CN110485184B - Galvanized steel wire rope production process - Google Patents
Galvanized steel wire rope production process Download PDFInfo
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- CN110485184B CN110485184B CN201910622595.7A CN201910622595A CN110485184B CN 110485184 B CN110485184 B CN 110485184B CN 201910622595 A CN201910622595 A CN 201910622595A CN 110485184 B CN110485184 B CN 110485184B
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- Prior art keywords
- steel wire
- diameter
- twisting
- wire rope
- wire
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Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
- D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration
- D07B1/068—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a rope configuration characterised by the strand design
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1028—Rope or cable structures characterised by the number of strands
- D07B2201/1032—Rope or cable structures characterised by the number of strands three to eight strands respectively forming a single layer
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/104—Rope or cable structures twisted
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/2006—Wires or filaments characterised by a value or range of the dimension given
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/201—Wires or filaments characterised by a coating
- D07B2201/2011—Wires or filaments characterised by a coating comprising metals
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/202—Strands characterised by a value or range of the dimension given
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2015—Strands
- D07B2201/2024—Strands twisted
- D07B2201/2025—Strands twisted characterised by a value or range of the pitch parameter given
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3025—Steel
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3071—Zinc (Zn)
Abstract
The invention provides a galvanized steel wire rope production process, which comprises the following steps: selecting high-quality wire rods, and pretreating the wire rods; wire matching of the steel wire rope; stranding; and (6) combining the ropes. The production efficiency of the galvanized steel wire product is greatly improved by using the double twister for production, the product appearance, the straightness, the residual torsion and the loose ends are well controlled, and the product quality is optimized and improved.
Description
Technical Field
The invention relates to the technical field of steel wire rope manufacturing, in particular to a galvanized steel wire rope production process.
Background
The steel wire rope is a spiral steel wire bundle formed by twisting steel wires with mechanical property and geometric dimension meeting requirements together according to a certain rule, and consists of the steel wires, a rope core and lubricating grease. The steel wire rope is a spiral rope which is formed by twisting a plurality of layers of steel wires into strands, and then twisting a certain number of strands by taking a rope core as a center. At present, galvanized steel wire rope products are all manufactured by a single twisting machine and a pipe machine, the speed is slow, and the efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a galvanized steel wire rope production process which is high in speed and efficiency, relatively compact in twisting quality, and good in appearance quality flatness and the like of the obtained steel wire rope.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a galvanized steel wire rope production process comprises the following steps:
1) selecting high-quality wire rods, and pretreating the wire rods: drawing the wire rod by using a wire drawing machine to obtain steel wires with the same specification; hot galvanizing the steel wire; drawing the hot-galvanized steel wire by 25 passes through a water tank again at a low compression ratio;
2) wire matching of the steel wire rope: the steel wire rope wire matching technological parameters are as follows: 0.13/0.15 mm;
3) stranding: using a steel wire with the diameter of 0.17mm as a central wire and a steel wire with the diameter of 0.15mm as an outer wrapping wire, twisting 6 steel wires with the diameter of 0.15mm and 1 steel wire with the diameter of 0.17mm into a central strand with the diameter of 0.49mm by using a stranding double twisting machine with a six-shaft machine type inside, wherein the twisting distance is 10.2 mm; twisting the central strand and 12 steel wires with the diameter of 0.15mm into a core strand with the diameter of 0.786mm by a 12+1 paying-off shaft table of a double-twisting machine, wherein the twisting pitch is 7.8 mm; twisting 1 steel wire of 0.15mm and 6 steel wires of 0.13mm into a steel wire rope with the diameter of 0.403mm, wherein the twisting distance is 4.2 mm;
4) rope combination: 8 steel wire ropes of 0.403mm and 1 steel wire rope of 0.786mm in diameter were twisted into a steel wire rope of 1.5mm in diameter using a multi-axis lay-out type double twister, the breaking force was 2647, the breaking force elongation was 3.44, the linear density was 9.187, and the weight of the zinc-plated layer was 2.15g/m2。
The further improvement is that in the step 3) and the step 4), ATC is adopted to control the residual torsion of the central strand and the surface strand, a TAS straightener is adopted to control the surface twist and the straightness of the strand, and the vehicle speed is 3500 r/min.
The further improvement is that the inner diameter of a straightening wheel of the TAS straightener is 8-10 times of the strand diameter, the length of the straightener is 23-25 times of the inner diameter of the wheel, the distance between the wheels is 1.7 times of the lay length, and the pressing amount is 1.7 times of the rope diameter.
The further improvement is that the multi-shaft external double-twisting machine in the step 4) adopts an eight-shaft deformer, and the speed of the machine is 2000 r/min.
Compared with the prior art, the galvanized steel wire product production process has the advantages that the production efficiency of the galvanized steel wire product is greatly improved by using the double twister, the product appearance, the flatness, the residual torsion and the loose ends are well controlled, and the product quality is optimized and improved.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be described in further detail with reference to examples.
Example one
A galvanized steel wire rope production process comprises the following steps:
1) selecting high-quality wire rods, and pretreating the wire rods: drawing the wire rod by using a wire drawing machine to obtain steel wires with the same specification; hot galvanizing the steel wire; drawing the hot-galvanized steel wire by 25 passes through a water tank again at a low compression ratio;
2) wire matching of the steel wire rope: the steel wire rope wire matching technological parameters are as follows: 0.13/0.15 mm; the steel wire parameters are shown in the following table:
3) stranding: using a steel wire with the diameter of 0.17mm as a central wire and a steel wire with the diameter of 0.15mm as an outer wrapping wire, twisting 6 steel wires with the diameter of 0.15mm and 1 steel wire with the diameter of 0.17mm into a central strand with the diameter of 0.49mm by using a stranding double twisting machine with a six-shaft machine type inside, wherein the twisting distance is 10.2 mm; twisting the central strand and 12 steel wires with the diameter of 0.15mm into a core strand with the diameter of 0.786mm by a 12+1 paying-off shaft table of a double-twisting machine, wherein the twisting pitch is 7.8 mm; twisting 1 steel wire of 0.15mm and 6 steel wires of 0.13mm into a steel wire rope with the diameter of 0.403mm, wherein the twisting distance is 4.2 mm;
4) rope combination: using a multi-shaft external-laying type double-twisting machine to twist 8 pieces of 0.403mmThe steel wire rope and 1 steel wire rope with the diameter of 0.786mm are twisted into a steel wire rope with the diameter of 1.5mm, the breaking force is 2647, the breaking force elongation is 3.44, the linear density is 9.187, and the weight of a zinc coating is 2.15g/m2。
The parameters of the strands obtained in step 3) and step 4) are shown in the following table:
in the step 2) and the step 3), ATC is adopted to control the residual torsion of the central strand and the surface strand, a TAS straightener is adopted to control the surface twisting and the straightness of the strand, and the vehicle speed is 3500 r/min.
The inner diameter of a straightening wheel of the TAS straightener is 8-10 times of the strand diameter, the length of the straightener is 23-25 times of the inner diameter of the wheel, the distance between the wheels is 1.7 times of the lay length, and the pressing amount is 1.7 times of the rope diameter.
The multi-shaft external-put type double-twisting machine in the step 4) adopts an eight-shaft deformer, and the speed of the machine is 2000 r/min.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention in any way, so that any person skilled in the art can make changes or modifications to the equivalent embodiments using the above disclosure. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention, without departing from the technical solution of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (4)
1. A galvanized steel wire rope production process is characterized by comprising the following steps:
1) selecting high-quality wire rods, and pretreating the wire rods: drawing the wire rod by using a wire drawing machine to obtain steel wires with the same specification; hot galvanizing the steel wire; drawing the hot-galvanized steel wire by 25 passes through a water tank again at a low compression ratio;
2) wire matching of the steel wire rope: the steel wire rope wire matching technological parameters are as follows: 0.13/0.15 mm;
3) stranding: using a steel wire with the diameter of 0.17mm as a central wire and a steel wire with the diameter of 0.15mm as an outer wrapping wire, twisting 6 steel wires with the diameter of 0.15mm and 1 steel wire with the diameter of 0.17mm into a central strand with the diameter of 0.49mm by using a stranding double twisting machine with a six-shaft machine type inside, wherein the twisting distance is 10.2 mm; twisting the central strand and 12 steel wires with the diameter of 0.15mm into a core strand with the diameter of 0.786mm by a 12+1 paying-off shaft table of a double-twisting machine, wherein the twisting pitch is 7.8 mm; twisting 1 steel wire of 0.15mm and 6 steel wires of 0.13mm into a steel wire rope with the diameter of 0.403mm, wherein the twisting distance is 4.2 mm;
4) rope combination: 8 steel wire ropes with the diameter of 0.403mm and 1 steel wire rope with the diameter of 0.786mm are twisted into a steel wire rope with the diameter of 1.5mm by using a multi-shaft external double twisting machine, the breaking force is 2647N, the breaking force elongation is 3.44%, the linear density is 9.187g/m, and the weight of a zinc coating is 2.15g/m2。
2. A process for producing a galvanized steel wire rope according to claim 1, characterized in that in the steps 2) and 3), the ATC is used to control the residual torsion of the central strand and the face strand, and the TAS straightener is used to control the surface twist and the straightness of the strands, and the vehicle speed is 3500 r/min.
3. The galvanized steel wire rope production process according to claim 2, characterized in that the inner diameter of a straightening wheel of the TAS straightener is 8-10 times of the strand diameter, the length of the straightener is 23-25 times of the inner diameter of the wheel, the distance between the wheels is 1.7 times of the lay length, and the pressing amount is 1.7 times of the rope diameter.
4. The galvanized steel wire rope production process according to claim 1, characterized in that the multi-shaft external double twister in the step 4) adopts an eight-shaft deformer, and the vehicle speed is 2000 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622595.7A CN110485184B (en) | 2019-07-11 | 2019-07-11 | Galvanized steel wire rope production process |
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| CN201910622595.7A CN110485184B (en) | 2019-07-11 | 2019-07-11 | Galvanized steel wire rope production process |
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| CN110485184B true CN110485184B (en) | 2021-08-10 |
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| CN113430693B (en) * | 2021-06-24 | 2023-09-22 | 张家港市骏马钢帘线有限公司 | Preparation method of double-twist galvanized steel cord |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3391530A (en) * | 1966-09-29 | 1968-07-09 | Cf & I Steel Corp | Wire rope |
| CN103243595A (en) * | 2013-05-20 | 2013-08-14 | 天津高盛钢丝绳有限公司 | Method for twisting steel wire rope |
| CN103469656A (en) * | 2013-08-16 | 2013-12-25 | 江阴市新天金属制品有限公司 | Double-twisting technology of steel wire rope |
| CN103643572B (en) * | 2013-11-21 | 2016-01-06 | 江苏天舜金属材料集团有限公司 | A kind of manufacture method of heat treatment prestress wire |
| CN104562815B (en) * | 2015-01-09 | 2016-08-31 | 江苏亚盛金属制品有限公司 | A kind of railway is by the compound production method leaching blue or green steel wire rope |
| CN107675534A (en) * | 2017-11-23 | 2018-02-09 | 江阴市灵达机械制造有限公司 | The production technology of stainless steel wire rope |
| CN108978288A (en) * | 2018-10-19 | 2018-12-11 | 江苏恒亿能金属科技有限公司 | Galvanized steel wire rope processing technology |
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