CN113091679A - Method suitable for measuring thickness of soap powder on surface of steel wire - Google Patents
Method suitable for measuring thickness of soap powder on surface of steel wire Download PDFInfo
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- CN113091679A CN113091679A CN202110428235.0A CN202110428235A CN113091679A CN 113091679 A CN113091679 A CN 113091679A CN 202110428235 A CN202110428235 A CN 202110428235A CN 113091679 A CN113091679 A CN 113091679A
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- steel wire
- soap powder
- thickness
- sample
- weighing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 117
- 239000010959 steel Substances 0.000 title claims abstract description 117
- 239000000843 powder Substances 0.000 title claims abstract description 69
- 239000000344 soap Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005303 weighing Methods 0.000 claims abstract description 24
- 239000012459 cleaning agent Substances 0.000 claims abstract description 19
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000005422 blasting Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 5
- 239000013556 antirust agent Substances 0.000 claims description 3
- 239000008139 complexing agent Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000013480 data collection Methods 0.000 abstract description 4
- 238000007619 statistical method Methods 0.000 abstract description 4
- 238000004381 surface treatment Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a method for measuring the thickness of soap powder on the surface of a steel wire, and relates to the technical field of surface treatment of metal products. The method is realized by the following steps: intercepting a sample, weighing for the first time, removing soap powder, cleaning and drying, weighing for the second time, and calculating the thickness and weight. The method disclosed by the invention has the advantages that the soap powder on the surface of the steel wire is quickly and effectively peeled from the steel wire substrate by utilizing the test principle of a gravimetric method and by means of the cleaning agent and the ultrasonic cavitation effect, the thickness of the soap powder on the surface of the steel wire can be scientifically, effectively, quickly and conveniently measured, the purpose that the thickness of the soap powder on the surface of the steel wire is brought into a daily detection project is realized, a judgment reference of the quality of a steel wire product can be established through a large amount of data collection and scientific statistical analysis, and the control level of the quality.
Description
Technical Field
The invention relates to the technical field of surface treatment of metal products, in particular to a method for measuring the thickness of soap powder on the surface of a steel wire, which is particularly suitable for the steel wire drawn after pickling-free cleaning.
Background
With the aging of the pickling-free surface treatment technology, more and more pickling-free drawing products are produced. Common pickling-free surface treatment techniques include: shot blasting, husking, steel brush cleaning, abrasive belt polishing and the like. The matched use of the soap powder in the process of drawing the steel wire without pickling has direct influence on the drawing quality, wherein the thickness of the soap powder on the surface of the steel wire in the drawing process has direct or indirect influence on the lubricating performance and the quality of subsequent procedures: the thickness of the soap powder on the surface of the steel wire is influenced by various factors such as the type, the components, the drawing compression ratio, the model of the die and the like of the soap powder, and the product quality can be ensured by selecting the proper type and drawing compression ratio of the soap powder and the matched die according to different product types. However, the existing detection technology for the thickness of the soap powder on the surface of the steel wire in the drawing process is still immature, so that a series of problems of inaccuracy, inconvenience and the like exist in the detection process, and therefore, a set of method for scientifically, effectively, quickly and conveniently measuring the thickness of the soap powder on the surface of the steel wire is urgently needed to be designed.
Disclosure of Invention
The invention aims to provide a method for measuring the thickness of soap powder on the surface of a steel wire aiming at the defects in the prior art. The measuring method can be used for scientifically, effectively, quickly and conveniently measuring the thickness of the soap powder on the surface of the steel wire, realizing that the thickness of the soap powder on the surface of the steel wire is brought into daily detection projects, and establishing a judgment standard of the quality of a steel wire product through a large amount of data collection and scientific statistical analysis, thereby effectively improving the control level of the quality of the steel wire product.
The object of the invention can be achieved by the following technical measures:
the invention relates to a method for measuring the thickness of soap powder on the surface of a steel wire, which is realized by the following steps:
A. intercepting a sample: cutting the steel wire to be tested with the diameter D of 1.8-19.5 mm and subjected to shot blasting into 3-5 sections of steel wire samples with the length of 5-15 cm, and marking different serial numbers;
B. weighing for the first time: weigh the initial weight m of each sample of wire1；
C. Removing soap powder: soaking each section of steel wire sample in a cleaning agent which is subjected to cavitation treatment with ultrasonic waves for 1-5 min at the temperature of 20-40 ℃, and quickly and effectively stripping the soap powder on the surface of the steel wire from the steel wire matrix (the soap powder on the surface of the steel wire is quickly and effectively stripped from the steel wire matrix by virtue of the cleaning agent and the ultrasonic cavitation effect);
D. cleaning and drying: sequentially taking out each section of steel wire sample from the cleaning agent, then putting the steel wire sample into clean flowing water for rinsing, then washing the steel wire sample by using distilled water, and finally quickly drying the steel wire sample;
E. and (3) secondary weighing: weighing each section of steel wire sample again, namely weighing m after soap powder is removed2；
F. Calculating the thickness weight: according to the diameter D and the initial weight m of the steel wire1、Weight m after removal of soap powder2Substituting a formula to calculate the thickness and weight m of the soap powder of each section of the steel wire sample respectivelyAIn units of g/m2Wherein the formula is: m isA=（m1-m2）*D*ρ/4/m2(ii) a Then according to the calculated thickness weight m of the soap powder of each section of steel wire sampleAFind mAAverage value of (1), mAThe average value of the average value is the thickness of the soap powder on the surface of the steel wire to be measured.
The cleaning agent disclosed by the invention comprises the following components in percentage by mass and volume: 100 g/L of film remover A, 5 g/L of composite antirust agent B, 90 g/L of complexing agent C and the balance of water.
The power density of the ultrasonic wave is 3KW per square meter.
The design principle of the invention is as follows:
the method disclosed by the invention has the advantages that the soap powder on the surface of the steel wire is quickly and effectively peeled from the steel wire substrate by utilizing the test principle of a gravimetric method and by means of the cleaning agent and the ultrasonic cavitation effect, the thickness of the soap powder on the surface of the steel wire can be scientifically, effectively, quickly and conveniently measured, the purpose that the thickness of the soap powder on the surface of the steel wire is brought into a daily detection project is realized, a judgment reference of the quality of a steel wire product can be established through a large amount of data collection and scientific statistical analysis, and the control level of the quality.
The invention has the following beneficial technical effects:
the measuring method can be used for scientifically, effectively, quickly and conveniently measuring the thickness of the soap powder on the surface of the steel wire, realizing that the thickness of the soap powder on the surface of the steel wire is brought into daily detection projects, and establishing a judgment standard of the quality of a steel wire product through a large amount of data collection and scientific statistical analysis, thereby effectively improving the control level of the quality of the steel wire product.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a statistical table 1 for the experimental parameters in the first example.
FIG. 3 is the experimental parameters in example two, which are detailed in statistical Table 2.
FIG. 4 is the experimental parameters in the third example, which are detailed in the statistical Table 3.
Detailed Description
The invention is further described below with reference to examples and figures:
in order to avoid repetition, the same parameters in the embodiments are labeled uniformly, and the description in each embodiment is not repeated:
the cleaning agent disclosed by the invention comprises the following components in percentage by mass and volume: 100 g/L of film remover A, 5 g/L of composite antirust agent B, 90 g/L of complexing agent C and the balance of water.
The power density of the ultrasonic wave is 3KW per square meter.
Example one
The method for measuring the thickness of the soap powder on the surface of the steel wire is realized by the following steps:
A. intercepting a sample: cutting the steel wire to be measured with the diameter D of 19.5 mm and subjected to shot blasting into 3 sections of steel wire samples with the length of 5cm, and marking different serial numbers;
B. weighing for the first time: weighing the initial weight m1 of each section of the steel wire sample;
C. removing soap powder: soaking each section of steel wire sample in a cleaning agent which is subjected to cavitation treatment with ultrasonic waves for 1 min at the temperature of 20 ℃, and quickly and effectively stripping the soap powder on the surface of the steel wire from the steel wire substrate (the soap powder on the surface of the steel wire is quickly and effectively stripped from the steel wire substrate by virtue of the cleaning agent and the ultrasonic cavitation effect);
D. cleaning and drying: sequentially taking out each section of steel wire sample from the cleaning agent, then putting the steel wire sample into clean flowing water for rinsing, then washing the steel wire sample by using distilled water, and finally quickly drying the steel wire sample;
E. and (3) secondary weighing: weighing each section of steel wire sample again, namely weighing m after soap powder is removed2；
F. Calculating the thickness weight: according to the diameter D and the initial weight m of the steel wire1、Weight m after removal of soap powder2Substituting a formula to calculate the thickness and weight m of the soap powder of each section of the steel wire sample respectivelyAIn units of g/m2Wherein the formula is: m isA=（m1-m2）*D*ρ/4/m2(ii) a Then according to the calculated thickness weight m of the soap powder of each section of steel wire sampleAFind mAAverage value of (1), mAThe average value of the average value is the thickness of the soap powder on the surface of the steel wire to be measured.
The experimental parameters in example one are detailed in statistical table 1.
Example two
The second method for measuring the thickness of the soap powder on the surface of the steel wire is realized by the following steps:
A. intercepting a sample: cutting the steel wire to be measured with the diameter D of 10.0 mm and subjected to shot blasting into 4 steel wire samples with the length of 8 cm, and marking different serial numbers;
B. weighing for the first time: weighing the initial weight m1 of each section of the steel wire sample;
C. removing soap powder: soaking each section of steel wire sample in a cleaning agent which is subjected to cavitation treatment with ultrasonic waves for 3 min at the temperature of 30 ℃, and quickly and effectively stripping the soap powder on the surface of the steel wire from the steel wire substrate (the soap powder on the surface of the steel wire is quickly and effectively stripped from the steel wire substrate by virtue of the cleaning agent and the ultrasonic cavitation effect);
D. cleaning and drying: sequentially taking out each section of steel wire sample from the cleaning agent, then putting the steel wire sample into clean flowing water for rinsing, then washing the steel wire sample by using distilled water, and finally quickly drying the steel wire sample;
E. and (3) secondary weighing: weighing each section of steel wire sample again, namely weighing m after soap powder is removed2；
F. Calculating the thickness weight: according to the diameter D and the initial weight m of the steel wire1、Weight m after removal of soap powder2Substituting a formula to calculate the thickness and weight m of the soap powder of each section of the steel wire sample respectivelyAIn units of g/m2Wherein the formula is: m isA=（m1-m2）*D*ρ/4/m2(ii) a Then according to the calculated thickness weight m of the soap powder of each section of steel wire sampleAFind mAAverage value of (1), mAThe average value of the average value is the thickness of the soap powder on the surface of the steel wire to be measured.
The experimental parameters in example two are detailed in statistical table 2.
EXAMPLE III
The third method for measuring the thickness of the soap powder on the surface of the steel wire is realized by the following steps:
A. intercepting a sample: cutting the steel wire to be measured with the diameter D of 1.8 mm and subjected to shot blasting into 5 sections of steel wire samples with the length of 15cm, and marking different serial numbers;
B. weighing for the first time: weigh the initial weight m of each sample of wire1；
C. Removing soap powder: soaking each section of steel wire sample in a cleaning agent which is subjected to cavitation treatment with ultrasonic waves for 5min at 40 ℃, and quickly and effectively stripping the soap powder on the surface of the steel wire from the steel wire substrate (the invention quickly and effectively strips the soap powder on the surface of the steel wire from the steel wire substrate by virtue of the cleaning agent and the ultrasonic cavitation effect);
D. cleaning and drying: sequentially taking out each section of steel wire sample from the cleaning agent, then putting the steel wire sample into clean flowing water for rinsing, then washing the steel wire sample by using distilled water, and finally quickly drying the steel wire sample;
E. and (3) secondary weighing: weighing each section of steel wire sample again, namely weighing m after soap powder is removed2；
F. Calculating the thickness weight:according to the diameter D and the initial weight m of the steel wire1、Weight m after removal of soap powder2Substituting a formula to calculate the thickness and weight m of the soap powder of each section of the steel wire sample respectivelyAIn units of g/m2Wherein the formula is: m isA=（m1-m2）*D*ρ/4/m2(ii) a Then according to the calculated thickness weight m of the soap powder of each section of steel wire sampleAFind mAAverage value of (1), mAThe average value of the average value is the thickness of the soap powder on the surface of the steel wire to be measured.
The experimental parameters in example three are detailed in statistical table 3.
Claims (3)
1. A method for measuring the thickness of soap powder on the surface of a steel wire is characterized by comprising the following steps: the method is realized by the following steps:
A. intercepting a sample: cutting the steel wire to be tested with the diameter D of 1.8-19.5 mm and subjected to shot blasting into 3-5 sections of steel wire samples with the length of 5-15 cm, and marking different serial numbers;
B. weighing for the first time: weigh the initial weight m of each sample of wire1；
C. Removing soap powder: soaking each section of steel wire sample in a cleaning agent which is subjected to cavitation treatment with the assistance of ultrasonic waves at the temperature of 20-40 ℃ for 1-5 min, and quickly and effectively stripping soap powder on the surface of the steel wire from a steel wire matrix;
D. cleaning and drying: sequentially taking out each section of steel wire sample from the cleaning agent, then putting the steel wire sample into clean flowing water for rinsing, then washing the steel wire sample by using distilled water, and finally quickly drying the steel wire sample;
E. and (3) secondary weighing: weighing each section of steel wire sample again, namely weighing m after soap powder is removed2；
F. Calculating the thickness weight: according to the diameter D and the initial weight m of the steel wire1、Weight m after removal of soap powder2Substituting a formula to calculate the thickness and weight m of the soap powder of each section of the steel wire sample respectivelyAIn units of g/m2Wherein the formula is: m isA=（m1-m2）*D*ρ/4/m2(ii) a Then according to the calculated thickness weight m of the soap powder of each section of steel wire sampleAObtainingmAAverage value of (1), mAThe average value of the average value is the thickness of the soap powder on the surface of the steel wire to be measured.
2. The method for measuring the thickness of the soap powder on the surface of the steel wire according to claim 1, wherein the method comprises the following steps: the cleaning agent comprises the following components in percentage by mass and volume: 100 g/L of film remover A, 5 g/L of composite antirust agent B, 90 g/L of complexing agent C and the balance of water.
3. The method for measuring the thickness of the soap powder on the surface of the steel wire according to claim 1, wherein the method comprises the following steps: the power density of the ultrasonic wave is 3KW per square meter.
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| CN202110428235.0A CN113091679A (en) | 2021-04-21 | 2021-04-21 | Method suitable for measuring thickness of soap powder on surface of steel wire |
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| CN202110428235.0A CN113091679A (en) | 2021-04-21 | 2021-04-21 | Method suitable for measuring thickness of soap powder on surface of steel wire |
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| CN113091679A true CN113091679A (en) | 2021-07-09 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139760A (en) * | 1995-09-22 | 1997-01-08 | 江苏钢绳集团公司 | Making tech. galvanized round highc arbon steel wire for optical cable reinforcing and equipment |
| JP2003166041A (en) * | 2001-12-03 | 2003-06-13 | Tatekawa Senzai Kk | Ultra thick galvanized steel wire for overhead transmission line, and manufacturing method therefor |
| JP2009101376A (en) * | 2007-10-22 | 2009-05-14 | Kobe Steel Ltd | Welding wire with copper plating |
| WO2016021006A1 (en) * | 2014-08-06 | 2016-02-11 | 株式会社 青木科学研究所 | Film thickness measurement method for mold release agent, coating liquid used in said film thickness measurement method, and fluorescence intensity measurement instrument used in said film thickness measurement method |
| CN108048632A (en) * | 2017-12-27 | 2018-05-18 | 中钢集团郑州金属制品研究院有限公司 | A kind of production technology of automobile chair frame steel wire |
| CN208751398U (en) * | 2018-07-05 | 2019-04-16 | 安泰天龙（天津）钨钼科技有限公司 | Thread gage with wear resistant surface coatings |
| CN109647922A (en) * | 2018-12-03 | 2019-04-19 | 江苏兴达钢帘线股份有限公司 | A kind of rubber hose enhancing steel wire and its production technology |
| CN112212820A (en) * | 2020-10-19 | 2021-01-12 | 中钢集团郑州金属制品研究院有限公司 | Method for measuring thickness of oxide layer on surface of steel wire |
| CN112630130A (en) * | 2020-11-04 | 2021-04-09 | 江苏省沙钢钢铁研究院有限公司 | Method for detecting iron oxide on surface of hot-rolled wire rod |
-
2021
- 2021-04-21 CN CN202110428235.0A patent/CN113091679A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139760A (en) * | 1995-09-22 | 1997-01-08 | 江苏钢绳集团公司 | Making tech. galvanized round highc arbon steel wire for optical cable reinforcing and equipment |
| JP2003166041A (en) * | 2001-12-03 | 2003-06-13 | Tatekawa Senzai Kk | Ultra thick galvanized steel wire for overhead transmission line, and manufacturing method therefor |
| JP2009101376A (en) * | 2007-10-22 | 2009-05-14 | Kobe Steel Ltd | Welding wire with copper plating |
| WO2016021006A1 (en) * | 2014-08-06 | 2016-02-11 | 株式会社 青木科学研究所 | Film thickness measurement method for mold release agent, coating liquid used in said film thickness measurement method, and fluorescence intensity measurement instrument used in said film thickness measurement method |
| CN108048632A (en) * | 2017-12-27 | 2018-05-18 | 中钢集团郑州金属制品研究院有限公司 | A kind of production technology of automobile chair frame steel wire |
| CN208751398U (en) * | 2018-07-05 | 2019-04-16 | 安泰天龙（天津）钨钼科技有限公司 | Thread gage with wear resistant surface coatings |
| CN109647922A (en) * | 2018-12-03 | 2019-04-19 | 江苏兴达钢帘线股份有限公司 | A kind of rubber hose enhancing steel wire and its production technology |
| CN112212820A (en) * | 2020-10-19 | 2021-01-12 | 中钢集团郑州金属制品研究院有限公司 | Method for measuring thickness of oxide layer on surface of steel wire |
| CN112630130A (en) * | 2020-11-04 | 2021-04-09 | 江苏省沙钢钢铁研究院有限公司 | Method for detecting iron oxide on surface of hot-rolled wire rod |
Non-Patent Citations (2)
| Title |
|---|
| 张学辉等: "钢丝热镀锌及合金生产技术", 工业技术, no. 15, 31 August 2018 (2018-08-31), pages 91 - 93 * |
| 阮煦寰, 郑振忠: "强迫润滑拉拔――干粉润滑剂强迫润滑拉拔压力管的长度", 北京科技大学学报, no. 04, 25 August 1989 (1989-08-25), pages 325 - 331 * |
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