CN105891102A - Method for detecting layering defect of copper or copper alloy contact lines - Google Patents
Method for detecting layering defect of copper or copper alloy contact lines Download PDFInfo
- Publication number
- CN105891102A CN105891102A CN201610200541.8A CN201610200541A CN105891102A CN 105891102 A CN105891102 A CN 105891102A CN 201610200541 A CN201610200541 A CN 201610200541A CN 105891102 A CN105891102 A CN 105891102A
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- layering
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- detection method
- contact line
- copper
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
Abstract
The invention relates to a method for detecting the layering defect of copper or copper alloy contact lines. Detection is carried out in the initial extruding working procedure of contact line production. The detecting method comprises the following steps that 1, one contact line which is 400-500 mm long is taken from the contact lines produced through the continuous extruding working procedure to serve as a test sample; 2, the extruding direction of the test sample is confirmed; 3, the test sample is shorn in the direction perpendicular to the extruding direction, and whether layering exists on the edge of a fracture of the test sample is observed; 4, the test sample is shorn many times repeatedly in the same shearing direction as the step 3, and observation is carried out repeatedly. The detecting method detects whether layering exists in the contact lines at the initial extruding working procedure of the contact line production, the extruding working procedure can be adjusted conveniently in time in the production process of the contact lines, and the problem of contact line layering is thoroughly solved.
Description
Technical field
Present invention relates particularly to a kind of copper or the detection method of copper alloy contact wire lamination defect.
Background technology
In prior art, copper and copper alloy bar obtains semi-finished product often through continuous extruder extruding, and then by single pass or multi pass drawing, final production becomes the product of required specification.True explanation, the copper and copper alloy product produced by continuous extruder, compared with traditional processing technology, have that production efficiency is high, energy consumption is low, crystal grain even compact, conduct electricity very well and feature that comprehensive mechanical performance is excellent.Since particularly 1991, China's height iron product starts to introduce and independent development, up to the present, this product has been broken with Germany's (peace Kate) Hesperian corner on the market as representative the most completely, and achieved with independent intellectual property right, every Technique performance parameter of product quality is superior to moral mark and Europe superscript, and production technology is the most ripe.The main production of the foreign corporations such as Germany peace Kate is cold rolling, and the main production of China is continuously extruded.
At present high ferro contact wire mainly have copper magnesium, copper and tin, Kufil point, the length of each anchor section is typically at about 2000 meters, and speed per hour has 200KM/h, 250KM/h and 250KM/h requirements above specification.Therefore, ferrum mark is particularly severe to the prescription of this product, and the existence being layered is exactly fatal hidden danger of quality.In prior art, owing to contact line to be produced the reason of layering, and the layering produced in what production process, all do not know about, only contact line finished product is detected by the test event that contact line finished product is specified by ferrum mark, as carried out the bending repeatedly of necessity, tension (breaking) is tested, in test process, find that contact line finished product is with or without layering, carry out formula of eliminating filters out the contact line product without lamination defect, so both wastes of manpower, financial resources, production cost is the highest, and the most the contact line having lamination defect is not detected, serious potential safety hazard will be brought after putting goods on the market.
Summary of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, it is provided that a kind of copper or the detection method of copper alloy contact wire lamination defect.
For solving above technical problem, the present invention adopts the following technical scheme that
A kind of copper or the detection method of copper alloy contact wire lamination defect, described detection is the detection done in the initial compression operation that described contact line produces, and described detection method comprises the following steps:
(1) produce in continuously extruded operation in the contact line obtained, intercept the contact line sample of one section of 400mm ~ 500mm length；
(2) the extrusion direction of described sample is confirmed；
(3) being sheared along the direction being perpendicular to described extrusion direction by described sample, the fractured edge observing described sample exists with or without layering；
(4) repeat to shear repeatedly at the shear direction identical with step (3) to described sample, repeated observation.
Preferably, described detection method also includes the sample 90-degree rotation after step (4) processes, and then carries out step (3) ~ (4) operation.
Preferably, described sample is when carrying out step (3) and step (4) operation, and the rotational angle of described sample is 0.
Preferably, described shearing uses hydraulic shearing machine to shear.
Preferably, if described sample exists layering, the then each shearing in step (4) processes, incision position all can find that layering exists.
Due to the enforcement of technique scheme, the present invention compared with prior art has the advantage that
Detection method i.e. carries out detection contact line with or without lamination in the initial compression operation that contact line produces, in order to adjusts extrusion process in time in the production process of contact line, reaches the purpose thoroughly solving to contact line layering.
The detection method of the present invention substantially increases the lumber recovery of contact line product, provide the foundation guarantee for the finished product detection in later stage, reach double check, it is ensured that the raising of product quality, and owing to product quality is ensured, the competitiveness of product in market is significantly enhanced.On the other hand, the detection method of the present invention improves generation efficiency, serves positive role to reducing production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation that continuously extruded operation produces the contact line obtained；
Fig. 2 is contact line sample schematic cross-section after shearing；
Fig. 3 be contact line sample 90-degree rotation after through shear schematic cross-section；
In figure: 1, contact line sample；2, layering.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
The present inventor is by constantly research, from the forming principle of extruded product, on the premise of ensureing raw materials quality, the position that finally found that layering is regular, and be successional, and to determine lamination be at extrusion process, and in prior art, the most effective detection method detecting extruded product lamination defect of extruded product (semi-finished product) for producing at extrusion process, inventor finally works out the following detection method of employing can detect whether contact line exists lamination defect in initial compression operation effectively, to adjust extrusion process in time in the production process of contact line, reach the purpose thoroughly solving to contact line layering, and provide the foundation guarantee for the finished product detection in later stage, reach double check, ensure that the raising of product quality.
A kind of copper or the detection method of copper alloy contact wire lamination defect, this detection is the detection done in the initial compression operation that contact line produces, and this detection method comprises the following steps:
(1) produce in continuously extruded operation in the contact line obtained, intercept the contact line sample of one section of 400mm ~ 500mm length；
(2) the extrusion direction of confirmation sample, and determine the horizontal direction that left and right directions is sample of sample, on sample, then carry out the mark of horizontal direction；
(3) sample being sent into along the horizontal direction carrying out mark the sheared edge of hydraulic shearing machine, carries out above-below direction shearing, the fractured edge observing sample exists with or without layering；
(4) repeat to shear repeatedly at the shear direction identical with step (3) to sample, repeated observation.
(5) step (3) ~ (4) operation will then be carried out through the sample 90-degree rotation after step (4) processes.
In above-mentioned steps, sample is when carrying out step (3) and step (4) operation, and the rotational angle of sample is 0.
When being embodied as, if sample exists layering, as it is shown in figure 1, contact line sample 1 exists layering 2, the then each shearing in step (4) processes, incision position all can find that layering exists, as in figure 2 it is shown, layering 2 occurs in fracture cross section.After sample 90-degree rotation, then shearing, fracture cross section is likely to lamination occur, as shown in Figure 3.
High ferro contact wire is detected by the detection method using the present invention, extrusion process is materialsed and carries out the detection of said method, effectively detect that contact line is with or without layering, adjust extrusion process in time, guarantee effectively carrying out of subsequent handling, improve product lumber recovery, it is ensured that product quality, promote the market competitiveness.
Above the present invention is described in detail; its object is to allow the personage being familiar with this art will appreciate that present disclosure and to be carried out; can not limit the scope of the invention with this; and the invention is not restricted to the embodiments described; all equivalence changes made according to the spirit of the present invention or modification, all should contain within protection scope of the present invention.
Claims (5)
1. a copper or the detection method of copper alloy contact wire lamination defect, it is characterised in that described detection is the detection done in the initial compression operation that described contact line produces, and described detection method comprises the following steps:
(1) produce in continuously extruded operation in the contact line obtained, intercept the contact line sample of one section of 400mm ~ 500mm length；
(2) the extrusion direction of described sample is confirmed；
(3) being sheared along the direction being perpendicular to described extrusion direction by described sample, the fractured edge observing described sample exists with or without layering；
(4) repeat to shear repeatedly at the shear direction identical with step (3) to described sample, repeated observation.
Detection method the most according to claim 1, it is characterised in that described detection method also includes the sample 90-degree rotation after step (4) processes, then carries out step (3) ~ (4) operation.
Detection method the most according to claim 1, it is characterised in that described sample is when carrying out step (3) and step (4) operation, and the rotational angle of described sample is 0.
Detection method the most according to claim 1, it is characterised in that described shearing uses hydraulic shearing machine to shear.
Detection method the most according to claim 1, it is characterised in that if described sample exists layering, the then each shearing in step (4) processes, incision position all can find that layering exists.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200541.8A CN105891102A (en) | 2016-04-01 | 2016-04-01 | Method for detecting layering defect of copper or copper alloy contact lines |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200541.8A CN105891102A (en) | 2016-04-01 | 2016-04-01 | Method for detecting layering defect of copper or copper alloy contact lines |
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| CN105891102A true CN105891102A (en) | 2016-08-24 |
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| CN201610200541.8A Pending CN105891102A (en) | 2016-04-01 | 2016-04-01 | Method for detecting layering defect of copper or copper alloy contact lines |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388691A (en) * | 2018-01-16 | 2018-08-10 | 大连理工大学 | Multiple material lamination defect is in chisel edge compression stage propagation behavior computational methods |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748876B1 (en) * | 1995-06-16 | 2003-10-15 | Daido Tokushuko Kabushiki Kaisha | Titanium alloy, member made of the titanium alloy and method for producing the titanium alloy member |
| CN101885133A (en) * | 2010-07-15 | 2010-11-17 | 武汉钢铁(集团)公司 | Method for improving homogeneity of steel structure and equipment thereof |
| CN202837113U (en) * | 2012-08-27 | 2013-03-27 | 武汉钢铁(集团)公司 | Device for copper alloy contact line alternating bending test |
| CN103389225A (en) * | 2013-08-08 | 2013-11-13 | 苏州热工研究院有限公司 | Sampling method for testing quality of tube plate forged piece of reactor vapor generator |
| CN104251881A (en) * | 2014-08-29 | 2014-12-31 | 内蒙古北方重工业集团有限公司 | Classification and assessment method of ultrasonic detection defects of extrusion formed thick-walled seamless steel pipe |
| CN104404241A (en) * | 2014-11-14 | 2015-03-11 | 山西太钢不锈钢股份有限公司 | Low-alloy-steel macroscopic fracture blue brittleness processing technology |
| CN104914157A (en) * | 2015-05-08 | 2015-09-16 | 上海海事大学 | Nondestructive detection apparatus for detects in miniature space of metal structure |
-
2016
- 2016-04-01 CN CN201610200541.8A patent/CN105891102A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0748876B1 (en) * | 1995-06-16 | 2003-10-15 | Daido Tokushuko Kabushiki Kaisha | Titanium alloy, member made of the titanium alloy and method for producing the titanium alloy member |
| CN101885133A (en) * | 2010-07-15 | 2010-11-17 | 武汉钢铁(集团)公司 | Method for improving homogeneity of steel structure and equipment thereof |
| CN202837113U (en) * | 2012-08-27 | 2013-03-27 | 武汉钢铁(集团)公司 | Device for copper alloy contact line alternating bending test |
| CN103389225A (en) * | 2013-08-08 | 2013-11-13 | 苏州热工研究院有限公司 | Sampling method for testing quality of tube plate forged piece of reactor vapor generator |
| CN104251881A (en) * | 2014-08-29 | 2014-12-31 | 内蒙古北方重工业集团有限公司 | Classification and assessment method of ultrasonic detection defects of extrusion formed thick-walled seamless steel pipe |
| CN104404241A (en) * | 2014-11-14 | 2015-03-11 | 山西太钢不锈钢股份有限公司 | Low-alloy-steel macroscopic fracture blue brittleness processing technology |
| CN104914157A (en) * | 2015-05-08 | 2015-09-16 | 上海海事大学 | Nondestructive detection apparatus for detects in miniature space of metal structure |
Non-Patent Citations (5)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局 等: "《GB/T 6892-2006 一般工业用铝及铝合金挤压型材》", 1 February 2007 * |
| 冶金工业部情报标准研究总所: "《冶金工业标准汇编 第14册 金相高倍和低倍检验方法》", 30 June 1986 * |
| 樊东黎 等: "《热加工工艺规范》", 31 January 2003 * |
| 白星良 等: "《有色金属塑性加工》", 29 February 2012 * |
| 邓小民 等: "《金属挤压与拉拔工程学》", 31 January 2014 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108388691A (en) * | 2018-01-16 | 2018-08-10 | 大连理工大学 | Multiple material lamination defect is in chisel edge compression stage propagation behavior computational methods |
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Application publication date: 20160824 |