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Springs for winding watches

Wind-up watches are accessories that will never go out of style due to their elegance, aesthetic appearance and complex operation. One of the most important components in mechanical watchmaking is the spring or real spring, which is responsible for storing the energy with which the other parts work.

What is the real dock?

It is a coil- shaped torsion spring that is usually made entirely of steel or with alloys to improve its performance. This component is a key part that is also used in other mechanisms such as music boxes, string instruments, kitchen timers and wind-up toys.

Real springs first appeared in Europe in the 15th century as part of winding clocks to replace the earlier system of counterweights.

Characteristic

The spring directly affects the energy of winding watches. It is located inside the barrel hub, which is a kind of toothed case that is associated with the winding system, from the central pinion to the transmission. Its elasticity, width, thickness and length depend on the structure of the watch, and affect its rigidity, which is its ability to protect and release energy.

In addition to being the main power source for a watch, the spring also influences accuracy. For this reason, the materials used, the elaboration of the watch and, in particular, the spring or real spring, must be of very high quality and follow the manufacturer's standards. Today, thanks to advances in technology, compact, flat springs that store more than a week's walking energy can be used to give more comfort to fans of wristwatches or pocket watches where limited space is an issue. Challenge to generate a rotary movement.

Basic operation

When winding the watch, the core in the center of the barrel moves, which has a hook to which the spring is attached through a hole. The outer end of the spring is fixed to the inner wall of the barrel, and in automatic watches it has a flange that allows it to slide in the event of overload. The free space between the core and the inner wall of the barrel remains at the disposal of the spring. A smaller diameter causes the lower end of the spring to curve more and have less mechanical strength.

Springs for batteries

Battery contact springs are small devices that help exert the pressure needed to hold the battery in place, conducting current from the battery into the circuitry to power an electronic toy or gadget.

 

The force exerted by the spring on the battery has a direct impact on the electrical conductivity, especially on the contact surfaces where there is always a risk of battery oxidation, which must be taken into account by both the device designer and the user. Spring manufacturer.

The springs used for the batteries are of the conical type, ideal for AA, AAA, C and D batteries, so they are usually found in four types of design that adapt to the configurations of the batteries and the design of the device to which it is going. To supply power.

It is best to have custom tapered springs to ensure that the length of the spring contacts the battery and will provide the ideal contact resistance as well as a reliable and secure electronic connection.

Conical springs are usually assembled with single, double or triple parallel assemblies that are in series and subsequently flatten consecutively when loaded. The characteristics of the batteries are constantly changing when the device is in operation and therefore high quality wire and adequate height are required to ensure the correct supply of energy and limit the deflection and excess stress that occurs when they are used. Standard spring designs.

When stacking conical stack springs it is recommended to keep the length as short as possible as friction increases with length and thus causes a loss of force within the stack.

The springs that are placed in parallel should not be more than two or three, especially in dynamic or long-term applications, since considerable heat is generated by the contact of the metal with the battery, and this can cause an overload.

These are just some basic characteristics of battery springs, since the design requirements are complex and, preferably, they must be customized according to the characteristics of the device and the batteries to be used.

If you are looking for a manufacturer of springs in Ireland for all types of applications, we invite you to contact us.

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