Tattoo MachinesTattoo Machines & Tattoo Equipment ReviewedIn 1891, Samuel O'Reilly found Edison's machine could be modified to introduce ink into skin, and patented a tube and needle system to provide an ink reservoir. Modern machines utilize electromagnetic coils in alternation to move the needle bar up and down, which drives the pigment into the skin. Although modern tattoo machines are somewhat different from the machine O'Reilly invented. O'Reilly's machine was based on the rotary technology of Edison engraving device, the first practical application of an electric motor. Modern tattoo machines use electromagnets, the first use of which was a single coil machine patented by Thomas Riley. Nowadays tattoo machines can control needle depth to almost any degree and as result of this control, tattooing has become an accepted as a legitimate art form. This is easily demonstrated in 'fine line work by any professional tattoo artist. How a tattoo machine works A tattoo machine works similar to alternating current— charge causes magnets to pull downward on the bar, which disconnects the circuit and allows the upward force of the spring to pull the bar upward. This process repeats between 80 and 150 times a second, providing the artist with a means to penetrate the skin with ink without moving his hand. The frame of a tattoo machine is usually made of a conductive material such as iron, brass or copper and plastic bushings at the contact points are to be used to isolate the current from the frame. The capacitor regulates current flow. The needle tube provides a grip for the artist's control, and a small reservoir at the tip for ink.
The needles are soldered to the needle bar. Finished needle bars are made by soldering small needles to the bars in varied numbers, depending on the desired coverage. For thicker lines and for shading in large areas, an appropriate sized "shader" needlegroup is used. The tube's size, at the mouth, must be appropriate to accommodate the width of the needle bar. As a tattoo artist it is of utmost importance to choose a high quality tattoo machine and tattoo equipment. There are many cheap tattoo machines and tattoo kits on the market. Not only are these likely to break down but can harm your reputation as an artist if you are responsible for bad work or any other negative effects as a result of using a tattoo machine or tattoo kit your purchased on the cheap.
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