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Frequently asked questions about Austrian crocodile shears
Author : admin Time : 21-12-17 AllPageView : 295

Factors affecting unit shear resistance of crocodile shears:

1. Metal properties: the higher the strength limit of the metal material, the greater the unit shear resistance; the lower the plasticity, the smaller the relative penetration depth corresponding to shearing, the earlier the metal is broken, so the unit shear The resistance is related to the strength and plasticity of the metal.

2. Shearing temperature: The higher the temperature of the steel plate during shearing, the smaller the unit shear resistance, which corresponds to the greater the relative cutting depth of the shear.

3. Deformation speed: In hot shear, the deformation speed is theoretically proportional to the shear speed, and the unit shear resistance increases with the increase of the deformation speed; during cold shear, the shear speed has little effect on the unit shear resistance. Generally not considered.

4. Blunt radius of the knife: the size of the blunt radius of the knife directly affects the size of the unit shear resistance. The larger the blunt radius of the knife, the less "fast" the knife, and the greater the shear resistance. However, in the calculation of the shearing machine in the press-in phase, it is allowed to ignore the influence of the blunt radius of the knife.

In addition to the above factors, factors such as the coefficient of friction between the pressure plate, the shear blade and the steel plate and the geometry of the shear blade also have a certain impact on the unit shear resistance of the crocodile shearing machine. Operate and clean and maintain the machine strictly.


After years of technical improvement, NICKBALER's hydraulic shears have absolute quality and efficiency advantages at home and abroad.

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