CN105977603B - The manufacturing method of radio-frequency cable - Google Patents
The manufacturing method of radio-frequency cable Download PDFInfo
- Publication number
- CN105977603B CN105977603B CN201610277809.8A CN201610277809A CN105977603B CN 105977603 B CN105977603 B CN 105977603B CN 201610277809 A CN201610277809 A CN 201610277809A CN 105977603 B CN105977603 B CN 105977603B
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- Prior art keywords
- copper wire
- wire
- wheel
- rolling press
- group
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/001—Manufacturing waveguides or transmission lines of the waveguide type
- H01P11/005—Manufacturing coaxial lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/04—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums with two or more dies operating in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/08—Dies; Selection of material therefor; Cleaning thereof with section defined by rollers, balls, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metal Extraction Processes (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a kind of manufacturing methods of radio-frequency cable, comprising the following steps: 1) heats to copper wire；2) copper wire after heating is carried out to press thin operation by least one set rolling press-wheel；3) wire-drawing operation is carried out to copper wire of the pressure after thin by wire-drawing die, finally obtains inner conductor.This manufacturing method can improve tensile property when copper wire and rolling press-wheel and wire-drawing die cooperation, while facilitating processing, stretching quality is effectively ensured, reduce the probability that defect occurs by heating to copper wire；Copper wire is tentatively drawn and attenuated by roll mode, obtain the inner conductor of correspondingly-sized finally by wire-drawing die, this manufacturing method relative to it is existing completely by way of wire-drawing die wire drawing for, can be effectively reduced the generation of copper powder, copper material is saved, and can guarantee the size of wire drawing.
Description
Technical field
The present invention relates to field of cables, and in particular to the manufacturing method of radio-frequency cable.
Background technique
Radio-frequency cable be transmit radio-frequency region in electromagnetic energy cable, radio-frequency cable be various radio communications systems and
Indispensable element in electronic equipment, wireless communication, broadcast, TV, radar, navigation, computer and in terms of have
It is widely used.
Radio-frequency cable successively includes inner conductor, foaming layer, outer conductor and sheath from the inside to the outside, wherein radio-frequency cable
Inner conductor is drawn by thicker copper wire, this processing method completely using sliding by the way of drawn and attenuated, be easy to produce compared with
More copper powders cause to waste.
Summary of the invention
The manufacturer of the radio-frequency cable of copper powder amount is effectively reduced in the present invention when in view of the above-mentioned problems, proposing a kind of processing
Method.
The technical solution adopted by the present invention is as follows:
A kind of manufacturing method of radio-frequency cable, comprising the following steps:
1) copper wire is heated；
2) copper wire after heating is carried out to press thin operation by least one set rolling press-wheel；
3) wire-drawing operation is carried out to copper wire of the pressure after thin by wire-drawing die, finally obtains inner conductor.
This manufacturing method can improve drawing when copper wire and rolling press-wheel and wire-drawing die cooperation by heating to copper wire
Performance is stretched, while facilitating processing, stretching quality is effectively ensured, reduces the probability that defect occurs；It is tentatively drawn by roll mode
Thin copper wire obtains the inner conductor of correspondingly-sized finally by wire-drawing die, this manufacturing method passes through wire drawing relative to existing completely
For the mode of mold wire drawing, the generation of copper powder can be effectively reduced, save copper material, and can guarantee the size of wire drawing.
Optionally, the temperature in the step 1), after copper wire heating are as follows: 100 DEG C~200 DEG C.
The too low copper wire wire-drawing performance of temperature is promoted unobvious, and temperature is excessively high not only to have increased energy consumption but also can be to the use of lubricating fluid
Have an adverse effect, the temperature control after copper wire heating can have at 100 DEG C~200 DEG C while guaranteeing inner conductor quality
Effect reduces energy consumption.
Optionally, the step 1)~step 3) is operated by inner conductor process equipment；The inner conductor processing is set
It is standby to include:
Container is heated, there is an import and an outlet, copper wire enters heating container by import and is pierced by by outlet；
Heating element, setting is in heating container, for heating to the copper wire in heating container；
Three groups of rolling press-wheels, positioned at the outside at heating container outlet end, the direction of motion along copper wire is spaced apart, each group rolling
Dynamic pressure wheel includes two rolling press-wheels for being symmetrically distributed in copper wire week edge, and it is recessed that the lateral wall of each rolling press-wheel all has arc
Slot, the cross section of the arc groove are semicircle；
Wire-drawing die, for carrying out wire-drawing operation to the copper wire come out from rolling press-wheel.
Heating container copper wire can be heated, the arc groove of each rolling press-wheel copper wire can be pressed into size compared with
Small copper wire can carry out wire-drawing operation to the copper wire come out from rolling press-wheel by wire-drawing die, guarantee the size of inner conductor.
Optionally, three groups of rolling press-wheels are followed successively by first group of rolling press-wheel, second group of rolling press-wheel and third group and roll
Pinch roller, and first group of rolling press-wheel is adjacent to the heating container；The internal diameter of the arc groove of first group of rolling press-wheel is greater than second
The internal diameter of the internal diameter of the arc groove of group rolling press-wheel, the arc groove of second group of rolling press-wheel is greater than third group rolling press-wheel
The internal diameter of arc groove.
The size of copper wire can gradually be pressed to thin, the preferable pressing effect of guarantee by three groups of rolling press-wheels.
Optionally, second group of rolling press-wheel is rotated clockwise relative to first group of rolling press-wheel around copper wire axis direction
60°；Third group rolling press-wheel rotates clockwise 60 ° relative to second group of rolling press-wheel, around copper wire axis direction.
Copper wire axis direction described herein refers to the axis direction of the copper wire part of corresponding component corresponding region.
Second group of rolling press-wheel rotates clockwise 60 ° relative to first group of rolling press-wheel, around copper wire axis direction, third group rolling press-wheel
Relative to second group of rolling press-wheel, rotating clockwise 60 ° of settings in this way around copper wire axis direction can effectively slow down in two rollings
Dynamic pressure wheel junction generates impression, and copper wire can be guaranteed in the roundness of circumferencial direction.
It optionally, further include the lubrication spray head that lubricating fluid is sprayed to each group rolling press-wheel and wire-drawing die.
Copper wire can be lubricated by lubricating spray head, guarantees copper wire surface quality.
Optionally, the inner conductor process equipment further includes two groups of positioning mechanisms being arranged in heating container, and two groups fixed
Position mechanism is separately positioned on the both ends inside heating container, and each positioning mechanism includes:
At least three around heating the equally distributed support rod of container outlet axis,
Runner is rotatably installed in the end of support rod, for cooperating with copper wire, limits the position of copper wire.
The copper wire in heating container can reliably be positioned by two groups of positioning mechanisms of setting, prevent copper wire or more
Shake etc..
Optionally, the heating element is coil structure, and heating element housing is and coaxial with copper wire on copper wire
Setting, heating element are 1mm~3mm at a distance from copper wire outer surface.
Because of the presence of two groups of positioning mechanisms, position of the copper wire in heating container be can effectively ensure that, so as to can
The guarantee heating element leaned on is 1mm~3mm at a distance from copper wire outer surface, and heating element is coil structure and housing exists
On copper wire, setting can guarantee there is biggish heating surface (area) (HS in this way, and heating element is very small at a distance from copper wire outer surface, in this way
Setting can greatly improve heating efficiency.
Optionally, the wire-drawing die includes a bellmouth.
It optionally, further include outer cover, the wire-drawing die and three groups of rolling press-wheels are arranged in outer cover, the outer cover
With the first through hole penetrated for copper wire and the second through-hole being pierced by for copper wire.
The beneficial effects of the present invention are: this manufacturing method by being heated to copper wire, can improve copper wire and rolling press-wheel with
And tensile property when wire-drawing die cooperation, while facilitating processing, stretching quality is effectively ensured, reduces the general of defect generation
Rate；Copper wire is tentatively drawn and attenuated by roll mode, obtains the inner conductor of correspondingly-sized, this manufacturing method phase finally by wire-drawing die
For it is existing completely by way of wire-drawing die wire drawing for, can be effectively reduced the generation of copper powder, save copper material, and can
Guarantee the size of wire drawing.
Detailed description of the invention:
Fig. 1 is the flow chart of the manufacturing method of radio-frequency cable of the present invention；
Fig. 2 is the structural schematic diagram of inner conductor process equipment；
Fig. 3 is the structural schematic diagram after inner conductor process equipment removal outer cover；
Fig. 4 is the structural schematic diagram after inner conductor process equipment removal outer cover, upper casing and lubrication spray head.
Each appended drawing reference in figure are as follows:
1, copper wire, 2, heating container, 3, outer cover, 4, lower casing, 5, import, 6, upper casing, 7, outlet, 8, lubrication spray head, 9, the
One group of rolling press-wheel, 10, second groups of rolling press-wheels, 11, third group rolling press-wheel, 12, arc groove, 13, wire-drawing die, 14,
Positioning mechanism, 15, heating element, 16, runner, 17, support rod.
Specific embodiment:
Below with reference to each attached drawing, the present invention will be described in detail.
As shown in Figure 1, a kind of manufacturing method of radio-frequency cable, comprising the following steps:
1) copper wire is heated；
2) copper wire after heating is carried out to press thin operation by least one set rolling press-wheel；
3) wire-drawing operation is carried out to copper wire of the pressure after thin by wire-drawing die, finally obtains inner conductor.
The manufacturing method of the present embodiment can improve copper wire and match with rolling press-wheel and wire-drawing die by heating to copper wire
While facilitating processing, stretching quality is effectively ensured in tensile property when conjunction, reduces the probability that defect occurs；Pass through rolling square
Formula tentatively draws and attenuates copper wire, obtains the inner conductor of correspondingly-sized finally by wire-drawing die, this manufacturing method is relative to existing complete
For by way of wire-drawing die wire drawing, the generation of copper powder can be effectively reduced, save copper material, and can guarantee the ruler of wire drawing
It is very little.
In this present embodiment, the temperature in step 1), after copper wire heating are as follows: 100 DEG C~200 DEG C.
The too low copper wire wire-drawing performance of temperature is promoted unobvious, and temperature is excessively high not only to have increased energy consumption but also can be to the use of lubricating fluid
Have an adverse effect, the temperature control after copper wire heating can have at 100 DEG C~200 DEG C while guaranteeing inner conductor quality
Effect reduces energy consumption.
As shown in Figures 3 and 4, in this present embodiment, step 1)~step 3) is operated by inner conductor process equipment；It is interior
Conductor process equipment includes:
Container 2 is heated, there is an import 5 and an outlet 7, copper wire 1 is by import 5 into heating container 2 and by going out
Mouth 7 is pierced by；The heating container 2 of the present embodiment has mutually matched lower casing 4 and upper casing 6 to constitute；
Heating element 15, setting is in heating container 2, for heating to the copper wire 1 in heating container 2；
Three groups of rolling press-wheels, positioned at the outside at heating container outlet end, the direction of motion along copper wire is spaced apart, each group rolling
Dynamic pressure wheel includes two rolling press-wheels for being symmetrically distributed in copper wire week edge, and it is recessed that the lateral wall of each rolling press-wheel all has arc
Slot 12, the cross section of arc groove are semicircle；
Wire-drawing die 13, for carrying out wire-drawing operation to the copper wire come out from rolling press-wheel.
Heating container copper wire can be heated, the arc groove of each rolling press-wheel copper wire can be pressed into size compared with
Small copper wire can carry out wire-drawing operation to the copper wire come out from rolling press-wheel by wire-drawing die, guarantee the size of inner conductor.
In this present embodiment, three groups of rolling press-wheels are followed successively by first group of rolling press-wheel, 9, second groups of rolling press-wheels 10 and
Three groups of rolling press-wheels 11, and the neighbouring heating container of first group of rolling press-wheel；The internal diameter of the arc groove of first group of rolling press-wheel is big
It is rolled in the internal diameter of the internal diameter of the arc groove of second group of rolling press-wheel, the arc groove of second group of rolling press-wheel greater than third group
The internal diameter of the arc groove of pinch roller.
The size of copper wire can gradually be pressed to thin, the preferable pressing effect of guarantee by three groups of rolling press-wheels.
In this present embodiment, second group of rolling press-wheel is clockwise around copper wire axis direction relative to first group of rolling press-wheel
60 ° of rotation；Third group rolling press-wheel rotates clockwise 60 ° relative to second group of rolling press-wheel, around copper wire axis direction.
The copper wire axis direction of the application refers to the axis direction of the copper wire part of corresponding component corresponding region.Second
Group rolling press-wheel rotates clockwise 60 ° around copper wire axis direction, third group rolling press-wheel is opposite relative to first group of rolling press-wheel
In second group of rolling press-wheel, rotating clockwise 60 ° of settings in this way around copper wire axis direction can effectively slow down in two rollings pressures
It takes turns junction and generates impression, copper wire can be guaranteed in the roundness of circumferencial direction.
It in this present embodiment, further include the lubrication spray head 8 that lubricating fluid is sprayed to each group rolling press-wheel and wire-drawing die.It is logical
Copper wire can be lubricated by crossing lubrication spray head, guarantee copper wire surface quality.
As shown in figure 4, in this present embodiment, inner conductor process equipment further includes two groups of positioning being arranged in heating container
Mechanism 14, two groups of positioning mechanisms are separately positioned on the both ends inside heating container, and each positioning mechanism includes:
At least three around heating the equally distributed support rod 17 of container outlet axis,
Runner 16 is rotatably installed in the end of support rod 17, for cooperating with copper wire 1, limits the position of copper wire.
The copper wire in heating container can reliably be positioned by two groups of positioning mechanisms of setting, prevent copper wire or more
Shake etc..
In this present embodiment, heating element 15 be coil structure, 15 housing of heating element on copper wire 1, and with
Copper wire coaxial arrangement, heating element are 1mm~3mm at a distance from copper wire outer surface.
Because of the presence of two groups of positioning mechanisms, position of the copper wire in heating container be can effectively ensure that, so as to can
The guarantee heating element leaned on is 1mm~3mm at a distance from copper wire outer surface, and heating element is coil structure and housing exists
On copper wire, setting can guarantee there is biggish heating surface (area) (HS in this way, and heating element is very small at a distance from copper wire outer surface, in this way
Setting can greatly improve heating efficiency.
In this present embodiment, wire-drawing die includes a bellmouth.
As shown in Fig. 2, further including outer cover 3 in this present embodiment, wire-drawing die and three groups of rolling press-wheels are arranged at outer
In cover, outer cover is with the first through hole penetrated for copper wire and the second through-hole being pierced by for copper wire.
The above description is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all
It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content
Field similarly includes within the scope of the present invention.
Claims (3)
1. a kind of manufacturing method of radio-frequency cable, which comprises the following steps:
1) copper wire is heated；
2) copper wire after heating is carried out to press thin operation by least one set rolling press-wheel；
3) wire-drawing operation is carried out to copper wire of the pressure after thin by wire-drawing die, finally obtains inner conductor；
Temperature in the step 1), after copper wire heating are as follows: 100 DEG C~200 DEG C；
The step 1)~step 3) is operated by inner conductor process equipment；The inner conductor process equipment includes:
Container is heated, there is an import and an outlet, copper wire enters heating container by import and is pierced by by outlet；
Heating element, setting is in heating container, for heating to the copper wire in heating container；
Three groups of rolling press-wheels, positioned at the outside at heating container outlet end, the direction of motion along copper wire is spaced apart, and each group rolls pressure
Wheel includes two rolling press-wheels for being symmetrically distributed in copper wire week edge, and the lateral wall of each rolling press-wheel all has arc groove,
The cross section of the arc groove is semicircle；
Wire-drawing die, for carrying out wire-drawing operation to the copper wire come out from rolling press-wheel；
Three groups of rolling press-wheels are followed successively by first group of rolling press-wheel, second group of rolling press-wheel and third group rolling press-wheel, and first
Group rolling press-wheel is adjacent to the heating container；The internal diameter of the arc groove of first group of rolling press-wheel is greater than second group of rolling press-wheel
The internal diameter of arc groove, the internal diameter of the arc groove of second group of rolling press-wheel are greater than the interior of the arc groove of third group rolling press-wheel
Diameter；
Second group of rolling press-wheel rotates clockwise 60 ° relative to first group of rolling press-wheel, around copper wire axis direction；Third group rolls
Pinch roller rotates clockwise 60 ° relative to second group of rolling press-wheel, around copper wire axis direction；
It further include the lubrication spray head to each group rolling press-wheel and wire-drawing die injection lubricating fluid；
The inner conductor process equipment further includes two groups of positioning mechanisms being arranged in heating container, and two groups of positioning mechanisms are set respectively
The both ends inside heating container are set, each positioning mechanism includes:
At least three around heating the equally distributed support rod of container outlet axis,
Runner is rotatably installed in the end of support rod, for cooperating with copper wire, limits the position of copper wire；
The heating element is coil structure, and heating element housing is coaxially disposed on copper wire, and with copper wire, heating unit
Part is 1mm~3mm at a distance from copper wire outer surface.
2. the manufacturing method of radio-frequency cable as described in claim 1, which is characterized in that the wire-drawing die includes a taper
Hole.
3. the manufacturing method of radio-frequency cable as described in claim 1, which is characterized in that it further include outer cover, the wire-drawing die
And three groups of rolling press-wheels are arranged in outer cover, the outer cover is pierced by with the first through hole penetrated for copper wire and for copper wire
The second through-hole.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811156130.9A CN109216856B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201610277809.8A CN105977603B (en) | 2016-04-28 | 2016-04-28 | The manufacturing method of radio-frequency cable |
| CN201811156873.6A CN109216857B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201811172261.6A CN109390652B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277809.8A CN105977603B (en) | 2016-04-28 | 2016-04-28 | The manufacturing method of radio-frequency cable |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811156873.6A Division CN109216857B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201811156130.9A Division CN109216856B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201811172261.6A Division CN109390652B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105977603A CN105977603A (en) | 2016-09-28 |
| CN105977603B true CN105977603B (en) | 2018-12-18 |
Family
ID=56993377
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811156130.9A Active CN109216856B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201811156873.6A Active CN109216857B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201610277809.8A Active CN105977603B (en) | 2016-04-28 | 2016-04-28 | The manufacturing method of radio-frequency cable |
| CN201811172261.6A Active CN109390652B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811156130.9A Active CN109216856B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
| CN201811156873.6A Active CN109216857B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811172261.6A Active CN109390652B (en) | 2016-04-28 | 2016-04-28 | Method for manufacturing radio frequency cable |
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| Country | Link |
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| CN (4) | CN109216856B (en) |
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|---|---|---|---|---|
| CN103649344A (en) * | 2011-08-01 | 2014-03-19 | 新日铁住金株式会社 | Controlled rolling method of seamless steel tube excellent in strength and low-temperature toughness |
| CN104028961A (en) * | 2014-06-11 | 2014-09-10 | 远东电缆有限公司 | Intermediate-strength aluminum alloy wire and process for manufacturing same |
| CN104508161A (en) * | 2012-08-31 | 2015-04-08 | 三菱综合材料株式会社 | Copper wire rod and winding |
| CN204906743U (en) * | 2015-09-09 | 2015-12-23 | 四川韦克电缆有限公司 | Automatic accuse temperature heating cable |
| CN204934225U (en) * | 2015-08-10 | 2016-01-06 | 焦作同心电缆有限公司 | A kind of alloy bar material wire drawing mould |
| CN205059682U (en) * | 2015-09-30 | 2016-03-02 | 鹤山市精工制版有限公司 | Dolly is used in assembly of jumbo size version roller |
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| ITMI20020466U1 (en) * | 2002-10-11 | 2004-04-12 | Vassena Filiere S R L | EQUIPMENT FOR COLD DRAWING OF A METAL WIRE |
| CN104785561B (en) * | 2015-04-09 | 2017-10-24 | 江苏中辰电缆有限公司 | It is a kind of to be used for the method for metal break flour reduction in electric wire drawing process |
| CN104867626A (en) * | 2015-04-28 | 2015-08-26 | 安徽顺驰电缆有限公司 | Production technology of cable |
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2016
- 2016-04-28 CN CN201811156130.9A patent/CN109216856B/en active Active
- 2016-04-28 CN CN201811156873.6A patent/CN109216857B/en active Active
- 2016-04-28 CN CN201610277809.8A patent/CN105977603B/en active Active
- 2016-04-28 CN CN201811172261.6A patent/CN109390652B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649344A (en) * | 2011-08-01 | 2014-03-19 | 新日铁住金株式会社 | Controlled rolling method of seamless steel tube excellent in strength and low-temperature toughness |
| CN104508161A (en) * | 2012-08-31 | 2015-04-08 | 三菱综合材料株式会社 | Copper wire rod and winding |
| CN104028961A (en) * | 2014-06-11 | 2014-09-10 | 远东电缆有限公司 | Intermediate-strength aluminum alloy wire and process for manufacturing same |
| CN204934225U (en) * | 2015-08-10 | 2016-01-06 | 焦作同心电缆有限公司 | A kind of alloy bar material wire drawing mould |
| CN204906743U (en) * | 2015-09-09 | 2015-12-23 | 四川韦克电缆有限公司 | Automatic accuse temperature heating cable |
| CN205059682U (en) * | 2015-09-30 | 2016-03-02 | 鹤山市精工制版有限公司 | Dolly is used in assembly of jumbo size version roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105977603A (en) | 2016-09-28 |
| CN109216856B (en) | 2020-11-13 |
| CN109390652B (en) | 2020-11-13 |
| CN109216856A (en) | 2019-01-15 |
| CN109390652A (en) | 2019-02-26 |
| CN109216857A (en) | 2019-01-15 |
| CN109216857B (en) | 2020-11-13 |
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