Research on Cable Type 36-wire Submerged Arc Welding Process of Ship Thick Plate

CHEN Shujin; WANG Zhuang; JIANG Hao; YANG Xiaojie; LI Guiqing; RAO Yinhui; MA Jinjun; YANG Zhidong; FANG Chenfu

doi:10.7512/j.issn.1001-2303.2026.04.14

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Research on Cable Type 36-wire Submerged Arc Welding Process of Ship Thick Plate
Vol. 56, Issue 4, Pages: 112-118(2026)
Received：14 January 2026，

Revised：2026-02-26，

Published：20 April 2026
DOI： 10.7512/j.issn.1001-2303.2026.04.14
稿件说明：

移动端阅览

陈书锦，王壮，蒋浩，等.船舶厚板缆式36丝埋弧焊接工艺研究［J］.电焊机，2026，56（4）：112-118. DOI： 10.7512/j.issn.1001-2303.2026.04.14.

CHEN Shujin, WANG Zhuang, JIANG Hao, et al.Research on Cable Type 36-wire Submerged Arc Welding Process of Ship Thick Plate[J].Electric Welding Machine, 2026, 56(4): 112-118. DOI： 10.7512/j.issn.1001-2303.2026.04.14.

摘要

针对船舶厚板焊接效率低、接头质量急需提升的问题，提出并开发了一种缆式36丝埋弧焊接工艺。该工艺采用由

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2.53999996

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1.0 mm中心丝与35根外围丝绞合而成的

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7.0 mm缆式焊丝，在焊接过程中通过连续送丝使多丝同步熔化，外围丝端部形成自主旋转的焊接电弧。基于模块化逆变焊机开展工艺试验，并与传统

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4.0 mm单丝埋弧焊进行对比分析。该工艺显著提升了焊接效率与接头质量。在熔敷速度方面提升约60%，同等焊丝消耗下焊接时间缩短50%，电能节约20%；焊缝接头平均抗拉强度达到542 MPa，延伸率为25.02%，显微组织主要由细晶粒铁素体和珠光体构成，未出现魏氏组织等有害相，其综合力学性能与焊缝质量均明显优于传统单丝埋弧焊接接头。

Abstract

Aiming at the problem of low welding efficiency and urgent need to improve the joint quality of ship thick plate

a new process of cable-type 36-wire submerged arc welding is proposed and developed in this paper.The process uses

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7.0 mm cable-type wire

which is made up of

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1.0 mm central wire and 35 peripheral wires. During the welding process

multiple wires are melted synchronously by continuous wire feeding

and the end of the peripheral wire forms an autonomous rotating welding arc. Based on the modular inverter welding machine

the process test was carried out and compared with the traditional

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4.0 mm single wire submerged arc welding. This process significantly improves the welding efficiency and joint quality. The deposition speed is increased by about 60%

the welding time is shortened by 50% and the electric energy is saved by 20 % under the same wire consumption. The average tensile strength of the weld joint reaches 542 MPa

and the elongation is 25.02%. The microstructure is mainly composed of fine-grained ferrite and pearlite

and no harmful phases such as widmanstatten structure appear. The comprehensive mechanical properties and weld quality are significantly better than those of traditional single-wire submerged arc welded joints.

关键词

Keywords

references

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