Technology Research Of Mechanical Watch Balance Spring Balance Binning

Balance spring system is the key component of mechanical watch.The quality of the system directly affects the accuracy of the watch.And,the quality of the system bases on the quality of the balancing of the balance wheel as well as the matching of the balance wheel with hairspring.The essay researches the balance grading crafts of the balance spring system of mechanical watch,and offers a grading solution of silicon hairspring which is newly used in mechanical watch,designs a grading fixture for balance without regulator,analyses the developement,theory as well as the features of the balancing and grading devices of balance spring,optimizes its design,and makes some creations.The essay mainly contains:1.Generalizing the developement of balancing device and grading device,introducing evolution process of the balancing device from manual to automatic,and the using states of these two devices in Chinese watch factories.2.Analysing the working principle of the automatic balancing device,proposing laser balancing concept.Optimizing the balancing device,re-designing balancing-testing support of the device.3.Explaining the structure of the grading device,elaborating the problems that exists in the grading process,searching new grading methods for balance wheel without regulator with silicon hairspring.4.Analysing working principle of the grading device and designing the grading for silicon hairspring,introducing one-on-one data-base matching management method,and proving the use the above-mentioned method in production.5.Analysing the vibrating method on silicon hairspring to match the standard frequency,designing testing device for measuring the periodic amplitude of the balance spring as well as the fixture for the vibrating method.6.Forcasting the developement for the balancing and grading devices.