CN103008384B - Processing technique for manufacturing textile lead alloy wires by lead alloy bars - Google Patents
Processing technique for manufacturing textile lead alloy wires by lead alloy bars Download PDFInfo
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- CN103008384B CN103008384B CN201210483757.1A CN201210483757A CN103008384B CN 103008384 B CN103008384 B CN 103008384B CN 201210483757 A CN201210483757 A CN 201210483757A CN 103008384 B CN103008384 B CN 103008384B
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Abstract
The invention discloses a processing technique for manufacturing textile lead alloy wires by lead alloy bars, relating to the field of nuclear radiation prevention technology, in particular to processing technique of protective clothes. According to the processing technique, a lead alloy bar is clamped on a lathe, a cutter with a middle hole at the front end is arranged on a cutter holder of the lathe, and the lead alloy is reversely rotated and extruded from the middle hole of the cutter so as to form continuous lead alloy wires. Since the front end of the middle hole of the cutter is in contact with the surface of the lead alloy bar, when the lead alloy bar reversely rotates under the working state of the lathe, the contact friction of the lead alloy bar and the lathe can increase the surface temperature of the lead alloy bar, the alloy is heated and slightly melted and softened, the softened alloy is extruded from the middle hole of the cutter, the diameter of the middle hole can be designed to be small enough, so that the lead alloy wires with the diameter of smaller than 1mm can be processed. The processing technique is high in production efficiency, low in cost, small in occupied area for production, and capable of meeting the textile processing demand, thus providing conditions for producing lead alloy textile fabrics.
Description
Technical field
The present invention relates to field of nuclear radiation prevention technology, particularly relate to the production technology of protective clothes.
Background technology
The current material for Antiradiation biological shielding and goods mainly contain following four classes.One class is plumbous based on general industry, the gapless metallic monolith stereotype, lead brick, sheet lead concrete etc. of roll extrusion or moulding by casting; Equations of The Second Kind is based on lead powder, and rubber, polyethylene foam etc. mix the flexible article and coating, adhesive etc. that are composited as base-material; 3rd class is using gapless metallic monolith sheet lead as heart, the coated crosslinked foaming material of ectonexine and the continuous synthetic fibre material product of synthetic rubber; 4th class makes the light-weight high-strength materials such as cenosphere with heavy metals such as lead.
Facts have proved, although stereotype, sheet lead goods Antiradiation effect are better, when building shielding harness, use amount is large, and it is large to build difficulty, inefficiency, and produce waste material many, potential risk is large; And stereotype goods conformal performance is poor, can not bend, be not suitable for the shielding of the special-shaped such as pipeline, valve equipment, careless manipulation easily drops and hurts sb.'s feelings or damage equipment.And lead powder and rubber, polyethylene foam-material mix the goods, coating and the adhesive that are composited, though have certain flexibility, but because lead powder particle easily gathers, be difficult to be mixed evenly in base-material, therefore shielding properties is uneven, and lead equivalent is low, rubber and polyethylene etc. are easily aging, affects shield effectiveness, brings by the danger of radiation to staff.The plumbous cenosphere light-weight high-strength material waiting heavy metal to make, though Antiradiation performance is excellent, cost is high, cost large, is generally used for nuclear rocket engine anti-nuclear radiation and leaks.
Traditional protective clothes and plumbous clothing are stereotype, the sheet leads that clipping is thick and heavy in fabric, taking extreme difference, and after long-time use, produce tenesmus, Antiradiation impaired performance, service life is short.
Thus, people attempt research can substitute thick and heavy stereotype, sheet lead with galvanized wire, makes the sandwich layer of chip protective clothes, then can overcome the defect of above prior art.In order to process light, thin type protective clothes, people have employed and first produce metal silk, then metal silk is carried out woven production fabric on Weaving device, then form plumbous clothing inner core by cutting, welding.
Inventor has proposed a kind of galvanized wire production alloy bar with certain extensibility and intensity before the application, this alloy bar gross mass is at lead content >=99.78%, copper content is 0.002 ~ 0.003%, W content is 0.002 ~ 0.003%, antimony content≤0.0001%, cadmium content≤0.0003%, bi content≤0.005%.
Alloy bar can form the lead metal silk of arbitrary continuation length through further processing, its controlled diameter scope at 0.001mm ~ 1.0mm, tensile strength>=6-14kgf/mm
2, to meet the demand of longitude and latitude knitting forming.Lead equivalent improves 25% and adjustable extent is large, and shield effectiveness improves 42%, and radiation work field maintenance person is by shining time decreased 50%.Owing to having good physical-mechanical properties (toughness, heat endurance, corrosion resistance etc.), therefore to χ, gamma-rays adsorptivity and not easily penetrability significantly improve, the sandwich layer of swaging slabbing shielding goods is also prolonged by braiding, minimizing technology waste material 60%, save material 50%, economize energy 30%.Under the prerequisite not reducing radiation proof function, make plumbous clothing or lead shield with material save, weight saving.
The shredding process of usual metal is: after raw material being put into the boiler fusing of heating, more together one genuinely carries out drawing-off by wire-drawing equipment, forms more and more thinner wire.But high owing to adopting cost in this way, occupation area of equipment is large, and the diameter of finished metal silk is greater than 1mm, looming weaving can not be used for and forms weaving anti-nuclear radiation clothing.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, processing technology metal rod being made the metal silk of weaving that a kind of production efficiency is high, one-tenth filament diameter is less than 1mm is provided.
Technical solution of the present invention is: be held on lathe by metal rod, the knife rest of lathe arranges the cutter that front end has mesopore, rotates backward metal rod, metal is extruded from the mesopore of cutter and forms continuous print metal silk.
Front end due to cutter mesopore of the present invention is contacted with the surface of metal rod, when metal rod to rotate backward down lathe is in running order, therefore, both make the surface temperature of metal rod heat up at contact friction, alloy is made to be subject to Wen Erwei molten softening, softening alloy then has mesopore from cutter and is extruded, and the diameter due to mesopore can design enough little, so can form the metal silk that diameter is less than 1mm.
Production efficiency of the present invention is high, and cost is low, takies that to produce area few, it is crucial that can form the metal silk that diameter is less than 1mm, to meet the needs weaving processing, provides condition for producing metal weaving face fabric.
When described processing technology, rubbed by the metal rod surface contact of described cutter and rotation, make the surface temperature of metal rod reach 120 ~ 180 DEG C, then extrude metal silk.
Due to the present invention adopt metal rod composition caused by, when making the surface temperature of metal rod reach 120 ~ 180 DEG C, continuous print metal silk can be formed.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of cutter of the present invention.
Fig. 2 is the A direction view of Fig. 1.
Fig. 3 is the B direction view of Fig. 1.
Detailed description of the invention
One, the processing of cutter:
As shown in Figure 1, 2, 3, for the cutter of aluminium alloy bars filament forming device, comprise the cutter body 1 of cuboid, the middle part of cutter body 1 arranges two installing holes 6, the back side of cutter body 1 two arc binding faces 2 are set and two go out waste material face 3, the angle of the cutter body 1 at each binding face 2 place arranges extrusion cavities 4 respectively, two binding faces, 2, two extrusion cavities 4 are separately positioned on one group of diagonal angle of cutter body 1, on the side of the cutter body 1 of each extrusion cavities 4 side, setting is dodged 5, two, face and is dodged the both sides, front and back that face 5 is separately positioned on cutter body 1 respectively.
An extrusion cavities diameter of above-mentioned extrusion cavities 4 is 1mm, and an extrusion cavities diameter of another extrusion cavities 4 is 1.20mm.
Two, production process:
1, first open lathe, checkout facility works well.
2, be fixed on lathe by one end of metal rod by the fixture on the headstock, top on other end tailstock holds out against.
3, metal rod reversion, available above-mentioned extrusion cavities diameter is that metal rod appearance is removed the peel by the cutter front end of 1mm, makes any surface finish.According to the size of the wire diameter of required formation, select suitable feed and cutting depth, the expression temperature realizing metal rod reaches 120 ~ 180 DEG C, the face of dodging of cutter can prevent cutter from encountering metal rod, cutter and metal rod can be fitted by binding face better, and waste material can fall down from going out waste material face.Carry out extruding processing with cutter.Can extrude continuous print diameter from extrusion cavities is 0.80mm B alloy wire.
Claims (1)
1. metal rod is made the processing technology of the metal silk of weaving for one kind, it is characterized in that: metal rod is held on lathe, the knife rest of lathe arranges the cutter that front end has mesopore, rotate backward metal rod, metal is extruded from the mesopore of cutter, forms the metal silk that diameter is less than 1mm; When described processing technology, rubbed by the metal rod surface contact of described cutter and rotation, make the surface temperature of metal rod reach 120 ~ 180 DEG C, then extrude metal silk; Described cutter comprises the cutter body of cuboid, the middle part of cutter body arranges two installing holes, the back side of cutter body two arc binding faces are set and two go out waste material face, the angle of the cutter body at each binding face place arranges extrusion cavities respectively, two binding faces, two extrusion cavities are separately positioned on one group of diagonal angle of cutter body, the side of the cutter body of each extrusion cavities side is arranged respectively and dodges face, two faces of dodging are separately positioned on the both sides, front and back of cutter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483757.1A CN103008384B (en) | 2012-11-26 | 2012-11-26 | Processing technique for manufacturing textile lead alloy wires by lead alloy bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210483757.1A CN103008384B (en) | 2012-11-26 | 2012-11-26 | Processing technique for manufacturing textile lead alloy wires by lead alloy bars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103008384A CN103008384A (en) | 2013-04-03 |
| CN103008384B true CN103008384B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210483757.1A Active CN103008384B (en) | 2012-11-26 | 2012-11-26 | Processing technique for manufacturing textile lead alloy wires by lead alloy bars |
Country Status (1)
| Country | Link |
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| CN (1) | CN103008384B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2830900A1 (en) * | 1977-07-15 | 1979-02-01 | British Steel Corp | METAL STRIP PRODUCTION METHOD |
| JPS5828047B2 (en) * | 1981-06-11 | 1983-06-13 | 桂治 網代 | Method for forming steel fibers used in cement structures |
| DE3880451T2 (en) * | 1987-12-09 | 1993-11-25 | Nibex Co | Process and device for fiber production. |
| CN1013650B (en) * | 1988-12-19 | 1991-08-28 | 长春市白山锡铅制品厂 | The method for turning of processing tin-lead welding wire and cutter thereof |
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2012
- 2012-11-26 CN CN201210483757.1A patent/CN103008384B/en active Active
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Address after: 225600 Linze Industrial Park, Gaoyou City, Yangzhou, Jiangsu Patentee after: Yangzhou brocade technology Co., Ltd. Address before: 225600 Linze Industrial Park, Gaoyou City, Yangzhou, Jiangsu Patentee before: Yangzhou Jinjiang Nonferrous Metal Co., Ltd. |