CN1039680C - Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus - Google Patents
Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus Download PDFInfo
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- CN1039680C CN1039680C CN92114575A CN92114575A CN1039680C CN 1039680 C CN1039680 C CN 1039680C CN 92114575 A CN92114575 A CN 92114575A CN 92114575 A CN92114575 A CN 92114575A CN 1039680 C CN1039680 C CN 1039680C
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Abstract
The present invention relates to a device adopting two wheels to continuously extrusion, which is provided with a cladding material input hole for causing a channel and a cladding cavity to be communicated, the cladding cavity is used for causing the cladding material to be extruded onto metal core wire for manufacturing composite metal wires, connection wires which cause the cladding material input hole to be correspondingly connected with a rotation shaft wire of a rotation wheel is tilted, and accordingly, the cladding cavity is positioned on one side of a rod in which the cladding material is fed inside corresponding to the connection line. Thereby, the restraining force which is used for constraining boot blocks to become small.
Description
The present invention relates to a kind of method and apparatus that adopts the continuously extruded device of two-wheeled to make composite metal wire, relate in particular to improvement clad material input hole position optimization.
The device that the continuously extruded device of a kind of employing two-wheeled of routine is made composite metal wire comprises: two relative composite metal wires are extruded the swiveling wheel of direction symmetric arrangement, and the outer circumference surface of each wheel is provided with a groove; One have a camber edge surface be used for the groove on partial closure's swiveling wheel so that form the fixedly boots piece of two passes; A nozzle with holes, metal core wire is passed this hole and is infeeded described device; Two bearings that the position is adjustable, each bearing are pressed in the groove of corresponding swiveling wheel to seal that passage; Adjust bolt for two, every bolts is in order to adjust the contact pressure of the corresponding relatively swiveling wheel of corresponding bearing; Boots seat wherein is provided with a pattern, and this mould is in a side that coats extruding composite metal wire in the chamber, and described coating chamber forms between the nozzle of pattern and links to each other with two passes.
In manufacture process, when two swiveling wheels rotate and when two aluminium bars apply pulling force, these two aluminium bars just are admitted to two passes, the aluminium of plasticating so just is admitted under the control of bearing and coats the chamber, in coating the chamber, the aluminium that the steel wire of sending into from nozzle is plasticated coats, and extrudes from pattern again.
Like this, use the continuously extruded device of two-wheeled to produce the composite metal wire that steel core wire constituted that is coated by the aluminium clad.
In the continuously extruded device of this two-wheeled, will coat the chamber by the clad material input hole and link to each other with passage, wherein the clad material input hole along perpendicular to composite metal wire extrude the direction setting, thereby make on the line of its rotation that is in swiveling wheel.
Make in the device of composite metal wire at another kind of conventional continuously extruded device with two-wheeled, a line that coats the relative swiveling wheel rotation in chamber is arranged at and the relative opposite side that infeeds clad material, and the relative composite metal wire of clad material input hole extrudes direction like this.In addition, the assembly of bearing and nozzle is replaced by the bearing that an inside is provided with nozzle.
But for preceding a kind of conventional equipment that is used to make composite metal wire, owing to support position changes the little adjustment amount deficiency that causes, can not between the groove of swiveling wheel and bearing, form effective seal, when parts owing to this device, former thereby when making above-mentioned situation serious as swiveling wheel scratch, wearing and tearing etc., always there is the defective of the burr layer that is difficult to suppress in this device.In addition, can only change this new base part simply.This will cause some troubles and will be the more fixing charge and discharge operations of bearing of boots piece, position adjustable etc.The defective of parts aspect dimensional accuracy of the composite metal wire of in addition also have to need making, because will the dependence experience harmonize predetermined precision, this need adjust this device for a long time.Also have in addition by swiveling wheel rotation produced to the fixing pulling force of boots seat (horizontal component) is to act directly on to adjust bolt and be used to support defective on the bearing of adjustment bolt, this will require the mechanical strength of rest pad very big.
On the other hand, because the bearing that separates reformed greatly former thereby feasible adjustment to seal contact pressure on the position is easier to, and the size of parts accurately is reduced to a certain degree, and makes that a kind of conventional equipment that adopts the continuously extruded device of two-wheeled to make composite metal wire in back is more practical than preceding a kind of conventional equipment.But still existing the power be used for support carriers must very big defective, this is because the clad material input hole tilts to and infeed the relative survey of clad material rod with respect to the rotation line of swiveling wheel.The defective that also has the price of this device to rise in addition here because fixedly the global shape of boots piece and bearing becomes a big monoblock, and so is divided into two parts for assembling.The result will carry out assembly and disassembly to divided portion, and this just needs long time and skilled workman.
US-5,000,025 discloses a kind of two-wheeled continuous extruder, and it has a mounting structure that is used for die assembly 18 that is driven by pump 66.This mounting structure is beneficial to the assembling and the installation of die assembly 18 on extruder of the die assembly 18 that contains many parts.That is this mounting structure just is used for accurately assembling and installation mold assembly 18, particularly is used for when the extruding body die assembly 18 and axle accurately being located.Therefore, this mounting structure can not be used for adjusting the position of die assembly 18 in extrusion operation.Constraint to die assembly 18 positions in extrusion operation is by frame 26, yet frame 26 can not be adjusted the position of die assembly 18.
The object of the present invention is to provide and a kind ofly make the method and apparatus of composite metal wire, in this pressurizing unit, have in extrusion operation the adjusting device that can adjust with respect to the position of swiveling wheel fixing boots piece with the continuously extruded device of two-wheeled.
Another object of the present invention is to provide a kind of method and apparatus with the continuously extruded device manufacturing of two-wheeled composite metal wire, and in this pressurizing unit, the dimensional accuracy of some parts is lowered.
The present invention also aims to, a kind of method and apparatus with the continuously extruded device manufacturing of two-wheeled composite metal wire is provided, in this pressurizing unit, its operation of assembling and dismantling is simplified.
The continuously extruded device of employing two-wheeled according to the present invention is made the method for composite metal wire, and it may further comprise the steps:
Two swiveling wheels that a no end slot is respectively arranged on its excircle are set;
A fixedly boots piece is set, has two parts on it, in order to form two passes and a pattern that is used to extrude composite metal wire facing to above-mentioned rotation race;
One saddle is set, and this piece has two part and nozzles that are used to infeed metal core wire of being used to seal above-mentioned two passes;
Form two clad material input holes that link to each other with above-mentioned two passes and a coating chamber that comprises pattern and nozzle, this chamber fixedly is being connected with two clad material input holes between a boots piece and the saddle;
With predetermined predetermined above-mentioned two swiveling wheels of opposite spin in speed edge;
Sending into two clad material rods to described two passes is plasticated so that make under its situation in increased pressure, and metal core wire delivered to by nozzle coat the chamber, so that extrude composite metal wire from pattern, described composite metal wire comprises metal core wire and is squeezed in cladding material on the metal core wire according to the modification of plasticating of clad material rod;
Produce the fixedly pulling force and the reaction force that power caused by two swiveling wheels of boots piece, this power equates with the extruding force that rotation produced of two swiveling wheels; The vector of the horizontal component of described pulling force and the horizontal component of described reaction force is reverse;
It is characterized in that,
An adjusting device is set described fixedly boots piece is adjusted to respect to the intended orientation of described swiveling wheel puts, described adjusting device is arranged to resist making a concerted effort of above-mentioned two horizontal components;
The described step that an adjusting device is set comprises with bolt a rest pad is screwed on the fixing boots piece to resist making a concerted effort of described two horizontal components.
In the method for the invention, the step of two clad material input holes of above-mentioned formation comprises is arranged to described two clad material input holes that the direction of rotation with two swiveling wheels is opposite respectively, tilts 10 ° to 40 ° with respect to the line of the rotation of described two swiveling wheels.
The continuously extruded device of employing two-wheeled according to the present invention is made the device of composite metal wire, and it comprises:
Extrude the swiveling wheel of symmetric arrangement on the direction at composite metal wire for two, outer circumference surface of each wheel is provided with no end slot;
A fixing boots piece, which is provided with respectively facing to two grooves of two swiveling wheels in order to form two parts of two passes; With a pattern that is used to extrude composite metal wire, described two passes envelopes the material bar that infeeds wherein;
One saddle which is provided with two parts and a nozzle that is used to infeed metal core wire of being used to seal two passes;
A coating chamber that holds described nozzle and described pattern;
Be located at the clad material input hole in order to two passes is communicated with the coating chamber that comprises nozzle and pattern between a fixing boots piece and the saddle for two;
It is characterized in that,
Two clad material input holes, the tilting with 10 ° to 40 ° angle continuously of two swiveling wheel rotations of relative connection on the direction opposite with the direction of rotation of described two swiveling wheels, and the position of described adjusting device is arranged in one and extrudes on the relative direction of direction with described composite metal wire and to state fixedly boots piece against the residence.
Described adjusting device comprises that a rest pad is used for described fixedly boots piece is constrained in the described allocation that gives, and the bolt on described rest pad is used to described fixedly boots piece that described adjustment is provided.
Because method and apparatus of the present invention can be in extrusion operation be adjusted pressurizing unit with respect to the position of swiveling wheel to fixing boots piece, thus the energy high efficiency, low cost produce qualified product and be better than prior art.
Further describe the present invention below in conjunction with accompanying drawing, wherein:
Fig. 1 adopts the continuously extruded device of two-wheeled for expression and makes the sectional elevation of first kind of conventional equipment of composite metal wire;
Fig. 2 represents to adopt the continuously extruded device of two-wheeled to make the sectional elevation of second kind of conventional equipment of composite metal wire;
Fig. 3 represents to adopt the continuously extruded device of the two-wheeled of the preferred embodiment of the present invention to make the sectional elevation of the device of composite metal wire;
Fig. 4 represents to use the continuously extruded device of two-wheeled to make the sectional elevation of major part of amplification of this preferred embodiment of composite metal wire;
Fig. 5 A to 5D represents to act on the polar plot of each power in this preferred embodiment that adopts the continuously extruded device of two-wheeled to make composite metal wire;
The curve map of Fig. 6 for concerning between all power in the angle of expression clad material input hole and this preferred embodiment, described device adopts two-wheeled pressurizing unit manufacturing composite metal wire.
Before explaining that the continuously extruded device of the two-wheeled that adopts the preferred embodiment of the present invention is made the device of composite metal wire, the continuously extruded device of describing earlier among Fig. 1 and 2 of two-wheeled that utilizes is made the aforementioned conventional equipment of composite metal wire.
Fig. 1 represents first kind of conventional equipment, and this device adopts the continuously extruded device of two-wheeled to make composite metal wire, comprising the swiveling wheel 10a and the 10b that are provided with groove 11a and 11b on its excircle; A fixedly boots piece 12 that has mould 13 is set, so that form passage along the groove 11a of swiveling wheel 10a and 10b and the part of 11b, bearing 14a and 14b are used for the described passage of pressure shutoff according to rotation race 11a and 11b; Nozzle 15 is used to infeed a strip metal heart yearn 20; Back-up block 17 is used for to bearing 14a and 14b location; And bolt 16a and 16b are used to regulate the position of bearing 14a and 14b.In this device, clad material input hole 18a and 18b and coating chamber 19 all are set in fixedly between the boots piece 12 and nozzle 15, and they all are on the line L of rotation of connection swiveling wheel 10a and 10b like this.
In the process of making composite metal wire 22, (for example: aluminium) 21a and 21b deliver to by passage and clad material input hole 18a and 18b along rotation race 11a and 11b and coat chamber 19 with the clad material rod, in this chamber with pressure with the clad material of plasticating be pressed in metal core wire (for example: 20 outer surface steel) so that from mould 18, extrude composite metal wire 22.In this device, bearing 14a and 14b are regulated in the displacement that the direction of pushing and return is produced bearing 14a and 14b according to bolt 16a and 16b the seal contact pressure of rotation race 11a and 11b inside.
Fig. 2 represents second kind of conventional equipment, and this device utilizes the continuously extruded device of two-wheeled to make composite metal wire, wherein adopts the numbering identical with Fig. 1 to represent with the similar parts of Fig. 1.
In this device, the continuous L cant angle theta angle of the input hole 18a of clad material and 18b relative rotation axi line, like this, line L coats chamber 19 and is in the relative side that infeeds clad material rod 21a and 21b relatively.In addition, form nozzle 15 by bearing 23, bearing 23 horizontal displacement in various degree not only can be adjusted horizontal pressure force like this, and can adjust pressure at right angle.
But, can cause above-mentioned defective according to this first and second conventional equipments that utilize the continuously extruded device of two-wheeled to make composite metal wire.
To set forth below and adopt the device of the continuously extruded device manufacturing of two-wheeled composite metal wire according to the preferred embodiment of the invention among Fig. 3, wherein, be represented as employed identical numbering among Fig. 1 and 2 for identical parts employing.
In this preferred embodiment, clad material input hole 18a and 18b for the line L of swiveling wheel axis with opposite direction cant angle theta angle shown in Figure 2, coat chamber 19 like this and just be in the same side that infeeds clad metal rod 21a and 21b with respect to line L.In addition, back-up block 17 is set so that adjust the fixedly position of boots piece 25, and heat-resisting alloy ring 26a and 26b are set on the inner surface of clad metal input hole 18a and 18b with bolt 16a and 16b.Boots piece 25 and back-up block 24 be a monoblock preferably.
To set forth below and adopt the two-wheeled continuous extrusion apparatus to make suffered various power on all parts of device of this composite metal wire 22.Represented a rotation among Fig. 4, on direction vector, drawn the fixedly tensile force f of boots piece 25 according to swiveling wheel 10a
1And the reaction force F that produced of a power (extruding force) by swiveling wheel 10a
2
Power F has been described in Fig. 5 A to 5D
1And F
2And limit the fixedly restraining force F of boots piece 25
0, wherein each vector is gone up to just in the opposite direction with the side of extruding, and is extruding on the direction to negative.
Restraining force F
0Size equal tensile force f
1Horizontal component f
1With reaction force F
2Horizontal component f
2The size of making a concerted effort, direction is then opposite with this resultant direction.If suppose tensile force f
1With reaction force F
2Has the vector shown in Fig. 5 A and 5B, then restraining force F
0Will for the negative value shown in Fig. 5 C or shown in Fig. 5 D on the occasion of.
Fig. 6 represents the power F that acts in the horizontal direction with respect to the θ angle, and the θ angle is limited by the relation between the relative line L of clad metal input hole 18a.Wherein power F is extruding on the direction to just, and the θ angle is in the counterclockwise direction for just, and like this, the θ angle is for negative in a preferred embodiment.
From curve shown in Fig. 6 as can be known, tensile force f
1Horizontal component f
1Direction always on positive direction and irrelevant with the size of the qualification angle θ of clad metal input hole 18a, its size is being maximum near the θ angle for the zero degree place then; Reaction force F
2Horizontal component f
2Be approximately negative value at the θ angle in for negative zone, at the θ angle be in the positive zone on the occasion of, and its absolute value is directly proportional with the absolute value at θ angle in respectively should the zone.
Be horizontal component f
1And f
2The restraining force F that makes a concerted effort
0At predetermined negative θ c angle place is 0, and negative one to survey this power be negative value at θ c angle, survey this power at positive one of θ c angle and be on the occasion of.Worse, restraining force F
0Along with the θ angle on positive direction increase and become big.For this reason, in a preferred embodiment the θ angle being elected as approximately is θ c, so just makes restraining force F
0Become O or relatively little value, so that can little external force make fixedly boots piece 25 generation displacements.Certainly, this also can easily carry out small position adjustment.When the θ angle be in angle θ c minus side, should make a concerted effort for negative and restraining force F
0Be timing, can utilize like this along the external force of extruding the opposite directive effect of direction and finish the fixedly position adjustment of boots piece 25.
When making by the formed composite metal wire 22 of metallized aluminum clad on steel core wire 20 21, in first example, suppose that the θ angle is-25 °, promptly clad material input hole 18a tilts 25 ° at the relative line L of a side of supply clad material rod 21a and 21b with 18b.The restraining force F that records in the case
0About 5 tons.On the other hand, the restraining force F in conventional equipment as shown in Figure 1
0Be 40 tons, each needs 20 tons its bearing 14a and 14b.By these measured restraining force F
0Comparison can obviously find out, in the present invention, restraining force F
0Reduced widely.
When the absolute value of negative angle θ during greater than the absolute value of above-mentioned specific angle, tensile force f
1Horizontal component f
1Always less than reaction force F
2Horizontal component f
2, required like this restraining force F
0Always with to extrude direction opposite.Consequently, need not restraint device, and be used to retrain the side of extruding that the fixing supporting device of boots piece 25 (this piece can be one with bearing 24) also only need be arranged at composite metal wire 22 in the side that infeeds of metal core wire 20.Like this, the position adjustment and the bearing 24 of boots piece 25 become very easy at the groove 11a of swiveling wheel 10a and 10b and the pressure adjustment on the 11b with making fixedly.
In this preferred embodiment; on the inner surface of clad material input hole 18a and 18b, be provided with heat-resisting alloy ring 26a and 26b; so both can protect it to avoid wearing and tearing and by the caused damage of high temperature, this high temperature be since clad material rod 21a and 21b swiveling wheel 10a and 10b with fixedly grind in the passage of formation between the boots piece 25 produce.Heat-resisting alloy ring 26a and 26b can be made by lnconel (trade mark), and lnconel is a kind of Refractoloy.
In the present invention, composite metal wire is transformable at material and configuration aspects.For example, a kind of metal core wire can be a kind of line with the metal wire of axial hole, a kind of multi cord, a kind of trough of belt, a kind of by line that continuous or discontinuous insulator insulated or the like.
As second example of preferred embodiment; To-15 ° of of the angle θ of clad material input hole 18a and 18b is arranged; By hole 18a and 18b aluminium is sent into and coated chamber 19; To make a kind of composite metal wire 22 with steel wire 20 and aluminium clad 21. adopt following parameters in this case: parameter example 1 example 2 swiveling wheel external diameter φ 440mm φ 440mm aluminium coat the limit 95% 93% that village charge bar diameter phi 9.5mm φ 9.5mm steel core wire diameter phi 6.6mm φ 2.1mm aluminium coats 400 ℃ 400 ℃ steel core wire fronts of recombination line diameter phi 7.6mm φ 3.4mm aluminium coating thickness 0.5mm 0.65mm swiveling wheel revolution 7.3rpm 5.5rpm steel core wire preheat temperature pulling force 2000Kg 350Kg clad material aluminium
Can obviously find out from above form, infeed coat chamber 19 before earlier to the steel core wire preheating, and steel core wire sent into by the front pulling force, for example, sent into by a pulling force that reel produced.Described reel is located at followed by the place behind the two-wheeled continuous extrusion apparatus.
Therefore, the limit of aluminium clad material is 95% in example 1, is 93% in the example 2.This means that this limit is in the present invention compared with the sort of conventional equipment shown in Fig. 1---its limit is approximately 80-85%---and improved widely.
In the distortion of as shown in Figure 3 device, a saddle 24 can have individual mould, the boots piece can have individual nozzle, extrudes direction so just conversely.
Though according to specific embodiments to the present invention set forth in the hope of complete, clearly disclosed, therefore claims are not defined, but all distortion that formation is comprised and the structure of variation, these variations can be achieved by the technical field of a those of ordinary skill on the basis that all falls into aforementioned instruction.
Claims (3)
1. method that adopts the continuously extruded device of two-wheeled to make composite metal wire, it may further comprise the steps:
Two swiveling wheels that a no end slot is respectively arranged on its excircle are set;
A fixedly boots piece is set, has two parts on it, in order to form two passes and a pattern that is used to extrude composite metal wire facing to above-mentioned rotation race;
One saddle is set, and this piece has two part and nozzles that are used to infeed metal core wire of being used to seal above-mentioned two passes;
Form two clad material input holes that link to each other with above-mentioned two passes and a coating chamber that comprises pattern and nozzle, this chamber fixedly is being connected with two clad material input holes between a boots piece and the saddle;
With predetermined predetermined above-mentioned two swiveling wheels of opposite spin in speed edge;
Sending into two clad material rods to described two passes is plasticated so that make under its situation in increased pressure, and metal core wire delivered to by nozzle coat the chamber, so that extrude composite metal wire from pattern, described composite metal wire comprises metal core wire and is squeezed in cladding material on the metal core wire according to the modification of plasticating of clad material rod;
Produce the fixedly pulling force and the reaction force that power caused by two swiveling wheels of boots piece, this power equates with the extruding force that rotation produced of two swiveling wheels; The vector of the horizontal component of described pulling force and the horizontal component of described reaction force is reverse;
It is characterized in that,
An adjusting device is set described fixedly boots piece is adjusted to precalculated position with respect to described swiveling wheel, described adjusting device is arranged to resist making a concerted effort of above-mentioned two horizontal components;
The described step that an adjusting device is set comprises with bolt a rest pad is screwed on the fixing boots piece to resist making a concerted effort of described two horizontal components.
2. the continuously extruded device of employing two-wheeled as claimed in claim 1 is made the method for composite metal wire, it is characterized in that,
The step of two clad material input holes of above-mentioned formation comprises is arranged to described two clad material input holes that the direction of rotation with two swiveling wheels is opposite respectively, tilts 10 ° to 40 ° with respect to the line of the rotation of described two swiveling wheels.
3. device that adopts the continuously extruded device of two-wheeled to make composite metal wire, it comprises:
Extrude the swiveling wheel of symmetric arrangement on the direction at composite metal wire for two, outer circumference surface of each wheel is provided with no end slot;
A fixing boots piece, which is provided with respectively facing to two grooves of two swiveling wheels in order to form two parts of two passes; With a pattern that is used to extrude composite metal wire, described two passes envelopes the material bar that infeeds wherein;
One saddle which is provided with two parts and a nozzle that is used to infeed metal core wire of being used to seal two passes;
A coating chamber that holds described nozzle and described pattern;
Be located at the clad material input hole in order to two passes is communicated with the coating chamber that comprises nozzle and pattern between a fixing boots piece and the saddle for two;
It is characterized in that, the line of two clad material input holes, two swiveling wheel rotations of relative connection on the direction opposite with the direction of rotation of described two swiveling wheels tilts with 10 ° to 40 ° angle, and the position of described adjusting device is arranged in one and extrudes on the relative direction of direction with described composite metal wire and to state fixedly boots piece against the residence;
Described adjusting device comprises that a rest pad is used for described fixedly boots piece is constrained in the described allocation that gives, and the bolt on described rest pad is used to described fixedly boots piece that described adjustment is provided.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP92310631A EP0598953B1 (en) | 1992-11-20 | 1992-11-20 | Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus |
| US07/978,932 US5335527A (en) | 1992-11-20 | 1992-11-20 | Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus |
| CN92114575A CN1039680C (en) | 1992-11-25 | 1992-11-25 | Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92114575A CN1039680C (en) | 1992-11-25 | 1992-11-25 | Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1087297A CN1087297A (en) | 1994-06-01 |
| CN1039680C true CN1039680C (en) | 1998-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92114575A Expired - Fee Related CN1039680C (en) | 1992-11-20 | 1992-11-25 | Method and apparatus for manufacturing a composite metal wire by using a two wheel type continuous extrusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039680C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077462C (en) * | 1997-01-14 | 2002-01-09 | 昆明理工大学 | Continuous production process of multi-layer composite metal pipe, bar and wire |
| CN101992278B (en) * | 2010-11-26 | 2012-10-31 | 昆明理工大学 | Spray deposition region fluid type controller matched with continuous extruder |
| WO2012119196A1 (en) * | 2011-03-10 | 2012-09-13 | Commonwealth Scientific And Industrial Research Organisation | Extrusion of high temperature formable non-ferrous metals |
| CN102248022B (en) * | 2011-06-14 | 2014-05-14 | 西安交通大学 | Process for manufacturing bimetal thin-wall composite pipe |
| CN103438117B (en) * | 2013-08-09 | 2016-08-10 | 浙江吉利汽车研究院有限公司 | A kind of lock unit for vehicle gear box |
| CN105689425B (en) * | 2016-01-28 | 2017-11-14 | 广东省材料与加工研究所 | A kind of building mortion and method of metallic cover wire rod |
| CN106670257A (en) * | 2017-01-09 | 2017-05-17 | 常州齐丰连续挤压设备有限公司 | Production equipment for zinc-aluminum composite wires and production method thereof |
| CN117920779B (en) * | 2024-03-21 | 2024-05-17 | 常州艾邦机械科技有限公司 | Double-rod cladding structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774825A (en) * | 1984-12-10 | 1988-10-04 | N.V. Bekaert S.A. | Method for cladding a wire-shaped steel element with an aluminum coating, as well as aluminum-coated wire-shaped steel element |
| US5000025A (en) * | 1990-04-30 | 1991-03-19 | Brazeway, Inc. | Extrusion machinery |
-
1992
- 1992-11-25 CN CN92114575A patent/CN1039680C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4774825A (en) * | 1984-12-10 | 1988-10-04 | N.V. Bekaert S.A. | Method for cladding a wire-shaped steel element with an aluminum coating, as well as aluminum-coated wire-shaped steel element |
| US5000025A (en) * | 1990-04-30 | 1991-03-19 | Brazeway, Inc. | Extrusion machinery |
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| CN1087297A (en) | 1994-06-01 |
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