Lubricating coating of steel wire and method for forming lubricating coating on steel wire surface

A lubricating coating and steel wire technology, applied in the direction of metal material coating process, etc., can solve the problems of slow wire drawing speed, scratches on the surface of finished products, high occurrence rate of cracked slubs, low production efficiency, etc. Effect of change, good coating ductility, good rust resistance

Inactive Publication Date: 2019-08-20
SHANDONG DAYE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This lubricating milk is very suitable for lubricants with various complex working conditions such as rust, rough steel wire, high-speed drawing, etc., but it is not suitable for high-speed drawing of steel wire with low fineness
[0007] At present, some lubricating coatings in common use are difficult to guarantee the surface quality of steel wire in high-speed drawing of steel wire, which seriously restricts the improvement of drawing speed of thinner steel wire
At the same time, the existing lubricating coating has poor anti-rust effect, and the preparation efficiency is not high, the steel wire drawing speed is slow, the production efficiency is low, and the surface of the finished product has a high rate of scratches, cracks, and bamboo knots.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1 A kind of lubricating coating of steel wire and the method for forming lubricating coating on the surface of steel wire

[0031] A lubricating coating for steel wire, consisting of two layers, from the inside to the outside are phosphating film layer and boronizing film layer; phosphating film 3.2g / ㎡, boronizing film 3.1g / ㎡.

[0032] The phosphating film layer is composed of the following components: zinc phosphate and zinc iron phosphate, wherein the proportion of zinc iron phosphate is 5%.

[0033] The method for forming a lubricating coating on the surface of a steel wire, the specific steps are as follows:

[0034] The steel wire diameter that present embodiment adopts is 5.5mm, and C content 0.72%;

[0035] a) Steel wire phosphating treatment, the steel wire is subjected to continuous and rapid phosphating treatment in a zinc-based phosphating solution. The total acidity of the phosphating solution is 8 points, the free acidity is 1 point, the acid r...

Embodiment 2

[0039] Embodiment 2 A lubricating coating for a steel wire and a method for forming a lubricating coating on the surface of a steel wire

[0040] A lubricating coating for steel wire, consisting of two layers, from the inside to the outside, respectively a phosphating film layer and a boronizing film layer, the phosphating film is 3.5g / ㎡, and the boronizing film is 3.4g / ㎡.

[0041] The phosphating film layer is composed of the following components: zinc phosphate and zinc iron phosphate, wherein the proportion of zinc iron phosphate is 5%.

[0042] The method for forming a lubricating coating on the surface of a steel wire, the specific steps are as follows:

[0043]The steel wire diameter that present embodiment adopts is 6.5mm, and C content 0.72%;

[0044] a) Steel wire phosphating treatment, the steel wire is subjected to continuous and rapid phosphating treatment in a zinc-based phosphating solution. The total acidity of the phosphating solution is 8 points, the free ac...

Embodiment 3

[0048] Embodiment 3 A kind of lubricating coating of steel wire and the method for forming lubricating coating on the surface of steel wire

[0049] A lubricating coating for steel wire, consisting of two layers, from the inside to the outside, respectively a phosphating film layer and a boronizing film layer, the phosphating film layer is 4.0g / ㎡, and the boronizing film layer is 1.5g / ㎡.

[0050] The phosphating film layer is composed of the following components: zinc phosphate and zinc iron phosphate, wherein the proportion of zinc iron phosphate is 5%.

[0051] The method for forming a lubricating coating on the surface of a steel wire, the specific steps are as follows:

[0052] The steel wire diameter that present embodiment adopts is 3.10mm, and C content 0.70%;

[0053] a) Steel wire phosphating treatment, the steel wire is subjected to continuous and rapid phosphating treatment in a zinc-based phosphating solution. The total acidity of the phosphating solution is 11 p...

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Abstract

The invention provides a lubricating coating of a steel wire and a method for forming a lubricating coating on a steel wire surface. The lubricating coating of the steel wire is composed of two layers, a phosphating film layer and a boron carbide film layer are respectively arranged from inside to outside, the phosphorization film is 1.4-6.1 g/m<2>, the boron carbide film is 0.3-5.1 g/m<2>; the phosphating film layer is composed of zinc phosphate and zinc iron phosphate, the ratio of the zinc phosphate is 4-7%. The lubricating coating can be applied to high-speed drawing of fine steel wires with the diameter of 3-6.5 mm and the carbon content of about 0.7%, the steel wire is high in bonding strength; after drawing, the stripping rate is lower than 3%.

Description

technical field [0001] The invention relates to the field of metal processing, in particular to a lubricating coating for steel wire and a method for forming the lubricating coating on the surface of the steel wire. Background technique [0002] The steel wire needs to be surface treated during the production and drawing process. In order to ensure the smooth drawing process of the steel wire, it is necessary to apply a lubricating coating before drawing. Lubricating coating refers to coating a layer of lubricant or lubricating carrier on the surface of the steel wire. Its main function is to have a lubricating layer when drawing the wire and bring the lubricant into it, thereby establishing a good drawing lubrication condition. [0003] The coating of prior art has phosphating film coating, boronized coating, lime soap coating, organic resin coating, no pickling coating; Though wherein traditional phosphating film coating has strong binding fastness, coating The residual f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/07C23C22/05C23C22/73B21C9/00
CPCB21C9/00C23C22/05C23C22/07C23C22/73
Inventor 李文军王金武谢君兰韩晓萍马春翔
Owner SHANDONG DAYE
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