For URWERK, the movement is a form factor. Precision chronograph performance is based on an accurate, reliable and durable movement, which should meet the 24-hour five-position test with a tolerance of minus 4 seconds to plus 6 seconds Standard; however, fine-tuning a watch in a watch-watch factory's supervised environment can vary greatly from the real-world use of the watch, such as a watch worn on the wrist; in reality, changes in orientation, temperature fluctuations, Greatly affect the watch's isochronous performance. The goal of URWERK's development of EMC (Electro Mechanical Control) watch is to make it easy for watch owners to fine-tune themselves for the best travel time performance, and EMC is the first watch in the history that can be easily monitored and fine-tuned by watch owners Precise intelligent mechanical watch.
Not only can the watch master grasp the travel time accuracy data provided by the EMC watch, but also can refer to the data for fine-tuning and match the pace of his life; and EMC is the first accurate intelligent mechanical watch that can be monitored and fine-tuned by the watch owner in the first place Between the watch and watch the main real harmony and interaction between the realm. However, EMC is a 100% mechanical watch, the electronic system will not affect the movement function, it will only be responsible for monitoring the movement accuracy, as the car's speedometer and tachometer will not affect the engine and gearbox ) The same performance.
EMC has four independent display: the upper left corner of the daily negative 20 seconds to 20 seconds real-time display accuracy display, the upper right corner of the second hand to link the balance weight, the lower right corner of the hour minute plate, the lower left corner of the power for 80 hours Turns the front and back visible URWERK homemade movement with integrated circuit board (ie, the brain of the EMC), near the crown position is one of the two clockwork drum, near the crank handle side is the top of the balance wheel and electronic monitor .
Felix Baumgartner, co-founder of URWERK, said: "It was a natural step for me to be a watchmaker when we started EMC research and development about six years ago. Like all watchmakers, there is a Witschi meter , Used to detect the accuracy of the watch, measuring meter through the rhythm of the balance wheel to analyze travel time accuracy, and 24 small watch error (positive / negative for a few seconds), measuring instrument impartial, I The god of the gods, it can be said to be the only one in the studio to obey the boss!
Adding a Witschi gauge to a mechanical watch is undoubtedly a major challenge for URWERK. Felix Baumgartner added: "Historically, only professional watchmakers coupled with sophisticated instrumentation can interpret the accuracy data of the movement; however, with EMC in hand, reliable and accurate data can be obtained with the push of a button The master can easily fine-tune this revolutionary watch on his own. "EMC has three main objectives: first, to show the impact of external factors (orientation changes, temperature and pressure) on travel time performance; The main table to fine-tune their own; the third is to achieve the main table and watch the interaction.
The precision movement assembled by EMC was developed by URWERK Zurich Studios and was fine-tuned by URWERK Geneva studios; the most rigorous testing of the movement included a five-position test within thirty days to determine its compliance with the standards of precision chronometer performance .
EMC movement of the technical and structural features include:
★ A special ARCAP alloy balance wheel; URWERK always love ARCAP alloy, because this material has anti-magnetic and anti-corrosion properties. This original balance makes a person shine, the appearance of the structure after careful calculation, so that optical sensors can maximize the function, and the balance wheel has excellent aerodynamic performance, minimize swing wear and tear
★ Two large spring drum overlapped by a single mandrel to provide 80 hours power reserve, to maintain a stable timepiece performance.
★ table back device with fine-tuning screws, with which you can adjust the actual operation of part of the gossamer length, which is very fine to adjust the balance precision. [page]
Olivier Evalet, software expert in software development and computer engineering, plays an important role in EMC's project to monitor and evaluate the movement's performance. "The key to this project is the use of precision optics Technology To measure the accuracy of a mechanical movement, we are doing better than the microsecond range and have developed a system that will work reliably for a long time. The power of the "electronic brain" comes not from the battery, but from a super Capacitors, the latter after 100,000 to 200,000 charge / discharge cycles, still able to maintain high performance; and ultra-high frequency electronic balance wheel is also very durable, the annual error of only three parts per million
The movement of the electronic monitoring system consists of the following components:
★ 28,800 swing frequency (4 Hz) Equipped with an optical sensor on the balance wheel, the accuracy data of the balance wheel can be captured within 3 seconds. The transmitter and receiver of the sensor are located on both sides of the balance wheel, Side button to start.
★ an electronic balance wheel, a very high speed 16,000,000 hertz swing, and 4 hertz balance wheel, you can come very accurate measurement data
★ Artificial intelligence system (computer), you can calculate the difference between the balance wheel and the electronic balance wheel: the difference between each microsecond, the unit is displayed as positive / negative 1 second every day - that is, The difference of 0.0000014 seconds per half swing translates into a 1 second error per day.
★ Manual generator (generator): The power of EMC's monitoring system (optical sensor and computer) is supplied by the miniature generator of Maxon Company in Switzerland. The motor generator of Mars Rover of NASA is also Developed by Maxon.
Felix Baumgartner Unveiled the First Page of EMC Technology The Next Step When URWERK co-founder and designer Martin Frei was on his toes, the challenge was to bring all of EMC's technical elements into a beautiful, comfortable watch. Martin Frei said: "The first step we usually make is to sketch out my idea of Felix, but it's not yet in the micromachining development stage, but EMC is very different because the technical elements are established and the design is more Complex. We will EMC parts concentrated to a minimum, so I have more space to play this time I take a pragmatic approach to the crank and the table ring, as well as the capacitor into a part of the case. Self-love objects: such as crank handle from the old SLR camera, the balance wheel is designed from the old 1/4 inch disc tape. "EMC technology allows watch owners to master the accuracy and fine-tuning to match The pace of their own life style is undoubtedly the beginning of a new era of interactive intelligent mechanical timepiece technology!
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