CN102922111A - Joint assembly methods for micro-plasma arc lap welding of screen - Google Patents
Joint assembly methods for micro-plasma arc lap welding of screen Download PDFInfo
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- CN102922111A CN102922111A CN2012103801619A CN201210380161A CN102922111A CN 102922111 A CN102922111 A CN 102922111A CN 2012103801619 A CN2012103801619 A CN 2012103801619A CN 201210380161 A CN201210380161 A CN 201210380161A CN 102922111 A CN102922111 A CN 102922111A
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Abstract
The invention relates to joint assembly methods for micro-plasma arc lap welding of a screen. The screen is a square-hole screen knitted by using stainless steel wires, the diameters of the stainless steel wires is phi0.1mm to phi.25mm, and the mesh number is 24*24 to 40*40. According to the ratio of the rough edge length d of each stainless steel wire to the clearance D of the two adjacent wires, rough edges are respectively defined as short rough edges (d/D is more than or equal to 0 and less than 1/3), medium rough edges (d/D is more than or equal to 1/3 and less than 2/3) and long rough edges (d/D is more than or equal to 2/3 and less than or equal to 1). Six joint assembly methods for micro-plasma arc lap welding are designed according to the category of the rough edges of the screen on two sides of a lap joint. The joint assembly methods for the micro-plasma arc lap welding of the screen overcome the defect of welding failure caused by insufficient weld metal in butt welding.
Description
Technical field
The present invention relates to the micro-plasma arc welding welding technology field, specifically refer to the lap-welded joint assembly method of a kind of silk screen micro-plasma arc welding.
Background technology
The characteristics such as stainless steel cloth is to be made of the stainless steel wire braiding, and it is good to have corrosion resistance, durable have widely application in fields such as papermaking, building, medicine, oil, machine-building.Welding is one of manufacturing process commonly used in the stainless steel cloth use procedure, and wherein, micro-plasma arc welding technique can realize the continuous automatic welding of stainless steel cloth, is a kind of process that is specially adapted to the stainless steel cloth welding.In the research with micro-plasma arc welding technique soldering stainless steel silk screen, all adopt the assembling form of docking at present.Owing to the material characteristics of stainless steel cloth, there is the problem of weld metal quantity not sufficient during welding, cause the wire of both sides to melt respectively balling, produce not seam defective.
Find that through the literature search to prior art " heat processing technique " magazines in 2010 have been delivered the Research Literature of a piece " research of micro-plasma arc welding soldering stainless steel screen cloth " and a piece " technique particularity and defect analysis of M-PAW soldering stainless steel screen cloth " by name.All adopt the micro-plasma arc welding butt welding method to carry out the welding of stainless steel cloth in the document.By result for retrieval as can be known, connecing technique with micro-plasma arc welding carries out lap-welded research to stainless steel cloth and yet there are no report.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and defective, provide a kind of silk screen micro-plasma arc welding lap-welded joint assembly method.
For achieving the above object, technical scheme of the present invention is as follows:
At first stainless steel cloth to be welded carried out edge treated, guarantee that there is good linearity at the edge, and the definition stainless steel wire parallel with edge to be welded be parallel, with the silk thread of edge-perpendicular to be welded be warp.Then according to the burr length d of stainless steel cloth and the ratio of adjacent two Inter-wire gap D, defining respectively 0≤d/D＜1/3 is the undercoat limit; 1/3≤d/D＜2/3 is middle burr; 2/3≤d/D≤1 is the limit of becoming mildewed.
(1) the joint both sides are when becoming mildewed the limit, and the parallel at the burr of a side and edge is assemblied on the offside burr, forms lap joint, and the parallel at edge, joint both sides must be close to.
(2) the joint both sides are respectively when becoming mildewed limit and middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr, in the formation burr become mildewed the limit lower or become mildewed the limit upper burr under lap joint, and the parallel at edge, joint both sides must be close to.
(3) the joint both sides are respectively when becoming mildewed limit and undercoat limit, the parallel at the burr of one side and edge is assemblied on the offside burr, form the undercoat limit become mildewed the limit lower or become mildewed the limit upper undercoat limit under lap joint, and the parallel at edge, joint both sides must be close to.
When (4) the joint both sides were the undercoat limit, the parallel at the burr of a side and edge was assemblied on the offside burr, forms lap joint, and the parallel at edge, joint both sides must be close to.
When (5) the joint both sides are respectively undercoat limit and middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr, form the undercoat limit in become mildewed the limit lower or middle burr upper undercoat limit under lap joint, and the parallel at edge, joint both sides must be close to.
When (6) the joint both sides were middle burr, the parallel at the burr of a side and edge was assemblied on the offside burr, forms lap joint, and the parallel at edge, joint both sides must be close to.
The lap-welded joint assembly method of a kind of silk screen micro-plasma arc welding of the present invention has solved in the butt welding owing to the weld metal quantity not sufficient produces not seam defective.
Description of drawings
Fig. 1 is become mildewed limit structure front view and the side view of joint of the present invention;
Fig. 2 is middle burr structure front view and the side view of joint of the present invention;
Fig. 3 is undercoat limit structure front view and the side view of joint of the present invention;
Fig. 4 is that lap joint of the present invention both sides are the assembly method schematic diagram when becoming mildewed the limit;
Fig. 5 is that lap joint of the present invention both sides are respectively the assembly method schematic diagram when becoming mildewed limit and middle burr;
Fig. 6 is that lap joint of the present invention both sides are respectively the assembly method schematic diagram when becoming mildewed limit and undercoat limit;
Fig. 7 is the assembly method schematic diagrames of lap joint of the present invention both sides when being the undercoat limit;
Fig. 8 is the assembly method schematic diagrames of lap joint of the present invention both sides when being respectively undercoat limit and middle burr;
Fig. 9 is the assembly method schematic diagrames of lap joint of the present invention both sides when being middle burr.
The explanation of figure acceptance of the bid mark
D. burr length; D. adjacent two Inter-wire gaps; 1. the limit of becoming mildewed; 2. middle burr; 3. undercoat limit.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples
At first stainless steel cloth to be welded carried out edge treated, guarantee that there is good linearity at the edge, and will to define the stainless steel wire parallel with edge to be welded be parallel, with the silk thread of edge-perpendicular to be welded be warp.Then according to the burr length d of stainless steel cloth and the ratio of adjacent two Inter-wire gap D, defining respectively 0≤d/D＜1/3 is the undercoat limit; 1/3≤d/D＜2/3 is middle burr; 2/3≤d/D≤1 is the limit of becoming mildewed.
Be illustrated in figure 4 as the joint both sides and be lap joint assembly method when becoming mildewed the limit, the parallel at the burr of one side and edge is assemblied on the offside burr during assembling, forms lap joint, and the parallel at edge, joint both sides must be close to.
Embodiment 2
Be illustrated in figure 5 as the joint both sides and be respectively lap joint assembly method when becoming mildewed limit and middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr during assembling, in the formation burr become mildewed the limit lower or become mildewed the limit upper burr under lap joint, and the parallel at edge, joint both sides must be close to.
Be illustrated in figure 6 as the joint both sides and be respectively lap joint assembly method when becoming mildewed limit and undercoat limit, the parallel at the burr of one side and edge is assemblied on the offside burr during assembling, form the undercoat limit become mildewed the limit lower or become mildewed the limit upper undercoat limit under lap joint, and the parallel at edge, joint both sides must be close to.
Embodiment 4
Lap joint assembly method when being illustrated in figure 7 as the joint both sides and being the undercoat limit, the parallel at the burr of one side and edge is assemblied on the offside burr during assembling, forms lap joint, and the parallel at edge, joint both sides must be close to.
Embodiment 5
Lap joint assembly method when being illustrated in figure 8 as the joint both sides and being respectively undercoat limit and middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr during assembling, form the undercoat limit upper burr lower or middle burr upper undercoat limit under lap joint, and the parallel at edge, joint both sides must be close to.
Embodiment 6
Lap joint assembly method when being illustrated in figure 9 as the joint both sides and being middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr during assembling, forms lap joint, and the parallel at edge, joint both sides must be close to.
Claims (7)
1. lap-welded joint assembly method of silk screen micro-plasma arc welding, described silk screen are to be the square hole net that the stainless steel wire braiding of Ф 0.1mm～Ф 0.25mm consists of by string diameter, and the order number is 24 * 24 orders～40 * 40 orders, it is characterized in that, comprises the steps:
A. stainless steel cloth to be welded is carried out edge treated, guarantee that there is good linearity at the edge;
B. the definition stainless steel wire parallel with edge to be welded is parallel, with the silk thread of edge-perpendicular to be welded be warp;
C. according to the burr length d of stainless steel cloth and the ratio of adjacent two Inter-wire gap D, defining respectively 0≤d/D＜1/3 is the undercoat limit; 1/3≤d/D＜2/3 is middle burr; 2/3≤d/D≤1 is the limit of becoming mildewed.
2. the lap-welded joint assembly method of silk screen micro-plasma arc welding according to claim 1, it is characterized in that: described joint both sides are when becoming mildewed the limit, the parallel at the burr of one side and edge is assemblied on the offside burr, form lap joint, and the parallel at edge, joint both sides must be close to.
3. the lap-welded joint assembly method of silk screen micro-plasma arc welding according to claim 1, it is characterized in that: described joint both sides are respectively when becoming mildewed limit and middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr, in the formation burr become mildewed the limit lower or become mildewed the limit upper burr under lap joint, and the parallel at edge, joint both sides must be close to.
4. the lap-welded joint assembly method of silk screen micro-plasma arc welding according to claim 1, it is characterized in that: described joint both sides are respectively when becoming mildewed limit and undercoat limit, the parallel at the burr of one side and edge is assemblied on the offside burr, form the undercoat limit become mildewed the limit lower or become mildewed the limit upper undercoat limit under lap joint, and the parallel at edge, joint both sides must be close to.
5. the lap-welded joint assembly method of silk screen micro-plasma arc welding according to claim 1, it is characterized in that: when described joint both sides are the undercoat limit, the parallel at the burr of one side and edge is assemblied on the offside burr, form lap joint, and the parallel at edge, joint both sides must be close to.
6. the lap-welded joint assembly method of silk screen micro-plasma arc welding according to claim 1, it is characterized in that: when described joint both sides are respectively undercoat limit and middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr, form the undercoat limit upper burr lower or middle burr upper undercoat limit under lap joint, and the parallel at edge, joint both sides must be close to.
7. the lap-welded joint assembly method of silk screen micro-plasma arc welding according to claim 1, it is characterized in that: when described joint both sides are middle burr, the parallel at the burr of one side and edge is assemblied on the offside burr, form lap joint, and the parallel at edge, joint both sides must be close to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380161.9A CN102922111B (en) | 2012-10-09 | 2012-10-09 | The lap-welded joint assembly method of silk screen micro-plasma arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380161.9A CN102922111B (en) | 2012-10-09 | 2012-10-09 | The lap-welded joint assembly method of silk screen micro-plasma arc welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102922111A true CN102922111A (en) | 2013-02-13 |
| CN102922111B CN102922111B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210380161.9A Expired - Fee Related CN102922111B (en) | 2012-10-09 | 2012-10-09 | The lap-welded joint assembly method of silk screen micro-plasma arc welding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934550A (en) * | 2014-03-25 | 2014-07-23 | 高建波 | Steel wire docking machine |
| CN105312751A (en) * | 2015-10-30 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Connecting method for aero-engine filter screen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1277995A (en) * | 1969-06-12 | 1972-06-14 | Capital Wire Cloth Ltd | Improvements in and relating to seaming wire cloth |
| CN101774069A (en) * | 2009-12-31 | 2010-07-14 | 上海工程技术大学 | Procession welding method for superfine stainless steel mesh |
| JP2010264462A (en) * | 2009-05-12 | 2010-11-25 | Miyachi Technos Corp | Wire net joining method |
-
2012
- 2012-10-09 CN CN201210380161.9A patent/CN102922111B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1277995A (en) * | 1969-06-12 | 1972-06-14 | Capital Wire Cloth Ltd | Improvements in and relating to seaming wire cloth |
| JP2010264462A (en) * | 2009-05-12 | 2010-11-25 | Miyachi Technos Corp | Wire net joining method |
| CN101774069A (en) * | 2009-12-31 | 2010-07-14 | 上海工程技术大学 | Procession welding method for superfine stainless steel mesh |
Non-Patent Citations (1)
| Title |
|---|
| 齐志扬等: "不锈钢细丝网的微束等离子弧焊接工艺研究", 《第九次全国焊接会议论文集》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934550A (en) * | 2014-03-25 | 2014-07-23 | 高建波 | Steel wire docking machine |
| CN105312751A (en) * | 2015-10-30 | 2016-02-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Connecting method for aero-engine filter screen |
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| Publication number | Publication date |
|---|---|
| CN102922111B (en) | 2016-01-06 |
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