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Single-sided welding double-sided forming welding wire without argon protection on the back

A single-sided welding double-sided, argon-free technology, used in welding media, welding equipment, welding/cutting media/materials, etc., to achieve excellent slag removal performance, excellent all-position welding manufacturability, and easy operation.

Active Publication Date: 2016-02-24
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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  • Single-sided welding double-sided forming welding wire without argon protection on the back
  • Single-sided welding double-sided forming welding wire without argon protection on the back
  • Single-sided welding double-sided forming welding wire without argon protection on the back

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Example 1: Preparation of welding wire for single-sided welding and double-sided forming 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 ferrotitanium, 4 parts of electrolytic manganese, 2 parts of rutile, and 10 parts of metallic chromium The powder is mixed evenly;

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

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

Embodiment 2

[0049] Example 2: Preparation of welding wire for single-sided welding and double-sided forming 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 ferrotitanium, 1 part of electrolytic manganese, 30 parts of rutile, and 3 parts of metallic chromium The powder is mixed evenly;

[0051] (b) Based on the mixed powder of step (a) per 100 parts by weight, add 20 parts by weight of potassium sodium water glass into the dry powder and mix evenly, and apply it on the welding core ER308L stainless steel wire with a hydraulic press. After drying and drying at high temperature, a welding wire with single-sided welding, double-sided forming, and argon-free protection on the back is obtained.

[0052] The welding wire obtained in this embodiment is used to weld the corresponding base metal, and the process parameters are: welding current of...

Embodiment 3

[0054] Example 3: Preparation of welding wire for single-sided welding and double-sided forming 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 ferrotitanium, 3 parts of electrolytic manganese, 15 parts of rutile, and 5 parts of metallic chromium The powder is mixed evenly;

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

[0057] The welding wire obtained in this embodiment is used to weld the corresponding base metal, and the process parameters are...

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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 with a single-sided welding and double-sided forming and the back side free of argon gas protection. Background technique [0002] TIG welding (also commonly referred to as TIG welding) TIG welding, often referred to as TIG welding, is an arc welding method that generates heat between a non-consumable electrode and a workpiece; electrode rods, molten pools , The arc and the heating area near the work are protected by a gaseous state to isolate the atmosphere from mixing. This protection is supplied by a gas or mixed gas flow, usually an inert gas, which must be able to provide full protection, because even a very small amount of air is mixed. Will contaminate the weld bead. [0003] Tungsten argon arc welding is a welding method that uses a tungsten rod as an electrode and argon gas for protec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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