CN102861782B - Manufacturing process of screw wires - Google Patents
Manufacturing process of screw wires Download PDFInfo
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- CN102861782B CN102861782B CN201210426657.5A CN201210426657A CN102861782B CN 102861782 B CN102861782 B CN 102861782B CN 201210426657 A CN201210426657 A CN 201210426657A CN 102861782 B CN102861782 B CN 102861782B
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Abstract
The invention relates to a manufacturing process of steel wires in the technical field of metallurgy, and particularly relates to the manufacturing process of screw wires. The manufacturing process sequentially comprises the following steps: a wire rack provided with wire rods is suspended in a tank contained with pickling solution; the washed wire rods are suspended in a tank contained with neutralizing solution and then suspended in a tank contained with hot lime; after being drawn, the predetermined screw wires with a semi-finished specification are obtained; the drawn screw wires are arranged in a heat treating furnace and then subjected to spheroidizing annealing under the protection of a methanol atmosphere; the first step of pickling is repeated; the pickled screw wires are suspended in a tank contained with phosphating solution and then suspended in a tank contained with saponifying solution after being washed by water; and after being drawn, the predetermined steel wires with a finished specification are obtained. The screw wires manufactured by adopting the manufacturing process have the advantages of good surface quality, good photometric brightness, strong lubricity and corrosion resistance, and high cold heading performance and fatigue resistance.
Description
Technical field
The present invention relates to the manufacturing process of steel wire rod in a kind of metallurgical technology field, be specifically related to a kind of manufacturing process of screw wire rod.
Background technology
At present, the technological process of production of screw wire rod is that the rough drawing of wire rod → pretreatment → middle silk heat treatment line → middle silk drawing → annealing → inspection → packaging is dispatched from the factory.
Publication number is the production technology that the Chinese invention patent of CN1331622C describes a kind of composite stainless steel wire rod, and it in turn includes the following steps: (a) cleans steel wire and stainless steel band two kinds of raw material; B () stainless steel band is rolled into tubulose parcel core silk by shaping mould; The longitudinal seam of (c) soldering stainless steel band; D () bimetallic combined process and heat treatment: mild steel adopts diffusion technique, form metallurgical binding face; Middle, high-carbon adopts the method for physics to form the faying face of intermolecular mutual absorption, concrete employing Fast Heating and fast cooling, Hot Quenching Heat Processing, wherein heating-up temperature is 850 ~ 1200 DEG C, and the heat time is within 60 seconds, cooling velocity is 60-100 DEG C/sec, make faying face form good physical bond or metallurgical binding, meanwhile, make high-carbon steel sorbitizing, medium carbon steel has the effect of normalizing or quenching, and the stainless steel cladding on surface has admittedly molten effect; E () stretches: adopt rhinestone mould, natural diamond mould, pressure mould, rolling drawing mould particular manufacturing craft and technology, and multi-pass stretches, and stretching pass deformation is 10% ~ 28%, and total deformation is at 50%-95%; F () is annealed: adopt low temperature heat-treatment process to heat-treat.
Mainly there is following defect in the production technology of prior art: 1, technique is unstable, and percent defective is high; 2, complex procedures; 3, device category is many, artificial single process operation, and labour intensity is large, and staffing is many, and efficiency is low.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, there is provided a kind of manufacturing process of screw wire rod, adopt the screw wire rod excellent surface quality that process of the present invention manufactures, brightness is good, there is stronger lubricity, corrosion resistance, cold heading performance and fatigue resistance high; Silk heat treatment in the cancellation of this technique, simplifies operation, to realize the object of improving the quality of products, improving operating environment, reducing production cost.
Object of the present invention is achieved through the following technical solutions: a kind of manufacturing process of screw wire rod, and it in turn includes the following steps:
A: pickling: hung in by the coil holder installing wire rod wire rod and be equipped with in the groove of pickle, under normal temperature, pickling 5 ~ 15min, rinses with water;
B: coating: the wire rod wire rod after steps A being rinsed hangs in and is equipped with in the groove of neutralizer, with 1 ~ 3min under normal temperature; Wire rod wire rod after neutralization is hung in the groove that hot lime is housed, coating 1 ~ 3min at 55 ~ 65 DEG C of temperature;
C: powder is taken out: the wire rod wire rod after step B coating is adopted Standard Module point passes of drawing continuously, obtains the screw wire rod of predetermined semi-finished product specification;
D: annealing: the screw wire rod after step C drawing is placed in heat-treatment furnace, carries out spheroidizing process under methyl alcohol atmosphere protection;
E: pickling: the screw wire rod after being annealed by step D hangs in and is equipped with in the groove of pickle, and under normal temperature, pickling 5 ~ 15min, rinses with water;
F: phosphatization: the screw wire rod after step e pickling is hung in and is equipped with in the groove of Phosphating Solution, phosphatization 8 ~ 12min at 75 ~ 85 DEG C of temperature; Hanging in after water rinses is equipped with in the groove of saponification liquor, saponification 3 ~ 7min at 75 ~ 80 DEG C of temperature;
G: essence is taken out: adopt Standard Module to carry out precision drawing the screw wire rod after step F phosphatization, obtain the screw wire rod of predetermined trimmed size.
Preferably, in described steps A and step e, by weight percentage, pickle is made up of following raw material: hydrochloric acid 40 ~ 60%, acid fog inhibitor 0.01 ~ 0.03%, and surplus is water.
More preferred, in described steps A and step e, acid fog inhibitor is hexamethylenetetramine.
Preferably, in described step B, by weight percentage, neutralizer is made up of following raw material: quick lime 8 ~ 12%, soap powder 0.8 ~ 1.2%, and surplus is water.
Preferably, in described step B, by weight percentage, hot lime is made up of following raw material: quick lime 15 ~ 25%, soap powder 1.5 ~ 2.5%, and surplus is water, and hot lime coating temperature is 55 ~ 65 DEG C.
Preferably, in described step C, the concrete technology of spheroidizing is: under methyl alcohol atmosphere protection, in the time of 5 ~ 7h, the temperature in stove is risen to 710 ~ 730 DEG C, and is incubated 5 ~ 7h; Controlled cooling model speed is 15 ~ 25 DEG C/h, and the temperature in stove is slowly cooled to 540 ~ 560 DEG C; Open bell, controlled cooling model speed is 75 ~ 85 DEG C/h, and in-furnace temperature is quickly cooled to 390 ~ 410 DEG C; Come out of the stove, Air flow is to normal temperature.
Preferably, in described step F, by weight percentage, Phosphating Solution is made up of following raw material: phosphoric acid 2 ~ 4%, nitric acid 1 ~ 2%, zinc oxide 1.0-1.5%, natrium nitrosum 0.05 ~ 0.1%, and surplus is water.
More preferred, in described step F, the full controlling pH of Phosphating Solution is in FA=28 ~ 36, and free acidity controls in TA=5 ~ 7.
Preferably, in described step F, by weight percentage, saponification liquor is made up of following raw material: soap powder 5 ~ 10%, and surplus is water, and the pH of saponification liquor controls 8 ~ 10.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, the screw wire rod excellent surface quality of this manufacture technics, brightness is good, has stronger lubricity, corrosion resistance, cold heading performance and fatigue resistance high;
2, eliminate middle silk heat treatment step, production technology is more simplified, has more science.The stable of product quality can be ensured, production cost can be made again significantly to reduce;
3, produce line device category, operation number and fund input are few, and production efficiency obtains effective raising.
detailed description of the invention:
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is described in further detail, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
A manufacturing process for screw wire rod, it in turn includes the following steps:
Pickling: hung in by the coil holder installing wire rod wire rod and be equipped with in the groove of pickle, pickle is made up of following raw material: hydrochloric acid 400Kg, hexamethylenetetramine 0.1Kg, water 599.9 Kg, under normal temperature, pickling 15min, rinses with water;
Coating: hung in and be equipped with in the groove of neutralizer by the wire rod wire rod after rinsing, neutralizer is made up of following raw material: quick lime 80Kg, soap powder 8Kg, water 912 Kg, under normal temperature and 3min; Hang in the groove that hot lime is housed by the wire rod wire rod after neutralization, hot lime is made up of following raw material: quick lime 150Kg, soap powder 15Kg, water 835Kg, coating 3min at 55 DEG C of temperature;
Powder is taken out: the wire rod wire rod after coating is adopted Standard Module point passes of drawing continuously, obtains the screw wire rod of predetermined semi-finished product specification;
Annealing: be placed in heat-treatment furnace by the screw wire rod after drawing, under methyl alcohol atmosphere protection, rises to 710 DEG C by the temperature in stove in the time of 5h, and is incubated 5h; Controlled cooling model speed is 15 DEG C/h, and the temperature in stove is slowly cooled to 540 DEG C; Open bell, controlled cooling model speed is 75 DEG C/h, and in-furnace temperature is quickly cooled to 390 DEG C; Come out of the stove, Air flow is to normal temperature.
Pickling: the screw wire rod after annealing is continued pickling 5 ~ 15min under normal temperature in the groove that pickle is housed, rinses with water;
Phosphatization: the screw wire rod after pickling is hung in and is equipped with in the groove of Phosphating Solution, Phosphating Solution is made up of following raw material: phosphoric acid 20Kg, nitric acid 10Kg, zinc oxide 10Kg, natrium nitrosum 0.5Kg, water 959.5Kg, the full controlling pH of Phosphating Solution is at FA=28, free acidity controls at TA=5, phosphatization 12min at 75 DEG C of temperature; Hanging in after water rinses is equipped with in the groove of saponification liquor, and saponification liquor is made up of following raw material: soap powder 50Kg, water 950Kg, and the pH of saponification liquor controls 8, saponification 7min at 80 DEG C of temperature;
Essence is taken out: adopt Standard Module to carry out precision drawing the screw wire rod after phosphatization, obtain the screw wire rod of predetermined trimmed size.
Adopt the screw wire rod excellent surface quality that process of the present invention manufactures, brightness is good, has stronger lubricity, corrosion resistance, cold heading performance and fatigue resistance high.
Embodiment 2
A manufacturing process for screw wire rod, it in turn includes the following steps:
Pickling: hung in by the coil holder installing wire rod wire rod and be equipped with in the groove of pickle, pickle is made up of following raw material: hydrochloric acid 500Kg, hexamethylenetetramine 0.2Kg, water 499.8Kg, and under normal temperature, pickling 10min, rinses with water;
Coating: hung in and be equipped with in the groove of neutralizer by the wire rod wire rod after rinsing, neutralizer is made up of following raw material: quick lime 100Kg, soap powder 10Kg, water 890 Kg, under normal temperature and 2min; Hang in the groove that hot lime is housed by the wire rod wire rod after neutralization, hot lime is made up of following raw material: quick lime 200Kg, soap powder 20Kg, water 780Kg, coating 2min at 60 DEG C of temperature;
Powder is taken out: the wire rod wire rod after coating is adopted Standard Module point passes of drawing continuously, obtains the screw wire rod of predetermined semi-finished product specification;
Annealing: be placed in heat-treatment furnace by the screw wire rod after drawing, under methyl alcohol atmosphere protection, rises to 720 DEG C by the temperature in stove in the time of 6h, and is incubated 5h; Controlled cooling model speed is 20 DEG C/h, and the temperature in stove is slowly cooled to 550 DEG C; Open bell, controlled cooling model speed is 80 DEG C/h, and in-furnace temperature is quickly cooled to 400 DEG C; Come out of the stove, Air flow is to normal temperature.
Pickling: repeat first step acid pickling step;
Phosphatization: the screw wire rod after pickling is hung in and is equipped with in the groove of Phosphating Solution, Phosphating Solution is made up of following raw material: phosphoric acid 30Kg, nitric acid 15Kg, zinc oxide 12.5Kg, natrium nitrosum 0.75Kg, water 941.75Kg, the full controlling pH of Phosphating Solution is at FA=32, free acidity controls at TA=6, phosphatization 10min at 80 DEG C of temperature; Hanging in after water rinses is equipped with in the groove of saponification liquor, and saponification liquor is made up of following raw material: soap powder 75Kg, water 925Kg, and the pH of saponification liquor controls 9, saponification 5min at 77 DEG C of temperature;
Essence is taken out: adopt Standard Module to carry out precision drawing the screw wire rod after phosphatization, obtain the screw wire rod of predetermined trimmed size.
Adopt the screw wire rod excellent surface quality that process of the present invention manufactures, brightness is good, has stronger lubricity, corrosion resistance, cold heading performance and fatigue resistance high.
Embodiment 3
A manufacturing process for screw wire rod, it in turn includes the following steps:
Pickling: hung in by the coil holder installing wire rod wire rod and be equipped with in the groove of pickle, pickle is made up of following raw material: hydrochloric acid 600Kg, hexamethylenetetramine 0.3Kg, water 399.7Kg, and under normal temperature, pickling 5min, rinses with water;
Coating: hung in and be equipped with in the groove of neutralizer by the wire rod wire rod after rinsing, neutralizer is made up of following raw material: quick lime 120Kg, soap powder 12Kg, water 868Kg, under normal temperature and 1min; Hang in the groove that hot lime is housed by the wire rod wire rod after neutralization, hot lime is made up of following raw material: quick lime 250Kg, soap powder 25Kg, water 725Kg, coating 1min at 65 DEG C of temperature;
Powder is taken out: the wire rod wire rod after coating is adopted Standard Module point passes of drawing continuously, obtains the screw wire rod of predetermined semi-finished product specification;
Annealing: be placed in heat-treatment furnace by the screw wire rod after drawing, under methyl alcohol atmosphere protection, rises to 730 DEG C by the temperature in stove in the time of 7h, and is incubated 5h; Controlled cooling model speed is 25 DEG C/h, and the temperature in stove is slowly cooled to 560 DEG C; Open bell, controlled cooling model speed is 85 DEG C/h, and in-furnace temperature is quickly cooled to 410 DEG C; Come out of the stove, Air flow is to normal temperature.
Pickling: repeat first step acid pickling step;
Phosphatization: the screw wire rod after pickling is hung in and is equipped with in the groove of Phosphating Solution, Phosphating Solution is made up of following raw material: phosphatase 24 0Kg, nitric acid 20Kg, zinc oxide 15Kg, natrium nitrosum 1Kg, water 924Kg, the full controlling pH of Phosphating Solution is at FA=36, free acidity controls at TA=7, phosphatization 8min at 85 DEG C of temperature; Hanging in after water rinses is equipped with in the groove of saponification liquor, and saponification liquor is made up of following raw material: soap powder 100Kg, water 900Kg, and the pH of saponification liquor controls 10, saponification 3min at 75 DEG C of temperature;
Essence is taken out: adopt Standard Module to carry out precision drawing the screw wire rod after phosphatization, obtain the screw wire rod of predetermined trimmed size.
Adopt the screw wire rod excellent surface quality that process of the present invention manufactures, brightness is good, has stronger lubricity, corrosion resistance, cold heading performance and fatigue resistance high.
Above-described embodiment is the present invention's preferably embodiment, but embodiments of the present invention are not restricted to the described embodiments, and therefore according to the equivalent variations that the present patent application the scope of the claims is done, is included within protection scope of the present invention.
Claims (1)
1. a manufacturing process for screw wire rod, is characterized in that: it in turn includes the following steps:
A: pickling: hung in by the coil holder installing wire rod wire rod and be equipped with in the groove of pickle, under normal temperature, pickling 5-15min, rinses with water;
B: coating: the wire rod wire rod after steps A being rinsed hangs in and is equipped with in the groove of neutralizer, under normal temperature and 1-3min; Wire rod wire rod after neutralization is hung in the groove that hot lime is housed, coating 1-3min at 55-65 DEG C of temperature;
C: powder is taken out: the wire rod wire rod after step B coating is adopted Standard Module point passes of drawing continuously, obtains the screw wire rod of predetermined semi-finished product specification;
D: annealing: the screw wire rod after step C drawing is placed in heat-treatment furnace, carries out spheroidizing process under methyl alcohol atmosphere protection;
E: pickling: the screw wire rod after being annealed by step D hangs in and is equipped with in the groove of pickle, and under normal temperature, pickling 5-15min, rinses with water;
F: phosphatization: the screw wire rod after step e pickling is hung in and is equipped with in the groove of Phosphating Solution, phosphatization 8-12min at 75-85 DEG C of temperature; Hanging in after water rinses is equipped with in the groove of saponification liquor, saponification 3-7min at 75-80 DEG C of temperature;
G: essence is taken out: adopt Standard Module to carry out precision drawing the screw wire rod after step F phosphatization, obtain the screw wire rod of predetermined trimmed size,
Wherein, the pickle in described steps A and step e, by weight percentage, be made up of following raw material: hydrochloric acid 40-60%, acid fog inhibitor 0.01-0.03%, surplus is water, and described acid fog inhibitor is hexamethylenetetramine;
Wherein, in described step B, by weight percentage, neutralizer is made up of following raw material: quick lime 8-12%, soap powder 0.8-1.2%, and surplus is water;
Wherein, in described step B, by weight percentage, hot lime is made up of following raw material: quick lime 15-25%, soap powder 1.5-2.5%, and surplus is water;
Wherein, in described step D, the concrete technology of spheroidizing is: under methyl alcohol atmosphere protection, in the time of 5-7h, the temperature in stove is risen to 710-730 DEG C, and is incubated 5-7h; Controlled cooling model speed is 15-25 DEG C/h, and the temperature in stove is slowly cooled to 540-560 DEG C; Open bell, controlled cooling model speed is 75-85 DEG C/h, and in-furnace temperature is quickly cooled to 390-410 DEG C; Come out of the stove, Air flow is to normal temperature;
Wherein, in described step F, by weight percentage, Phosphating Solution is made up of following raw material: phosphoric acid 2-4%, nitric acid 1-2%, zinc oxide 1.0-1.5%, natrium nitrosum 0.05-0.1%, and surplus is water;
In described step F, the full controlling pH of Phosphating Solution is at FA=28-36, and free acidity controls at TA=5-7;
In described step F, by weight percentage, saponification liquor is made up of following raw material: soap powder 5-10%, and surplus is water, and the pH of saponification liquor controls at 8-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426657.5A CN102861782B (en) | 2012-10-31 | 2012-10-31 | Manufacturing process of screw wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210426657.5A CN102861782B (en) | 2012-10-31 | 2012-10-31 | Manufacturing process of screw wires |
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| CN102861782A CN102861782A (en) | 2013-01-09 |
| CN102861782B true CN102861782B (en) | 2015-07-01 |
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| CN201210426657.5A Active CN102861782B (en) | 2012-10-31 | 2012-10-31 | Manufacturing process of screw wires |
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| CN111496005A (en) * | 2020-04-30 | 2020-08-07 | 苏州强新合金材料科技有限公司 | Steel wire rod lime wire stretching process |
| CN111496004A (en) * | 2020-04-30 | 2020-08-07 | 苏州强新合金材料科技有限公司 | Production process of phosphorus-free steel wire |
| CN114318310B (en) * | 2021-12-13 | 2024-03-12 | 中国建筑第二工程局有限公司 | Preparation method of nuclear power saponification steel belt |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB894048A (en) * | 1959-10-12 | 1962-04-18 | British Oxygen Co Ltd | Manufacture and treatment of wires |
| CN1405350A (en) * | 2001-09-10 | 2003-03-26 | 株式会社神户制钢所 | High-strength steel wire with anti-strain-ageing-brittle and anti-longitudinal-crack and manufacture method thereof |
| CN101147928A (en) * | 2007-10-19 | 2008-03-26 | 南通翔鹰钢丝弹簧有限公司 | Blue shift straight filament wire and production method |
| CN101298643A (en) * | 2008-06-30 | 2008-11-05 | 中铝洛阳铜业有限公司 | Environment-protective free-cutting copper alloy material and processing technique |
| CN101961736A (en) * | 2010-09-03 | 2011-02-02 | 宁波金田铜业(集团)股份有限公司 | Continuous pickling and wiredrawing process of brass wire |
| CN101992225A (en) * | 2009-08-14 | 2011-03-30 | 江苏宏泰不锈钢丝绳有限公司 | Stainless steel wire drawing production process using polishing for replacing acid washing |
| CN102233364A (en) * | 2010-04-21 | 2011-11-09 | 宝山钢铁股份有限公司 | Martensite air valve steel bar production method |
-
2012
- 2012-10-31 CN CN201210426657.5A patent/CN102861782B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB894048A (en) * | 1959-10-12 | 1962-04-18 | British Oxygen Co Ltd | Manufacture and treatment of wires |
| CN1405350A (en) * | 2001-09-10 | 2003-03-26 | 株式会社神户制钢所 | High-strength steel wire with anti-strain-ageing-brittle and anti-longitudinal-crack and manufacture method thereof |
| CN101147928A (en) * | 2007-10-19 | 2008-03-26 | 南通翔鹰钢丝弹簧有限公司 | Blue shift straight filament wire and production method |
| CN101298643A (en) * | 2008-06-30 | 2008-11-05 | 中铝洛阳铜业有限公司 | Environment-protective free-cutting copper alloy material and processing technique |
| CN101992225A (en) * | 2009-08-14 | 2011-03-30 | 江苏宏泰不锈钢丝绳有限公司 | Stainless steel wire drawing production process using polishing for replacing acid washing |
| CN102233364A (en) * | 2010-04-21 | 2011-11-09 | 宝山钢铁股份有限公司 | Martensite air valve steel bar production method |
| CN101961736A (en) * | 2010-09-03 | 2011-02-02 | 宁波金田铜业(集团)股份有限公司 | Continuous pickling and wiredrawing process of brass wire |
Non-Patent Citations (2)
| Title |
|---|
| 王斯华.10B21低碳合金钢线材正交试验优化球化退火工艺.《金属制品》.2012,第38卷(第5期), * |
| 赵广兴等.邢钢线材精制线工艺技术.《2006年线材制品国际技术研讨会会议文集》.2006, * |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 Guangdong province Dongguan city Wangniudun Industrial Park in Dongxing Patentee after: Dongguan Keli Wire Technology Co. Ltd. Address before: 523196 Guangdong province Dongguan city Wangniudun Industrial Park Dongxing Dongguan Keli steel wire Co. Ltd. Patentee before: Dongguan Kelee Steel Wire Co., Ltd. |