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The quality requirements of the drawing lubricant

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The quality of wire drawing lubricant requirements: the film is good, and can effectively adhesion on the surface of metal processing; can bear high pressure, good thermal stability; no corrosive; the cooling effect is good; after the process is easily removed; no irritating smell, harmless to the human body. Among them, under the high pressure condition, lubricant film sticking tarsal and heat resistance is particularly important.
In the production process of copper wire drawing practice, there are a variety of wire drawing lubricant to use, great difference in their service performance, and some wire drawing lubricant will turn black, smelly in use, seriously affecting the quality of wire pull over, so in order to improve the quality of wire rod, save the cost, the reasonable choice and the correct use of wire drawing lubricant is particularly important.
Lubrication mechanism of lubricating fluid to form a layer of lubricant film deformation in metal and the touch hole can reduce the friction between, drawing, while reducing energy consumption and processing time, prolong the service life of the die. Lubricant can be to produce metal deformation heat away quickly, reduce the metal wire and cross hole temperature, stop the oxidation of fat. The lubricating liquid continuous flushing die holes to remove metal dust function.
Lubricant concentration, drawing friction decreases, reduce energy consumption, product line bright surface. But the concentration is too large, the effect of flushing the die hole smaller, wire surface easy groove and the metal dust suspended in the lubricating liquid, not easy to deposit, lubricating effect. Lubricant temperature is too high, the heat generated in the drawing is not easy to take, wire easy to oxidation discoloration, while reducing the service life of the die, but also affects the lubricating film strength, make the lubrication effect is reduced. The temperature is too low, viscosity increased, is not conducive to drawing. The cleanliness of the lubricating liquid lubricant should be kept clean. If people acids mixed lubricating fluid, will cause the lubricating Jing isolated, lose lubrication effect; alkali content or chlorine ion content increases, the metal wire will be corrosion, mechanical impurity increases, will affect the lubrication system unimpeded. Cause the lubricating fluid supply shortage, influence of lubrication, cooling effect.

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