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On-line measurement cutter system of cutting force of embedded thin film strain gage transducer

A strain gauge sensor and tool system technology, applied in the direction of measuring/indicating equipment, manufacturing tools, metal processing equipment, etc., can solve the problems of high manufacturing cost, complex structure, large volume of force measuring instrument, etc., and achieve reasonable structure and ingenious design , solve the effect of large volume

Inactive Publication Date: 2014-04-09
ZHONGBEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of large volume, low measurement accuracy and sensitivity, complex structure and high manufacturing cost of existing dynamometers, the present invention provides a cutting force online measurement tool system embedded with film strain gauge sensors

Method used

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  • On-line measurement cutter system of cutting force of embedded thin film strain gage transducer
  • On-line measurement cutter system of cutting force of embedded thin film strain gage transducer
  • On-line measurement cutter system of cutting force of embedded thin film strain gage transducer

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Embodiment Construction

[0014] A cutting force online measuring tool system embedded with thin film strain gauge sensors, including a signal acquisition part and a signal processing part; Strain gauge sensor 6, connection terminal 7, fastening screw 8, connecting wire 9; The signal processing part includes a voltage feedback operational amplifier 10, an instrument amplifier 11, and a PC 12; wherein, the blade 2 is fastened and installed on the The front left side of the knife bar 1; the pressure plate 4 is fastened and installed on the front left side of the knife bar 1 by the fastening bolt 5, and the front right side of the pressure plate 4 is pressed against the left side of the blade 2; The thin-film strain gauge sensor 6 is fixedly installed in the middle of the side of the knife bar 1; the terminal 7 is fastened and installed on the rear lower side of the knife bar 1 by the fastening screw 8; The signal input end of terminal 7 is connected; The signal output end of connecting terminal 7 is conn...

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Abstract

The invention relates to the technology of cutting force measurement, in particular to an on-line measurement cutter system of the cutting force of an embedded thin film strain gage transducer. The problems that an existing force measurement instrument is large in size, low in measurement precision and sensitivity, complex in structure and high in manufacturing cost are solved. The on-line measurement cutter system of the cutting force of the embedded thin film strain gage transducer comprises a signal collecting part and a signal processing part. The signal collecting part comprises a cutter rod, a blade, a positioning screw, a pressing plate, a fastening bolt, the thin film strain gage transducer, a wiring terminal, a fastening screw and a connecting line. The signal processing part comprises a voltage feedback operational amplifier, an instrumentation amplifier and a PC. The blade is mounted on the left side face of the front portion of the cutter rod in a fastening mode through the positioning screw, and the thin film strain gage transducer is fixedly mounted in the middle of the side face of the cutter rod. The on-line measurement cutter system of the cutting force of the embedded thin film strain gage transducer is suitable for measuring the cutting force in the metal cutting machining process.

Description

technical field [0001] The invention relates to cutting force measurement technology, in particular to an online cutting force measurement tool system embedded with film strain gauge sensors. Background technique [0002] Cutting force is one of the main physical phenomena in the metal cutting process. Its magnitude not only directly affects the surface quality of cutting thermal processing, tool wear and tool durability, but also is an important basis for the design and use of machine tools, tools and fixtures. Therefore, in the actual cutting process, the measurement of cutting force is of great significance. Under the existing technical conditions, the measurement of cutting force is generally realized by a dynamometer. However, the existing dynamometer is mostly composed of various discrete components, which leads to the following problems: First, the large volume makes it unable to meet the measurement requirements of miniaturization. Second, the measurement accuracy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q17/09
CPCB23Q17/0966B23Q2717/003
Inventor 成云平武文革刘丽娟杜晓军李琦李学瑞冯霞
Owner ZHONGBEI UNIV
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