CN1092547C - Technology for manufacturing steel wire with lubricating film layer and its drawing die - Google Patents
Technology for manufacturing steel wire with lubricating film layer and its drawing die Download PDFInfo
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- CN1092547C CN1092547C CN99100452A CN99100452A CN1092547C CN 1092547 C CN1092547 C CN 1092547C CN 99100452 A CN99100452 A CN 99100452A CN 99100452 A CN99100452 A CN 99100452A CN 1092547 C CN1092547 C CN 1092547C
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- steel wire
- film layer
- lubricating film
- drawing die
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Abstract
The present invention relates to a method and a drawing die for manufacturing a steel wire with a lubricating thin layer film. A steel wire which uses austenite stainless steel as base material is used and basically contains more than 17% of chromium (Cr) and more than 8% of nickel (Ni). After the steel wire is treated in a solution mode, a layer of bonding agent containing molybdenum is coated on the surface of the steel wire; after the steel wire is dried and hardened to form a layer of dry-type thin film, the steel wire is drawn into a new steel wire by a drawing die with a complex entrance angle. The present invention has the advantages of increasing and keeping the lubricating effect of the steel wire, and improving the quality of the finished product of the steel wire.
Description
The present invention relates to a kind of technology for manufacturing steel wire and drawing die thereof with lubricating film layer.
Traditional pull tool machine that prolongs is at the coil capstan winch that installs the drawing die more than at least one tool on the machine bed surface and reeled by steel wire, and steel wire reaches the processing purpose of reduction sectional area via drawing die.As shown in Figure 1, general wire rod drawing die 1 is because inlet port d
0Greater than pulling out a mouthful d
1Many, so steel wire 3 is from inlet port d
0Import taper hole and do to prolong when drawing, though the sectional area reduction and the length of steel wire 3 are increased, because traditional wire rod drawing die 1 inlet port d
0Opening is bigger, and the pulling action section 1 of steel wire 3 processes is longer, steel wire 3 is big with wire rod drawing die 1 contact area, cause to prolong when drawing and to produce high frictional heat energy, not only influence is prolonged pulling process and quality of finished and mould and is damaged easily, the attached work of script is reduced at steel wire 3 lip-deep dry type films, so that the attached outstanding effect of the lubricated bond on the steel wire 3 is relatively poor, and unfavorable postorder industry is manufactured.
In addition, general stainless steel wire is in process such as backguy, its work flow complexity, and steel wire often occurs problems such as uneven phenomenon of soft durometer and material loss are arranged, so that the lubricant effect of steel wire is not good, can be in the processing and manufacturing of postorder processing procedure difficulty, make that the quality of the product made with steel wire also can be unstable.
Main purpose of the present invention promptly is to provide a kind of technology for manufacturing steel wire with lubricating film layer, and the steel wire that drawing is finished obtains splendid surface accuracy and tensile strength, directly uses for the postorder industry.
Another main purpose of the present invention promptly is to provide a kind of be used to make steel wire with lubricating film layer compound to go into the angle drawing die, overcome the deficiencies in the prior art, reach to increase and keep the steel wire lubricant effect, and the reprocessing quality bills of materials of raising steel wire manufactured goods, remove lubricated once more trouble, the purpose of the favourable direct manufacturing from for the postorder industry.
The inventive method is to be that stainless steel is a base material with austenite (austenite), carry out the epithelium of the coat of metal in advance handles on its surface, and in prolonging of steel wire be pulled through in the journey by a kind of effectively lubricating and adhere to the steel wire surface contain the molybdenum bond, make to draw the steel wire of finishing and obtain splendid surface accuracy and tensile strength.
The invention is characterized in that adopting austenite (austenite) is that stainless steel is the steel wire of base material, these austenite stainless steel steel contain chromium (Cr) and the 8% above nickel (Ni) more than 17% basically, above-mentioned steel wire is handled through solutionizing, contain the molybdenum bond at its surperficial coated one deck then, treat its dry sclerosis and after forming one deck dry type film, this steel wire is made required steel wire through drawing die.
The chemical composition that the austenite stainless steel steel that the present invention preferably adopts contain is (weight %): the carbon below 0.20% (C), 2.00% following silicon (Si), the manganese below 2.00% (Mn), the phosphorus below 0.040% (P), the sulphur below 0.040% (S), 8%～22% nickel (Ni) and 17%～27% chromium (Cr).
The inventive method can be as shown in Figure 2, and process is: austenite stainless steel steel wire-solutionizing handles-coat of metal epithelium of zinc-plated, chromium, nickel or copper handles-and evenly adhere to one deck in the steel wire coating surface and contain molybdenum bond-contain molybdenum bond and form dry type film-steel wire at the steel wire coating surface and enter the compound angle drawing die-make to prolong and draw the back steel wire of going into.
This austenite stainless steel steel wire is handled through solutionizing earlier, reaches to be fit to predetermined application target, and steel wire can carry out the coat of metal epithelium of zinc-plated, chromium, nickel or copper easily and handle after solutionizing is handled, and also can directly be lubricated processing.
General steel are to adopt nonmetal epithelium to handle, and include processing modes such as lime epithelium, borax epithelium and resin involucra.The inventive method is then electroplated one deck nickel (Ni), chromium (Cr), copper (Cu) or zinc (Zn) on the austenite stainless steel steel wire, wherein zinc (Zn) and nickel (Ni) have the anti-erosion effect; Copper (Cu), nickel (Ni), chromium (Cr) have ornamental overcoat effect; Chromium (Cr) has the case hardness of increasing effect; More than each element be can be on demand and select to adopt.In addition, above-mentioned coat of metal epithelium is handled (for example increases corrosion resistance case hardness and tensile strength etc.) except the material characteristic that can increase steel wire, and makes steel wire more or less freely when stretching line (Wire drawing).
The austenite stainless steel steel wire is after above-mentioned coat of metal epithelium is handled, evenly adhere to one deck in the steel wire coating surface and contain the molybdenum bond, its adherence method comprises that modes such as adopting sprayed coating, dipping or brushing will contain the molybdenum bond evenly attached to the steel wire metal coating surface, and this contains the molybdenum bond and includes molybdenum bisuphide (MoS
2) 0.2～1.0%, silicone (Silicone) 1～3%, binding agent 2～8% and solvent 88～96%.
The above-mentioned molybdenum bond that contains gets final product nature bone dry, sclerosis under the room temperature situation, form dry type film, its thickness about 0.5 * 10 at the steel wire metal coating surface
-3During in, can make steel wire obtain the best effect of resistance to wearing.When bond is coated onto on the steel wire surface, this bond keeps suspended state because of being dissolved in the solvent, when coating is finished, then the effect because of binding agent can make lubricant be fixed on the steel wire surface, after treating its sclerosis, can make the steel wire metal coating surface be formed with one deck dry type film.
Wherein binding agent preferably uses poly-sulphur benzene or the polyamide-based material with low friction and higher wear resistance, and the solvent of selecting for use is a common solvent, is not described in detail in this.
This contains the molybdenum bond except that containing above composition, can also include 0.2～0.8% pigment and additive, wherein use different additives can control or strengthen specific coating performance, can change its abrasion character as adding calcium carbonate, tripoli, mica or graphite; Add integrality and wearability that monosilane can be promoted film; Add the erosion that corrosion inhibitor then can be resisted the number of chemical material.
This bond uses molybdenum bisuphide (MoS
2) have a following advantage:
1, its lamellar structure is ideal kollag.
2, coefficient of friction is low, is about about 0.03, and can prevents steel wire and compound wearing and tearing of going between the drawing die of angle effectively.
3, molybdenum bisuphide uses in the middle of can being suspended in fluid, also can be added in the lubricating grease and use, and make the contact-making surface of motion form solid film.
4, stand the above pressure of 500000Psi.
5, broad application temperature range, from-180 ℃ to+450 ℃, during anaerobic state, can be up to 1100 ℃.
6, can effectively use under extreme shock environment, be exposed in liquid state or the gaseous oxygen powerful attached work on the inside.
A kind of above-mentioned steel wire drawing die that is used to make provided by the invention with lubricating film layer, go into the angle drawing die for compound, it prolongs and draws back interruption-forming introducing port, inlet port and compression perforate are arranged, wherein inlet port and perforate are to pull out diameter as boundary, this is pulled out diameter and is arranged at nearly tapping, steel wire is done sectional area reduction and the increase of steel wire length by sizing area after introducing port is progressive to inlet port, make to prolong and draw the back steel wire.
The present invention preferably adopts a kind of as shown in Figure 3 compound to go into the angle drawing die, owing to adopt the epithelium processing of the coat of metal and contain the lubricated of molybdenum bond, steel wire enters this and compoundly goes into the angle drawing die when prolonging draw line (wiredrawing), about 70 ± 20 ℃ of the introducing port 1a of this mould and the opening angle of perforate 2a, wherein inlet port b and perforate 2a are to pull out diameter d as boundary, be arranged at nearly perforate 2a place and pull out diameter d, so steel wire is after introducing port 1a is progressive to inlet port b, by compression perforate α and sectional area reduction of sizing area β control steel wire and length increase, draw the back steel wire and make to prolong.
This compound about about 10 ° opening angle of compression perforate α of going into angle drawing die 2 among the figure, can reduce steel wire and compound coefficient of friction of going into angle drawing die 2, and saved the power consumption cost, increase the adhesion amount that contains the molybdenum bond on the steel wire surface, kept lubricant effect preferably, the manufacturer that postorder is manufactured can make the goods of more high-quality and best precision, improves production capacity, reduce fraction defective, so have industry and economic worth; In addition, going into angle drawing die 2 opening angles owing to this is compound inwardly reduces gradually, frictional heat energy is reduced, this compound compression of going into angle drawing die 2 can be strengthened, the steel wire sectional area is reduced, the surface metal plating layer attenuation, cost reduces relatively, and it is good that lubricant keeps effect, also can increase the service life of mould simultaneously.
According to the above description, manufacture method of the present invention and die device can make steel wire prolong when drawing coefficient of friction to reduce, and reduce the compound angle drawing die spoilage of going into; Again because of, mould and steel wire coefficient of friction are low, and contain the molybdenum bond and can be attached on the pore of steel wire surface, make steel wire have the perfect lubrication effect, improve the processing production capacity, reduce fraction defective.
The explanation of accompanying drawing drawing:
Figure 1 shows that traditional wire rod drawing die generalized section.
Figure 2 shows that steel wire of the present invention prolongs draws flow chart.
Figure 3 shows that the compound schematic diagram of going into the angle drawing die of the present invention.
Embodiment
The austenite stainless steel steel wire, its chemical composition that contains is (weight %): the carbon below 0.20% (C), 2.00% following silicon (Si), manganese below 2.00% (Mn), phosphorus below 0.040% (P), sulphur below 0.040% (S), 8%～22% nickel (Ni) and 17%～27% chromium (Cr), earlier steel wire being carried out solutionizing handles, appearance is electroplated one deck chromium layer epithelium then, adopt spraying to make it evenly to adhere to one deck at this metal coating surface and contain the molybdenum bond, the chemical composition that the molybdenum bond contains that contains of use is: solvent 92%, molybdenum bisuphide 0.5%, silicone 2%, poly-sulphur benzene binding agent 5%, pigment and an amount of monosilane 0.5%; Steel wire enters this and compoundly goes into the angle drawing die and prolong draw line (wire drawing), as shown in Figure 3, about 70 ± 20 ℃ of the introducing port 1a of this mould and the opening angle of perforate 2a, wherein inlet port b and perforate 2a are to pull out diameter d as boundary, be arranged at nearly perforate 2a place and pull out diameter d, steel wire by compression perforate α and sectional area reduction of sizing area β control steel wire and length increase, draws the back steel wire and make to prolong after introducing port 1a is progressive to inlet port b.
Claims (8)
1, a kind of technology for manufacturing steel wire with lubricating film layer is characterized in that using with the steel wire of austenite stainless steel as base material, and this austenite stainless steel steel wire contains chromium and the 8% above nickel more than 17% basically; Above-mentioned steel wire is handled through solutionizing, contain the molybdenum bond at its surperficial coated one deck then, this contains and includes molybdenum bisuphide 0.2～1.0%, silicone 1～3%, binding agent 2～8% and solvent 88～96% in the molybdenum bond, treat its dry sclerosis and after forming one deck dry type film, this steel wire is made required steel wire through drawing die.
2, the technology for manufacturing steel wire with lubricating film layer according to claim 1, it is characterized in that (the weight %) of the chemical composition that these austenite stainless steel steel contain: the carbon below 0.20%, 2.00% following silicon, the manganese below 2.00%, the phosphorus below 0.040%, the sulphur below 0.040%, 8%～22% nickel and 17%～27% chromium.
3, the technology for manufacturing steel wire with lubricating film layer according to claim 1 is characterized in that, this contains and also includes 0.2～0.8% pigment and additive in the molybdenum bond.
4, the technology for manufacturing steel wire with lubricating film layer according to claim 1 is characterized in that, the steel wire solutionizing can be plated layer of metal coating after handling on the steel wire surface.
5, the technology for manufacturing steel wire with lubricating film layer according to claim 4 is characterized in that, this coat of metal is meant electroplates one deck nickel, chromium, copper or zinc on steel wire.
6, a kind of drawing die that is used to make steel wire with lubricating film layer, it is characterized in that, this mould is the compound angle drawing die of going into, it prolongs and draws back interruption-forming introducing port, inlet port and compression perforate are arranged, wherein inlet port and perforate are to pull out diameter as boundary, and this is pulled out diameter and is arranged at nearly tapping.
7, a kind of drawing die that is used to make the steel wire with lubricating film layer according to claim 6 is characterized in that, 10 ° of the opening angles of 70 ° ± 20 ° of the introducing port of this mould and the opening angles of perforate, compression perforate.
8, the technology for manufacturing steel wire with lubricating film layer according to claim 1, it is characterized in that, contain the chemical composition that the molybdenum bond contains and be: solvent 92%, molybdenum bisuphide 0.5%, silicone 2%, poly-sulphur benzene binding agent 5%, pigment and additive 0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99100452A CN1092547C (en) | 1999-02-01 | 1999-02-01 | Technology for manufacturing steel wire with lubricating film layer and its drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99100452A CN1092547C (en) | 1999-02-01 | 1999-02-01 | Technology for manufacturing steel wire with lubricating film layer and its drawing die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1262153A CN1262153A (en) | 2000-08-09 |
| CN1092547C true CN1092547C (en) | 2002-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99100452A Expired - Fee Related CN1092547C (en) | 1999-02-01 | 1999-02-01 | Technology for manufacturing steel wire with lubricating film layer and its drawing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1092547C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10081911B2 (en) * | 2008-01-25 | 2018-09-25 | Kabushiki Kaisha Bridgestone | Method for manufacturing brass-plated steel wire and apparatus for drawing brass-plated steel wire |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073379A (en) * | 1992-03-30 | 1993-06-23 | 石家庄铝厂 | Drawing die of aluminium clad steel wire and lubricated |
-
1999
- 1999-02-01 CN CN99100452A patent/CN1092547C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073379A (en) * | 1992-03-30 | 1993-06-23 | 石家庄铝厂 | Drawing die of aluminium clad steel wire and lubricated |
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| Publication number | Publication date |
|---|---|
| CN1262153A (en) | 2000-08-09 |
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