The opening size of the blade of the x-ray collimator light, that is, the opening size of the blade, determines the projection range of the X-ray emitted, and the surplus part of the light emitted by the bulb will exceed the opening range of the blade. It will be absorbed and blocked by the blade and cannot be launched.
In order to avoid the harmful effects of excessive X-rays, x-ray collimators are needed to block them. The device used to control the opening size of x-ray collimator optical knife is usually called the blade driving device. At present, the x-ray collimator light blade drive device has a gear lever drive device, a wire rope swing rod drive device and a screw plus linear guide rail drive device.
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