Method for inspecting cigarette rolling quality stability in cigarette processing

A technology of quality stability and inspection method, which is applied in the field of inspection of quality stability of cigarette processing and rolling, and can solve problems such as the inability to jointly monitor the physical indicators of cigarettes and the inability to effectively test the comprehensive physical quality stability of cigarettes

Active Publication Date: 2015-04-08
ZHENGZHOU TOBACCO RES INST OF CNTC
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing methods cannot jointly monitor the physical indicators of cigarettes during the rolling process, resulting in the inability to effectively test the stability of the comprehensive physical quality of cigarettes, and provide a ...

Method used

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  • Method for inspecting cigarette rolling quality stability in cigarette processing
  • Method for inspecting cigarette rolling quality stability in cigarette processing
  • Method for inspecting cigarette rolling quality stability in cigarette processing

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0031] The present invention uses PROTOS-70 model B-J2 machine to produce low-focus brand cigarette A and common brand cigarette B, and PROTOS-M5 model F-J7 machine and PROTOS-70 model B-J1 machine. Brand B cigarettes are the inspection objects, and the monitoring indicators are quality, circumference, draw resistance, length, hardness, and total ventilation rate (low-focus cigarette indicators), and the method is as follows:

[0032] (1) After the crimping machine is stable, 30 groups of samples are continuously taken at the exit at intervals of 5 minutes, and each subgroup contains 30 cigarettes. In this way, the samples of each machine and brand are respectively extracted. Then send the samples to the quality inspection room to test the physical indicators of each cigarette and record the data.

[0033] (2) Data processing

[0034] (a) Taking the brand A...

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Abstract

The invention provides a method for inspecting the cigarette rolling quality stability in cigarette processing. The method is characterized in that a multivariate control chart tool in a statistical process control method is used for inspecting the integral rolling quality stability of a plurality of physical index expressions of the cigarettes. According to the method, the multivariate statistical process control theory is used, firstly, the controlled historical data estimation is carried out to obtain mu0 and Sigma0, then, x<2> and the absolute value of S statistical quantity for control are calculated according to the field collection data, and the deviation condition of the multi-index average value vector from the standard value and the sample in-group dispersing degree in the cigarette processing process can be controlled, so that the combined monitoring of a plurality of quality feature variables is realized, and the integral quality stability of the cigarette rolling integral process can be reasonably evaluated. The method has the important significance on improving the cigarette physical quality and improving the stability of the cigarette rolling process.

Description

technical field [0001] The invention relates to a method for inspecting the stability of rolling quality of processed cigarettes, specifically referring to a method for inspecting the stability of comprehensive rolling quality characterized by multiple physical indicators of cigarettes by using the multivariate control chart tool in the statistical process control method . Background technique [0002] With the increasing requirements of consumers on the quality of cigarettes, more stringent requirements are put forward for the stability of cigarette rolling quality. Cigarettes are a typical quality multi-characteristic product. The physical indicators controlled in the rolling process include weight, hardness, draw resistance, circumference and many other quality characteristic parameters, and the quality characteristics are interrelated and jointly affect product quality. At present, in the packaging process, the control problem of multiple quality characteristic paramete...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02G05B19/41875
Inventor 朱文魁王坤堵劲松舒芳誉王乐魏步建罗靖
Owner ZHENGZHOU TOBACCO RES INST OF CNTC
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