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One-face welding and two-face forming welding wire with back face argon-filling-free protection

A single-sided welding double-sided, argon-free technology, used in welding media, welding equipment, welding/cutting media/materials, etc., to achieve the effects of easy operation, excellent all-position welding processability, and no slag phenomenon.

Active Publication Date: 2014-12-10
BEIJING JINWEI WELDING MATERIAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, these welding wires still have many problems as mentioned above in the welding process

Method used

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  • One-face welding and two-face forming welding wire with back face argon-filling-free protection
  • One-face welding and two-face forming welding wire with back face argon-filling-free protection
  • One-face welding and two-face forming welding wire with back face argon-filling-free protection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Example 1: Preparation of welding wire for single-sided welding and double-sided molding without argon protection on the back

[0046] (a) In parts by weight, take 40 parts of marble, 5 parts of fluorite, 5 parts of titanium dioxide, 1 part of quartz, 6 parts of ferrosilicon, 1 part of ferrosilicon, 4 parts of electrolytic manganese, 2 parts of rutile, and 10 parts of metal chromium The powder is mixed evenly;

[0047] (b) For every 100 parts by weight of the step (a) mixed powder, get 25 parts by weight of potassium sodium water glass and add it to the dry powder and mix evenly, and press-coat it on the welding core ERNiCr-3 nickel-based welding wire with a hydraulic press. After 12 hours of natural drying, it is dried at a high temperature to obtain a welding wire with single-sided welding, double-sided molding, and argon-free protection on the back.

[0048] The welding wire obtained in this embodiment is used to weld the corresponding base metal, and the process ...

Embodiment 2

[0049] Example 2: Preparation of welding wire for single-sided welding and double-sided molding without argon protection on the back

[0050] (a) In parts by weight, take 20 parts of marble, 19 parts of fluorite, 1 part of titanium dioxide, 5 parts of quartz, 2 parts of ferrosilicon, 6 parts of ferrosilicon, 1 part of electrolytic manganese, 30 parts of rutile, and 3 parts of metal chromium The powder is mixed evenly;

[0051] (b) On the basis of every 100 parts by weight of the mixed powder in step (a), take 20 parts by weight of potassium sodium water glass and add it to the dry powder and mix evenly, and press-coat it on the welding core ER308L stainless steel welding wire with a hydraulic press, and the welding wire will naturally dry for 12 hours After drying, it is dried at a high temperature to obtain a welding wire with single-sided welding, double-sided molding, and argon-free protection on the back.

[0052] The welding wire obtained in this embodiment is used to ...

Embodiment 3

[0054] Example 3: Preparation of welding wire for single-sided welding and double-sided molding without argon protection on the back

[0055](a) In parts by weight, take 40 parts of marble, 15 parts of fluorite, 5 parts of titanium dioxide, 4 parts of quartz, 4 parts of ferrosilicon, 5 parts of ferrosilicon, 3 parts of electrolytic manganese, 15 parts of rutile, and 5 parts of metal chromium The powder is mixed evenly;

[0056] (b) For every 100 parts by weight of the step (a) mixed powder, get 30 parts by weight of potassium sodium water glass and add it to the dry powder and mix evenly, press-coat it on the welding core ERNiCrMo-3 nickel-based welding wire with a hydraulic press, and the welding wire is passed through After 12 hours of natural drying, it is dried at a high temperature to obtain a welding wire with single-sided welding, double-sided molding, and argon-free protection on the back.

[0057] The welding wire obtained in this embodiment is used to weld the cor...

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Abstract

The invention relates to a one-face welding and two-face forming welding wire with back face argon-filling-free protection. The welding wire is formed by mixing and evenly stirring powder raw materials and sodium water glass with the weight accounting for 20% to 30% of the total weight of the powder raw materials, coating a welding core with the mixture in a pressed mode, and then drying the welding core coated with the mixture. The powder raw materials comprise, by weight, 20 parts to 40 parts of marble, 5 parts to 19 parts of fluorite, 1 part to 5 parts of titanium dioxide, 1 part to 5 parts of quartz, 2 parts to 6 parts of silicon iron, 1 part to 6 parts of ferrotitanium, 1 part to 4 parts of electrolytic manganese, 2 parts to 30 parts of rutile and 3 parts to 10 parts of chromium metal. When the welding wire carries out one-face welding and two-face forming, the coating on the surface of the welding wire will be molten to form a thin slag layer to permeate to the back face of a workpiece to carry out slag protection on welding seams, the welding technology is good in performance, whole-position welding technology performance is provided, the appearance of the welding seams is attractive, the deslagging performance is excellent, and the welding cost and difficulty can be reduced.

Description

technical field [0001] The invention belongs to the field of welding materials, and relates to a welding wire, in particular to a welding wire, and more particularly to a welding wire for single-side welding and double-side forming without argon protection on the back. Background technique [0002] Tungsten argon arc welding (also commonly known as TIG welding) Tungsten argon arc welding is often called TIG welding, which is an arc welding method that generates heat between non-consumable electrodes and the work; electrode rods, molten pools , the arc and the working area near the heated area are all shielded from the atmosphere by the protection of the gaseous state. This protection is supplied by a gas or mixed gas flow, usually an inert gas. It must be able to provide full protection, because even a small amount of air is mixed. Will contaminate the weld bead. [0003] Argon tungsten arc welding is a welding method in which a tungsten rod is used as an electrode and argo...

Claims

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Application Information

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IPC IPC(8): B23K35/365B23K35/30B23K35/22B23K35/40
CPCB23K35/22B23K35/365B23K35/40
Inventor 王士山董海青王卫东王磊李伟卢兰志王学东
Owner BEIJING JINWEI WELDING MATERIAL
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