CN110385346A - A kind of aluminium alloy rod surface treatment method - Google Patents

A kind of aluminium alloy rod surface treatment method Download PDF

Info

Publication number
CN110385346A
CN110385346A CN201910652666.8A CN201910652666A CN110385346A CN 110385346 A CN110385346 A CN 110385346A CN 201910652666 A CN201910652666 A CN 201910652666A CN 110385346 A CN110385346 A CN 110385346A
Authority
CN
China
Prior art keywords
aluminium alloy
alloy rod
surface treatment
treatment method
exploitation
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201910652666.8A
Other languages
Chinese (zh)
Inventor
周华斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN SHENZHOU CABLE CO Ltd
Original Assignee
SHENZHEN SHENZHOU CABLE CO Ltd
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 SHENZHEN SHENZHOU CABLE CO Ltd filed Critical SHENZHEN SHENZHOU CABLE CO Ltd
Priority to CN201910652666.8A priority Critical patent/CN110385346A/en
Publication of CN110385346A publication Critical patent/CN110385346A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)

Abstract

The invention belongs to the manufacturing process technology fields of cable aluminium alloy rod, disclose a kind of aluminium alloy rod surface treatment method, comprising: position aluminium alloy rod unwrapping wire and through guide wheel;By rolling head wear mould machine by one end of aluminium alloy rod roll it is small and pass through equipped with the first aperture drawing mould;Aluminium alloy rod after stretching wears mould machine by rolling head and continues to roll small by one end of aluminium alloy rod and be straightened guide wheel by multiple positioning and carry out positioning alignment;Aluminium alloy rod is penetrated the lubricating oil positioning mold equipped with the second aperture to position;Aluminium alloy rod is worn mould machine by rolling head to roll small by one end of aluminium alloy rod and penetrate the exploitation mold equipped with third aperture;The circumvolution on admission machine by aluminium alloy rod;It shifts aluminium alloy rod and enters copper-clad and carry out welding sequence.The present invention improves the production efficiency of aluminium alloy rod, and the out-of-roundness for reducing aluminium alloy rod is low, not will cause the secondary pollution oxidation on aluminium alloy rod surface, distinguishes the prior art, will not generate waste material sewage, energy conservation and environmental protection.

Description

A kind of aluminium alloy rod surface treatment method
Technical field
The invention belongs to the manufacturing process technology fields of cable aluminium alloy rod more particularly to a kind of aluminium alloy rod to be surface-treated Method.
Background technique
Industry is manufactured in wire and cable, since the mineral resources situation of whole world copper and aluminium is poor copper richness aluminium, in order to Copper resource and optimization production cost are saved, becomes international trend, still, fine aluminium cable conduction at cable industry " with aluminium section copper " Rate is only 61%IACS, and the tensile strength and elongation percentage contradicted with conductivity also seriously constrains the popularization of aluminium cable and answers With constantly bringing forth new ideas and develop with science and technology successfully develops high quality, high skill in terms of aluminium alloy research and development The aluminium alloy cable of art content, compared with copper cable, extensibility higher with intensity be more preferable, the creep-resistant property spies such as more preferably Property, the high-performance of alloy product promote and apply it in the world, herein under the premise of, improved copper-clad aluminum alloy cable The cable of this double metallic composite material becomes the mainstream of cable industry, and copper-clad aluminum alloy material has abundant alloying, density Low, the advantages that tensile strength is high, electric conductivity is high, good extending performance, strong creep-resistant property, in the production of copper-clad aluminum alloy cable In the process, it is all made of copper-clad aluminum alloy cladding production technology.
But in the copper-clad aluminum alloy of prior art cladding production technology, it is to do that the aluminium alloy rod surface before cladding, which is removed, One potass pool, by the aluminium alloy rod of 9.5mm diameter by the mold of aluminium-drawing machine draw it is small tied at 8.6mm is bundled, be put into scale Than being impregnated 15 minutes in the potass pool for 1000:1, aluminium alloy rod is pulled out out of potass pool and is shelved again after being rinsed after coming with clear water Natural air drying, although this technique is relatively easy easy to operate, production efficiency is not high, and cleaning quality is poor, and two are easy after cleaning Subsurface pollution oxidation, the setting of potass pool also not environmentally, easily cause leakage, and such case needs to change.
Summary of the invention
The purpose of the present invention is to provide a kind of aluminium alloy rod surface treatment methods, to solve to be mentioned in above-mentioned background technique To the problem of.
To realize the above goal of the invention, the technical solution of use are as follows:
A kind of aluminium alloy rod surface treatment method, comprising the following steps:
Aluminium alloy rod is subjected to unwrapping wire by paying out machine and positions rear steering operation by guide wheel;
By rolling head wear mould machine by one end of the aluminium alloy rod roll it is small and pass through equipped with the first aperture drawing mould will The diametrical draw to less than original diameter of the aluminium alloy rod;
The aluminium alloy rod after stretching by the rolling head wear mould machine by one end of the aluminium alloy rod continue to roll it is small simultaneously Guide wheel, which is straightened, by multiple positioning carries out positioning alignment;
The aluminium alloy rod is penetrated and is fixed with the lubricating oil positioning mold in the second aperture and is positioned and drawn again small;
The aluminium alloy rod is worn mould machine by the rolling head to roll small by one end of the aluminium alloy rod and penetrate solid again Surely it is equipped with the exploitation mold in third aperture;
It is penetrated after 3 circle of winding on line machine on the pay off rack of the admission machine and carries out unwrapping wire, and started the admission machine and carry out The circumvolution of the aluminium alloy rod;
It shifts the aluminium alloy rod and enters copper-clad and carry out welding sequence.
The present invention is further arranged to: the initial diameter of the aluminium alloy rod is 9.5mm.
The present invention is further arranged to: contain Fe, Cu, Mg, Zr, B, Ce and trace rare earth in the aluminium alloy rod, For promoting the resistance to compression croop property of the aluminium alloy rod.
The present invention is further arranged to: it is whole that described Fe, Cu, Mg, Zr, B, Ce and trace rare earth account for the aluminium alloy rod The 1.35% of body content.
The present invention is further arranged to: the first aperture of the drawing mould is 8.75mm.
The present invention is further arranged to: multiple linear parallel 3 column distributions of positioning alignment guide wheel, each column are symmetrically arranged with Two positioning are straightened guide wheel.
The present invention is further arranged to: the second aperture of the lubricating oil positioning mold is 8.7mm.
The present invention is further arranged to: the third aperture of the exploitation mold is 8.6mm.
The present invention is further arranged to: the exploitation mold includes exploitation portion and the pedestal in sharp mouth pyramidal structure, described Exploitation portion is fixedly welded in the side of the pedestal, and the side of the pedestal, which is also extended, guide rod portion, and the guide rod portion is located at institute It states below exploitation portion and integrally formed with the pedestal.
The present invention is further arranged to: the guide rod portion is equipped with guide rod groove close to the one end in the exploitation portion, described to lead Bar groove is abutted with the one end in the exploitation portion.
In conclusion compared with prior art, the present invention changes the processing method on traditional cable aluminium alloy rod surface, get rid of The prior art for abandoning potass pool processing aluminium alloy rod surface, first micro- pulling-down of aluminium alloy rod is carried out by drawing mould, is changed The initial diameter of aluminium alloy rod carries out succeeding stretch by lubricating oil positioning mold, goes forward side by side in located alignment guide wheel school after The diameter of the miniature aluminium alloy rod of one step, then aluminium alloy rod is stretched three times via exploitation mold, obtain aimed dia Aluminium alloy rod is imitated finally via next copper-clad shoe welding sequence is stepped into after admission machine circumvolution so as to improve the production of aluminium alloy rod Rate, the out-of-roundness for reducing aluminium alloy rod is low, not will cause the secondary pollution oxidation on aluminium alloy rod surface, will not generate waste material dirt Water, energy conservation and environmental protection.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of aluminium alloy rod surface treatment method provided in this embodiment;
Fig. 2 is the overall structure diagram of exploitation mold provided in this embodiment.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated, it should be understood that and the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in different embodiments of the present invention described above It can be combined with each other at conflict.
A kind of aluminium alloy rod surface treatment method, as shown in Figure 1, comprising the following steps:
Aluminium alloy rod is carried out unwrapping wire by paying out machine and positions rear steering operation by guide wheel by S100;
In this step, via a upper process, treated that aluminium alloy rod is wrapped on paying out machine and opened by paying out machine unwrapping wire The surface treatment method of beginning aluminium alloy rod, wherein aluminium alloy rod is positioned and turned to by guide wheel, i.e., changes paying out machine by guide wheel Unwinding direction, save aluminium alloy rod surface processing equipment distribution space, reduce occupied area.
In the specific implementation process, the initial diameter of aluminium alloy rod is 9.5mm.
It should be noted that containing Fe, Cu, Mg, Zr, B, Ce and trace rare earth in aluminium alloy rod, it is arranged by this, Change the metallicity of aluminium alloy rod, wherein tensile strength, castability and the heat resistance of aluminium alloy rod is adjusted in Fe, improves aluminium Tensile strength, the heat resistance of aluminium alloy rod is adjusted in the creep-resistant property of rod of metal alloy, Cu, aluminium alloy rod resistance when increasing high temperature Thermal stability, Mg can increase the effective contact surface of the intensity and aluminium alloy rod of aluminium alloy rod with other alloying elements in dissolution Product.
Further, Fe, Cu, Mg, Zr, B, Ce and trace rare earth account for the 1.35% of aluminium alloy rod whole content.
It should be noted that Mg has apparent adverse effect to the conductivity of aluminium alloy rod, its specific proportion is needed Stringent control, while in the casting of aluminium alloy rod, using low temperature casting method, reasonable distribution intensity of cooling and gradient are closed in aluminium When the rolling of golden bar, control into and out of rolling temperature.
S200, by rolling head wear mould machine by one end of aluminium alloy rod roll it is small and pass through equipped with the first aperture drawing mould will The diametrical draw to less than original diameter of aluminium alloy rod;
Wherein, the first aperture of drawing mould is 8.75mm.
In the specific implementation process, mould machine is worn by rolling head in one end of aluminium alloy rod and rolls small, passed through convenient for aluminium alloy rod Aluminium alloy rod is drawn to diameter by initial diameter 9.5mm and is by drawing mould, the drawing mould that the first aperture is 8.75mm 8.75mm, as the first time process of aluminium alloy rod reject the greasy dirt and oxidation impurities on aluminium alloy rod surface.
S300, the aluminium alloy rod after stretching wear mould machine by rolling head and one end of aluminium alloy rod are continued to roll small and be passed through multiple Positioning alignment guide wheel carries out positioning alignment;
Wherein, multiple linear parallel 3 column distributions of positioning alignment guide wheel, each column are symmetrically arranged with two positioning alignment guide wheels.
In the specific implementation process, bilateral three groups totally six positioning alignment guide wheels can be to a plurality of after drawing mould is handled Aluminium alloy rod carry out alignment positioning, i.e. the straight operating of guarantee aluminium alloy rod to subsequent processing.
Aluminium alloy rod is penetrated and is fixed with the lubricating oil positioning mold in the second aperture and is positioned and drawn again by S400 It is small;
Wherein, the second aperture of lubricating oil positioning mold is 8.7mm.
In the specific implementation process, the lubricating oil positioning mold that the second aperture is 8.7mm is by aluminium alloy rod by diameter It is 8.7mm, as second of process of aluminium alloy rod, further rejecting aluminium alloy rod surface that 8.75mm, which is drawn to diameter, Greasy dirt and oxidation impurities.
Aluminium alloy rod is worn mould machine by rolling head and rolls small by one end of aluminium alloy rod again and penetrate and be fixed with by S500 The exploitation mold in three apertures;
Wherein, the third aperture for exploiting mold is 8.6mm.
In the specific implementation process, third aperture be 8.6mm exploitation mold by aluminium alloy rod by diameter 8.7mm exploit to Diameter is 8.6mm, as the third time process of aluminium alloy rod, and greasy dirt and the oxidation for thoroughly rejecting aluminium alloy rod surface are miscellaneous Matter.
Wherein, as shown in Fig. 2, exploitation mold includes exploitation portion 1 and the pedestal 2 in sharp mouth pyramidal structure, exploitation portion 1 is fixed It is welded in the side of pedestal 2, the side of pedestal 2, which is also extended, guide rod portion 21, and guide rod portion 21 is located at 1 lower section of exploitation portion and and pedestal 2 is integrally formed.
Further, guide rod portion 21 is equipped with guide rod groove 211, guide rod groove 211 and exploitation portion close to the one end in exploitation portion 1 1 one end abuts.
In the specific implementation process, in the exploitation portion 1 of sharp mouth pyramidal structure for exploiting aluminium alloy rod, with fixation hole Diameter value, that is, third aperture is 8.6mm, and sharp mouth pyramidal structure penetrates convenient for aluminium alloy rod and impurity recycling, guide rod groove 211 are convenient for Aluminium alloy rod after exploitation is positioned at export, wherein 211 groove body of guide rod groove is smooth, and one end of pedestal 2 is additionally provided with for installing With the fixed feet of fixed exploitation mold, fixed feet is fixedly connected by bolt with the external world.
S600 is penetrated on line machine on the pay off rack of admission machine after 3 circle of winding and is carried out unwrapping wire, and starts admission machine and carry out aluminium conjunction The circumvolution of golden bar;
In the specific implementation process, the aluminium alloy rod met the requirements after process three times is placed in admission machine Unwrapping wire is carried out on pay off rack, is ready for the subsequent processing processing of aluminium alloy rod.
S700, which shifts aluminium alloy rod and enters copper-clad, carries out welding sequence.
It should be noted that tentatively completing the aluminium in copper alloy line of cable after the copper-clad for completing aluminium alloy rod carries out welding Core design.
It is understood that wearing mould machine and this cold drawing equipment of lubricating oil positioning mold for drawing mould, rolling head Specific structure and function are that those skilled in the art can obtain according to the prior art, are worn herein for drawing mould, rolling head The structure and working principle of mould machine and lubricating oil positioning mold no longer repeats.
In conclusion the invention has the following advantages: the present invention changes the place on traditional cable aluminium alloy rod surface Reason method, abandons the prior art on potass pool processing aluminium alloy rod surface, carries out the first micro- of aluminium alloy rod by drawing mould Pulling-down changes the initial diameter of aluminium alloy rod, in located alignment guide wheel school after, is carried out by lubricating oil positioning mold secondary It stretches, and the diameter of further miniature aluminium alloy rod, then aluminium alloy rod is stretched three times via exploitation mold, obtains mesh The aluminium alloy rod of diameter is marked, finally via next copper-clad shoe welding sequence is stepped into after admission machine circumvolution, so as to improve aluminium alloy rod Production efficiency, the out-of-roundness for reducing aluminium alloy rod is low, not will cause aluminium alloy rod surface secondary pollution oxidation, will not generate Waste material sewage, energy conservation and environmental protection.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (10)

1. a kind of aluminium alloy rod surface treatment method, which comprises the following steps:
Aluminium alloy rod is subjected to unwrapping wire by paying out machine and positions rear steering operation by guide wheel;
By rolling head wear mould machine by one end of the aluminium alloy rod roll it is small and pass through the drawing mould equipped with the first aperture will be described The diametrical draw to less than original diameter of aluminium alloy rod;
The aluminium alloy rod after stretching wears mould machine by the rolling head and one end of the aluminium alloy rod is continued to roll small and be passed through Multiple positioning alignment guide wheels carry out positioning alignment;
The aluminium alloy rod is penetrated and is fixed with the lubricating oil positioning mold in the second aperture and is positioned and drawn again small;
By the aluminium alloy rod by the rolling head wear mould machine by one end of the aluminium alloy rod roll again it is small and penetrate fixation set There is the exploitation mold in third aperture;
It is penetrated after 3 circle of winding on line machine on the pay off rack of the admission machine and carries out unwrapping wire, and started described in the admission machine progress The circumvolution of aluminium alloy rod;
It shifts the aluminium alloy rod and enters copper-clad and carry out welding sequence.
2. a kind of aluminium alloy rod surface treatment method as described in claim 1, which is characterized in that the aluminium alloy rod it is initial Diameter is 9.5mm.
3. a kind of aluminium alloy rod surface treatment method as claimed in claim 2, which is characterized in that contain in the aluminium alloy rod Fe, Cu, Mg, Zr, B, Ce and trace rare earth, for promoting the resistance to compression croop property of the aluminium alloy rod.
4. a kind of aluminium alloy rod surface treatment method as claimed in claim 3, which is characterized in that the Fe, Cu, Mg, Zr, B, Ce and trace rare earth account for the 1.35% of the aluminium alloy rod whole content.
5. a kind of aluminium alloy rod surface treatment method as described in claim 1, which is characterized in that the first of the drawing mould Aperture is 8.75mm.
6. a kind of aluminium alloy rod surface treatment method as described in claim 1, which is characterized in that multiple positioning alignments are led Linear parallel 3 column distribution is taken turns, each column is symmetrically arranged with two positioning alignment guide wheels.
7. a kind of aluminium alloy rod surface treatment method as described in claim 1, which is characterized in that the lubricating oil positioning mold The second aperture be 8.7mm.
8. a kind of aluminium alloy rod surface treatment method as described in claim 1, which is characterized in that the third of the exploitation mold Aperture is 8.6mm.
9. a kind of aluminium alloy rod surface treatment method as claimed in claim 7, which is characterized in that the exploitation mold includes being in The exploitation portion of sharp mouth pyramidal structure and pedestal, the exploitation portion are fixedly welded in the side of the pedestal, the side of the pedestal Also extending has guide rod portion, and the guide rod portion is located at below the exploitation portion and integrally formed with the pedestal.
10. a kind of aluminium alloy rod surface treatment method as claimed in claim 8, which is characterized in that the guide rod portion is close to institute The one end for stating exploitation portion is equipped with guide rod groove, and the guide rod groove is abutted with the one end in the exploitation portion.
CN201910652666.8A 2019-07-19 2019-07-19 A kind of aluminium alloy rod surface treatment method Pending CN110385346A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910652666.8A CN110385346A (en) 2019-07-19 2019-07-19 A kind of aluminium alloy rod surface treatment method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910652666.8A CN110385346A (en) 2019-07-19 2019-07-19 A kind of aluminium alloy rod surface treatment method

Publications (1)

Publication Number Publication Date
CN110385346A true CN110385346A (en) 2019-10-29

Family

ID=68286764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910652666.8A Pending CN110385346A (en) 2019-07-19 2019-07-19 A kind of aluminium alloy rod surface treatment method

Country Status (1)

Country Link
CN (1) CN110385346A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201361745Y (en) * 2008-12-29 2009-12-16 佛山市益宏焊接有限公司 Stripping device for aluminum alloy welding wires
CN103170523A (en) * 2013-03-25 2013-06-26 江苏仁田机械有限公司 Aluminum rod peeling device
CN103203587A (en) * 2013-03-25 2013-07-17 江苏仁田机械有限公司 Manufacturing method of aluminum rod
CN104294089A (en) * 2014-09-15 2015-01-21 林泽民 Al-Fe-Cu-Mg-Zr series aluminum alloy for cables for coal mines and aluminum alloy cable
CN208083705U (en) * 2018-03-29 2018-11-13 昆明冶金研究院 A kind of aluminium alloy welding wire apparatus for peeling off
CN110014050A (en) * 2019-05-15 2019-07-16 埃斯科特钢有限公司 A kind of gren rod is processed into the processing technology of the bright as silver bar of vertical bar

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201361745Y (en) * 2008-12-29 2009-12-16 佛山市益宏焊接有限公司 Stripping device for aluminum alloy welding wires
CN103170523A (en) * 2013-03-25 2013-06-26 江苏仁田机械有限公司 Aluminum rod peeling device
CN103203587A (en) * 2013-03-25 2013-07-17 江苏仁田机械有限公司 Manufacturing method of aluminum rod
CN104294089A (en) * 2014-09-15 2015-01-21 林泽民 Al-Fe-Cu-Mg-Zr series aluminum alloy for cables for coal mines and aluminum alloy cable
CN208083705U (en) * 2018-03-29 2018-11-13 昆明冶金研究院 A kind of aluminium alloy welding wire apparatus for peeling off
CN110014050A (en) * 2019-05-15 2019-07-16 埃斯科特钢有限公司 A kind of gren rod is processed into the processing technology of the bright as silver bar of vertical bar

Similar Documents

Publication Publication Date Title
CN105032926B (en) A kind of method of rolled metal wire and rod under magnetostatic field assosting effect
CN206680517U (en) A kind of combined smelting furnace cooling wall of steel copper steel
CN105583271B (en) Vehicle body Aluminum Alloy Tube solid solution-bending-age forming device and method
CN106591753B (en) A kind of short route preparation processing technology of Cu-Cr-Zr alloy high ferro contact line
CN2925663Y (en) High-speed multi-passage drawing wireddrawing machine of cistern
CN102554165B (en) Electromagnetic device for stirring metal melt spirally
CN101767123A (en) Process and equipment for producing aluminum-cladding copper pipe
CN103495613A (en) Production process and drawing equipment of phi-5.0mm 1960MPa super-strength steel wires
CN106834824B (en) A kind of high strength and high conductivity rate alumina-base material and preparation method thereof containing scandium, yttrium
CN106297960B (en) A kind of cable production technology of Copper-Aluminum compound band
CN103606422B (en) A kind of preparation method of high-strength high-conductivity copper-silver multi-core composite wire
CN101261890B (en) Manufacturing technology for high-intensity clearance ultra heat resisting aluminum alloy lead and ultra heat resisting aluminum alloy
CN109881085A (en) Easy welding hot-rolled strip Q345 and its manufacturing method based on double-roller rolling
CN110385346A (en) A kind of aluminium alloy rod surface treatment method
CN101412047A (en) Technique for producing copper-clad aluminium composite tube or stick
CN106623478B (en) A kind of manufacturing method of highly conductive high-strength aluminum alloy conducting wire used for intelligent electric network
CN102962416B (en) Device and method for producing thin aluminum alloy bar
CN103021561A (en) Induction heating preparation process for copper-clad aluminum bus blank
CN110340618B (en) Prestressing force PC rod iron assembly production line
CN201376988Y (en) Continuous annealing device of copper alloy flat wires
CN207727126U (en) A kind of cu-based amorphous alloys on-line continuous Semi-solid Material Processing equipment
CN203400926U (en) Production equipment for continuous casting and straight rolling of rod and wire
CN202933963U (en) Solder cooling device for extruding-rolling on-line automatic production line
JP4499956B2 (en) Steel cord manufacturing method
CN1216383C (en) Metal contact wire bar blank, metal contact wire and method for producing said bar blank

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20191029

RJ01 Rejection of invention patent application after publication