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A kind of precision grinding roller grinding wheel and preparation method thereof
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A grinding wheel and roller technology, applied in the field of grinding wheels, can solve the problems of uneven structure density and hardness, inability to achieve large diameter, out-of-tolerance balance performance, etc., and achieve uniform structure density, excellent nucleation and lubricating performance, and improve the effect of speed.
Active Publication Date: 2018-06-05
江苏华东砂轮有限公司
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Problems solved by technology
[0003] In order to overcome the disadvantages of the existing technical grinding wheel due to the poor wear resistance of the roll grinding wheel, the uniform structure density, the uneven hardness, and the poor balance performance, it is impossible to realize the large-diameter, high-thickness grinding wheel, high-speed precision grinding, automatic grinding roll defects, and provides A kind of precision grinding wheel with low heat generation, good micro-blade performance, excellent wear resistance, uniform structure density and balance performance, realizing large diameter, high thickness, high-speed precision grinding, and easy for users to automate
Method used
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Embodiment 1
[0020] Implementation example 1, the finished product specification (mm) of the precision grinding roller grinding wheel of this implementation example (grinding wheel outer diameter × thickness × aperture) 1066 × 150 × 508, the grinding wheel blank specification: 1150 × 169 × 500, particle size: 100#, use line speed : 60M / s, finished product hardness: N grade, density: 2.46, feeding unit weight, 332kg, made of the following substances by weight percentage:
[0021]
[0022]
[0023] Make according to the present invention, concrete operation is;
[0024] 1) Ingredients mixing, mixing equipment: upper and lower double pot countercurrent mixer, weigh the grinding material according to the formula, pour it into the upper pot of the countercurrent mixer, start the mixer, add the wetting agent phenolic resin solution, stir for 3-5min, make Wet it and the abrasive material fully, and start the mixer at the same time, add phenolic resin, ferrous sulfide, barite, cryolite, ligh...
Embodiment 2
[0036] Implementation example 2, the finished product specification (mm) of the precision grinding roll grinding wheel of this implementation example (grinding wheel outer diameter × thickness × aperture) 1066 × 150 × 508, the grinding wheel blank specification: 1150 × 169 × 500, particle size: 100#, use line speed : 60M / s, finished product hardness: K grade, density: 2.46, feeding unit weight, 332kg, made of the following substances by weight percentage:
[0037]
[0038] The specific operation is;
[0039] 1) Ingredients mixing, mixing equipment: upper and lower double pot countercurrent mixer, weigh the grinding material according to the formula, pour it into the upper pot of the countercurrent mixer, start the mixer, add the wetting agent phenolic resin solution, stir for 3-5min, make Wet it and the abrasive material fully, and start the mixer at the same time, add phenolic resin, ferrous sulfide, barite, cryolite, light magnesium oxide, lithopone, stir for 5-10min, mak...
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Abstract
According to a manufacturing method for a precise grinding wheel for grinding rollers, the composite technology of a high-strength and high-performance high polymer resin structure and different organization structures inside the grinding wheel is adopted, wherein the high-strength and high-performance high polymer resin structure is composed of ceramic spherical abrasives, phenolic resin, ferrous sulfide, barite, cryolite, light magnesium oxide and lithopone; under the action of grinding force, point-like grinding is formed, small abrasive grains are passivated and fall off continuously, passivated parts of the small abrasive grains can resolve along crystal faces, new sharp openings are generated immediately and take participation in the cutting action, and the self-sharpening effect is achieved. The consistent resection rate can be maintained in the whole grinding process, the surfaces of workpieces have consistent smooth finish and consistent roughness, stable grinding is provided, workpiece burn resistance is achieved, grinding speed and smooth finish of the workpieces are greatly improved, the workpieces are always at a good grinding state under the high-speed grinding condition, grinding efficiency is 4-12 times that of a common grinding wheel, the linear speed is 50-60 meters per second, and a large-specification and high-thickness precise grinding wheel for grinding rollers can be achieved.
Description
technical field [0001] The invention relates to the field of grinding wheels, in particular to a resin bond large-diameter, high-thickness, high-speed precision grinding roll grinding wheel and a preparation method thereof. Background technique [0002] The roll grinding process is mainly used for the grinding of rolls in steel, metallurgy, papermaking and other industries. Its grinding mechanism is much more complicated than that of ordinary cylindrical grinders, except that the grinding wheel and the workpiece (roll) make relative rotary motion (main motion) In addition, it is also required that the grinding wheel and the workpiece make a certain radial relative displacement at the same time of relative longitudinal movement, and this radial displacement is different from the compound movement of grinding taper. Roll grinding accuracy and surface quality depend not only on the working accuracy of excellent roll grinders, but also on the selection of matching grinding wheel...
Claims
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Application Information
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