Watches we see more, but for the parts inside the watch and how much you know about it? For the common balance you know how many? Today Xiaobian universal wristwatch knowledge, bring you to know the four most common balance wheel.
Ordinary balance wheel: Although the design is simple, but was used by many COSC observatory tables. It is made of a new alloy Glucydur - ingredients: beryllium, copper and iron (berrylium bronze), the advantage is very hard and stable, resistant to deformation, magnetism, and rust. Parity table is also useful for this design, but the choice of parity material.
Bimetallic screw balance wheel: balance wheel side of the screw into or out of change, change the position, and the screw under the screw cap can also increase or decrease. The role is to balance the balance wheel. When adjusting the edge of the cutting edge of the screw out of access, to compensate for temperature changes on the balance wheel. When you increase the weight or move the screw closer to the cutting edge, the temperature compensation capability will increase. At the same time, this balance is also made of two alloys, while compensating for temperature changes.
Screw balance wheel: Around 1930, a lot of alloy became the balance of the material. The most famous alloy is Nivarox, ingredients: nickel, chromium berrylium, titanium, aluminum and iron. The temperature error of the most advanced Nivarox I Highest is + / _ 0.3 seconds / degree per day. The new alloy allows a single material balance because the balance no longer has to compensate for the hairspring temperature.
Balance balance wheel: Because the weight of the cracks will reduce the weight of the point, turn the French code can change the balance weight distribution side. As a pair of relative law code to adjust the same way, the watch's day-to-day can be adjusted. The more code points outside the balance wheel (the crack points to the center of the balance) increases the effective diameter of the balance wheel and slows the watch's time. The code can also be adjusted independently to balance the balance itself. This design is Patek Philippe mass use.
We are now commonly known as the balance wheel is commonly known as light balance wheel. Over 90% of Swiss watches have been on the scene since the late 1960s. Now commonplace light is the result of 600 years of technological progress and development. And we should pay attention to the balance wheel when choosing the watch, make sure choose the watch of good quality.
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