CN114309102A - Strong lubricating drawing process for high-ductility metal wire - Google Patents
Strong lubricating drawing process for high-ductility metal wire Download PDFInfo
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- CN114309102A CN114309102A CN202111671975.3A CN202111671975A CN114309102A CN 114309102 A CN114309102 A CN 114309102A CN 202111671975 A CN202111671975 A CN 202111671975A CN 114309102 A CN114309102 A CN 114309102A
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- wire
- electric furnace
- heating
- box type
- type electric
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 title claims abstract description 14
- 230000001050 lubricating effect Effects 0.000 title claims description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005461 lubrication Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims abstract description 4
- 238000005491 wire drawing Methods 0.000 claims description 23
- 239000000314 lubricant Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 6
- 238000004513 sizing Methods 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The invention discloses a high-ductility metal wire strong-lubrication drawing process, which comprises the following steps: the method comprises the following steps: and (3) performing heat treatment on the wire, namely, heating the box type electric furnace from room temperature to 880 ℃ at a heating speed of 15 ℃/min by adopting the box type electric furnace, putting the wire into the electric furnace before the temperature of the box type electric furnace is reduced to 820 ℃, then heating the heating furnace to 850 ℃ at a heating speed of 5 ℃/min by using the box type electric furnace, preserving heat for 20min, and after the heat preservation is finished, putting the wire into water and cooling to room temperature. According to the invention, the elongation of the wire rod is remarkably increased and kept stable by carrying out the heat treatment of the first step on the wire rod.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of drawing, in particular to the technical field of a high-ductility metal wire strong lubrication drawing process.
[ background of the invention ]
The heat treatment method of the metal wire in the prior art is difficult to ensure that the elongation is stably kept above 15 percent, so that the metal wire is difficult to be drawn into thinner wires by one hundred percent, the yield of the wire is reduced, and the great waste of raw materials is brought. In addition, the wires need to be drawn after heat treatment, so that the wires better meet the subsequent processing, however, most of the wires produced in China currently adopt the same drawing parameters and drawing conditions during drawing, so that the wires made of different materials cannot be drawn in the best drawing state, surface defects are easy to generate, the wire breakage phenomenon occurs in serious conditions, and normal production cannot be performed.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, provides a high-ductility metal wire strong-lubrication drawing process, can improve and stabilize the elongation of a wire by carrying out heat treatment on the wire, and simultaneously adopts a specific wire drawing die and a reasonable coating process during drawing to improve the wire drawing quality and ensure the surface quality of the wire in the wire drawing process.
In order to achieve the purpose, the invention provides a strong lubricating drawing process for a high-ductility metal wire, which comprises the following steps of:
the method comprises the following steps: performing heat treatment on the wire, namely heating the box type electric furnace from room temperature to 880 ℃ at a heating speed of 15 ℃/min by adopting the box type electric furnace, putting the wire into the electric furnace before the temperature of the box type electric furnace is reduced to 820 ℃, then heating the heating furnace to 850 ℃ by using the box type electric furnace at a heating speed of 5 ℃/min, preserving heat for 20min, and after the heat preservation is finished, putting the wire into water and cooling to room temperature;
step two: wire drawing, namely coating a layer of lime lubricating film on the surface of the wire, placing a lubricating agent in a lubricating area of a wire drawing die, and enabling the wire to sequentially pass through the lubricating area, a working area and a sizing area for drawing, wherein the compression ratio during drawing is controlled to be 15-30%, and the drawing speed is 5-8 m/s.
Preferably, in the first step, after the wire is kept warm for 20min, the wire is put into water and cooled to room temperature within 15 s.
Preferably, in the second step, polar or surface active lubricant is used as the lubricant.
Preferably, in the second step, the drawing die has a working cone angle α of 14-18 ° and a sizing zone length L of 0.4D-0.6D.
The invention has the beneficial effects that: according to the invention, through the heat treatment of the first step, the elongation of the wire rod is obviously increased and kept stable, the elongation of the wire rod is improved and stabilized, the yield of the wire rod in drawing is improved, and the waste of raw materials is avoided; and in the second step, a specific wire drawing die and a reasonable coating process are adopted during drawing, the wire drawing quality is improved, the surface is free of defects during drawing, and the surface quality of the wire in the wire drawing process is ensured.
The features and advantages of the present invention will be described in detail by way of examples.
[ detailed description ] embodiments
The invention relates to a strong lubrication drawing process of a high-ductility metal wire, which comprises the following steps:
the method comprises the following steps: performing heat treatment on the wire, namely heating the box type electric furnace from room temperature to 880 ℃ at a heating speed of 15 ℃/min by adopting the box type electric furnace, putting the wire into the electric furnace before the temperature of the box type electric furnace is reduced to 820 ℃, then heating the heating furnace to 850 ℃ by using the box type electric furnace at a heating speed of 5 ℃/min, preserving heat for 20min, and after the heat preservation is finished, putting the wire into water and cooling to room temperature;
step two: wire drawing, namely coating a layer of lime lubricating film on the surface of the wire, placing a lubricating agent in a lubricating area of a wire drawing die, and enabling the wire to sequentially pass through the lubricating area, a working area and a sizing area for drawing, wherein the compression ratio during drawing is controlled to be 15-30%, and the drawing speed is 5-8 m/s.
In the first step, after the wire is kept warm for 20min, the wire is put into water within 15s and cooled to room temperature.
In the second step, polar or surface active lubricant is adopted as the lubricant.
In the second step, the wire drawing die adopts a wire drawing die with a working cone angle alpha of 14-18 degrees and a sizing zone length L of 0.4D-0.6D.
The working process of the invention is as follows:
according to the high-ductility metal wire strong-lubrication drawing process, in the working process, the wire is subjected to the heat treatment in the first step, so that the elongation of the wire is remarkably increased and kept stable, the elongation of the wire is improved and stabilized, the wire drawing yield is improved, and waste of raw materials is avoided; and in the second step, a specific wire drawing die and a reasonable coating process are adopted during drawing, the wire drawing quality is improved, the surface is free of defects during drawing, and the surface quality of the wire in the wire drawing process is ensured.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (4)
1. The strong lubrication drawing process of the high-ductility metal wire is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: performing heat treatment on the wire, namely heating the box type electric furnace from room temperature to 880 ℃ at a heating speed of 15 ℃/min by adopting the box type electric furnace, putting the wire into the electric furnace before the temperature of the box type electric furnace is reduced to 820 ℃, then heating the heating furnace to 850 ℃ by using the box type electric furnace at a heating speed of 5 ℃/min, preserving heat for 20min, and after the heat preservation is finished, putting the wire into water and cooling to room temperature;
step two: wire drawing, namely coating a layer of lime lubricating film on the surface of the wire, placing a lubricating agent in a lubricating area of a wire drawing die, and enabling the wire to sequentially pass through the lubricating area, a working area and a sizing area for drawing, wherein the compression ratio during drawing is controlled to be 15-30%, and the drawing speed is 5-8 m/s.
2. The high ductility metal wire drawing process of claim 1, wherein: in the first step, after the wire is insulated for 20min, the wire is put into water within 15s and cooled to room temperature.
3. The high ductility metal wire drawing process of claim 1, wherein: in the second step, polar or surface active lubricant is adopted as the lubricant.
4. The high ductility metal wire drawing process of claim 1, wherein: in the second step, the wire drawing die adopts a wire drawing die with a working cone angle alpha of 14-18 degrees and a sizing zone length L of 0.4D-0.6D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671975.3A CN114309102A (en) | 2021-12-31 | 2021-12-31 | Strong lubricating drawing process for high-ductility metal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111671975.3A CN114309102A (en) | 2021-12-31 | 2021-12-31 | Strong lubricating drawing process for high-ductility metal wire |
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| Publication Number | Publication Date |
|---|---|
| CN114309102A true CN114309102A (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111671975.3A Pending CN114309102A (en) | 2021-12-31 | 2021-12-31 | Strong lubricating drawing process for high-ductility metal wire |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289535A (en) * | 2014-09-30 | 2015-01-21 | 东莞市科力钢铁线材有限公司 | Method for forcedly lubricating and drawing wire rod |
| CN105261422A (en) * | 2015-10-30 | 2016-01-20 | 西北有色金属研究院 | Preparation method of high-strength high-conductivity copper-silver alloy wire |
| CN109759463A (en) * | 2017-11-09 | 2019-05-17 | 浙江德立精密合金科技有限公司 | A kind of method of strong lubrication drawing wires |
| CN111424161A (en) * | 2020-03-17 | 2020-07-17 | 中北大学 | Heat treatment method for improving and stabilizing elongation of iron-chromium-aluminum wire |
-
2021
- 2021-12-31 CN CN202111671975.3A patent/CN114309102A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104289535A (en) * | 2014-09-30 | 2015-01-21 | 东莞市科力钢铁线材有限公司 | Method for forcedly lubricating and drawing wire rod |
| CN105261422A (en) * | 2015-10-30 | 2016-01-20 | 西北有色金属研究院 | Preparation method of high-strength high-conductivity copper-silver alloy wire |
| CN109759463A (en) * | 2017-11-09 | 2019-05-17 | 浙江德立精密合金科技有限公司 | A kind of method of strong lubrication drawing wires |
| CN111424161A (en) * | 2020-03-17 | 2020-07-17 | 中北大学 | Heat treatment method for improving and stabilizing elongation of iron-chromium-aluminum wire |
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