluminium can, produced from a pulsed magnetic field created by rapidly discharging 2 kilojoules from a high-voltage capacitor bank into a 3-turn coil of heavy gauge wire. Electromagnetic forming ( EM forming or magneforming ) is a type of high-velocity, cold forming process for electrically conductive metals, most commonly copper and ...

9. Axial flux motor - Wikipedia

   en.wikipedia.org/wiki/Axial_flux_motor

   A motor can be built upon any flat structure, such as a PCB, by adding coils and a bearing. The coil winding process and the process of joining the coil and core may be simpler. Since the coils are flat, rectangular copper strips can more easily be used, simplifying high-current windings. It is often possible to make the rotor significantly ...