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Intelligent cutter with micro three-way cutting force measurement system

A measurement system and cutting force technology, applied in lathe tools, measuring/indicating equipment, turning equipment, etc., can solve the problem of inability to meet the requirements of measurement accuracy and sensitivity for ultra-precision machining applications, insufficient industrial practicability, and large volume and other issues, to achieve the effect of ultra-precision adaptive intelligent processing, online real-time sensing and monitoring, and high measurement sensitivity

Inactive Publication Date: 2015-02-18
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an intelligent tool with a small three-way cutting force measurement system to solve the problem of high cost, large volume, limited installation space, and industrial practicability of measuring equipment and instruments for small cutting forces in the ultra-precision machining process. Insufficient and unable to meet the requirements of ultra-precision machining applications for measurement accuracy and sensitivity, which restricts real-time monitoring of the cutting process and adaptive intelligent machining.

Method used

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  • Intelligent cutter with micro three-way cutting force measurement system
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  • Intelligent cutter with micro three-way cutting force measurement system

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Experimental program
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specific Embodiment approach 1

[0036] Specific implementation mode one: as Figure 1-Figure 6As shown, the smart tool with a tiny three-way cutting force measurement system, the smart tool includes a tool holder 1 and a cutting blade 3, and the smart tool also includes a tiny three-way cutting force measurement system 2, a sealing cover 4 and a signal The interface end 5; the tool bar 1 is composed of three parts: the cutter head 1a, the tool bar main body 1c and the transition section 1b connecting the tool head 1a and the tool bar main body 1c; The surface coincides with the central plane of the tool bar main body 1c, and the tip of the cutting blade 3 is located on the center line of the tool bar main body 1c; the front end of the tool bar main body 1c is provided with a sensing and measuring section, and the sensing and measuring section is provided with a force-measuring cavity; The three-way cutting force measurement system 2 is fixedly installed in the force-measuring cavity of the sensing and measur...

specific Embodiment approach 2

[0039] Specific implementation mode two: as Figure 4-Figure 7 As shown, the intelligent tool with a tiny three-way cutting force measurement system described in Embodiment 1, the sensing measurement section is composed of two packaging sections 1ca and a quadrangular prism structure section 1cb located between the two packaging sections 1ca , the centerlines of the quadrangular prism structure section 1cb and the two encapsulation sections 1ca coincide with the centerline of the cutter bar main body 1c, the cross-sections of the encapsulation section 1ca and the quadrangular prism structure section 1cb are square, and the cross-section of the encapsulation section 1ca is smaller than the cutter bar body 1c. The cross-section of the rod main body 1c, the cross-section of the quadrangular prism structure section 1cb is smaller than the cross-section of the packaging section 1ca, thereby forming a force-measuring concave cavity connected on the peripheral side of the cutter bar; ...

specific Embodiment approach 3

[0040] Specific implementation mode three: as Figure 8 b and Figure 8 As shown in c, the smart tool with a tiny three-way cutting force measurement system described in Embodiment 2, the sensing unit 2a is a single sensor or a sensing array composed of at least two sensors.

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Abstract

The invention discloses an intelligent cutter with a micro three-way cutting force measurement system, belonging to the field of ultraprecise cutting machining as well as measurement and real-time monitoring for a cutting force generated in the ultraprecise cutting machining process. The intelligent cutter can be used for the real-time sensing measurement on the micro three-way cutting force generated in the ultraprecise cutting machining process. The intelligent cutter mainly comprises a cutter bar, a cutting blade, a cutting force measurement system and a signal interface end. The front end of a main body of the cutter bar is provided with a sensing measurement section; the micro three-way cutting force measurement system is fixedly connected into a force measurement chamber of the sensing measurement section; sensing units respectively cross over and are arranged on the sensing measurement section or at the centers of the inner side faces of all sensing substrates; and the signal interface end realizes signal output at the rear end of the cutter bar. The sensing units are used for sensing the stress and the displacement generated by a three-way cutting force during the cutting process, so as to obtain corresponding signals; and the small-three-way cutting force is accurately solved through calibrating and uncoupling. The intelligent cutter with the micro three-way cutting force measurement system is used for relevant scientific research in the field of ultraprecise machining, real-time monitoring of a cutting process and adaptive machining.

Description

technical field [0001] The invention belongs to the field of ultra-precision cutting processing and its cutting force measurement and real-time monitoring, in particular to an intelligent tool with a three-way cutting force measurement system. Background technique [0002] As the most stable and reliable source of information in the machining process, the cutting force reflects the interaction between the tool and the workpiece and the surface formation process of the workpiece in its magnitude and dynamic changes. A large number of research results show that every small change in the cutting state can be reflected by the change of the cutting force, and the detection of cutting force is one of the most researched and applied monitoring methods at home and abroad. By monitoring the real-time changes in the cutting force during the machining process, through time series analysis or related data signal processing, it can be used to conduct research on scientific issues related...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B27/00B23Q17/09
Inventor 肖才伟程凯丁辉陈时锦
Owner HARBIN INST OF TECH