External grinding multiparameter integrated quality monitoring device and method

A technology of cylindrical grinding and quality monitoring, which is applied to the parts of grinding machine tools, grinding/polishing equipment, and machine tools designed for grinding the rotating surface of workpieces, etc., to expand the monitoring range, reduce the quantity and rework rate, and improve Effect on Yield and Production Efficiency

Inactive Publication Date: 2010-03-17
ZHEJIANG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is still a lack of devices or auxiliary systems that can effectively solve this problem on the market, which is the important background for proposing this invention

Method used

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  • External grinding multiparameter integrated quality monitoring device and method
  • External grinding multiparameter integrated quality monitoring device and method
  • External grinding multiparameter integrated quality monitoring device and method

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Embodiment Construction

[0022] like figure 1 As shown, the structure of the cylindrical grinding multi-parameter integrated quality monitoring device of the present invention mainly includes the following parts:

[0023] 1) Signal acquisition device 1: includes four sets of sensors, namely:

[0024] The displacement sensor 12, the grinding wheel feed displacement sensor used to measure the radial feed displacement of the grinding head, can adopt the LVDT differential pressure variable displacement sensor DG09 produced by Zhongyuan Measuring Instruments. The measuring range of the differential pressure variable displacement sensor is ±5mm, the total stroke is 11mm, the front stroke is 5.1-5.3mm, the linearity error is ±0.5%, the repeatability error is 0.2μm, and the measuring force is 0.7-0.9N. The output end of the displacement sensor is connected to the acquisition board 21 in the filtering and amplifier 2 .

[0025] The power sensor 11 is the main motor power sensor used to measure the power of t...

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Abstract

The invention discloses an external grinding multiparameter integrated quality monitoring device. A signal collection device of the external grinding multiparameter integrated quality monitoring device comprises a power sensor, a displacement sensor, an acceleration sensor and a sound emission sensor; a filter amplifier comprises a collection plate, a constant current adapter, a preamplifier and apreamplifier power supply separation annunciator; the power sensor is connected with a wiring terminal plate; the displacement sensor is connected with the collection plate; the acceleration sensor is connected with the constant current adapter; the sound emission sensor is connected with the preamplifier which is connected with the preamplifier power supply separation annunciator; the collectionplate, the constant current adapter and the preamplifier power supply annunciator are respectively connected with the wiring terminal plate which is connected with a data collection card; and the data collection card is connected with a signal analysis and display device. The invention can establish coupling relation between related status characteristic parameters and product quality indexes during grinding so as to direct the adjustment of grinding technological parameters, thereby improving the reliability of quality monitor and judgment.

Description

technical field [0001] The present invention relates to the multi-parameter collection and analysis of the feed displacement of the grinding wheel, the power of the main motor of the grinder, the vibration of the grinding wheel and the acoustic emission in the grinding area during the grinding of the outer cylindrical grinder, and obtains the feed displacement of the grinding wheel, the power of the main motor of the grinder, A quality monitoring device and method for the coupling relationship between the vibration amount of the grinding wheel and the acoustic emission signal in the grinding area and the roughness, roundness, groove shape error, etc. Background technique [0002] Cylindrical grinding, as a key process in the finishing of shaft parts, plays a vital role in ensuring its processing quality, so it has attracted much attention. The advanced CNC cylindrical grinding machine greatly reduces the degree of operator intervention, thus avoiding many human errors and st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B49/10B24B5/35
Inventor 余忠华杨振生郑乾汪虹
Owner ZHEJIANG UNIV
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