according toTianyan checkedShenzhen Han’s CNC Technology Co., Ltd. announced a patent titled “drilling depth control method, PCB processing method, drilling device and PCB processing equipment”, and its application date isIn 2025On March 11, the announcement number was CN119589758A.
The patent describes a method for controlling the depth of drilling, a PCB processing method, a drilling device, and a PCB processing device. The first height value of the spindle is obtained by contacting the contour piece through the contact surface of the first presser foot or the second presser foot in the presser foot module. The tool is then moved to the tool inspector to obtain the second height value of the spindle and the length of the tool inside the tool inspector. Based on the first height value, the second height value, the length of the tool in the tool detector, and the preset drilling depth, the target drilling depth of the tool when machining the PCB is calculated. This method can achieve precise depth control, solve the problem of drilling depth error caused by early triggering of control signals, and improve the control accuracy of drilling depth. In addition, when controlling the drilling depth, the presser foot module does not need to contact the knife detector, which reduces the risk of knife detector failure caused by squeezing the knife detector of the presser foot module, thereby extending the service life of the knife detector.
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