CN110258146B - Preparation method of wear-resistant tensile steel wire rope - Google Patents
Preparation method of wear-resistant tensile steel wire rope Download PDFInfo
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- CN110258146B CN110258146B CN201910412206.8A CN201910412206A CN110258146B CN 110258146 B CN110258146 B CN 110258146B CN 201910412206 A CN201910412206 A CN 201910412206A CN 110258146 B CN110258146 B CN 110258146B
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
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- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
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- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
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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
- D07B1/005—Composite ropes, i.e. ropes built-up from fibrous or filamentary material and metal wires
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- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/104—Rope or cable structures twisted
- D07B2201/1052—Rope or cable structures twisted using lang lay, i.e. the wires or filaments being inclined relative to the rope axis
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- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/104—Rope or cable structures twisted
- D07B2201/1056—Rope or cable structures twisted using alternate lay, i.e. the wires or filaments in the strands being oppositely inclined relative to the rope axis
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- D07B2201/2001—Wires or filaments
- D07B2201/2009—Wires or filaments characterised by the materials used
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- D07B2205/3046—Steel characterised by the carbon content
- D07B2205/3057—Steel characterised by the carbon content having a high carbon content, e.g. greater than 0,8 percent respectively SHT or UHT wires
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Abstract
The invention mainly relates to the technical field of steel structure processing, and discloses a preparation method of a wear-resistant tensile steel wire rope, which comprises the following steps: (1) selecting raw materials; (2) removing rust on the surface; (3) preparing a carbon steel wire: hot galvanizing A, primary wire drawing B, heating C and secondary wire drawing D; (4) preparing an alloy steel wire: a, primary wire drawing, B heating, C secondary wire drawing and D hot aluminizing; (5) stranding: a inner layer steel wire and B outer layer steel wire; (6) rope combining; according to the preparation method of the wear-resistant tensile steel wire rope, the prepared steel wire rope is high in tensile strength, high in flexibility and wear resistance, capable of being widely used in different environments, simple and convenient to select, and capable of reducing the number of steel wire ropes in different environments; carbon steel and alloy steel are simultaneously selected as raw materials of the steel wire rope, so that the applicability of the steel wire rope to different environments is improved; after the raw materials are selected, the rust removing liquid is used for removing rust of the carbon steel and the alloy steel respectively, so that the post-treatment can be facilitated, and the damage to machinery is avoided.
Description
Technical Field
The invention mainly relates to the technical field of steel structure processing, in particular to a preparation method of a wear-resistant tensile steel wire rope.
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. In the material handling machinery, for promoting, drawing, straining and bearing the usefulness, wire rope's intensity is high, the dead weight is light, work is steady, difficult abrupt whole root rupture, reliable operation.
The steel wire material comprises carbon steel or alloy steel, and is formed by cold drawing or cold rolling, the cross section of the steel wire is round or special-shaped (T-shaped S-shaped Z-shaped), the steel wire has higher tensile strength and toughness, and the steel wire is subjected to appropriate surface treatment to meet the requirements of different use environment conditions; therefore, the existing steel wire rope is made of carbon steel or alloy steel, different steel wire ropes need to be selected according to different use environments, the use of the steel wire rope is limited to a certain extent, more types of steel wire ropes need to be provided for different use environments, and the selection is troublesome.
The prior patent document CN105219945A discloses a heat treatment method for a high-carbon steel wire for a steel wire rope, which is to perform induction heating, microwave heating, resistance furnace heating or electric contact heating on the high-carbon steel wire, and then to prepare the steel wire rope, wherein all the steel wires used in the patent document are carbon steel wires, and large gaps are formed between outer layer steel wires of the prepared steel wire rope, so that dust is easily accumulated in the using process, the corrosion and aging of the steel wire rope are accelerated, the wear resistance and tensile strength of the steel wire rope are influenced, and the application range of the steel wire rope is limited; patent document CN105537294A discloses an ultrahigh strength steel wire rope and a wire drawing method thereof, wherein carbon steel is drawn for three times, which can significantly improve the strength of the steel wire rope, but can significantly reduce the wear resistance and flexibility of the steel wire rope, and also limit the service environment of the steel wire rope.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a preparation method of a wear-resistant tensile steel wire rope.
A preparation method of a wear-resistant tensile steel wire rope comprises the following steps:
(1) selecting raw materials: qualified high-carbon steel and alloy steel are selected, the applicability of the steel wire rope to different environments is improved, and carbon steel to be treated and alloy steel to be treated are obtained;
(2) surface rust removal: placing the carbon steel to be treated and the alloy steel to be treated in a rust removing liquid, soaking for 40-50 min at 50-55 ℃, and then carrying out ultrasonic treatment for 30-35 min at 35-37 kHz, so that the post treatment can be facilitated, the damage to a treatment machine is avoided, and the rust removing carbon steel and the rust removing alloy steel are obtained;
(3) preparing a carbon steel wire:
a, hot galvanizing: carrying out high-temperature zinc bath on the derusting carbon steel at the temperature of 510-530 ℃ and the running speed of 33-34 m/min, and naturally cooling to obtain galvanized carbon steel;
b, primary wire drawing: carrying out primary wire drawing on the galvanized carbon steel, wherein the wire drawing speed is 5-6 m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the primary wire drawing carbon steel wire;
c, heating: heating the primary wire-drawing carbon steel wire to 410-470 ℃ at the speed of 2-3 ℃/min, preserving heat for 5-7 min, continuously raising the temperature to 830-850 ℃, preserving heat for 10-15 s, then placing the wire into a salt bath, carrying out isothermal preservation for 8-10 s in a salt bath at the temperature lower than the sorbitizing temperature, taking out the wire, and naturally cooling the wire to the room temperature to obtain the heated primary carbon steel wire;
d, secondary wire drawing: the method comprises the following steps of placing a heating primary carbon steel wire into a wire drawing machine, wherein the wire drawing speed is 3-4 m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, so that the obtained carbon steel wire has compact internal structure, uniform thickness, smoothness, fineness, high strength and strong wear resistance and tensile strength, and the secondary wire drawing carbon steel wire is obtained;
(4) preparing an alloy steel wire:
a, primary wire drawing: carrying out primary wire drawing on the alloy steel, wherein the wire drawing speed is 5-6 m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the once-drawn alloy steel wire;
b, heating: heating the primary wire drawing alloy steel wire to 530-560 ℃ at a speed of 2-3 ℃/min, preserving heat for 6-8 min, continuously raising the temperature to 1040-1090 ℃, preserving heat for 8-10 s, then placing the steel wire into a salt bath, carrying out isothermal preservation for 5-7 s in a salt bath at a sorbitizing temperature, taking out the steel wire, and naturally cooling the steel wire to room temperature to obtain the primary wire drawing alloy steel wire;
c, secondary wire drawing: the method comprises the following steps of placing a heated once-drawn alloy steel wire into a drawing machine, wherein the drawing speed is 3-4 m/s, the unit diameter is mm, and the drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, obtaining the secondary wire drawing alloy steel wire;
d, hot aluminizing: vacuum aluminizing is carried out on the secondary wire drawing alloy steel wire, the aluminizing thickness is 30-40 nm, and natural cooling is carried out, so that the flexibility, the wear resistance and the corrosion resistance of the steel wire can be improved, the applicability of the steel wire to different environments is improved, the service life of the steel wire is prolonged, and the aluminized steel wire is obtained;
(5) stranding:
a, inner layer steel wire: placing the secondary wire drawing carbon steel wires and the aluminum plating alloy steel wires in a stranding machine, and performing Z-shaped stranding on 1 secondary wire drawing carbon steel wire and 1 aluminum plating alloy steel wire to obtain inner layer steel wires;
b, outer layer steel wire: placing the secondary wire-drawing carbon steel wires and the aluminum-plated alloy steel wires in a stranding machine, and performing Z-shaped stranding on 2 secondary wire-drawing carbon steel wires and 1 aluminum-plated alloy steel wire, wherein the inner layer steel wire strand and the outer layer steel wire strand have different components, so that the tensile strength and the wear resistance of the steel wire rope can be improved, the applicable safety coefficient is high, and the outer layer steel wire is obtained;
(6) rope combination: use sisal hemp fibre as the rope core, evenly soak black oil grease, evenly carry out the syntropy with 2 inlayer steel wires around the rope core and twist with fingers, inlayer steel wire twists with fingers the system and accomplishes the back, carries out mutual twisting with 4 outer steel wires around the inlayer steel wire, when guaranteeing steel wire tensile strength, can improve the pliability and the wearability of steel wire, makes wire rope can be suitable for different service environment, increase of service life, must wear-resisting tensile wire rope.
The carbon steel in the step (1) is common carbon steel, and the carbon content is 0.97-1.32%.
The alloy steel in the step (1) comprises 3.13-3.21 wt% of silicon, 2.03-2.17 wt% of manganese, 1.73-1.97 wt% of boron, 1.65-1.77 wt% of titanium, 1.16-1.31 wt% of chromium, 0.95-1.02 wt% of nickel, 0.81-0.93 wt% of vanadium, 0.72-0.84 wt% of cobalt, 0.61-0.72 wt% of molybdenum, 0.36-0.49 wt% of zirconium and 0.16-0.23 wt% of niobium.
The rust removing liquid in the step (2) is prepared from the following raw materials in parts by weight: 25-27 parts of hydrochloric acid, 11-13 parts of acetic acid and 670-710 parts of water.
And (4) vacuum aluminum plating in the step (4), wherein the vacuum degree is-32 to-45 kPa.
The wear-resistant tensile steel wire rope prepared by the preparation method is provided.
The invention has the advantages that: the preparation method of the wear-resistant tensile steel wire rope is simple, the prepared steel wire rope is high in tensile strength, high in flexibility and wear resistance, capable of being widely used in different environments, capable of reducing selection of various steel wire ropes in different environments, simple and convenient; carbon steel and alloy steel are simultaneously selected as raw materials of the steel wire rope, so that the applicability of the steel wire rope to different environments is improved; after the raw materials are selected, the carbon steel and the alloy steel are respectively derusted by using a derusting liquid, so that the post-treatment can be facilitated, and the damage to a treatment machine is avoided; hot galvanizing, primary wire drawing, heating and secondary wire drawing are respectively carried out on the carbon steel, so that the obtained carbon steel wire has a compact internal structure, uniform thickness, smoothness, fineness, high strength and strong wear resistance and tensile resistance; the alloy steel is subjected to primary wire drawing, heating, secondary wire drawing and hot aluminizing in sequence, so that the flexibility, the wear resistance and the corrosion resistance of the steel wire can be improved, the applicability of the steel wire to different environments is improved, and the service life of the steel wire is prolonged; when stranding, 1 carbon steel wire and 1 alloy steel wire are stranded to serve as inner layer steel wires, and then 1 carbon steel wire and 1 alloy steel wire are stranded to serve as outer layer steel wires, wherein the inner layer steel wire and the outer layer steel wire are different in component, so that the tensile strength and the wear resistance of the steel wire rope can be improved, and the applicable safety factor is high; then carry out the syntropy with inlayer steel wire and twist with fingers, outer steel wire carries out alternately and twists with fingers, when guaranteeing steel wire tensile strength, can improve the pliability and the wearability of steel wire, makes wire rope can be suitable for different service environment, increase of service life.
Detailed Description
The invention is illustrated by the following specific examples.
Example 1
A preparation method of a wear-resistant tensile steel wire rope comprises the following steps:
(1) selecting raw materials: qualified high-carbon steel and alloy steel are selected, the applicability of the steel wire rope to different environments is improved, and carbon steel to be treated and alloy steel to be treated are obtained; the carbon steel is common carbon steel, and the carbon content is 0.97%; the alloy steel comprises 3.13 percent of silicon, 2.03 percent of manganese, 1.73 percent of boron, 1.65 percent of titanium, 1.16 percent of chromium, 0.95 percent of nickel, 0.81 percent of vanadium, 0.72 percent of cobalt, 0.61 percent of molybdenum, 0.36 percent of zirconium and 0.16 percent of niobium by weight percent;
(2) surface rust removal: placing the carbon steel and the alloy steel to be treated in a rust removing liquid, soaking for 40min at 50 ℃, and then carrying out ultrasonic treatment for 30min at 35kHz, so that the post-treatment can be facilitated, the damage to a treatment machine is avoided, and the rust removing carbon steel and the rust removing alloy steel are obtained; the rust removing liquid is prepared from the following raw materials in parts by weight: 25 parts of hydrochloric acid, 11 parts of acetic acid and 670 parts of water;
(3) preparing a carbon steel wire:
a, hot galvanizing: carrying out high-temperature zinc bath on the derusting carbon steel at 510 ℃ and the running speed of 33m/min, and naturally cooling to obtain galvanized carbon steel;
b, primary wire drawing: carrying out primary wire drawing on the galvanized carbon steel, wherein the wire drawing speed is 5m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the primary wire drawing carbon steel wire;
c, heating: heating the primary wire-drawing carbon steel wire to 410 ℃ at the speed of 2 ℃/min, preserving heat for 5min, continuously raising the temperature to 830 ℃, preserving heat for 10s, then placing the wire into a salt bath, keeping the temperature in the salt bath at the temperature lower than the sorbitizing temperature for 8s, taking out the wire, and naturally cooling the wire to the room temperature to obtain the heated primary carbon steel wire;
d, secondary wire drawing: the method comprises the following steps of placing a heating primary carbon steel wire into a wire drawing machine, wherein the wire drawing speed is 3m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, so that the obtained carbon steel wire has compact internal structure, uniform thickness, smoothness, fineness, high strength and strong wear resistance and tensile strength, and the secondary wire drawing carbon steel wire is obtained;
(4) preparing an alloy steel wire:
a, primary wire drawing: carrying out primary wire drawing on the alloy steel, wherein the wire drawing speed is 5m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the once-drawn alloy steel wire;
b, heating: heating the primary wire-drawing alloy steel wire to 530 ℃ at the speed of 2 ℃/min, preserving heat for 6min, continuously raising the temperature to 1040 ℃, preserving heat for 8s, then placing the steel wire into a salt bath, keeping the temperature in a salt bath at the sorbitizing temperature for 5s, taking out the steel wire, and naturally cooling the steel wire to the room temperature to obtain the primary wire-drawing alloy steel wire;
c, secondary wire drawing: the alloy steel wire which is heated once is placed in a wire drawing machine, the wire drawing speed is 3m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, obtaining the secondary wire drawing alloy steel wire;
d, hot aluminizing: vacuum aluminizing the secondary wire drawing alloy steel wire, wherein the vacuum degree is-32 kPa, the aluminizing thickness is 30nm, and natural cooling is performed, so that the flexibility, the wear resistance and the corrosion resistance of the steel wire can be improved, the applicability of the steel wire to different environments can be improved, the service life of the steel wire can be prolonged, and the aluminum alloy plated steel wire can be obtained;
(5) stranding:
a, inner layer steel wire: placing the secondary wire drawing carbon steel wires and the aluminum plating alloy steel wires in a stranding machine, and performing Z-shaped stranding on 1 secondary wire drawing carbon steel wire and 1 aluminum plating alloy steel wire to obtain inner layer steel wires;
b, outer layer steel wire: placing the secondary wire-drawing carbon steel wires and the aluminum-plated alloy steel wires in a stranding machine, and performing Z-shaped stranding on 2 secondary wire-drawing carbon steel wires and 1 aluminum-plated alloy steel wire, wherein the inner layer steel wire strand and the outer layer steel wire strand have different components, so that the tensile strength and the wear resistance of the steel wire rope can be improved, the applicable safety coefficient is high, and the outer layer steel wire is obtained;
(6) rope combination: use sisal hemp fibre as the rope core, evenly soak black oil grease, evenly carry out the syntropy with 2 inlayer steel wires around the rope core and twist with fingers, inlayer steel wire twists with fingers the system and accomplishes the back, carries out mutual twisting with 4 outer steel wires around the inlayer steel wire, when guaranteeing steel wire tensile strength, can improve the pliability and the wearability of steel wire, makes wire rope can be suitable for different service environment, increase of service life, must wear-resisting tensile wire rope.
The wear-resistant tensile steel wire rope prepared by the preparation method is provided.
Example 2
A preparation method of a wear-resistant tensile steel wire rope comprises the following steps:
(1) selecting raw materials: qualified high-carbon steel and alloy steel are selected, the applicability of the steel wire rope to different environments is improved, and carbon steel to be treated and alloy steel to be treated are obtained; the carbon steel is common carbon steel, and the carbon content is 1.18%; the alloy steel comprises 3.15 percent of silicon, 2.09 percent of manganese, 1.82 percent of boron, 1.69 percent of titanium, 1.21 percent of chromium, 0.98 percent of nickel, 0.86 percent of vanadium, 0.77 percent of cobalt, 0.65 percent of molybdenum, 0.41 percent of zirconium and 0.19 percent of niobium by weight percent;
(2) surface rust removal: placing the carbon steel and the alloy steel to be treated in a rust removing liquid, soaking for 45min at 53 ℃, and then carrying out ultrasonic treatment for 33min at 36kHz, so that the post-treatment can be facilitated, the damage to a treatment machine is avoided, and the rust removing carbon steel and the rust removing alloy steel are obtained; the rust removing liquid is prepared from the following raw materials in parts by weight: 26 parts of hydrochloric acid, 12 parts of acetic acid and 690 parts of water;
(3) preparing a carbon steel wire:
a, hot galvanizing: carrying out high-temperature zinc bath on the derusting carbon steel at the temperature of 520 ℃ and the running speed of 33m/min, and naturally cooling to obtain galvanized carbon steel;
b, primary wire drawing: carrying out primary wire drawing on the galvanized carbon steel, wherein the wire drawing speed is 6m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the primary wire drawing carbon steel wire;
c, heating: heating the primary wire-drawing carbon steel wire to 440 ℃ at the speed of 3 ℃/min, preserving heat for 6min, continuously raising the temperature to 840 ℃, preserving heat for 13s, then placing the wire into a salt bath, keeping the temperature in the salt bath at the temperature lower than the sorbitizing temperature for 9s in an isothermal way, taking out the wire, and naturally cooling the wire to the room temperature to obtain the heated primary carbon steel wire;
d, secondary wire drawing: the method comprises the following steps of placing a heating primary carbon steel wire into a wire drawing machine, wherein the wire drawing speed is 4m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, so that the obtained carbon steel wire has compact internal structure, uniform thickness, smoothness, fineness, high strength and strong wear resistance and tensile strength, and the secondary wire drawing carbon steel wire is obtained;
(4) preparing an alloy steel wire:
a, primary wire drawing: carrying out primary wire drawing on the alloy steel, wherein the wire drawing speed is 6m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the once-drawn alloy steel wire;
b, heating: heating the primary wire-drawing alloy steel wire to 550 ℃ at the speed of 3 ℃/min, preserving heat for 7min, continuously raising the temperature to 1050 ℃, preserving heat for 9s, then placing the steel wire into a salt bath, keeping the temperature in a salt bath at the sorbitizing temperature for 6s in an isothermal way, taking out the steel wire, and naturally cooling the steel wire to the room temperature to obtain the primary wire-drawing alloy steel wire;
c, secondary wire drawing: the alloy steel wire which is heated once is placed in a wire drawing machine, the wire drawing speed is 4m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, obtaining the secondary wire drawing alloy steel wire;
d, hot aluminizing: vacuum aluminizing the secondary wire-drawing alloy steel wire, wherein the vacuum degree is-37 kPa, the aluminizing thickness is 35nm, and natural cooling is performed, so that the flexibility, the wear resistance and the corrosion resistance of the steel wire can be improved, the applicability of the steel wire to different environments can be improved, the service life of the steel wire can be prolonged, and the aluminum alloy plated steel wire can be obtained;
(5) stranding:
a, inner layer steel wire: placing the secondary wire drawing carbon steel wires and the aluminum plating alloy steel wires in a stranding machine, and performing Z-shaped stranding on 1 secondary wire drawing carbon steel wire and 1 aluminum plating alloy steel wire to obtain inner layer steel wires;
b, outer layer steel wire: placing the secondary wire-drawing carbon steel wires and the aluminum-plated alloy steel wires in a stranding machine, and performing Z-shaped stranding on 2 secondary wire-drawing carbon steel wires and 1 aluminum-plated alloy steel wire, wherein the inner layer steel wire strand and the outer layer steel wire strand have different components, so that the tensile strength and the wear resistance of the steel wire rope can be improved, the applicable safety coefficient is high, and the outer layer steel wire is obtained;
(6) rope combination: use sisal hemp fibre as the rope core, evenly soak black oil grease, evenly carry out the syntropy with 2 inlayer steel wires around the rope core and twist with fingers, inlayer steel wire twists with fingers the system and accomplishes the back, carries out mutual twisting with 4 outer steel wires around the inlayer steel wire, when guaranteeing steel wire tensile strength, can improve the pliability and the wearability of steel wire, makes wire rope can be suitable for different service environment, increase of service life, must wear-resisting tensile wire rope.
The wear-resistant tensile steel wire rope prepared by the preparation method is provided.
Example 3
A preparation method of a wear-resistant tensile steel wire rope comprises the following steps:
(1) selecting raw materials: qualified high-carbon steel and alloy steel are selected, the applicability of the steel wire rope to different environments is improved, and carbon steel to be treated and alloy steel to be treated are obtained; the carbon steel is common carbon steel, and the carbon content is 1.32%; the alloy steel comprises 3.21 percent of silicon, 2.17 percent of manganese, 1.97 percent of boron, 1.77 percent of titanium, 1.31 percent of chromium, 1.02 percent of nickel, 0.93 percent of vanadium, 0.84 percent of cobalt, 0.72 percent of molybdenum, 0.49 percent of zirconium and 0.23 percent of niobium by weight percent;
(2) surface rust removal: placing the carbon steel and the alloy steel to be treated in a rust removing liquid, soaking for 50min at 55 ℃, and then carrying out ultrasonic treatment for 35min at 37kHz, so that the post-treatment can be facilitated, the damage to a treatment machine is avoided, and the rust removing carbon steel and the rust removing alloy steel are obtained; the rust removing liquid is prepared from the following raw materials in parts by weight: hydrochloric acid 27, acetic acid 13, water 710;
(3) preparing a carbon steel wire:
a, hot galvanizing: carrying out high-temperature zinc bath on the derusting carbon steel at 530 ℃, and naturally cooling the derusting carbon steel at the running speed of 34m/min to obtain galvanized carbon steel;
b, primary wire drawing: carrying out primary wire drawing on the galvanized carbon steel, wherein the wire drawing speed is 6m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the primary wire drawing carbon steel wire;
c, heating: heating the primary wire-drawing carbon steel wire to 470 ℃ at the speed of 3 ℃/min, preserving heat for 7min, continuously raising the temperature to 850 ℃, preserving heat for 15s, then placing the wire into a salt bath, keeping the temperature in the salt bath at the temperature lower than the sorbitizing temperature for 10s in an isothermal way, taking out the wire, and naturally cooling the wire to the room temperature to obtain the heated primary carbon steel wire;
d, secondary wire drawing: the method comprises the following steps of placing a heating primary carbon steel wire into a wire drawing machine, wherein the wire drawing speed is 4m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, so that the obtained carbon steel wire has compact internal structure, uniform thickness, smoothness, fineness, high strength and strong wear resistance and tensile strength, and the secondary wire drawing carbon steel wire is obtained;
(4) preparing an alloy steel wire:
a, primary wire drawing: carrying out primary wire drawing on the alloy steel, wherein the wire drawing speed is 6m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the once-drawn alloy steel wire;
b, heating: heating the primary wire-drawing alloy steel wire to 560 ℃ at the speed of 3 ℃/min, preserving heat for 8min, continuously raising the temperature to 1090 ℃, preserving heat for 10s, then placing the steel wire into a salt bath, keeping the temperature in a salt bath at the sorbitizing temperature for 7s in an isothermal way, taking out the steel wire, and naturally cooling the steel wire to the room temperature to obtain the primary wire-drawing alloy steel wire;
c, secondary wire drawing: the alloy steel wire which is heated once is placed in a wire drawing machine, the wire drawing speed is 4m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, obtaining the secondary wire drawing alloy steel wire;
d, hot aluminizing: vacuum aluminum plating is carried out on the secondary wire drawing alloy steel wire, the vacuum degree is minus 32 to minus 45kPa, the aluminum plating thickness is 40nm, and natural cooling is carried out, so that the flexibility, the wear resistance and the corrosion resistance of the steel wire can be improved, the applicability of the steel wire to different environments is improved, the service life of the steel wire is prolonged, and the aluminum alloy plated steel wire is obtained;
(5) stranding:
a, inner layer steel wire: placing the secondary wire drawing carbon steel wires and the aluminum plating alloy steel wires in a stranding machine, and performing Z-shaped stranding on 1 secondary wire drawing carbon steel wire and 1 aluminum plating alloy steel wire to obtain inner layer steel wires;
b, outer layer steel wire: placing the secondary wire-drawing carbon steel wires and the aluminum-plated alloy steel wires in a stranding machine, and performing Z-shaped stranding on 2 secondary wire-drawing carbon steel wires and 1 aluminum-plated alloy steel wire, wherein the inner layer steel wire strand and the outer layer steel wire strand have different components, so that the tensile strength and the wear resistance of the steel wire rope can be improved, the applicable safety coefficient is high, and the outer layer steel wire is obtained;
(6) rope combination: use sisal hemp fibre as the rope core, evenly soak black oil grease, evenly carry out the syntropy with 2 inlayer steel wires around the rope core and twist with fingers, inlayer steel wire twists with fingers the system and accomplishes the back, carries out mutual twisting with 4 outer steel wires around the inlayer steel wire, when guaranteeing steel wire tensile strength, can improve the pliability and the wearability of steel wire, makes wire rope can be suitable for different service environment, increase of service life, must wear-resisting tensile wire rope.
The wear-resistant tensile steel wire rope prepared by the preparation method is provided.
Comparative example 1
The alloy steel in step (1) was removed, and the same procedure as in example 1 was repeated.
Comparative example 2
The step (4) is removed, and the alloy steel is prepared into a steel wire according to the method in the step (3), and the rest of the method is the same as the method in the example 1.
Comparative example 3
The outer layer steel wire in the step (5) is removed, and the other method is the same as that of the example 1.
Comparative example 4
The same twisting direction was used for all steps (6), and the other steps were carried out in the same manner as in example 1.
Comparative example 5
The prior patent document CN105219945A discloses a heat treatment method of high-carbon steel wire for steel wire rope.
Comparative example 6
The prior patent document CN105537294A discloses an ultra-high strength steel wire rope and a wire drawing method thereof.
Performance parameters of the steel cords of the examples and comparative examples:
the steel wire ropes of the examples and the comparative examples were selected respectively, the performance parameters were tested according to the method of patent document CN105537294A, and the abrasion resistance was tested by using an M L-10 abrasive wear tester, and the performance parameters of the steel wire ropes of the examples and the comparative examples are shown in table 1.
Table 1: performance parameters of example and comparative steel wire ropes
The results in table 1 show that the average value of the steel wire strength of the wear-resistant tensile steel wire rope prepared by the preparation method of the wear-resistant tensile steel wire rope in the embodiment is obviously stronger than that of the comparative example, the breaking force of the steel wire rope is obviously larger than that of the comparative example, and the abrasion loss is small, which indicates that the preparation method of the wear-resistant tensile steel wire rope provided by the invention has a good preparation effect.
Claims (6)
1. A preparation method of a wear-resistant tensile steel wire rope is characterized by comprising the following steps:
(1) selecting raw materials: selecting qualified high-carbon steel and alloy steel to obtain carbon steel to be treated and alloy steel to be treated;
(2) surface rust removal: placing the carbon steel to be treated and the alloy steel to be treated in a rust removing liquid, soaking for 40-50 min at 50-55 ℃, and then carrying out ultrasonic treatment for 30-35 min at 35-37 kHz to obtain the rust removing carbon steel and the rust removing alloy steel;
(3) preparing a carbon steel wire:
a, hot galvanizing: carrying out high-temperature zinc bath on the derusting carbon steel at the temperature of 510-530 ℃ and the running speed of 33-34 m/min, and naturally cooling to obtain galvanized carbon steel;
b, primary wire drawing: carrying out primary wire drawing on the galvanized carbon steel, wherein the wire drawing speed is 5-6 m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the primary wire drawing carbon steel wire;
c, heating: heating the primary wire-drawing carbon steel wire to 410-470 ℃ at the speed of 2-3 ℃/min, preserving heat for 5-7 min, continuously raising the temperature to 830-850 ℃, preserving heat for 10-15 s, then placing the wire into a salt bath, carrying out isothermal preservation for 8-10 s in a salt bath at the temperature lower than the sorbitizing temperature, taking out the wire, and naturally cooling the wire to the room temperature to obtain the heated primary carbon steel wire;
d, secondary wire drawing: the method comprises the following steps of placing a heating primary carbon steel wire into a wire drawing machine, wherein the wire drawing speed is 3-4 m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, obtaining the secondary wire drawing carbon steel wire;
(4) preparing an alloy steel wire:
a, primary wire drawing: carrying out primary wire drawing on the alloy steel, wherein the wire drawing speed is 5-6 m/s, the unit diameter is mm, and the wire drawing process comprises the following steps: 5.50 → 4.48 → 4.02 → 3.70, obtaining the once-drawn alloy steel wire;
b, heating: heating the primary wire drawing alloy steel wire to 530-560 ℃ at a speed of 2-3 ℃/min, preserving heat for 6-8 min, continuously raising the temperature to 1040-1090 ℃, preserving heat for 8-10 s, then placing the steel wire into a salt bath, carrying out isothermal preservation for 5-7 s in a salt bath at a sorbitizing temperature, taking out the steel wire, and naturally cooling the steel wire to room temperature to obtain the primary wire drawing alloy steel wire;
c, secondary wire drawing: the method comprises the following steps of placing a heated once-drawn alloy steel wire into a drawing machine, wherein the drawing speed is 3-4 m/s, the unit diameter is mm, and the drawing process comprises the following steps: 3.70 → 3.68 → 3.39 → 3.16 → 2.96 → 2.80, obtaining the secondary wire drawing alloy steel wire;
d, hot aluminizing: carrying out vacuum aluminizing on the secondary wire drawing alloy steel wire, wherein the aluminizing thickness is 30-40 nm, and naturally cooling to obtain an aluminized steel wire;
(5) stranding:
a, inner layer steel wire: placing the secondary wire drawing carbon steel wires and the aluminum plating alloy steel wires in a stranding machine, and performing Z-shaped stranding on 1 secondary wire drawing carbon steel wire and 1 aluminum plating alloy steel wire to obtain inner layer steel wires;
b, outer layer steel wire: placing the secondary wire drawing carbon steel wires and the aluminum plating alloy steel wires in a stranding machine, and performing Z-shaped stranding on 2 secondary wire drawing carbon steel wires and 1 aluminum plating alloy steel wire to obtain outer layer steel wires;
(6) rope combination: taking sisal fiber as a rope core, uniformly soaking black oil grease, uniformly twisting 2 inner-layer steel wires around the rope core in the same direction, and after twisting the inner-layer steel wires, interactively twisting 4 outer-layer steel wires around the inner-layer steel wires to obtain the wear-resistant tensile steel wire rope.
2. The preparation method of the wear-resistant tensile steel wire rope according to claim 1, wherein the carbon steel in the step (1) is common carbon steel, and the carbon content is 0.97-1.32%.
3. The method for preparing the wear-resistant tensile steel wire rope according to claim 1, wherein the alloy steel in the step (1) comprises 3.13-3.21 wt% of silicon, 2.03-2.17 wt% of manganese, 1.73-1.97 wt% of boron, 1.65-1.77 wt% of titanium, 1.16-1.31 wt% of chromium, 0.95-1.02 wt% of nickel, 0.81-0.93 wt% of vanadium, 0.72-0.84 wt% of cobalt, 0.61-0.72 wt% of molybdenum, 0.36-0.49 wt% of zirconium and 0.16-0.23 wt% of niobium.
4. The preparation method of the wear-resistant tensile steel wire rope according to claim 1, wherein the rust removing liquid in the step (2) is prepared from the following raw materials in parts by weight: 25-27 parts of hydrochloric acid, 11-13 parts of acetic acid and 670-710 parts of water.
5. The method for preparing the wear-resistant tensile steel wire rope according to claim 1, wherein the vacuum aluminizing in the step (4) is carried out in a vacuum degree of-32 to-45 kPa.
6. A wear-resistant tensile steel wire rope prepared by the preparation method of the wear-resistant tensile steel wire rope according to any one of claims 1 to 5.
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