CN114446539B - Wire single-wire preparation mechanism and preparation method thereof - Google Patents
Wire single-wire preparation mechanism and preparation method thereof Download PDFInfo
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- CN114446539B CN114446539B CN202111578691.XA CN202111578691A CN114446539B CN 114446539 B CN114446539 B CN 114446539B CN 202111578691 A CN202111578691 A CN 202111578691A CN 114446539 B CN114446539 B CN 114446539B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 146
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000013013 elastic material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000004323 axial length Effects 0.000 abstract description 3
- 239000013078 crystal Substances 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001803 electron scattering Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F7/00—Twisting wire; Twisting wire together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention provides a wire single-wire preparation mechanism and a preparation method thereof, wherein the mechanism comprises an input end radial positioning mechanism and an output end radial positioning mechanism which are respectively arranged at two ends of a wire single wire; the input end radial positioning mechanism is fixedly connected with the fixing piece, and the output end radial positioning mechanism is fixedly connected with one end of the rotating box through the connecting piece; the other end of the rotating box is connected with the driving mechanism through a connecting bearing; the rotating box takes a single wire of a wire as an axis and rotates along a preset direction. According to the wire single-wire preparation mechanism provided by the invention, one end of the wire single wire is fixed, the rotating box rotating clockwise and anticlockwise drives the other end of the wire single wire to twist along the shaft of the input end radial fixing mechanism, so that the twisting processing of the wire single wire is realized, the obtained product has mechanical strength equivalent to that of the existing axial drawing single wire, the axial length of a wire crystal grain is controlled, and meanwhile, the shearing strain radial gradient is introduced, so that the conductivity of the prepared twisted wire single wire is superior to that of the wire single wire drawn axially.
Description
Technical Field
The invention relates to a wire preparation mechanism, in particular to a wire single-wire preparation mechanism and a preparation method thereof.
Background
The single wire is a core component of the power transmission line, the mechanical strength of the single wire is related to the safety of the power transmission line, the conductivity of the single wire is directly related to the loss of electric energy, and the single wire with high strength and good conductivity is the development direction of the safety and low consumption of the power transmission line.
In the industry, the wire single wire preparation technology which is put into use is a multi-pass reciprocating drawing technology, and dislocation inside a single wire is continuously proliferated in the multi-pass drawing deformation process, so that the strength of the single wire is improved; however, the proliferation of dislocation aggravates the electron scattering probability in the transmission process, reduces the electron transport efficiency, and loses part of conductivity.
Disclosure of Invention
The invention aims to maintain the excellent mechanical strength of the existing single wire of the lead and improve the conductivity of the lead; the technical means is that torsional deformation is applied to the wire single wire, so that a radial gradient microscopic microstructure is introduced into the wire single wire, and the conductivity of the wire single wire is improved while the strength is maintained.
In the improvement of a wire single wire preparation mechanism,
the input end radial positioning mechanisms 4 and the output end radial positioning mechanisms 5 are respectively arranged at two ends of the single wire of the lead; the input end radial positioning mechanism 4 is fixedly connected with the fixing piece, and the output end radial positioning mechanism 5 is fixedly connected with one end of the rotating box 7; the other end of the rotating box 7 is connected with a driving mechanism 9 through a connecting bearing 8;
the rotating box 7 takes a single wire of a wire as an axis and rotates along a preset direction.
Preferably, the rotating box 7 is a strip rotating box; the cross section of the material is polygonal or circular; an output rotating wheel 6 is arranged in the wire winding machine, and the output rotating wheel 6 is used for winding the wire.
Preferably, the single wire of the wire at the feeding end of the input end radial positioning mechanism 4 is input from the input rotating wheel 2 rotating clockwise through the guide wheel 3.
Preferably, the input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 are both in a strip shape, the cross section of the strip-shaped radial positioning mechanism is circular or polygonal, and the length of the strip-shaped structure is 15-50 mm.
Preferably, the input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 each include a pressure applying member located on a longitudinally upper side of the wire single line and a supporting member located on a longitudinally lower side of the wire single line;
the contact surfaces of the pressure applying piece and the supporting piece are elastic material layers for adjusting the radial force;
the support piece comprises an elastic material layer and a support layer positioned on the lower side of the elastic material layer, wherein grooves matched with the single wires of the lead are longitudinally formed in the support layer, and the support layer is made of hard materials.
Preferably, the guide wheel 3 is respectively arranged between the input end radial positioning mechanism 4 and the input rotating wheel 2 and between the output end radial positioning mechanism 5 and the output rotating wheel 6.
Preferably, the guide wheel 3 includes:
the rotating wheels are respectively arranged at the upper and lower sides of the single wire longitudinal direction of the input end radial positioning mechanism 4 and the discharge end of the output end radial positioning mechanism 5;
wherein, the rotation directions of the rotating wheels at the upper side and the lower side are different.
Preferably, in the rotating wheels on the upper side and the lower side:
the rotation direction of the rotating wheel on the upper side is opposite to the input rotating wheel 2 and the output rotating wheel 6;
the rotation direction of the rotating wheel at the lower side is the same as the input rotating wheel 2 and the output rotating wheel 6.
Preferably, the output shafts of the driving mechanisms for driving the input rotating wheel 2 and the output rotating wheel 6 are respectively vertically perpendicular to the single wire of the wire.
Preferably, the input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 are respectively provided with a radial force adjusting mechanism for adjusting the radial force application of the single wire of the lead.
In a method for preparing a wire strand by twisting the wire strand with the wire strand preparation mechanism described above, the improvement comprising:
the two ends of the wire single line are respectively fixed by the input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 fixedly connected with the rotating box 7;
and under the rotation of the rotating box 7, the single wire of the wire at one end of the input end radial positioning mechanism 4 is twisted along the shaft, so that the single wire of the wire is twisted.
Preferably, the rotation of the rotation box 7 includes:
after rotating in the counterclockwise direction, the motor rotates clockwise again; or alternatively
After rotating clockwise, rotating counterclockwise again;
the number of turns of the clockwise rotation and the counter-clockwise rotation are equal.
Compared with the traditional single-wire axial drawing mechanism of the lead, the invention has the advantages that:
1. according to the technical scheme provided by the invention, one end of the wire is fixed by the input end radial positioning mechanism, the other end of the wire is fixed by the output end radial positioning mechanism which can rotate clockwise or counterclockwise in the direction perpendicular to the axis of the wire, and the rotating box is sequentially twisted in the clockwise direction and the counterclockwise direction after the output end radial positioning mechanism which can rotate clockwise or counterclockwise in the direction perpendicular to the axis of the wire is fixed ， The torsion processing of the wire single wire is realized, and the obtained torsion wire single wire still maintains the same excellent mechanical strength performance as the axial drawing wire single wire;
2. according to the technical scheme provided by the invention, the axial length of the crystal grains in the wire single line is controlled by applying axial torsional deformation to one end of the wire single line which is radially fixed and the other end of the wire single line, and meanwhile, the shearing strain radial gradient is led into the wire single line, so that the conductivity of the wire single line which is axially torsional deformed is obviously higher than that of the wire single line which is axially drawn.
Drawings
FIG. 1 is a schematic diagram of a single wire preparation mechanism of the present invention;
FIG. 2 is an enlarged view of a longitudinal section of the rotating case;
wherein:
an initial wire single line area 1-1, a wire single line torsion deformation area 1-2, a wire single line final product area 1-3, a wire single line initial single line 1, a torsion deformation wire single line 1-4 and a final torsion wire single line 1-5;
the device comprises an input rotating wheel 2, a guide wheel 3, an input end radial positioning mechanism 4, an output end radial positioning mechanism 5, an output rotating wheel 6, a rotating box 7, a connecting bearing 8 and a driving mechanism 9.
Detailed Description
The wire single wire preparation mechanism and the preparation method provided by the invention are described in detail below with reference to fig. 1.
In the present specification, the terms "input" and "output" are in terms of the direction in which the initial wire-single 1 passes through the initial wire-single region 1-1, the wire-single torsional deformation region 1-2, and the wire-single final product region 1-3 in the order of the left-to-right longitudinal direction shown in fig. 1.
In one embodiment of the present invention, in the longitudinal direction from the initial wire area 1-1 to the final wire area 1-3 shown in fig. 1, an input end radial positioning mechanism 4 and an output end radial positioning mechanism 5 are disposed, where the input end radial positioning mechanism 4 is fixed by a fixing member (not shown in the drawing), one end of a rotating box 7 rotating clockwise and counterclockwise in the axial direction is fixedly connected to the output end radial positioning mechanism 5 by a connecting member, the other end of the rotating box 7 is coaxially connected to a driving mechanism 9 by a connecting bearing 8, the output end radial positioning mechanism 5 at the left end of the rotating box 7 drives the wire single wire fixed to the input end radial positioning mechanism 4 to rotate clockwise along the axial direction of the wire single wire driven by the driving mechanism 9, so that the rotating box 7 is driven by the driving mechanism 9 to twist clockwise in the axial direction of the wire single wire fixed to the input end radial positioning mechanism 4 and the output end radial positioning mechanism 5, and the rotating counter clockwise in the same direction is performed in view of the wire single wire rotation, and the rotating speed is further realized.
In one embodiment of the present invention, as shown in fig. 1, the rotating box 7 is connected to the right end driving mechanism 9 through the connecting bearing 8, and then rotates clockwise and counterclockwise along the connecting bearing 8 under the driving of the driving mechanism 9. The rotary box 7 is provided therein with a supporting mechanism (not shown in the drawings) supporting the output rotary wheel 6. The diameter of the vertical direction of the end face with the circular cross section at the left end of the cylindrical box body is provided with a fixed connecting piece connected with the output end radial positioning mechanism 5.
The single wire preparation mechanism provided by the invention is provided with a support frame, and the support frame comprises a support mechanism or/and a fixing piece which are respectively used for supporting or/and fixing the input rotating wheel 2, the guide wheel 3, the input end radial positioning mechanism 4, the output end radial positioning mechanism 5, the output rotating wheel 6, the rotating box 7, the connecting bearing 8 and the driving mechanism 9, wherein the support mechanism is the prior art. Wherein the fixing parts for fixing the input end radial positioning mechanism 4, the output end radial positioning mechanism 5, the output rotating wheel 6, the rotating box 7, the connecting bearing 8 and the driving mechanism 9 are all in the prior art.
The input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 are both fixing mechanisms with the same structure and the same radial fixing structure for the wire single wire, but have different functions, the input end radial positioning mechanism 4 at the left end of the attached figure 1 is a positioning mechanism which is fixed in the torsion processing period, the output end radial positioning mechanism 5 is fixed at the left end of the rotating box 7 and is a rotatable radial positioning mechanism, namely a positioning mechanism which rotates along with the rotating box 7 when the wire single wire is twisted to drive the wire single wire of the input end radial positioning mechanism 4 to twist clockwise or anticlockwise at the axis of the wire single wire so as to realize torsion deformation.
Fig. 2 is an enlarged view of a longitudinal sectional view of the rotary case of the present invention, in which a stage is shown in which the wire is wound around the output rotary wheel 6 after the wire is passed through the end of the torsionally deformed wire 1-4 of the torsionally deformed region 1-2 of the wire, which is guided by the guide wheel 3 consisting of rotary wheels on the upper and lower sides of the wire, which is fixed by the output radial positioning mechanism 5 on the left end of the rotary case 7.
In one embodiment of the present invention, the input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 are respectively bar-shaped positioning mechanisms with a cross section of 15 mm-50 mm long and a cylindrical shape (not shown in the drawing) or a polygonal shape (not shown in the drawing).
In the technical scheme of the application, the input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 which are coaxially arranged by the wire single wire preparation mechanism are arranged; the input end radial positioning mechanism 4 is fixedly connected with the fixing piece, and the output end radial positioning mechanism 5 can be fixedly connected with one end of the rotating box 7 which rotates clockwise and anticlockwise through the connecting piece; the other end of the rotating box 7 is connected with the driving mechanism through a connecting bearing 8.
The rotating box is a strip-shaped rotating mechanism; the cross section of the material is polygonal or circular; the output rotating wheel 6 which winds the single wire of the wire is arranged in the guide rail.
The single wire of the feeding end radial positioning mechanism 4 is input from the clockwise rotating input rotating wheel 2 after passing through the guide wheel 3.
The input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 are respectively bar-shaped positioning mechanisms with the cross sections of 15-50 mm and cylindrical or polygonal.
The radial positioning mechanism comprises a longitudinal upper side pressure applying piece of the wire single wire and a supporting piece at the lower side of the longitudinal upper side pressure applying piece; the contact surfaces of the two are elastic material layers for adjusting the radial force;
the supporting layer for supporting the elastic material layer is a hard material layer longitudinally provided with grooves matched with the single wires of the conducting wires.
Guide wheels 3 composed of rotating wheels are respectively arranged on the upper and lower longitudinal sides of the single wire of the lead between the input rotating wheel 2 and the input end radial positioning mechanism 4 and between the output end radial positioning mechanism 5 and the output rotating wheel 6.
The single wire guide wheel 3 comprises rotating wheels arranged at the upper side and the lower side of the single wire of the wire at the feeding end of the input end radial positioning mechanism 4 and the output end of the output end radial positioning mechanism 5, the rotating direction of one of the rotating wheels at the upper side and the lower side is the same as that of the input rotating wheel 2 and the output rotating wheel 6, and the rotating direction of the rotating wheel at the other side is opposite to that of the rotating wheel at the other side.
The input rotating wheel 2 and the output rotating wheel 6 are respectively perpendicular to the longitudinal driving mechanism of the single wire of the lead with the output shaft.
The input end radial positioning mechanism 4 and the output end radial positioning mechanism 5 are respectively provided with a radial force adjusting mechanism for adjusting the radial force application of the single wire of the lead.
When the wire single line is twisted, under the force of the radial force adjusting mechanism, a pressure applying part (not shown in the figure) applies pressure to the wire single line positioned on the supporting part so as to fix the wire single line to be twisted; when the operation of twisting the single wire of the wire is finished, the radial force adjusting mechanism releases the force application, so that the feeding or discharging of the single wire of the wire is realized.
As shown in fig. 1, before the twisting process, during the period that the radial force adjusting mechanism does not apply pressure to the input/output positioning mechanism when the wire is initially fed, one end of the wire is fixed to the input rotating wheel 2 rotating in a clockwise direction, and the other end of the wire is sequentially guided by the guide wheel 3 (shown in fig. 1) consisting of rotating wheels positioned at the upper and lower longitudinal sides of the wire and rotating in different rotating directions, and the input radial positioning mechanism 4 and the output radial positioning mechanism 5 are fixed to the output rotating wheel 6 having the same rotating direction as the input rotating wheel 2 after the guide wheel 3 consisting of rotating wheels positioned at the upper and lower longitudinal sides of the wire as shown in fig. 1.
The term "different rotation directions" refers to a guide wheel group composed of rotation wheels on the upper side and the lower side of the longitudinal direction of the wire single line, and when the wire single line moves rightwards during two different periods of initial wire single line and final twisted wire single line, a guide force for rightwards movement of the wire single line can be formed. Specifically, in the rotating wheels on the upper side and the lower side:
the rotation direction of the upper guide wheel is opposite to that of the input rotating wheel 2 and the output rotating wheel 6; the rotation direction of the lower guide wheel is the same as the input rotation wheel 2 and the output rotation wheel 6. Or (b)
The rotation direction of the guide wheel forming the upper side is opposite to that of the input rotation wheel 2 and the output rotation wheel 6;
the rotation direction of the lower guide wheel is the same as the input rotation wheel 2 and the output rotation wheel 6.
When the wire single line is twisted, the force adjusting mechanisms (not shown in the figure) of the input end radial positioning mechanism and the output end radial positioning mechanism apply pressure to the input end and the output end of the wire single line positioned on the supporting piece through the pressure applying piece respectively, so that the input end and the output end of the wire single line to be twisted are radially fixed, the driving mechanism 9 at the right end of the rotating box 7 is started, the rotating box 7 is driven by the driving mechanism 9 to rotate clockwise and then counter-clockwise or rotate counter-clockwise and then clockwise, and the whole process for preparing the wire single line can be realized by twisting the wire single line.
The driving mechanism 9 in one embodiment of the invention is a motor, and the single wire of the lead with the length exceeding 1 km in gradient structure can be continuously manufactured by adjusting the rotation speed of the motor and controlling the number of turns of the motor rotating clockwise and anticlockwise; according to the technical scheme provided by the invention, the shear strain gradient of 0.01 to 100 per meter and the deformation rate of 0.05 to 2m/s can be obtained.
The invention also provides a wire single wire torsion preparation method, which comprises the following steps: the two ends of the wire single line are respectively fixed by an input end radial positioning mechanism 4 and an output end radial positioning mechanism 5, the output end radial positioning mechanism 5 is fixed on a rotating box 7 which can rotate clockwise or anticlockwise in the direction perpendicular to the axis of the wire single line, and then the rotating box 7 rotates clockwise and anticlockwise to twist the wire single line, so that the axial length of crystal grains in the wire single line is controlled, meanwhile, a shearing strain radial gradient is introduced into the wire single line, and the excellent effect that the conductivity of the wire single line is obviously higher than that of the axially drawn wire single line is obtained through axial torsion deformation of the wire single line.
The number of turns of the rotating box in the clockwise direction and the counter-clockwise direction are equal.
The rotating direction of the rotating box 7 rotates clockwise after rotating counterclockwise; or rotates clockwise and then counter-clockwise.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made thereto by those of ordinary skill in the art without departing from the spirit of the invention and the scope of the appended claims.
Claims (6)
1. A wire single-wire preparation mechanism is characterized in that,
the input end radial positioning mechanisms (4) and the output end radial positioning mechanisms (5) are respectively arranged at two ends of the single wire of the lead; the input end radial positioning mechanism (4) is fixedly connected with the fixing piece, and the output end radial positioning mechanism (5) is fixedly connected with one end of the rotating box (7) through the connecting piece; the other end of the rotating box (7) is connected with a driving mechanism (9) through a connecting bearing (8);
the rotating box (7) takes a single wire of a wire as an axis and rotates along a preset direction;
the rotating box (7) is a strip-shaped rotating box; the cross section of the material is polygonal or circular; an output rotating wheel (6) is arranged in the wire winding device, and the output rotating wheel (6) is used for winding the single wire of the wire;
the single wire of the wire at the feeding end of the input end radial positioning mechanism (4) is input from an input rotating wheel (2) rotating clockwise after passing through a guide wheel (3);
the guide wheels (3) are respectively arranged between the input end radial positioning mechanism (4) and the input rotating wheel (2) and between the output end radial positioning mechanism (5) and the output rotating wheel (6);
the input end radial positioning mechanism (4) and the output end radial positioning mechanism (5) comprise a pressure applying part positioned on the upper side of the single wire of the wire and a supporting part positioned on the lower side of the single wire of the wire;
the contact surfaces of the pressure applying piece and the supporting piece are elastic material layers for adjusting the radial force;
the supporting piece comprises an elastic material layer and a supporting layer positioned on the lower side of the elastic material layer, wherein the supporting layer is longitudinally provided with a groove matched with the wire single line, and the supporting layer is a hard material layer;
the guide wheel (3) comprises:
the rotating wheels are respectively arranged at the upper side and the lower side of the single wire of the lead at the input end of the input end radial positioning mechanism (4) and the discharge end of the output end radial positioning mechanism (5);
wherein the rotating directions of the rotating wheels at the upper side and the lower side are different;
the input end radial positioning mechanism (4) and the output end radial positioning mechanism (5) are respectively provided with a radial force adjusting mechanism for adjusting the radial force application of the single wire of the lead.
2. A wire single wire preparation mechanism as claimed in claim 1, characterized in that the input end radial positioning mechanism (4) and the output end radial positioning mechanism (5) are both elongated, the cross section of the elongated radial positioning mechanism is circular or polygonal, and the length of the elongated radial positioning mechanism is 15 mm-50 mm.
3. A wire single wire preparation mechanism as claimed in claim 1, wherein,
the rotating wheels at the upper side and the lower side are provided with:
the rotating direction of the rotating wheel on the upper side is opposite to the rotating direction of the input rotating wheel (2) and the output rotating wheel (6);
the rotation direction of the rotating wheel at the lower side is the same as that of the input rotating wheel (2) and the output rotating wheel (6).
4. A wire single wire preparation mechanism as claimed in claim 1, wherein,
the output shafts of the driving mechanisms driving the input rotating wheel (2) and the output rotating wheel (6) are respectively vertical to the single wire of the lead.
5. A wire-single-wire twisting preparation method in which the wire single wire is twisted with the wire-single-wire preparation mechanism according to any one of claims 1 to 4, characterized by comprising:
the two ends of the single wire of the lead are respectively fixed by the input end radial positioning mechanism (4) and the output end radial positioning mechanism (5) fixedly connected with the rotating box (7);
and under the rotation of the rotating box (7), the single wire of the wire at one end of the input end radial positioning mechanism (4) is twisted along the shaft, so that the single wire of the wire is twisted.
6. A method of preparing a single wire twist of a wire as claimed in claim 5, wherein the rotation of the rotating box (7) comprises:
after rotating in the counterclockwise direction, the motor rotates clockwise again; or (b)
After rotating clockwise, rotating counterclockwise again;
the number of turns of the clockwise rotation and the counter-clockwise rotation are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111578691.XA CN114446539B (en) | 2021-12-22 | 2021-12-22 | Wire single-wire preparation mechanism and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111578691.XA CN114446539B (en) | 2021-12-22 | 2021-12-22 | Wire single-wire preparation mechanism and preparation method thereof |
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| Publication Number | Publication Date |
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| CN114446539A CN114446539A (en) | 2022-05-06 |
| CN114446539B true CN114446539B (en) | 2024-03-15 |
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| CN202111578691.XA Active CN114446539B (en) | 2021-12-22 | 2021-12-22 | Wire single-wire preparation mechanism and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979740A (en) * | 2014-04-08 | 2015-10-14 | 萨拉李质量工程有限责任公司 | Method and device for determining or aligning the angular position of individual wires within a sheathed cable containing twisted wires |
| CN110923438A (en) * | 2019-10-30 | 2020-03-27 | 中国科学院金属研究所 | Circular torsion machining process for improving mechanical property of metal material |
| CN113802073A (en) * | 2021-08-16 | 2021-12-17 | 西南交通大学 | Preparation method of metal bar with wide-size gradual-evolution gradient nano structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170106421A1 (en) * | 2014-06-06 | 2017-04-20 | Koninklijke Philips N.V. | Manufacturing of litz wire |
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2021
- 2021-12-22 CN CN202111578691.XA patent/CN114446539B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979740A (en) * | 2014-04-08 | 2015-10-14 | 萨拉李质量工程有限责任公司 | Method and device for determining or aligning the angular position of individual wires within a sheathed cable containing twisted wires |
| CN110923438A (en) * | 2019-10-30 | 2020-03-27 | 中国科学院金属研究所 | Circular torsion machining process for improving mechanical property of metal material |
| CN113802073A (en) * | 2021-08-16 | 2021-12-17 | 西南交通大学 | Preparation method of metal bar with wide-size gradual-evolution gradient nano structure |
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