CN117961085A - Manufacturing process of lightweight steel wire rope adopting 3D printing mode - Google Patents
Manufacturing process of lightweight steel wire rope adopting 3D printing mode Download PDFInfo
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- CN117961085A CN117961085A CN202410382654.9A CN202410382654A CN117961085A CN 117961085 A CN117961085 A CN 117961085A CN 202410382654 A CN202410382654 A CN 202410382654A CN 117961085 A CN117961085 A CN 117961085A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 109
- 239000010959 steel Substances 0.000 title claims abstract description 109
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000010146 3D printing Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000002086 nanomaterial Substances 0.000 claims abstract description 11
- 230000007797 corrosion Effects 0.000 claims abstract description 7
- 238000005260 corrosion Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 20
- 238000000137 annealing Methods 0.000 claims description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 17
- 238000005496 tempering Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 9
- 238000007639 printing Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The manufacturing process of the light-weight steel wire rope adopts a 3D printing mode, and the nano materials are mixed into the metal materials to form the base wire, so that the overall weight of the steel wire rope can be reduced, and the bearing strength of the steel wire rope can be improved; in addition, can directly make wire rope through the mode of 3D printing, compare with traditional stranded mode of twisting, the cost of manufacture is lower, finally combines heat treatment and corrosion-resistant coating to let the structural strength of wire rope body higher and have corrosion-resistant characteristic.
Description
Technical Field
The invention relates to the technical field of steel wire ropes, in particular to a manufacturing process of a lightweight steel wire rope adopting a 3D printing mode.
Background
As is known, a wire rope is a metal product with high strength and high toughness, and is widely applied to the crane hoisting industry; in recent years, with the development of science and technology, the application range of the crane is wider and wider, the cantilever crane used in a small range is more popular with users, and the cantilever crane occupies a small area, but sometimes has heavy object carrying work, so the requirement on the performance of the steel wire rope is higher, and the steel wire rope with high breakage and light weight is paid attention to gradually;
The traditional steel wire rope is generally formed by twisting a plurality of alloy ropes into a whole through a rope twisting machine, wherein the bearing capacity of the steel wire rope is in direct proportion to the number of the alloy ropes, but the weight of the steel wire rope is increased after the number of the alloy ropes is increased, so that the whole weight of a winding drum is increased, and then the other end of a crane is required to be increased with a larger counterweight to maintain balance, so that the miniaturization of a cantilever crane is affected; in addition, the steel wire rope formed by twisting the alloy rope has low softness, poor bearing capacity and poor tightening capability when hoisting some flexible articles;
Chinese patent (BN 105887525A) discloses a carbon fiber core steel wire rope, and the flexibility and toughness of the steel wire rope can be obviously improved by adopting a carbon fiber core and a carbon fiber tow core of an outer layer strand, the weight of the steel wire rope is also greatly reduced, and the service life of the steel wire rope is long; however, the carbon fiber has high cost and is not suitable for being used on a small crane;
Therefore, in view of the above, there is a need in the market for a steel wire rope that is lightweight, low in cost, and strong in load bearing capacity.
Disclosure of Invention
In order to overcome the defects in the background technology, the invention discloses a manufacturing process of a lightweight steel wire rope adopting a 3D printing mode.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
A light-weight steel wire rope manufacturing process adopting a 3D printing mode,
The method comprises the following specific steps:
step 1: mixing 5-7% of nano material, 65-68% of iron, 18-19.5% of chromium and 8.3-9.5% of nickel, then smelting at high temperature together with a dispersing agent, extruding through an extruder, and cooling to finally form a base wire;
Step 2: placing the base wire and the aluminum alloy wire into a metal 3D printer as printing materials;
Step 3: printing out a steel wire rope by using a fusion extrusion molding technology of a 3D printer, wherein the steel wire rope is of a two-layer cylindrical structure, an inner layer rope core is formed by a basic wire, and an outer layer rope skin is formed by an aluminum alloy wire;
Step 4: cleaning and polishing the surface of the steel wire rope, and then performing heat treatment on the steel wire rope;
Step 5: and coating a layer of corrosion-resistant coating on the surface of the steel wire rope after heat treatment.
Preferably, the nanomaterial is graphene or carbon nanotube.
Preferably, the 3D printer used in the step 3 includes a printer body, an extrusion nozzle, a transition pipe, a frame body and a wire winding mechanism, wherein the printer body is capable of melting the base wire and the aluminum alloy wire; the extrusion nozzle consists of an inner nozzle and an outer nozzle, wherein the outer nozzle is sleeved outside the inner nozzle, the inner nozzle is used for extruding a base material, the outer nozzle is used for extruding an aluminum alloy material, and the discharge end of the inner nozzle is higher than the discharge end of the outer nozzle; the transition pipe is correspondingly matched and connected with the discharge end of the outer nozzle, materials are cooled and formed in the transition pipe, and the wire winding mechanism is used for winding and collecting the cooled and formed steel wire ropes.
Preferably, the wire winding mechanism comprises a partition plate, a positioning wheel set, a guide part and a winding drum, wherein the partition plate is positioned below the transition pipe, and a through hole for a steel wire rope to pass through is formed in the partition plate; the positioning wheel set consists of two symmetrical rollers, the two rollers are arranged on the top surface of the partition plate, and the outer edge surfaces of the two rollers are correspondingly abutted against the wire rope body output by the transition pipe; the bottom surface of baffle is equipped with the guide part that guide wire rope was rolled by a rolling section of thick bamboo.
Preferably, the guiding component is composed of two symmetrical clamping units, each clamping unit comprises a fixing rod, a spring, a probe rod, a pressing block and a rolling ball, wherein the tail end of each fixing rod is arranged on the bottom surface of the partition plate, the head end of each fixing rod is provided with a bottom block, the probe rod is vertically arranged on each bottom block, and the spring is sleeved outside each probe rod; the tail end of the pressing block is provided with a countersunk head groove for placing the spring, the countersunk head part of the countersunk head groove is correspondingly matched with the bottom block, the spring is placed in the groove of the countersunk head groove, and the head end face of the pressing block is provided with a plurality of rolling balls.
Preferably, the heat treatment method in the step4 is as follows:
a. Placing the manufactured steel wire rope into an annealing furnace, wherein the annealing temperature is 800-950 ℃;
b. After the temperature is maintained for 80-100min, the annealing furnace is closed, and the steel wire rope is naturally cooled;
c. when the steel wire rope is cooled to 630-720 ℃, immersing the steel wire rope in a quenching medium for 10min;
d. Placing the quenched steel wire rope into a tempering furnace, wherein the tempering temperature is 280-300 ℃ and the tempering time is 40-60min;
e. and closing the tempering furnace after tempering, and finishing the heat treatment of the steel wire rope after the steel wire rope is cooled to normal temperature.
Preferably, the change relation of the current temperature of the annealing furnace along with the heating time t of the annealing furnace is as follows:
；
wherein A is the thermal efficiency coefficient of the steel wire rope, T is the current temperature of the annealing furnace, and K is the thermal conduction constant of the steel wire rope.
Preferably, the coating in the step 5 is a galvanized coating, and is completed by using a magnetron sputtering technology.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the manufacturing process of the light-weight steel wire rope adopting the 3D printing mode, the nano material is mixed into the metal material to form the base wire, so that the overall weight of the steel wire rope can be reduced, and the bearing strength of the steel wire rope can be improved; in addition, can directly make wire rope through the mode of 3D printing, compare with traditional stranded mode of twisting, the cost of manufacture is lower.
Drawings
FIG. 1 is a schematic diagram of a 3D printer according to the present invention;
fig. 2 is an enlarged schematic view of the structure of the portion a in fig. 1.
In the figure: 1. a printer body; 2. an extrusion nozzle; 201. an inner nozzle; 202. an outer mouth; 3. a transition pipe; 4. a frame body; 5. a wire winding mechanism; 501. a partition plate; 502. positioning wheel sets; 503. a guide member; 5031. a fixed rod; 5032. a bottom block; 5033. a probe rod; 5034. a spring; 5035. briquetting; 50351. a countersunk groove; 5036. a rolling ball; 504. winding up a winding drum; 6. a wire rope.
Detailed Description
In the description, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., the drawings merely correspond to the drawings of the present invention, and in order to facilitate description of the present invention, it is not indicated or implied that the device or element referred to must have a specific azimuth:
a process for manufacturing a lightweight steel wire rope by adopting a 3D printing mode is described with reference to figures 1-2,
The method comprises the following specific steps:
step 1: mixing 5-7% of nano material, 65-68% of iron, 18-19.5% of chromium and 8.3-9.5% of nickel, then smelting at high temperature together with a dispersing agent, extruding through an extruder and cooling to finally form a base wire, and mixing the nano material into a metal material to form the base wire, so that the overall weight of the steel wire rope 6 can be reduced, and the bearing strength of the steel wire rope 6 can be improved; in particular, the nanomaterial is graphene or carbon nanotubes;
Step 2: placing the base wire and the aluminum alloy wire into a metal 3D printer as printing materials;
Step 3: the steel wire rope 6 is printed by using a fusion extrusion molding technology of a 3D printer, wherein the steel wire rope 6 is of a two-layer cylindrical structure, an inner layer rope core is formed by a base wire, an outer layer rope skin is formed by an aluminum alloy wire, the steel wire rope 6 can be directly manufactured in a 3D printing mode, and compared with a traditional multi-strand screwing mode, the steel wire rope 6 has lower manufacturing cost;
Step 4: cleaning and polishing the surface of the steel wire rope 6, and then performing heat treatment on the steel wire rope 6, so that the strength and durability of the steel wire rope 6 can be ensured;
step 5: the surface of the steel wire rope 6 after heat treatment is coated with a layer of corrosion-resistant coating, so that the body of the steel wire rope 6 can be effectively protected; in particular, the coating in the step 5 is a galvanized coating and is completed by adopting a magnetron sputtering technology.
Example 1 is: the 3D printer used in the step 3 comprises a printer body 1, an extrusion nozzle 2, a transition pipe 3, a frame body 4 and a wire winding mechanism 5, wherein the printer body 1 can melt a base wire and an aluminum alloy wire; the extrusion nozzle 2 is composed of an inner nozzle 201 and an outer nozzle 202, wherein the outer nozzle 202 is sleeved outside the inner nozzle 201, the inner nozzle 201 is used for extruding a base material, the outer nozzle 202 is used for extruding an aluminum alloy material, and the discharge end of the inner nozzle 201 is higher than the discharge end of the outer nozzle 202, so that the base material is extruded from the inner nozzle 201 and is positioned at the hollow position of the transition pipe 3, gradually moves downwards, the extruded aluminum alloy material in the outer nozzle 202 is annular and flows into the transition pipe 3 along a gap between the outer nozzle 202 and the inner nozzle 201, so that the aluminum alloy material coats the central base material, and the steel wire rope 6 in a cylindrical structure of an inner layer and an outer layer is formed because the material is not cooled and solidified at the moment; the transition pipe 3 is correspondingly matched and connected with the discharge end of the outer nozzle 202, materials are cooled and formed in the transition pipe 3, the steel wire rope 6 blank is gradually cooled to become a steel wire rope 6 body in the process of moving in the transition pipe 3 under the influence of gravity, and the wire winding mechanism 5 is used for winding and collecting the cooled and formed steel wire rope 6;
In addition, the wire winding mechanism 5 comprises a partition plate 501, a positioning wheel group 502, a guiding component 503 and a winding drum 504, wherein the partition plate 501 is positioned below the transition pipe 3, and a through hole for a steel wire rope 6 to pass through is formed in the partition plate 501; the positioning wheel set 502 consists of two symmetrical rollers, the two rollers are arranged on the top surface of the partition plate 501, and the outer edge surfaces of the two rollers are correspondingly abutted against the rope body of the steel wire rope 6 output by the transition pipe 3; the bottom surface of the separator 501 is provided with a guiding component 503 for guiding the steel wire rope 6 to be wound by a winding drum 504, wherein the positioning wheel group 502 can primarily guide the steel wire rope 6 to be output from the transition pipe 3, the guiding component 503 secondarily guides the steel wire rope 6, so that the steel wire rope 6 is more smooth when being fed into the winding mechanism, and the condition that the steel wire rope 6 can not swing in the winding process can be avoided due to the fact that the steel wire rope 6 is required to gradually change the relative level of the winding position in the winding process;
According to the need, the guiding component 503 is composed of two symmetrical clamping units, the clamping units comprise a fixing rod 5031, a spring 5034, a probe rod 5033, a pressing block 5035 and a rolling ball 5036, wherein the tail end of the fixing rod 5031 is arranged on the bottom surface of the partition plate 501, a bottom block 5032 is arranged at the head end of the fixing rod 5031, the probe rod 5033 is vertically arranged on the bottom block 5032, and the spring 5034 is sleeved outside the probe rod 5033; the tail end of the pressing block 5035 is provided with a countersunk head groove 50351 for placing the spring 5034, wherein the countersunk head part of the countersunk head groove 50351 is correspondingly matched with the bottom block 5032, the groove part of the countersunk head groove 50351 is used for placing the spring 5034, the head end surface of the pressing block 5035 is provided with a plurality of rolling balls 5036, the two pressing blocks 5035 can correspondingly clamp the steel wire rope 6 through the acting force of the spring 5034, the relative position of the steel wire rope 6 on the horizontal plane is fixed, and the rolling balls 5036 can smoothly move the steel wire rope 6 to the winding mechanism.
Example 2: the heat treatment process in the step 4 is as follows:
a. placing the manufactured steel wire rope 6 in an annealing furnace, wherein the annealing temperature is 800-950 ℃, and the heat in the annealing furnace slowly rises along with the time change, so that the steel wire rope 6 has a sufficient preheating space;
b. After the temperature is maintained for 80-100min, the crystal structure is changed, and the annealing furnace is closed to naturally cool the steel wire rope 6;
c. Immersing the wire rope 6 in a quenching medium for 10min when the wire rope 6 is cooled to 630-720 ℃, wherein the quenching medium can be water, oil or polymer salt solution;
d. placing the quenched steel wire rope 6 into a tempering furnace, wherein the tempering temperature is 280-300 ℃ and the tempering time is 40-60min;
e. and closing the tempering furnace after tempering is finished, and finishing the heat treatment of the steel wire rope 6 after the steel wire rope 6 is cooled to normal temperature.
In addition, the change relation of the current temperature of the annealing furnace along with the heating time t of the annealing furnace is as follows:
；
Wherein A is the thermal efficiency coefficient of the steel wire rope 6, T is the current temperature of the annealing furnace, and K is the thermal conduction constant of the steel wire rope 6.
Example 3:
One embodiment of the wire rope manufacturing process is as follows:
Step 1: mixing 5% of nano material, 66.5% of iron, 19% of chromium and 9.5% of nickel, smelting at high temperature together with a dispersing agent, extruding through an extruder, and cooling to finally form a base wire;
Step 2: placing the base wire and the aluminum alloy wire into a metal 3D printer as printing materials;
step 3: printing out the steel wire rope 6 by using a fusion extrusion molding technology of a 3D printer, wherein the steel wire rope 6 is of a two-layer cylindrical structure, an inner layer rope core is formed by a base wire, and an outer layer rope skin is formed by an aluminum alloy wire;
Step 4: cleaning and polishing the surface of the steel wire rope 6, and then performing heat treatment on the steel wire rope 6;
Step 5: and coating a corrosion-resistant coating on the surface of the steel wire rope 6 after heat treatment.
Example 4:
the second embodiment of the wire rope manufacturing process is as follows:
Step 1: mixing 7% of nano material, 65% of iron, 19% of chromium and 9% of nickel, then smelting at high temperature together with a dispersing agent, extruding through an extruder, and cooling to finally form a base wire;
Step 2: placing the base wire and the aluminum alloy wire into a metal 3D printer as printing materials;
step 3: printing out the steel wire rope 6 by using a fusion extrusion molding technology of a 3D printer, wherein the steel wire rope 6 is of a two-layer cylindrical structure, an inner layer rope core is formed by a base wire, and an outer layer rope skin is formed by an aluminum alloy wire;
Step 4: cleaning and polishing the surface of the steel wire rope 6, and then performing heat treatment on the steel wire rope 6;
Step 5: and coating a corrosion-resistant coating on the surface of the steel wire rope 6 after heat treatment.
The invention has not been described in detail in the prior art, and it is apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. A lightweight steel wire rope manufacturing process adopting a 3D printing mode is characterized in that:
the method comprises the following specific steps:
step 1: mixing 5-7% of nano material, 65-68% of iron, 18-19.5% of chromium and 8.3-9.5% of nickel, then smelting at high temperature together with a dispersing agent, extruding through an extruder, and cooling to finally form a base wire;
Step 2: placing the base wire and the aluminum alloy wire into a metal 3D printer as printing materials;
Step 3: printing out a steel wire rope (6) by using a fusion extrusion molding technology of a 3D printer, wherein the steel wire rope (6) is of a two-layer cylindrical structure, an inner layer rope core is formed by a basic wire, and an outer layer rope skin is formed by an aluminum alloy wire;
step 4: cleaning and polishing the surface of the steel wire rope (6), and then performing heat treatment on the steel wire rope (6);
Step 5: and coating a corrosion-resistant coating on the surface of the steel wire rope (6) after heat treatment.
2. The process for manufacturing the lightweight steel wire rope by adopting the 3D printing mode as claimed in claim 1, wherein the process comprises the following steps of: the nano material is graphene or carbon nano tube.
3. The process for manufacturing the lightweight steel wire rope by adopting the 3D printing mode as claimed in claim 1, wherein the process comprises the following steps of: the 3D printer used in the step 3 comprises a printer body (1), an extrusion nozzle (2), a transition pipe (3), a frame body (4) and a wire collecting mechanism (5), wherein the printer body (1) can melt a base wire and an aluminum alloy wire; the extrusion nozzle (2) is composed of an inner nozzle (201) and an outer nozzle (202), wherein the outer nozzle (202) is sleeved outside the inner nozzle (201), the inner nozzle (201) is used for extruding a base material, the outer nozzle (202) is used for extruding an aluminum alloy material, and the discharge end of the inner nozzle (201) is higher than the discharge end of the outer nozzle (202); the transition pipe (3) is correspondingly matched and connected with the discharge end of the outer nozzle (202), materials are cooled and formed in the transition pipe (3), and the wire winding mechanism (5) is used for winding and collecting the cooled and formed steel wire ropes (6).
4. A process for manufacturing a lightweight steel wire rope by adopting a 3D printing mode as claimed in claim 3, wherein the process comprises the following steps: the wire winding mechanism (5) comprises a partition plate (501), a positioning wheel set (502), a guide part (503) and a winding drum (504), wherein the partition plate (501) is positioned below the transition pipe (3), and a through hole for a steel wire rope (6) to pass through is formed in the partition plate (501); the positioning wheel set (502) consists of two symmetrical rollers, the two rollers are arranged on the top surface of the partition plate (501), and the outer edge surfaces of the two rollers are correspondingly abutted against the rope body of the steel wire rope (6) output by the transition pipe (3); the bottom surface of the partition plate (501) is provided with a guide component (503) for guiding the steel wire rope (6) to be wound by a winding drum (504).
5. The process for manufacturing the lightweight steel wire rope by adopting the 3D printing mode as claimed in claim 4, which is characterized in that: the guide component (503) is composed of two symmetrical clamping units, each clamping unit comprises a fixing rod (5031), a probe rod (5033), a spring (5034), a pressing block (5035) and a rolling ball (5036), the tail end of the fixing rod (5031) is arranged on the bottom surface of the partition plate (501), a bottom block (5032) is arranged at the head end of the fixing rod (5031), the probe rod (5033) is vertically arranged on the bottom block (5032), and the spring (5034) is sleeved outside the probe rod (5033); the tail end of the pressing block (5035) is provided with a countersunk head groove (50351) for placing a spring (5034), the countersunk head part of the countersunk head groove (50351) is correspondingly matched with the bottom block (5032), the groove part of the countersunk head groove (50351) is used for placing the spring (5034), and the head end surface of the pressing block (5035) is provided with a plurality of rolling balls (5036).
6. The process for manufacturing the lightweight steel wire rope by adopting the 3D printing mode as claimed in claim 1, wherein the process comprises the following steps of: the heat treatment method in the step 4 is as follows:
a. Placing the manufactured steel wire rope (6) in an annealing furnace, wherein the annealing temperature is 800-950 ℃;
b. after the temperature is maintained for 80-100min, the annealing furnace is closed, and the steel wire rope (6) is naturally cooled;
c. When the steel wire rope (6) is cooled to 630-720 ℃, immersing the steel wire rope (6) in a quenching medium for 10min;
d. Placing the quenched steel wire rope (6) into a tempering furnace, wherein the tempering temperature is 280-300 ℃ and the tempering time is 40-60min;
e. And closing the tempering furnace after tempering, and finishing the heat treatment of the steel wire rope (6) after the steel wire rope (6) is cooled to normal temperature.
7. The process for manufacturing the lightweight steel wire rope by adopting the 3D printing mode as claimed in claim 6, wherein the process is characterized in that: the change relation of the current temperature of the annealing furnace along with the heating time t of the annealing furnace is as follows:
；
wherein A is the thermal efficiency coefficient of the steel wire rope (6), T is the current temperature of the annealing furnace, and K is the thermal conduction constant of the steel wire rope (6).
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| CN116926400A (en) * | 2023-06-07 | 2023-10-24 | 江苏精研科技股份有限公司 | Alloy powder for preparing carbon nano tube reinforced high-strength steel composite part and preparation method thereof |
| CN117622992A (en) * | 2024-01-10 | 2024-03-01 | 济宁市海富电子科技有限公司 | Wire winding mechanism |
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| CN219238877U (en) * | 2022-12-20 | 2023-06-23 | 荣兴(太仓)钢丝绳有限公司 | Coiling mechanism is used in hot-galvanize wire rope processing |
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