A process for improving the surface roughness of cold-rolled titanium coils
A technology of surface roughness and process method, which is applied to workpiece surface treatment equipment, manufacturing tools, metal rolling, etc., can solve the problems of sand pollution, rapid decay of roll roughness, surface cratering, etc., and achieves simple and convenient operation. The effect of avoiding bell annealing bonding and improving stamping performance
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Embodiment 1
[0021] A process method for improving the surface roughness of cold-rolled titanium coils, specifically: prepare an emulsion with a concentration of 0.6% by using a non-ionic steady-state rolling lubricant and desalinated water in a ratio of 0.6:100, and the movement of the emulsion Viscosity is 45mm 2 / s, the stability index ESI is 0.70, the emulsion is first circulated in the emulsion pipeline circulation system of the 1450 cold rolling mill archway for 10 hours, the temperature during circulation is 50 °C, and the thickness of the titanium coil is changed by 1450 four-roll cold rolling mill Roll from 4.00mm to 1.50mm, the total deformation is 62.50%, and the roll roughness is 0.500μm. Emulsion injection is carried out at the same time as rolling. The emulsion injection volume is 15L / min. The rolling parameter table is shown in Table 1. For titanium coils Perform degreasing and measure the roughness as shown in Table 2, the roughness of the titanium coil is 1.500-1.670μm.
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Embodiment 2
[0027] A process for improving the surface roughness of cold-rolled titanium coils, specifically: prepare an emulsion with a concentration of 1.0% in a ratio of 1:100 with non-ionic steady-state rolling lubricant and desalinated water, and the movement of the emulsion The viscosity is 45mm2 / s, and the emulsion stability index ESI is 0.75; the emulsion is first circulated in the emulsion pipeline circulation system of the 1450 cold rolling mill archway for 5 hours, and the temperature during circulation is 40 ° C, and the 1450 four-roll cold rolling mill is used to The thickness of the titanium coil is rolled from 3.00mm to 1.00mm, the total deformation is 66.67%, the roll roughness is 0.400μm, and the emulsion injection is carried out at the same time as rolling. The emulsion injection volume is 20L / min. The rolling parameters are shown in Table 3 , Degrease the titanium coil and measure the roughness as shown in Table 4, the roughness is 1.200-1.350 μm.
[0028] Table 3 Rolli...
Embodiment 3
[0033] A method for improving the surface roughness of cold-rolled titanium coils, specifically: prepare an emulsion with a concentration of 0.9% by using a non-ionic steady-state rolling lubricant and desalinated water in a ratio of 0.9:100, and the kinematic viscosity of the emulsion is 45mm 2 / s, the emulsion stability index ESI is 0.65; first circulate the emulsion in the emulsion pipeline circulation system of the archway of the 1450 cold rolling mill for 10 hours, the temperature during circulation is 45°C, and use the 1450 four-roll cold rolling mill to coil the titanium strip The thickness is rolled from 3.50mm to 1.20mm, the total deformation is 65.71%, and the roll roughness is 0.300μm. The emulsion injection is carried out at the same time as rolling. The emulsion injection volume is 15L / min. The rolling parameter table is shown in Table 5. For titanium The coils were degreased, annealed, and the roughness was measured as shown in Table 6, and the roughness range wa...
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