Production Process of Tin Bronze Tempered Bead Wire Highly Bonded to Rubber

A tempering bead and tin bronze technology, which is applied in metal material coating technology, manufacturing tools, liquid chemical plating, etc., can solve the problem of shortening the service life of tires, affecting tire performance, and the adhesion between bead steel wire matrix and rubber Insufficient and other problems, to achieve the effect of increasing the adhesive rate and enhancing the bonding strength

Active Publication Date: 2017-07-28
JIANGSU XINGDA STEEL TYPE CORD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Organic coatings can not only prevent rust and prolong the storage time of steel wires, but this organic coating often contains some tackifying resins, which can also react with rubber on the surface of bead wires, but such tackifying resins can also react with rubber on the surface of bead wires. The resin cannot be stably combined with the inorganic steel wire matrix or the coating on the surface of the steel wire. Therefore, the adhesion between the bead wire matrix and the rubber is often weak and the adhesion effect is unstable, which affects the tire performance and shortens the service life of the tire.

Method used

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  • Production Process of Tin Bronze Tempered Bead Wire Highly Bonded to Rubber

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Embodiment 1

[0011] Embodiment one: a kind of production technology of the tin bronze tempered bead steel wire that is bonded highly with rubber, comprises the following steps: 1., select the steel wire that diameter range is in 0.95mm; 2., pass the steel wire in step 1. through molten lead , tin, bismuth, lead alloy, tin alloy, bismuth alloy solution in any single solution or the mixed solution that is made up of two or more single solutions in them is tempered; 3., step 2. obtained The steel wire is rinsed with water, then electrolytic pickling to form concave-convex points on its surface, and then washed with water; ④, the surface of the steel wire covered with concave-convex points obtained in step ③ by chemical replacement method is coated with copper-tin alloy coating; ⑤ 1. The coated steel wire obtained in step 4. is washed and dried; 6. The surface of the coated steel wire obtained in step 5. is coated with a water base coating solution, and the cold air is dried, and the water base...

Embodiment 2

[0012] Embodiment two: a kind of production technology of the tin bronze tempered bead steel wire that is bonded highly with rubber, comprises the following steps: 1., select the steel wire that diameter range is in 1.20mm; 2. pass the steel wire in step 1. through molten lead , tin, bismuth, lead alloy, tin alloy, bismuth alloy solution in any single solution or the mixed solution that is made up of two or more single solutions in them is tempered; 3., step 2. obtained The steel wire is rinsed with water, then electrolytic pickling to form concave-convex points on its surface, and then washed with water; ④, the surface of the steel wire covered with concave-convex points obtained in step ③ by chemical replacement method is coated with copper-tin alloy coating; ⑤ 1. The coated steel wire obtained in step 4. is washed and dried; 6. The surface of the coated steel wire obtained in step 5. is coated with water base coating liquid, and the cold air is dried, and the water base coat...

Embodiment 3

[0013] Embodiment three: see figure 1 As shown, a production process of tin bronze tempered bead steel wire highly bonded to rubber comprises the following steps: ①, select high-strength steel wire with a diameter range of 1.30mm, ②, pass the steel wire in step ① through the molten Any single solution in lead, tin, bismuth, lead alloy, tin alloy, bismuth alloy solution or a mixed solution composed of two or more single solutions in them is tempered, ③, the obtained in step ② The steel wire is rinsed with water, then electrolytic pickling to form concave and convex points on its surface, and then washed with water, ④, using the chemical replacement method in step ③ The surface of the steel wire covered with concave and convex points is coated with a copper-tin alloy coating, Tin bronze coating weight is 0.39-0.58g / kg, tin content is 4-10%; 5., the coated steel wire obtained in step 4. is carried out cold water washing, removes the residual impurity ion in last step process on t...

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Abstract

The invention discloses a production process of tin bronze tempered bead steel wire highly bonded to rubber, comprising the following steps: ①, selecting the steel wire; ②, tempering treatment; ③, electrolytic pickling; ④, copper-tin alloy plating ; ⑤, washing and drying; ⑥, coating water base coating solution; ⑦, coating organic coating; ⑧, take-up. The silane coupling agent in the water base coating liquid used in this process, the hydrolyzed group at one end of the molecular chain is hydrolyzed and combined with the steel wire matrix, and the organic group at the other end can react with the organic components in the post-treatment process. Effectively connect inorganic metal and organic resin, improve the adhesion between bead wire and rubber, the adhesive rate on the surface of the steel wire after bonding, and prolong the storage time of the steel wire.

Description

technical field [0001] The invention relates to a production process of bead steel wire. Background technique [0002] In recent years, the automobile industry has developed rapidly. As an important part of automobiles, radial tires have been rapidly applied and developed due to their advantages of energy saving, high speed and light weight. As one of the frame materials of radial tires, the quality of the bead wire will directly affect the overall performance of the tire. Bead wires are subject to extremely complex alternating loads and impact loads in tires. Not only are they required to have high strength, good fatigue resistance, and high impact resistance, they also need to be compatible with them during later use. Rubber has strong and stable adhesive properties, which requires that the bead wire should not only be firmly bonded to the rubber, but also not be separated prematurely during use. The adhesion between smooth steel wire and rubber is extremely poor, so the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/52C23C18/48B05D7/20C23F17/00
Inventor 倪自飞董小帅何广仁姚利丽石荣珠
Owner JIANGSU XINGDA STEEL TYPE CORD
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