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Lubricant for producing non-copper plating solid core welding wire and preparation technology of welding wire

A solid welding wire and lubricant technology, applied in the direction of lubricating compositions, additives, petroleum industry, etc., can solve the problems of consumption, increase equipment investment, consumption of acid, alkali and other chemical materials, increase the production process of coated graphite, etc., to achieve The effect of simple production process

Inactive Publication Date: 2009-02-11
张俐
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, copper plating on the surface of welding wire inevitably has the following problems: 1. According to the provisions of the national standard GB / T8110-1995, it is allowed to consume 20Kg of copper sulfate when plating one ton of welding wire; deal with
This technology also cannot complete the production of non-copper-plated welding wire in the process of drawing welding wire, but it needs to increase the production process of coated graphite, which increases the investment in equipment and the consumption of chemical materials such as acid and alkali.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1: Production of non-copper-coated welding wire with a diameter of Φ1.0mm

[0016] The raw material welding steel wire with a diameter of Φ5.5mm is drawn into a semi-finished welding wire with a diameter of Φ1.865mm; the wire drawing lubricant is a water-soluble dry wire drawing lubricant.

[0017] The process of drawing Φ1.865mm semi-finished welding wire and making it into non-copper-coated welding wire with a diameter of Φ1.0mm is as follows:

[0018] The drawing passes are: 1 2 3 4 5 6 7

[0019] Die diameter mm: 1.747, 1.587, 1.442, 1.309, 1.189, 1.080, 0.990

[0020] Partial Compression %: 12.2 17.5 17.4 17.5 17.5 17.5 16.0

[0021] Pulling speed 13m / Sec.

[0022] Add water-soluble dry wire drawing lubricant CH 515 in the mold box of the 1st and 2nd road mold in the drawing process; add CH 515 and triethanolamine stearate mixture in the mold box of the 3rd and 4th road mold ( Add 0.15kg triethanolamine stearate in 1kg CH515). In the mold box of the 5t...

Embodiment 2

[0024] The raw material welding steel wire with a diameter of Φ5.5mm is drawn into a semi-finished welding wire with a diameter of Φ1.865mm; the wire drawing lubricant is a water-soluble dry wire drawing lubricant.

[0025] The process of drawing Φ1.865mm semi-finished welding wire and making it into non-copper-coated welding wire with a diameter of Φ1.2mm is as follows:

[0026] Drawing passes: 1 2 3 4 5

[0027] Die diameter mm: 1.747 1.587 1.442 1.309 1.189

[0028] Partial Compression %: 12.2 17.5 17.4 17.5 17.5

[0029] The drawing speed is 13m / Sec.

[0030] Add water-soluble dry drawing lubricant CH75 and stearic acid triethanolamine mixture (add 0.05kg stearic acid triethanolamine in 1kgCH 75) in the die box of the first and second road molds in the drawing process. In the mold box of the 3rd, the 4th, the 5th road mold, add the mixture of graphite and ferrocene (1 kilogram of 80 order graphites, 100 gram ferrous oxalate, mix homogeneously).

Embodiment 3

[0032] The raw material welding steel wire with a diameter of Φ5.5mm is drawn into a semi-finished welding wire with a diameter of Φ1.865mm; the wire drawing lubricant is a water-soluble dry wire drawing lubricant.

[0033] The process of drawing Φ1.865mm semi-finished welding wire and making it into non-copper-coated welding wire with a diameter of Φ1.2mm is as follows:

[0034] Drawing passes: 1 2 3 4 5

[0035] Die diameter mm: 1.747 1.587 1.442 1.309 1.189

[0036] Partial Compression %: 12.2 17.5 17.4 17.5 17.5

[0037] The drawing speed is 13m / Sec.

[0038] Add water-soluble dry wire drawing lubricant CH 767 in the die box of the first and second road molds in the drawing process, add CH 767 and triethanolamine stearate mixture (1kg CH 767 Add 0.1kg triethanolamine stearate in). Add the mixture of graphite and ferrocene (1 kilogram of 80 order graphite, 100 gram of ferrous oxalate, mix homogeneously) in the mold box of the 4th, the 5th road mould.

[0039] The non-c...

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Abstract

The invention provides a lubricant which is used in the protection of the production of solid-core welding wires by using non-copper-plating carbon dioxide gas and a production technology of the welding wires. The lubricant is formed by mixing graphite and ferrous oxalate. The production technology of the welding wires comprises: steel wires with the diameter of Phi 5.5mm for welding are firstly drawn to the semi-finished welding wires with the diameter of Phi 1.865mm; the semi-finished welding wires with the diameter of Phi 1.865mm are drawn to the finished welding wires; the production technology is characterized in that: the lubricant which is formed by mixing the graphite and the ferrous oxalate is added in a mould box of the final two or three-channel mould during the drawing process into the finished welding wires; or the mixture of water-soluble dry wire drawing lubricant and triethanolamine stearate is added in the mould box of the former one or two-channel mould before adding the lubricant. When in welding of the non-copper-plating welding wires which are manufactured by the technology, the spatter is less and the metal coating performance is good. The rust-proof period of the welding wires which are packaged by thermoplastic thin films can reach more than three years.

Description

technical field [0001] The invention relates to carbon dioxide gas-shielded solid welding wire, and more specifically belongs to a lubricant for the production of non-copper-coated carbon dioxide gas-shielded solid welding wire and a welding wire production process thereof. Background technique [0002] Carbon dioxide gas shielded solid wire is widely used in shipbuilding, boiler, automobile and machinery manufacturing industries, and the surface is coated with a layer of copper film. Its function: one is to prevent the welding wire from rusting; the other is to use the lubricating effect of the copper film to feed the wire smoothly during automatic welding; the third is to have excellent electrical conductivity of copper, which is beneficial to welding operations. However, copper plating on the surface of welding wire inevitably has the following problems: 1. According to the provisions of the national standard GB / T8110-1995, it is allowed to consume 20Kg of copper sulfate ...

Claims

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Application Information

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IPC IPC(8): C10M103/02C10M169/04C10M129/32C10N30/12
Inventor 何明威张俐朱叶飞
Owner 张俐
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