Piezoelectric-type four-dimensional cutting force-measuring platform

A piezoelectric and force measurement technology, applied in the field of sensing measurement and control, can solve the problems of narrow sensor application area and low torque measurement accuracy, and achieve the effects of high sensitivity, small lateral interference and high measurement accuracy.

Active Publication Date: 2009-09-09
DALIAN UNIV OF TECH
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  • Abstract
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the shortcomin

Method used

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  • Piezoelectric-type four-dimensional cutting force-measuring platform
  • Piezoelectric-type four-dimensional cutting force-measuring platform
  • Piezoelectric-type four-dimensional cutting force-measuring platform

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Embodiment Construction

[0015] The specific implementation manner of the present invention is described in detail in conjunction with accompanying drawing and technical scheme, as appended Figure 1-11 As shown, during assembly, four connecting screws 12 are used to rigidly connect the base 1, the middle plate 2 and the four piezoelectric quartz sensors 10 through four stepped holes e and four threaded holes j respectively, while the four connecting screws 12 Preload the four piezoelectric quartz sensors for sufficient preload. Four connecting screws 7 are used to rigidly connect the middle plate 2 and the upper plate 3 through four stepped holes i and four threaded holes n respectively. Four screws are used to fix the piezoelectric four-dimensional cutting force measuring platform to a on the base.

[0016] When external force and torque act on the sensor, the external force can be decomposed into tangential component force F X , F Y , normal force component F Z Component force in three directi...

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Abstract

The invention relates to a piezoelectric-type four-dimensional cutting force-measuring platform belonging to the technical field of sensing measurement and control, in particular to a force-measuring platform for detecting normal force and torque in three directions in the cutting process. The force-measuring platform comprises a base, a middle plate, an upper plate, a lead output plug, a lead, a thermal baffle, a sealing ring, four piezoelectric quartz sensors, a protective pad and connecting screws, wherein the four piezoelectric quartz sensors in diamond arrangement between the base and the middle plate are uniformly distributed on the same circumference of the same horizontal plane. The piezoelectric-type four-dimensional cutting force-measuring platform can simultaneously measures the normal force and the torque in three directions in any cutting process, has the advantages of high sensitivity, good linearity and repeatability, little transversal interference and high measurement precision and has universality for measuring drilling, grinding, milling, lathing and planing, thereby having wide application range.

Description

technical field [0001] The invention relates to a piezoelectric four-dimensional cutting force measuring platform, which belongs to the technical field of sensor measurement and control, and in particular relates to the detection of three-direction orthogonal force and torque in the cutting process. Background technique [0002] Cutting is the most important processing method in machinery manufacturing. With the continuous development of machine tools and cutting tools, the precision, efficiency and automation of cutting processing have been continuously improved, and the scope of application has also been expanding, thus greatly promoting the development of modern machinery manufacturing. The measurement of cutting force and torque is not only conducive to the study of cutting mechanism, calculation of power consumption, optimization of cutting parameters and tool geometry parameters, but more importantly, it can monitor the cutting process through the change of cutting forc...

Claims

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Application Information

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IPC IPC(8): B23Q17/09
Inventor 钱敏曲国杰张军
Owner DALIAN UNIV OF TECH
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