Online detecting method and equipment for state of cutting tool
A cutting tool and detection method technology, which is applied in the direction of measuring/indicating equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of low measurement accuracy, complex tool shape, and difficult to implement detection of cutting tools, etc., to achieve accuracy improvement Effect
Inactive Publication Date: 2018-03-06
王智中
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However, this vibration has a lot of noise that is not related to the state of the cutting tool, such as motor vibration, rotation between the various components of the cutting tool, friction noise, and the vibration of the cutting tool machine is not necessarily related to the state of the cutting tool, so the measurement is accurate degree is not high
In addition, similar to the above-mentioned off-line inspection, the shapes of cutting tools used today are relatively complex, and the parameter conditions of each set of cutting tools are different, so it is difficult to implement the inspection of cutting tools of different shapes
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[0035] based on the following Figure 1 to Figure 4 , and the embodiment of the present invention will be described. This description is not intended to limit the embodiment of the present invention, but is one of examples of the present invention.
[0036] refer to figure 1 shown, and with reference to figure 2 , the description of this embodiment is as follows. An online detection method for a cutting tool state according to an embodiment of the present invention is used to detect the state of a cutting tool, comprising the following steps: an extraction step S101 , an extraction step S102 and a determination step S104 . An online cutting tool state detection device 100 for implementing the above detection method according to an embodiment of the present invention includes an extraction device 1 , an extraction device 2 and a deterioration judgment device 4 . The capture device 1 includes a sound pressure capture mechanism 11 disposed on the side of the cutting tool. T...
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The invention relates to an online detecting method for a state of a cutting tool, and the online detecting method is used for detecting the state of the cutting tool. The online detecting method comprises the following steps: a capturing step, an extracting step and a judging step, wherein in the capturing step, an original sound pressure signal of a processed part is captured when the cutting tool cuts the processed part; in the extracting step, a sound pressure signal is detected from the original sound pressure signal with a predetermined frequency range, and the frequency range covers atleast one natural frequency of the processed part; and in the judging step, a characteristic value of the detected sound pressure signal is compared with a detected datum value, and the compared results are used for judging whether the cutting tool is bad or not. The invention also provides an online detecting equipment for the state of the cutting tool, and the online detecting equipment performsthe method.
Description
technical field [0001] The invention relates to a cutting tool state detection method and equipment, in particular to an accurate cutting tool state online detection method and equipment. Background technique [0002] In the metal cutting process, the state of the cutting tool is the main key that affects product quality and production cost. When the cutting tool is in poor condition (such as wear and tear, the cutting edge is broken), the cutting tool needs to be replaced. However, replacing the cutting tool prematurely will result in waste of cost, and replacing the cutting tool when the state of the cutting tool is seriously poor will result in the loss of defective products. Therefore, it is an important issue to accurately judge when to replace the cutting tool. [0003] Usually, the detection method of the cutting tool state is divided into two types: online detection and offline detection. Off-line detection means that after the cutting tool has been cut to a certain...
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IPC IPC(8): B23Q17/09
CPCB23Q17/0952
Inventor 王智中王仁甫龙暐魏江铭郑淙仁
Owner 王智中