CN101333676A - Bearing ball at end of tungsten wire rope and forming process - Google Patents
Bearing ball at end of tungsten wire rope and forming process Download PDFInfo
- Publication number
- CN101333676A CN101333676A CNA2008101506208A CN200810150620A CN101333676A CN 101333676 A CN101333676 A CN 101333676A CN A2008101506208 A CNA2008101506208 A CN A2008101506208A CN 200810150620 A CN200810150620 A CN 200810150620A CN 101333676 A CN101333676 A CN 101333676A
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- tantalum
- niobium
- bearing ball
- wire rope
- tungsten wire
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Abstract
The invention relates to a bearing ball at the end of the tungsten wire rope, belonging to the technical field of crystal growth equipment, which is characterized in that metal niobium or tantalum or alloy material using the niobium and the tantalum as the substrate is adopted to form a bearing body like a ball. The forming process of the bearing ball at the end of the tungsten wire rope is characterized in that by the metal plastic deformation of the niobium or the tantalum or the alloy material using the niobium and the tantalum as the substrate, the niobium or the tantalum or the alloy material using the niobium and the tantalum as the substrate is extruded to be molded on the premise that elastic deformation is not produced. As the metal niobium or tantalum or the alloy material using the niobium and the tantalum as the substrate, which has high melting point, is used as the material of the bearing ball, the bearing ball can fully meet the requirement that the head of the bearing ball is not deformed if heated when the bearing ball works under 1500 DEG C in the single crystal furnace; good plastic deformation facilitates the bearing ball to be extruded to be molded without damaging the properties of the tungsten wire rope; and the binding force of the bearing body and the tungsten wire rope meets the tension requirement of lifting and pulling the single crystal silicon rod, so the service life is prolonged plural times than that of the wire rope.
Description
Technical field
The invention belongs to the crystal growth equipment technical field, the off-set facility when particularly " single crystal growing furnace " uses.
Background technology
Along with IC industry and photovoltaic industry to the highly purified continuous requirement of starting material silicon single crystal, reached the standard of 9N level semiconductor level, therefore, major equipment-single crystal growing furnace and furnace inner environment when the preparation silicon single crystal rod have also proposed strict standard, and the technology of the handle system of silicon single crystal rod and material lag behind and highlighted in the stove.
For a long time, the single crystal growing furnace handle system is selected wireline for use, but at present in order to improve silicon single crystal purity and work-ing life, and will " magnetic field be arranged " and implant in the single crystal growing furnace, and traditional wireline just can not be applied in the magnetic field (cause finished product single crystal rod crystallographic direction not parallel) and the rich Fe of wireline and high C content, also cause exceeding standard of silicon single crystal major impurity, have a strong impact on requirement of high purity.
Analyze from the use of single crystal growing furnace growing crystal, use temperature is about 1500 ℃, by seed chuck and weight heat fade, silk end head temperature is also up to more than 1000 ℃, with " single crystal rod " constantly growth, 6 inches single crystal rod deadweights can reach 50-75KG, 8 inches 100-120KG that weigh certainly,, now, 18 inches single crystal rod also begin to enter batch process, and deadweight will reach more than the 400KG.Pulling force to the silk rope has also proposed higher requirement like this; Adding interior ground of single crystal growing furnace working temperature is 1500 ℃, and the work-ing life of wireline, also difficulty satisfied customer requirements; If in the crystal pulling process, wireline interrupts suddenly, can cause and collapse a pot phenomenon, more than the direct economic loss hundreds of thousands of unit.
So, high strength, high-tensile strength, nonmagnetic, high temperature resistant at " handle system " rope, good technical requirementss such as verticality, unremitting effort through developed countries, the high-tech product of " tungsten filament rope " this special material is successively all developed in the U.S., Japan, Taiwan, the domestic restriction that is subjected to material technology, it is self-produced personal still to be unrealized.
The tungsten filament rope is a significant components that is used for handle system in the single crystal growing furnace, the single crystal rod of present 6-8 inch, the diameter that uses the tungsten filament rope is between ￠ 1.7-￠ 1.8,532 in tungsten filament by individual thread footpath ￠ 0.05 is formed, require at one end to add a diameter ball that is ￠ 4.9-0.1, this ball will carry more than 1.5 times of single crystal rod maximum weight 90KG.
The head ball of wireline is to pile up moulding with the material of head of fusing wireline own, and tungsten recrystallize after fusing, intensity own descends rapidly, and molten certainly spheroid shows two kinds of different physicalies with the silk rope, be no more than 5kg in conjunction with pulling force between the two, do not reach service requirements at all.Thereby become the key that substitutes stainless steel wire rope with the tungsten filament rope.Present most of carrier of head ball that adopts stainless steel wire rope in the tungsten filament rope, still, this also can bring a large amount of negative impacts.
Summary of the invention
The object of the invention provides a kind of bearing ball at end of tungsten wire rope and manufacturing process, to solve a bearing ball at end of tungsten wire rope processing technology difficult problem.
Technical scheme: bearing ball at end of tungsten wire rope, it adopts metal niobium or tantalum or is the alloy material of base material becomes spheroidal at tungsten filament end capitiform the carrier that is subjected to niobium, tantalum.
The forming technology of described bearing ball at end of tungsten wire rope is to utilize niobium or tantalum or be the Plastic Deformation modification of the alloy material of base material with niobium, tantalum, not producing on the basis that elastic type becomes, carries out hot and cold extrusion process moulding.
With a mould extruding niobium with spherical shaping inner chamber or tantalum or with niobium, tantalum is the alloy material of base material, becomes the carrier that is subjected to of spheroidal at tungsten filament end capitiform.
Described bearing ball at end of tungsten wire rope forming technology, it is realized according to following steps:
(1) comprise upper die and lower die at one, and the sphere shaping inner chamber that is shaped on the extrusion mould of spherical shaping inner chamber and tungsten filament rope passage or title " spillway " in the middle of the upper die and lower die is placed sizeable niobium or tantalum or be the alloy material of base material with niobium or tantalum;
(2) tungsten filament rope fag end is put in the tungsten filament rope passage of people's extrusion mould, upper die and lower die are merged the back push by pressing machine.
Beneficial effect of the present invention: adopt high-melting point metal niobium or tantalum or be that the alloy material of base material is as the bearing ball material with niobium or tantalum, satisfy the be not heated requirement of modification of about 1200 ℃ of single crystal growing furnaces even higher working temperature carrying bulb fully, good plastic deformation performance, be easy to mechanical presses and be shaped, and do not damage the performance of tungsten filament rope itself.Simultaneously, the nonmagnetic high temperature of this class material of niobium tantalum is qualitative, all helps the requirement of the working conditions of silicon single crystal rod growth.
Description of drawings
Fig. 1 is tungsten filament rope and bearing ball synoptic diagram.
Fig. 2 is a structure of extrusion synoptic diagram of the present invention.
Fig. 3 is an extrusion mould sectional structure synoptic diagram of the present invention.
Embodiment
As shown in Figure 1, bearing ball at end of tungsten wire rope, adopt metal niobium or tantalum or with niobium, tantalum be the alloy material of base material form spheroidal in tungsten filament rope 1 termination be subjected to carrier 2.
Shown in Fig. 2,3, described bearing ball at end of tungsten wire rope forming technology, it is to realize according to following steps:
(1) comprise patrix 3 and counterdie 4 at one, and the sphere shaping inner chambers 5 that are shaped on the extrusion mould of spherical shaping inner chamber 5 and tungsten filament rope passage 6 in the middle of patrix 3 and the counterdie 4 is placed sizeable niobiums or tantalum or be the alloy material of base material with niobium, tantalum;
(2) tungsten filament rope 1 fag end is put into the tungsten filament rope passage 6 of extrusion mould, will patrix 3 and counterdie 4 merge the back and push by pressing machine.
Structure of extrusion of the present invention is an extrusion mould shown in Fig. 2,3, adopts general press device to finish according to existing extrusion process.
Claims (4)
1, bearing ball at end of tungsten wire rope, it is characterized in that adopting refractory metal niobium or tantalum or with niobium, tantalum be the alloy material of base material form spheroidal in tungsten filament rope (1) termination be subjected to carrier (2).
2, the forming technology of bearing ball at end of tungsten wire rope as claimed in claim 1 is characterized in that utilizing niobium or tantalum or is the Plastic Deformation modification of the alloy material of base material with niobium, tantalum, not producing on the basis that elastic type becomes, carries out extrusion process and is shaped.
3, bearing ball at end of tungsten wire rope forming technology according to claim 2 is characterized in that with a mould extruding niobium with spherical shaping inner chamber or tantalum or is the alloy material of base material with niobium, tantalum, becomes the carrier that is subjected to of spheroidal at tungsten filament end capitiform.
4, according to claim 2 or 3 described bearing ball at end of tungsten wire rope forming technologies, it is characterized in that realizing according to following steps:
(1) comprises patrix (3) and counterdie (4) at one, and be shaped on sphere shaping inner chamber (5) the sizeable niobium of placement of extrusion mould of spherical shaping inner chamber (5) and tungsten filament rope passage (spillway) (6) or tantalum in the middle of patrix (3) and the counterdie (4) or be the alloy material of base material with niobium, tantalum;
(2) tungsten filament rope (1) fag end is put into the tungsten filament rope passage (6) of extrusion mould, will patrix (3) and counterdie (4) merge the back and push by pressing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101506208A CN101333676B (en) | 2008-08-02 | 2008-08-02 | Bearing ball at end of tungsten wire rope and forming process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101506208A CN101333676B (en) | 2008-08-02 | 2008-08-02 | Bearing ball at end of tungsten wire rope and forming process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101333676A true CN101333676A (en) | 2008-12-31 |
| CN101333676B CN101333676B (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101506208A Active CN101333676B (en) | 2008-08-02 | 2008-08-02 | Bearing ball at end of tungsten wire rope and forming process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046408A (en) * | 2012-12-21 | 2013-04-17 | 符志椿 | Preparation process of tungsten wire rope |
| CN103290467A (en) * | 2012-02-24 | 2013-09-11 | 宁夏日晶新能源装备股份有限公司 | Water-cooled jacket structure of single crystal furnace |
| CN112170670A (en) * | 2020-09-18 | 2021-01-05 | 中国航发沈阳黎明航空发动机有限责任公司 | Cold extrusion forming method for throttle steel cable with two ends provided with ball heads |
-
2008
- 2008-08-02 CN CN2008101506208A patent/CN101333676B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290467A (en) * | 2012-02-24 | 2013-09-11 | 宁夏日晶新能源装备股份有限公司 | Water-cooled jacket structure of single crystal furnace |
| CN103290467B (en) * | 2012-02-24 | 2016-04-13 | 宁夏盈谷实业股份有限公司 | Single crystal growing furnace water jacket structure |
| CN103046408A (en) * | 2012-12-21 | 2013-04-17 | 符志椿 | Preparation process of tungsten wire rope |
| CN112170670A (en) * | 2020-09-18 | 2021-01-05 | 中国航发沈阳黎明航空发动机有限责任公司 | Cold extrusion forming method for throttle steel cable with two ends provided with ball heads |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101333676B (en) | 2011-02-16 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20081231 Assignee: Baoji universal non ferrous metal processing Co., Ltd. Assignor: Fu Zhichun Contract record no.: 2013610000002 Denomination of invention: Bearing ball at end of tungsten wire rope and forming process Granted publication date: 20110216 License type: Exclusive License Record date: 20130121 |
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Effective date of registration: 20160907 Address after: 721300 science and Technology Industrial Park, Chencang District, Shaanxi, Baoji Patentee after: Baoji universal non ferrous metal processing Co., Ltd. Address before: Baoji City, Shaanxi province 721006 Torch Road Development Zone No. 2 Building No. 1706. Patentee before: Fu Zhichun |