Defoamer is also required in metalworking fluids

15-11-2024

Defoamer antifoam is applicable to various industries, different anti-foaming agents play a corresponding role in various industries. Cutting fluid applied in the processing of metal will be in contact with a large amount of air, resulting in the generation of many air bubbles, foam generated with the active substances on the surface of the cutting fluid to form an adsorption film, which is not only difficult to eliminate, but also affects the quality and accuracy of the processed products.


What are the reasons for cutting fluid foaming?

1, the water quality is relatively soft, softened water and alkaline water to a certain extent increases the foam in the liquid.
2, if the fluid circulation pump is not sealed tightly will also increase the foam in the liquid.
3, the cutting fluid flow rate is too fast, the bubbles do not have time to overflow, more and more bubbles gathered, resulting in a large number of bubbles.
4, the volume of the cutting fluid tank is too small, resulting in insufficient residence time of the cutting fluid.
5, the design of the system is unreasonable, especially the layout of the return pipe and the liquid storage tank is unreasonable. Too many right angles in the tank design, or the cutting fluid nozzle angle is too straight.
6, external factors can also affect the appearance of air bubbles in the liquid, such as cleaning agents contaminated cutting fluid and impurities infiltration.


Metal working fluid defoamer is made of modified polyether and fluorine-containing raw materials through a special process of compounding, metal working fluid defoamer is easily soluble in water, high temperature resistance, resistance to strong acid and alkali, high shear and high pressure and other conditions, metal working fluid defoamer can be continuously maintained defoaming and foam inhibition efficacy.


Metal working fluid defoamer does not float on the surface of oily liquid, and is widely used in turning, milling, planing, grinding, gear machining, threading and other machining processes. Metal working fluid antifoam defoamer for bubble inhibition for a long time and will not affect the lubrication and cooling performance of the cutting fluid, is a multi-functional antifoam, is widely used.


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