What does it mean to show three or four laps on the calendar?
1, stopwatch.
Is the role of the second hand. Generally, this small dial is just below the big dial. This kind of watch uses a small dial as the second hand. You think it's a second hand, but it's actually a chronograph hand. You shouldn't move normally. If it moves, it will consume a lot of electricity.
2.24-hour instructions.
It means 24 hours. You are now 14 pm. The inside of the small dial points to 14
3. Calendar.
3 1 scale, pointing there, that day.
4. Timing hands.
As stated in 1. The hands of the big dial are chronograph hands. When timing. This disc is the chronograph minute hand.
Extended data:
The manufacture and production of watches are based on a simple and witty invention, that is, "clockwork", which can tighten and store energy and slowly release energy to push the running device and hands in the watch to display time. This spring device in the watch is called the main spring.
(Main power). Watch structure A watch consists of a meter head and a strap (clasp). Among them, the parts of the rice head include: movement, case, bottom cover, mirror, characters (often called dial), hands, handles (also called push) and order (required by some tables).
The working principle of watches, watches are precision instruments used to display time. The principle of this instrument is to use a vibration system with constant period and continuous vibration as the standard.
If we know the time (vibration period) required for a vibration system to complete a complete watch vibration and calculate the vibration times, then the time after so many vibrations is equal to the vibration period multiplied by the vibration times. That is, time = vibration period × vibration times.
The mechanical watch with balance shaft hairspring adopts balance spring as vibration system. The balance wheel 1 is fixed on the balance shaft 2, and the upper and lower journals of the balance shaft are sleeved in the bearing and can rotate around the bearing.
One end of the hairspring part 3 is fixed on the swing shaft, and the other end is fixed on the splint. Due to the elastic deformation of the hairspring, the motion of the balance wheel changes from rotation to reciprocating motion. The balance hairspring system is affected by bearing friction, air resistance and internal friction of hairspring, and the swing amplitude (amplitude) will gradually decay until it stops.
In order to make it vibrate continuously without attenuation, it is necessary to replenish energy to the hairspring system regularly, that is to say, there must be an energy device in the watch. The periodic energy supplement of vibration system is realized by a special mechanism & escapement mechanism. The escapement mechanism is also used to calculate the vibration time of the hairspring system. Therefore, the hairspring system and escapement mechanism are the key devices of mechanical watches.
References:
Baidu encyclopedia-watch working principle
Answered on 2019/09/26.
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What do the three small circles in the watch mean?
A watch has three small dials, namely a chronograph. Its main function is timing. At six o'clock, the conventional small second hand dial, the two small disks at three o'clock and nine o'clock time 30 minutes and 12 hours respectively, and the big second hand in the big market is the chronograph second hand. Usually, the chronograph second hand in the big market is not moving. When timing, the chronograph second hand moves for 60 seconds, the chronograph second hand moves for one grid for 30 minutes, twice for 30 minutes, 12 hour for one grid, and so on. Extended data:
How to choose a watch: 1. Check the appearance. You can check the case, glass, dial and hands. 2. Sensitivity The sensitivity of a watch refers to the early or late start of the balance wheel in the watch. One of the inspection methods is to gently shake the watch that has not been wound and stopped moving, and observe the movement of the second hand with the help of the shaking force; If the second hand doesn't go in a short time, it means that this watch can be completely loosened after it is fully wound, and the sensitivity is relatively high; If the second hand keeps moving for a long time, it means that the watch can't be completely loose after being fully wound, the sensitivity is not high, or the internal parts are faulty. 3. For a watch with normal performance, when the winding shaft is wound, it feels loose at first, and then it becomes tighter and tighter. When it can't turn forward any more, it means that the spring has been completely tightened. 4. There must be a certain gap between the hands of the watch and the watch glass, between the three hands, and between the hands and the dial. If they touch each other, it will affect their walking. 5, tightness This is to check whether the parts of the moving needle part are installed normally. 6. Listen to whether there is any abnormal sound when the watch leaves. You can only judge whether there is any special problem with the watch, and you can't judge whether the watch is good or bad. Baidu encyclopedia-observation
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What do the three circles on the watch mean?
The three circles on the watch are the small second hand dial, the minute cumulative dial and the hour cumulative dial. Different models have different uses. 1, stopwatch. Is the role of the second hand. Generally, this small dial is just below the big dial. This kind of watch uses a small dial as the second hand. You think it's a second hand, but it's actually a chronograph hand. Don't move at ordinary times If it moves, it will consume a lot of electricity. 2.24-hour instructions. It means 24 hours. You are now 14 pm. In the small dial, point to 14.3 and calendar. 3 1 scale, pointing there, that day. 4. Timing hands. As stated in 1. The hands of the big dial are chronograph hands. When timing. This disc is the chronograph minute hand. Extended data:
The manufacture and production of watches are based on a simple and witty invention, that is, "clockwork". It can tighten and store energy, and it can slowly release energy to push the running device and hands in the watch to display time. This spring device in the watch is called the mainspring. Watch structure A watch consists of a meter head and a strap (clasp). Among them, the parts of the rice head include: movement, case, bottom cover, mirror, characters (often called dial), hands, handles (also called push) and order (required by some tables). The working principle of watches, watches are precision instruments used to display time. The principle of this instrument is to use a vibration system with constant period and continuous vibration as the standard. If we know the time (vibration period) required for a vibration system to complete a complete watch vibration and calculate the vibration times, then the time after so many vibrations is equal to the vibration period multiplied by the vibration times. That is, time = vibration period × vibration times. Mechanical watches use hairspring as vibration system. The balance wheel 1 is fixed on the balance shaft 2, and the upper and lower journals of the balance shaft are sleeved in the bearing and can rotate around the bearing. One end of the hairspring part 3 is fixed on the swing shaft, and the other end is fixed on the splint. Due to the elastic deformation of the hairspring, the motion of the balance wheel changes from rotation to reciprocating motion. The balance hairspring system is affected by bearing friction, air resistance and internal friction of hairspring, and the swing amplitude (amplitude) will gradually decay until it stops. In order to make it vibrate continuously without attenuation, it is necessary to replenish energy to the hairspring system regularly, that is to say, there must be an energy device in the watch. The periodic energy supplement of vibration system is realized by a special mechanism & escapement mechanism. The escapement mechanism is also used to calculate the vibration time of the hairspring system. Therefore, the hairspring system and escapement mechanism are the key devices of mechanical watches. References:
Baidu encyclopedia-watch working principle
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