Invasant types of bag making machine parts:

The invalidation of a computer bag making machine parts means that during the entire application of the parts, part of the part or completely lacks the role of the design scheme. The parts are completely destroyed and cannot work again; or the parts have been severely destroyed. If the work will be lost during work again; or although it can work safely, the precision of the design scheme has been lost.

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The general ineffective method can be divided into three types: excessive variable ineffectiveness, ineffective cracking, and ineffective surface damage.

Excessive deformation invalid: The parts are invalid due to excessive forms exceeding the category of allowing the category. The key contains invalid methods such as excessive elastic deformation, plastic deformation, and stress relaxation generated at high temperatures.

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Cracking invalid: Due to excessive part installation or fatigue damage, it is separated from two or two parts of the two or two parts of each other. Cracking is a more effective way to relative. It contains several types of ways such as toughness break, ultra -low temperature crispy invalidation, fatigue cracking invalid, stress loose cracking, and invalid natural environment resistance.

Effective surface damage is invalid: During the work of the parts, the relative friction of the surface layer or the erosion of the natural environmental substance is invalid caused by the damage or specification transformation of the surface layer. It key contains the method of surface grinding loss, ineffectiveness, and the ineffectiveness of the surface layer.