Watches and gems are always inseparable. In addition to the beautiful jewellery watches on the dial and the enamel on the strap, each high-end mechanical watch "core" has an irreplaceable ruby, this expensive accessory, hidden in the machine, plays the most important The role. The best choice for movement bearings In the original movement, many components were screwed into the holes in the bottom plate and the bridge, and were made of brass. However, it turned out that the brass could not resist the intrusion of fine dust particles, and the rotating shaft pressure and the friction damage caused by the high speed made the movement unbearable. Until 1700, a Swiss and two French found that the rubbed as a bearing on the watch can greatly reduce friction and damage, significantly improve the life of the movement, and has been widely used since then. Non-natural, more suitable The ruby ​​used in the bearings in the movement is artificial! Don't dismiss it because it is artificial. Compared with natural ruby, it has no impurities in artificial synthesis, the texture is harder and even and wearable, and the drilling is more convenient. It can also match the most desirable red color according to the visual effect. Since the birth of artificial rubies in the early 20th century, the man-made ruby ​​with Al2O3 as the main component has been widely equipped in the movement. Not necessarily a large number, guaranteeing the most important function The ruby ​​in the movement is not as much as possible. In general, the more jewel bearings, the more complex the movement. But complexity is not everything, so you can't judge the quality of a movement by the number of gems alone. The number of rubies in the watch reflects the design style, the exquisite craftsmanship and the skill of the craftsmanship. Movement ruby, mechanical watch love Using rubies as a shaft to reduce friction is a customary way of watch manufacturing. At present, ruby ​​is recognized as the best way to solve the mechanical friction and pressure of the watch's movement bearing position, and also has a certain dustproof function. This can significantly improve the performance of the watch, in addition to the watch big names and watchmakers, other non-first-line brands will also be used. The emergence of artificial rubies has made this approach more widely available in mechanical watches. The number of rubies is marked The number of rubies will be marked on the back of the movement. The general format is uppercase English numbers (+ Roman numerals) + JEWELS. You can see them on the cover. Some back-to-back styles can be seen directly. In addition, the watch's instruction manual is included. There will also be clear labels.
WHAT IS HIGH STRENGTH?
Refer to High performance Fabric.
Fabric tensile strength characteristics refer to the pattern of mechanical deformation of the fabric when subjected to tensile forces along the warp and weft direction. Commonly speaking is a phenomenon in which a fabric is elongated and deformed, or even broken and damaged, by the action of an external force in tension.
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April 26, 2023