Monday, July 14, 2008

Headphones. Secrets of production at the factory example, K-3

Today, even the smallest in terms of quality headphones sound can give many forums "large". But how and by what they do? How and what do do headphones, which way they are doing before we get into the hands? These issues concern not one and not two of our readers.

In this paper we will try to provide answers to many questions related to the development and manufacture of headphones. Help us in this virtual visits to factories, which are created headphones K-3. There, and a look at subtleties and secrets of this process.

The birth of headphones

The first thing pointeresuemsya, where should you begin the process of developing a new model of headphones? It begins as if it may sound trite, with the development department. The main difference between a serious producer in China from the rest - is the existence of the department in charge of the development (R & D). And the more this department, the more seriously manufacturer refers to its products. Now many major Chinese steel producers to receive patents for their design, they have to protect their products. Well, while the remaining "producers" go to the exhibition with cameras and ruler or go to the nearest store and buy a headset brands and make them close copy. All we know and see how they can do it, and, most importantly, the quality of what is produced in the end! Indeed, most headphones models sold in stores - far from their own development. Knowledgeable buyer, an experienced eye looking at many models lying on the window, immediately understands that this "clone", immediately setting his "father".

What are the parameters and characteristics are taken into account when formulating headphones? Many will say that in the headphones most important is the quality of sound. And they are right, but only partly. Indeed, headphones escorted its owner everywhere, wherever he may go. And if you nekomfortno in headphones, you get the pleasure of listening to your favorite songs? Or, for example, you went on the trip, and you turn of wire? Familiar situation? That is why before create some new model of headphones, first determine for whom it is intended, and what it should be consumer properties. For example, headphones for active sports are likely to have improved vlagozaschischennymi and binding, that they do not drop down from your ears when running. A headphones for everyday use will be made most comfortable for hours of listening. Well, in models designed for those who value sound quality, will be used better dynamics and accessories that you heard what must hear, rather than noise and cod.

So, the model developed, what happens next? Once was coined and fully tested the new model, it begins its journey on the production. First, to the smelting machines fall asleep granulated plastic, to which add a little dye, which will depend color products.

Liquid filled in special plastic moulding and plastic parts are manufactured. Then check their overseers, and those that have passed inspection, sent to the assembly. And the fact that, less than control, sent to salvage, while the smaller factories - for recycling. Meanwhile, simultaneously with plastics make wires and dynamics, as well as the packaging. After all these components on the assembly line and collect headphones. Here each staff member (on assembly lines at most enterprises are working women) is responsible for its operation. For example: a headphone halves together in a single whole, the other decorative elements attached, if any, third pripaivaet connector to the wire, fourth pripaivaet wires to the dynamics, etc.

Along the lines of assembly and go overseers monitor the quality of the work. Controller can be distinguished from other workers on a white shirt. And finally, when the headphones are ready, before packing them selectively promiscuous and depth testing.

The next question: accessories such as loudspeakers purchased on the side or manufactured in one factory with headphones? Major manufacturers are doing everything themselves. A small buy-side components, although there are exceptions. So, many producers can afford the full production cycle, not to procure parts from third party manufacturers and not dependent on them that way. There is another reasonable question: What are the characteristics of different materials used in production?

If you see foreign matter in plastic or uneven color - hence, the producer saved to reduce the prices of raw materials in the manufacture or violated tehprotsess (for example, uses purified raw or poorly maintained recycling plastics). High-quality plastics should be homogeneous mass and colour. To wires not dropped and do not break ground in the biggest loads, their specially reinforced by additional elements and using larger diameter wires, and that the conductors do not "dubeli" on the cold, frost resistance insulation made from materials. Production of speakers - one of the most painstaking and important processes. Because of the quality of the dynamics directly affected the quality of what you hear. That is why this country is the most advanced equipment, and this site is being paid the most attention. And the resulting membranes so small and fragile that they do not always get even take in their hands, while not damaging. Automation today at every turn replaces rights. But in creating such small, simple and complex things simultaneously, as headphones, one oboydeshsya not automatics. What are the stages of automated production, but on what is being hand-assembled? Manual labor is mostly used during assembly and packaging, and all other processes are automated. At all headphones except that the cheapest models noname-we are accustomed to see the logo of the manufacturer as a minimum, though often on the body markings and other information. How did it get there? For causing the logo used a special form-harvesting, through which sprayed logo on the surface. To do this, apply paint resistance to abrasion, and what it would be better, the longer you keep your headphones logo producer.

Probably the latter, a serious question: Does taking any test of the strength of the final product (shock proof, the strength of wires in the gap, temperature regimes, etc.)? Yes, sure. From each batch is selected few copies that will be subjected to comprehensive tests: check the appearance, sound quality and availability of defects. Also check the strength of their wires and soldering connectors will be checked by the quality of all connections. And finally temperature chamber.


As you can see, the process of production headphones not as simple as it seems. And even such a simple, seemingly product is painstaking work of many workers who are working hard with you that our everyday life have become "musical". And perhaps, it is manufactured at the time you read this article through headphones will be some time in our shops display cases and may, in your ears.

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