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　　发条是一根呈S形的渐开式回旋弹赞，机械手表发条可以是自由的或装于盒内的。自由发条有密圈大转数的(n/4)及松圈小转数的(n=2或3 )转数少的自由发条做成类似于具有外端刚性固定的游丝。发条的外端有外钩，用来挂在条盒内壁的勾糟上，发条里端有长方型小孔(俗称里钩)，挂在条轴上，把条盒盖装在条盒轮的上面，防止发条弹出来.保证发条在清拮和有油润滑的状态工作。当转动上条柄之后，发条即被卷紧而产生弹力，由于棘爪控制了大钢轮又和条轴用螺丝钉连接成一体，所以条轴也不能转动，发条的弹力只能驱动条盒轮转动，条盒轮便推动与它相啮合的中心齿轮(传动部分)转动。发条的转角很小，使得工作时发条圈相互不接触。在自由位置时，发条具有阿基米德螺线形状，而由卷绕所造成的应力，可用热处理的方法，在卷绕后予以消除。这样的发条总的转角(从自由位置计算)，不超过2或4圈，并且工作转角通常小于1/2圈。 由此，在上发条时，不仅发条的驱动少力矩停止作用于主轮，而且，因轮2对爪3和盘簧1的摩擦，还可能出现负的力矩。表正常情况下是把在不拔出状态向上旋转是上发条，新表或久置的表怎么上发条?建议上发条30次左右，这样能给表储蓄一些动力，以免因活动量不够而引起的停顿或计时不准。但不要经常手动上发条，那样对把头的防水垫圈有害，会影响手表的防水功能。 spring is a S - shaped gradually open - type cyclotron, mechanical watches can be free or installed in the box. Free spring densely circle speed (n/4) and the loose circle of small speed (n=2 or 3) speed and less freedom made similar to the spring has an outer end rigidly fixed hairspring. A outer end of the outer hook, used to hang on the box wall on the end of a bad hook, a rectangular hole (commonly known as Li, hanging on the hook) shaft, put a lid mounted on a wheel box, to prevent a bomb. That spring in the Qing and antagonistic state oil lubrication. When a rotating handle, spring is tightly rolled and elastic, the pawl control of the big steel wheel and a shaft with screw connected together, so the shaft can not rotate, stretch only a driving box to rotate, a box wheel drives the center gear wheel engages with it (drive) rotation. The rotation angle of the spring is very small, so that the spring ring of the work is not in contact with each other. In the free position, the spring has the shape of the Archimedes spiral, caused by the winding stress method can be used for heat treatment, be eliminated during winding. Such a spring total rotation angle (calculated from the free position), not more than 2 or 4 cycles, and the working angle is usually less than 1/2. Thus, in the wind, not only a driver less torque stop acting on the main wheel, and, because of round 2 claws 3 and 1 spring friction, also may be in the negative moment. Normal table is put in not drawing state to rotation is winding, a new table or a long set of table a proposal how? A about 30 times, it could give the table saving motivation, so as to avoid activity caused by insufficient or no pause time. But do not often manually on the spring, as the head of the waterproof gasket harmful, will affect the performance of the waterproof watch.