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Method for measuring elasticity modulus of bank note and device for measuring maximum bending deflection

A technology of elastic modulus and bending deflection, which is applied in the field of material mechanical performance testing, can solve problems such as inapplicability, and achieve the effect of solving measurement problems and high measurement efficiency

Active Publication Date: 2015-02-18
GRG BAKING EQUIP CO LTD
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Problems solved by technology

[0004] The embodiment of the present invention provides a method for measuring the elastic modulus of banknotes and a device for maximum bending deflection, which can solve the technical problem that the stretching method is not suitable for measuring the elastic modulus of old banknotes

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  • Method for measuring elasticity modulus of bank note and device for measuring maximum bending deflection
  • Method for measuring elasticity modulus of bank note and device for measuring maximum bending deflection
  • Method for measuring elasticity modulus of bank note and device for measuring maximum bending deflection

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Embodiment Construction

[0045] The embodiment of the invention provides a method for measuring the elastic modulus of banknotes and a device for maximum bending deflection, which are used to solve the technical problem that the stretching method is not suitable for measuring the elastic modulus of old banknotes.

[0046] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] see figure 1 , an embodiment of the meth...

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Abstract

The embodiment of the invention discloses a method for measuring elasticity modulus of a bank note, and aims at solving the technical problem that the stretching method is not suitable for measurement of the elasticity modulus of an old bank note. The method disclosed by the embodiment of the invention comprises the following steps: measuring cantilever beam deflection at two ends of the bank note; fitting out a formula for relation between the elasticity modulus and the bending deflection of the bank note through a data fitting method; putting the cantilever beam deflection into the formula for relation as the bending deflection; and calculating the elasticity modulus of the bank note. The embodiment of the invention also provides a device for measuring the maximum bending deflection of the bank note. According to the method and the device disclosed by the embodiment of the invention, the technical problem that the stretching method is not suitable for measurement of the elasticity modulus of the old bank note can be solved.

Description

technical field [0001] The invention relates to the technical field of material mechanical performance testing, in particular to a method for measuring the elastic modulus of banknotes and a device for maximum bending deflection. Background technique [0002] Banknotes of different degrees of old and new have different stiffness, and the elastic modulus is generally used to characterize the stiffness. Under constant load, the deformation posture of the banknote in the ATM transport channel depends on the stiffness of the banknote itself. In the design process of the banknote transmission channel of ATM, it is generally necessary to consider the adaptability of the transmission channel structure to various banknotes with different rigidities. Therefore, it is very important to determine the elastic modulus of banknotes of different ages. [0003] Generally speaking, the measurement of elastic modulus of sheet media should follow the tensile performance test method. The princ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
Inventor 方敏杰罗攀峰梁添才龚文川
Owner GRG BAKING EQUIP CO LTD
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