Anti-corrosion nodule-free sink roll
A sinking roller and anti-corrosion technology, which is applied in the direction of coating, metal material coating process, hot-dip plating process, etc., can solve the problems of poor transportation of aluminum-zinc-iron alloy elements and easy nodulation, etc., to improve wear resistance , reduce nodulation, reduce the effect of friction coefficient
Inactive Publication Date: 2017-05-10
王秋林
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Problems solved by technology
The existing sinking roller includes a cylindrical roller body and a roller shaft connected to both ends of the roller body. The surface of the roller body is provided with a spiral groove. The direction is sent to the end of the roller to reduce the formation of nodules on the surface of the roller, but in actual use, the aluminum-zinc-iron alloy elements are not smooth when conveyed in the spiral groove, and nodules are still prone to occur
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[0013] The present invention will be further described below according to the accompanying drawings and in conjunction with the embodiments.
[0014] The anti-corrosion and no-nodulation sinking roll shown in the accompanying drawings includes a cylindrical roll body 1 and a roll shaft 2 connected to both ends of the roll body 1; the roll body 1 includes alloy sleeves 1.2, metal Ceramic sleeve 1.3, sealing agent layer 1.4, the surface of the sealing agent layer 1.4 is provided with a spiral groove 3; the bottom of the spiral groove 3 is arc-shaped; the surface of the spiral groove 3 is provided with a wear-resistant coating. The grinding coating is a layer of tungsten carbide alloy sprayed on the surface of the spiral groove 3 .
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The invention discloses an anti-corrosion nodule-free sink roll which comprises a cylindrical roll body and roll shafts connected with the two ends of the roll body, wherein a spiral groove is formed in the surface of the roll body; the bottom of the spiral groove is arc-shaped; a wear-resistant coating is arranged on the surface of the spiral groove; the anti-corrosion nodule-free sink roll is further improved in that the wear-resistant coating on the surface of the spiral groove is a carbon tungsten alloy layer; and the roll body comprises an alloy sleeve, a metal-ceramic sleeve and a sealant layer, which are distributed from inside to outside in a radial direction in sequence. The anti-corrosion nodule-free sink roll has good corrosion resistance, solves the problem that nodules are formed on the surface of a conventional roll, and improves the product quality.
Description
technical field [0001] The invention relates to a sinking roll on a hot-dip galvanizing line. Background technique [0002] The sinking roll is one of the important equipment on the hot-dip galvanizing line. The sinking roll is corroded by the zinc liquid during the production process, and at the same time, under the tension of the strip, it is subjected to a large friction force, so the sinking roll shaft is easy to appear. Neck sliding part wear damage. The damage of the sinking roller is mainly due to the damage of the sliding surface by the reaction force of the support and the dynamic friction torque and the corrosion of the zinc liquid. The existing sinking roller includes a cylindrical roller body and a roller shaft connected to both ends of the roller body. The surface of the roller body is provided with a spiral groove. The direction is sent to the end of the roller to reduce the formation of nodules on the surface of the roller by the Al-Zn-Fe alloy elements. How...
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IPC IPC(8): C23C2/00C23C2/06C23C2/40
CPCC23C2/003C23C2/06C23C2/40
Inventor 王秋林
Owner 王秋林
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