锁螺丝机的锁紧力调节是通过调整扭矩设置来实现的。锁螺丝机通常配有扭力调节环或按钮，通过旋转或按压这些控制装置可以改变驱动装置输出的扭矩大小。
驱动装置在输出扭矩时，会对螺丝施加一定的力使其旋入或旋出被固定的物体。扭矩设置越大，锁螺丝机施加的力就越大，螺丝的锁紧力也就越大。
要调节锁螺丝机的锁紧力，首先需要确认螺丝的规格和所需的锁紧力，然后通过调整扭矩设置以达到预期的效果。在调节过程中，可以通过不断测试螺丝的紧固情况来确定是否已经达到了所需的锁紧力。
不同的锁螺丝机可能具有不同的扭矩调节方式，因此在进行调节之前最好查阅相关的使用说明书以获取准确的操作指导。
Locking the screw machine is adjusted by adjusting the torque setting. The screw machine is usually equipped with a torque adjustment ring or button. By rotating or pressing these control devices, the torque output of the drive device can be changed.
When the drive device outputs torque, it exerts a certain force on the screw to screw it into or out of the fixed object. The larger the torque setting, the greater the force applied by the screw machine, and the greater the tightening force of the screw.
To adjust the locking force of the screw machine, first confirm the specifications of the screw and the required locking force, and then adjust the torque setting to achieve the desired result. During the adjustment process, the tightening condition of the screw can be continuously tested to determine whether the required locking force has been achieved.
Different screw machines may have different torque adjustment methods, so it is best to consult the relevant user manual before adjusting for accurate operation guidance.