CN105977603B - The manufacturing method of radio-frequency cable - Google Patents

The manufacturing method of radio-frequency cable Download PDF

Info

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
Authority
CN
China
Prior art keywords
copper wire
wire
wheel
rolling press
heating
Prior art date
Application number
CN201610277809.8A
Other languages
Chinese (zh)
Other versions
CN105977603A (en
Inventor
赵育苗
黄晓鹏
王�华
黄桂领
Original Assignee
杭州富通电线电缆有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 杭州富通电线电缆有限公司 filed Critical 杭州富通电线电缆有限公司
Priority to CN201610277809.8A priority Critical patent/CN105977603B/en
Publication of CN105977603A publication Critical patent/CN105977603A/en
Application granted granted Critical
Publication of CN105977603B publication Critical patent/CN105977603B/en

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P11/00Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
    • H01P11/001Manufacturing waveguides or transmission lines of the waveguide type
    • H01P11/005Manufacturing coaxial lines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/02Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
    • B21C1/04Drawing 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/02Dies; Selection of material therefor; Cleaning thereof
    • B21C3/08Dies; Selection of material therefor; Cleaning thereof with section defined by rollers, balls, or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C9/00Cooling, heating or lubricating drawing material

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

The manufacturing method of radio-frequency cable

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.
CN201610277809.8A 2016-04-28 2016-04-28 The manufacturing method of radio-frequency cable CN105977603B (en)

Priority Applications (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

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201811156873.6A CN109216857B (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
CN201811156130.9A CN109216856B (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

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
CN201811172261.6A Division CN109390652B (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

Publications (2)

Publication Number Publication Date
CN105977603A CN105977603A (en) 2016-09-28
CN105977603B true CN105977603B (en) 2018-12-18

Family

ID=56993377

Family Applications (4)

Application Number Title Priority Date Filing Date
CN201610277809.8A CN105977603B (en) 2016-04-28 2016-04-28 The manufacturing method of radio-frequency cable
CN201811156130.9A CN109216856B (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
CN201811156873.6A CN109216857B (en) 2016-04-28 2016-04-28 Method for manufacturing radio frequency cable

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN201811156130.9A CN109216856B (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
CN201811156873.6A CN109216857B (en) 2016-04-28 2016-04-28 Method for manufacturing radio frequency cable

Country Status (1)

Country Link
CN (4) CN105977603B (en)

Citations (6)

* Cited by examiner, † Cited by third party
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
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
CN109216856B (en) 2020-11-13
CN109216856A (en) 2019-01-15
CN105977603A (en) 2016-09-28
CN109390652B (en) 2020-11-13
CN109216857B (en) 2020-11-13
CN109390652A (en) 2019-02-26
CN109216857A (en) 2019-01-15

Similar Documents

Publication Publication Date Title
CN105067160A (en) Oxidized graphene sponge-based flexible pressure sensor and manufacturing method thereof
CN102122742B (en) Cavity filter with rotary coupling regulation structure
CN104209404A (en) Rotary extrusion secondary forming die for novel pipe fitting for decoration and forming method thereof
CN204632892U (en) Cavity body filter, duplexer and radio frequency remote equipment
CN201404897Y (en) Multi-purpose dividing and cutting machine with coating function
CN201417811Y (en) Resonating tube and cavity filter with the resonating tube
WO2012036439A3 (en) Apparatus and method for controlling subcarrier spacing in a wireless communication system
CN204035413U (en) Wire rod alignment structure
CN104454906B (en) Bolt structure and package assembly
CN203398265U (en) Mobile phone planar built-in antenna
CN106244989A (en) Produce the method and apparatus of flexible micro-nano metalolic network transparent conductive film continuously
CN102737754B (en) Surface irregular high-power tin-plate copper strip of photovoltaic subassembly and manufacture method of surface irregular high-power tin-plate copper strip
EP2962777A1 (en) Interlock tube manufacturing method and manufacturing device therefor
CN104014810A (en) Method for manufacturing strepto-shaped cobalt platinum alloy by using octreotide acetate as template
CN104868092A (en) Manufacturing apparatus of coating film product
Li et al. Fabrication and characterization unique ribbon-like porous Ag/LaFeO3 nanobelts photocatalyst via electrospinning
CN108714626A (en) A kind of deep cooling asynchronous rolling method preparing noble metal nano-plate
WO2011085322A3 (en) Induction motor
CN103185043B (en) Intelligent liquid flow control valve
CN107240762A (en) A kind of mobile communication equipment and its antenna
CN206388672U (en) Battery pole piece burr remover
CN203377376U (en) A small-size broadband helical antenna
CN103457023A (en) Compact type conformal PIFA array antenna on UHF frequency band
CN103664723B (en) The preparation method of metal dithiocarbamate solution and nano metal sulfide material
US10550463B2 (en) Method for manufacturing antenna and mobile device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant