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Sensor with three-way tiny high-frequency cutting force signal measurement capability

A technology of signal measurement and cutting force, which is applied in the field of sensors, can solve the problems of high cost, poor processing technology, and low natural frequency, and achieve the effect of solving low natural frequency, solving poor dynamic measurement accuracy, and meeting real-time monitoring requirements

Pending Publication Date: 2017-11-03
HARBIN INST OF TECH AT WEIHAI
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Problems solved by technology

[0005] The purpose of the present invention is to provide a low-cost piezoelectric sensor that can be used for three-way micro-high-frequency cutting force signal measurement to solve the problems of low natural frequency, poor processing technology, and high cost of cutting force measuring instruments in the high-speed cutting process. question

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  • Sensor with three-way tiny high-frequency cutting force signal measurement capability
  • Sensor with three-way tiny high-frequency cutting force signal measurement capability
  • Sensor with three-way tiny high-frequency cutting force signal measurement capability

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] see Figure 1-4 , the present invention provides a technical solution: a sensor with three-way small high-frequency cutting force signal measurement capability, including a dynamometer main body 1 and an upper cover 7, and the inside of the dynamometer main body 1 is provided with a parallel strain gauge Concentrated structure, the strain of which is amplified at the elastic sheet 2, the bottom of the dynamometer main body 1 includes a base 4, the base ...

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Abstract

The invention discloses a sensor with three-way tiny high-frequency cutting force signal measurement capability. The sensor comprises a force measurement platform and a sensing element, the force measurement platform comprises a dynamometer main body and an upper cover, the dynamometer main body and the upper cover are respectively provided with a three-way cutting force sensitive area, and a base seat below the dynamometer main body is provided with a clamping hole which enables convenient device installation. Various device body improvements are achieved, and the sensing element is made of a PVDF piezoelectric film; the sensor has the advantages of high frequency response, high sensitivity and the like. Problems of low frequency response and poor dynamic measurement accuracy of a conventional resistance type cutting dynamometer can be solved; the sensor with three-way tiny high-frequency cutting force signal measurement capability has great prospects for application.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a sensor capable of measuring three-way micro-high-frequency cutting force signals. Background technique [0002] Cutting force is an important parameter to describe the cutting process, and it is closely related to the generation of cutting heat, chip formation, tool surface wear, and machined surface quality. Grasping the changing law of cutting force, real-time monitoring of cutting force value and frequency characteristics is the main basis for calculating cutting power, formulating cutting amount and process equipment, which is of great significance for optimizing cutting parameters, improving productivity, suppressing chatter, and dealing with problems in cutting processing. , so the discussion on the changing law of cutting force is helpful to analyze the cutting process and has an important guiding role in the actual production. The direct test measurement of the dynamom...

Claims

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Application Information

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IPC IPC(8): G01L5/00
CPCG01L5/0076
Inventor 王延深张钰忻
Owner HARBIN INST OF TECH AT WEIHAI
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