CN1506179A - High straightening suspension wire and producing method thereof - Google Patents
High straightening suspension wire and producing method thereof Download PDFInfo
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- CN1506179A CN1506179A CNA021555273A CN02155527A CN1506179A CN 1506179 A CN1506179 A CN 1506179A CN A021555273 A CNA021555273 A CN A021555273A CN 02155527 A CN02155527 A CN 02155527A CN 1506179 A CN1506179 A CN 1506179A
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- aligning
- silk thread
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- suspension silk
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Abstract
The present invention provides high straight suspension wire with curvature radius over 4000 mm and no narrow-interval deep spiral straightening impression caused by straightening blade or mold. Circular metal spring wire is applied with tension of 10-1000 g at high temperature of 300-1000 deg.c and twisted to straighten in one turn every 2-40 mm in the length direction; and the straightened metal spring wire then has its drawing mold impression in the surface changed into spiral mold impression of 2-40 mm pitch to form the high straight suspension wire.
Description
Technical field
The present invention relates to hang silk thread and manufacture method thereof, more specifically to mainly being the optical sensor suspension suspension silk thread that on the optical sensor of silk thread suspension mode, uses, promptly relate to by metal spring line and carry out straight suspension silk thread and the manufacture method thereof of height that straight rectification obtains circular section shape.
Background technology
In the past, be by using rotary type aligning blade or rotary type aligning mould, metal spring line to circular section shape carries out straight rectification, make the straight suspension silk thread of the height of radius of curvature more than 4000mm, the straight suspension silk thread of using as optical sensor (being designated hereinafter simply as highly straight suspension silk thread) of height.
Yet, the suspension silk thread that height in the past is straight has problem as described below, add at aligning and to form narrow, spiral dark aligning impression below the spacing 2mm because of rotary type aligning blade or rotary type aligning mould (hereinafter referred to as aligning blade or aligning mould) man-hour, when being subjected to alternating bending stress, cause crackle and fracture accident because of these impressions.In addition, on wire surface, cut out the narrow dark helical form aligning impression of spacing because of aligning blade or aligning mould, make the silk thread outward appearance also plain, in addition, do not use aligning blade or aligning mould yet, and the annealing that utilize to stretch keeps the manufacture method of grazing, but since radius of curvature when reaching 1000mm glacing flatness not enough.If be used for pursuing the high accuracy optical sensor that uses on the CD of high density, high speed recently, the lens tilt of optical sensor will appear, therefore can not use.For this reason, require not have the narrow deep helical shape aligning impression of spacing that on wire surface, cuts out by aligning blade or aligning mould etc., and have the straight suspension silk thread of height of the high straightness of radius of curvature more than 4000mm.
Summary of the invention
The present invention proposes for the variety of issue that solves above-mentioned prior art existence, its objective is that will provide a kind of does not have the narrow deep helical shape aligning impression of spacing that is formed by aligning blade or aligning mould etc., and straight suspension silk thread and the manufacture method thereof of the height of the high straightness of radius of curvature more than 4000mm.
According to the 1st viewpoint, the invention provides the straight suspension silk thread of a kind of height, it carries out straight aligning by the metal spring line to circular section shape and obtains, it is characterized in that, above-mentioned suspension silk thread has radius of curvature can reach the above high straightness of 4000mm, and its structure and surface characteristic are not have the helical form aligning impression of spacing below 2mm that produces because of rotary type aligning blade or rotary type aligning mould.
Employing is according to the suspension silk thread of above-mentioned the 1st viewpoint, owing to not having when applying bending stress repeatedly, may causing that the narrow deep helical shape of spacing that forms because of aligning blade or aligning mould etc. of crackle or fracture accident aligns impression, and have radius of curvature and can reach the above high straightness of 4000mm, therefore can on the optical sensor of high accuracy, high reliability, use.
According to the 2nd viewpoint, the invention provides the straight suspension silk thread of a kind of height, it is that circular metal spring line carries out straight aligning and obtains by cross sectional shape, it is characterized in that: above-mentioned suspension silk thread has radius of curvature can reach the above high straightness of 4000mm, and its structure and surface characteristic be not have the helical form aligning impression of spacing below 2mm that produces because of rotary type aligning blade or rotary type aligning mould, and it is the structure and the surface characteristic of the helical form impression (spiral mould vestige) of 2mm～40mm that the inevitable shallow impression parallel with this line length direction (wire-drawing die vestige) that forms when also having above-mentioned metal spring line Wire Drawing in addition becomes distortion back spacing.
Adopt the suspension silk thread of above-mentioned the 2nd viewpoint, the wire-drawing die vestige becomes spiral status from the state parallel with the wire length direction, the spacing of the deep helical shape aligning impression that its spacing is narrower than the spacing that is formed by aligning blade or aligning mould is also wide, again because impression is quite shallow, therefore, can not become yet and crack or the reason of fracture accident even apply bending stress repeatedly.
According to the 3rd viewpoint, the invention provides the manufacture method of the straight suspension silk thread of a kind of height, it is the manufacture method of the straight suspension silk thread of height as claimed in claim 1, it is characterized by, do not use rotary type aligning blade or aligning mould, but under 300 ℃～1000 ℃ high-temperature atmosphere, the tension force that adds 10g～1000g to cross sectional shape for circular metal spring line, by length direction, rotate afterturn one every 2mm～40mm and change simultaneously, carry out straight aligning at the metal spring line.
Utilize the manufacture method of above-mentioned the 3rd viewpoint, can make the straight suspension silk thread of height of above-mentioned first viewpoint efficiently.Particularly, has the so-called favourable part that stably to make highly straight suspension silk thread by control as the temperature of creating conditions, tension force and the afterturn spacing of this manufacture method.
According to the 4th viewpoint, the invention provides the manufacture method of the straight suspension silk thread of a kind of height, it is the manufacture method of the straight suspension silk thread of height as claimed in claim 2, it is characterized in that, by not using rotary type aligning blade or rotary type aligning mould, but under 300 ℃～1000 ℃ high-temperature atmosphere, the tension force that adds 10g～1000g to cross sectional shape for circular metal spring line, simultaneously by length direction at the metal spring line, rotating afterturn one every 2mm～40mm changes, thereby carry out straight aligning, and the inevitable shallow impression parallel with this line length direction (wire-drawing die vestige) that forms during with above-mentioned metal spring line Wire Drawing becomes the helical form impression that spacing is 2mm～40mm (spiral mould vestige) behind aligning.
Utilize the manufacture method of above-mentioned the 4th viewpoint, can produce the straight suspension silk thread of height of above-mentioned the 2nd viewpoint efficiently.Because behind the straight aligning, the wire-drawing die vestige that forms in the time of can be with Wire Drawing on above-mentioned metal spring line surface, forming spacing on wire surface is the spiral helicine aligning mold-mart of 2mm～40mm, therefore except the effect and effect of the manufacture method of above-mentioned the 3rd viewpoint, in the straight suspension silk thread of the height that the manufacture method of utilizing this viewpoint obtains, because by confirming that the spiral mould vestige on the wire surface makes with regard to knowing to be to use based on the manufacture method of this viewpoint, so preferred.
According to the 5th viewpoint, the invention provides the manufacture method of the straight suspension silk thread of a kind of height, it is characterized by, above-mentioned 300 ℃～1000 ℃ of high-temperature atmospheres are the atmosphere of non-oxidizing gas.
As above-mentioned non-oxidizing gas, can use for example hydrogen, nitrogen etc.
Utilize the manufacture method of above-mentioned the 5th viewpoint, because when making highly straight suspension silk thread, can prevent the oxidation of the wire surface that causes because of non-oxidized gas atmosphere, so preferred.
Description of drawings
Fig. 1 is the outward appearance electron micrograph (emphasizing the mold-mart part) of the straight suspension silk thread of height of the present invention;
Fig. 2 is the figure of the radius of curvature of the straight suspension silk thread of expression height of the present invention;
Fig. 3 is used to illustrate when making the straight suspension silk thread of height of the present invention and the sketch of the mold-mart that forms in wire surface;
(a) be after Wire Drawing, on metal spring line surface, be formed with the state of wire-drawing die vestige;
(b) be after aligning processing, be formed with the state of helical form mold-mart on the highly straight suspension wire surface;
Fig. 4 is the outward appearance electron micrograph of the straight suspension silk thread of the height that utilizes the straight line method for aligning used the aligning blade to produce, the figure (emphasizing the impression part) of the deep helical shape aligning impression that the spacing that to be expression produced by the aligning blade is narrow;
Fig. 5 is the outward appearance electron micrograph of the straight suspension silk thread of the height that utilizes the straight line method for aligning used the aligning mould to produce, the figure (emphasizing to align the impression part) of the deep helical shape aligning impression that the spacing that to be expression produced by the aligning mould is narrow;
Fig. 6 is the sketch of an example of the manufacturing process of the straight suspension silk thread of expression height of the present invention.
The explanation of symbol
1 highly straight suspension silk thread, metal spring line after the 1a wire drawing, 6 are just processing and are being deformed into spiral helicine spiral mould vestige because of aligning, the wire-drawing die vestige that produces during the 6a Wire Drawing, the straight suspension silk thread of height that 21 utilizations have used the straight line method for aligning of aligning blade to produce, 27 by the narrow deep helical shape aligning impression of the spacing of aligning blade generation, the straight suspension silk thread of height that 31 utilizations have used the straight line method for aligning of aligning mould to produce, 37 by the narrow deep helical shape aligning impression of the spacing of aligning mould generation, 110 for the line bobbin, 111 motors, 112 annulus, 113 stoves (electrothermal furnace), 114 reels, 115 nitrogen or hydrogen introduction channel, the rotation spacing of p helical form mold-mart, r radius of curvature.
The specific embodiment
Below, according to illustrated embodiment, illustrate in greater detail content of the present invention.But the present invention is not limited thereto.
Fig. 1 is the electron micrograph (emphasizing the mold-mart part) of the outward appearance of the straight suspension silk thread of height of the present invention.Fig. 2 is the figure of the radius of curvature of the straight suspension silk thread of expression height of the present invention.Fig. 3 is used to illustrate when making the straight suspension silk thread of height of the present invention, the sketch of the mold-mart that forms in wire surface; (a) among the figure is after Wire Drawing, is formed with the state of wire-drawing die vestige on the surface of metal spring line; (b) among the figure is after aligning processing, is formed with the state of helical form mold-mart on highly straight suspension wire surface.Fig. 4 is the electron micrograph of the outward appearance of the straight suspension silk thread of the height that utilizes the straight line method for aligning used the aligning blade to produce, the figure (emphasizing to align the impression part) of the deep helical shape aligning impression that the spacing that to be expression produced by the aligning blade is narrow.Fig. 5 is the electron micrograph of the outward appearance of the straight suspension silk thread of the height that utilizes the straight line method for aligning used the aligning mould to produce, the figure (emphasizing to align the impression part) of the dark helical form aligning impression of the narrow-pitch that to be expression produced by the aligning mould.Fig. 6 is the sketch of an example of the manufacturing process of the straight suspension silk thread of expression height of the present invention.
In these figure, the 1st, highly straight suspension silk thread, 1a is the spring wire after the wire drawing, the 6th, because of aligning processing is deformed into spiral helicine mold-mart (spiral mould vestige), the mold-mart that is produced when 6a is Wire Drawing (wire-drawing die vestige), the 21st, the straight suspension silk thread of height that utilization has used the straight line method for aligning of aligning blade to produce, the 27th, by the aligning impression of the narrow deep helical shape of the spacing of aligning blade generation, the 31st, the straight suspension silk thread of height that the straight line method for aligning that utilizes use to align mould produces, the 37th, align impression by the narrow deep helical shape of spacing that the aligning mould produces, the 110th, for the line bobbin, the 111st, motor, the 112nd, annulus, the 113rd, stove (electrothermal furnace), the 114th, reel, the 115th, nitrogen or hydrogen introduction channel, p is that spacing is rotated in the rotation of spiral mould vestige, and r is a radius of curvature.
First embodiment (highly straight suspension silk thread)
Utilize an embodiment of the suspension silk thread that Fig. 1～5 illustrate that height of the present invention is straight.
The suspension silk thread 1 that height shown in Figure 1 is straight, as shown in Figure 2, r is more than 4000mm for its radius of curvature, and it does not have the narrow impression 27 of spacing by the generation of aligning blade as shown in Figure 4, or the narrow dark helical form of spacing by the generation of aligning mould shown in Figure 5 is aligned impression 37.The lip-deep wire-drawing die vestige of metal spring line 1a 6a after the wire drawing shown in Fig. 3 (a), utilize manufacture method of the present invention (aligning processing), can be on the surface of highly straight suspension silk thread 1, form and rotate the spiral mould vestige 6 after the helical form of being deformed into that spacing is 2mm～40mm.
The material of above-mentioned metal spring line 1a (highly straight suspension silk thread 1) is phosphor bronze, beryllium-bronze, yellow gold, pack fong, stainless steel, tungsten, molybdenum.The diameter phi of the suspension silk thread 1 that above-mentioned height is straight is such as being 50～300 μ m.The radius of curvature r of highly straight suspension silk thread 1 is such as being 4000mm～100000mm.The rotation spacing p of spiral mould vestige 6 is 2mm～40mm.
Second embodiment (manufacture method of highly straight suspension silk thread)
Utilize Fig. 6 that the manufacture method of the suspension silk thread that height flat is straight is described.
At first, make for line bobbin 110 lateral rotation by motor 111, the confession line tension that adds 10g～1000g simultaneously will twist in for the metal wire 1a after the wire drawing on the line bobbin 110 extracts out, make it pass through annulus 112, and under the atmosphere of hydrogen that from hydrogen or nitrogen introduction channel 115, injects in order to prevent the 1a oxidation of metal spring line or nitrogen, by 300 ℃～1000 ℃ electrothermal furnace 113, like this, can in high-temperature atmosphere, carry out the so-called straight aligning aligning processing of continuous afterturn to metal spring line 1a.Again by being wound on continuously on the reel 114, produce that to have spacing in wire surface be 2mm～40mm, be deformed into the straight suspension silk thread 1 of height of spiral helicine spiral mould vestige 6.
The diameter of above-mentioned metal spring line 1a (highly straight suspension silk thread 1) for example is 100 μ m.The velocity of rotation that is driven for line bobbin 110 by motor 111 for example is 2000 rev/mins.For line tension for example is 100g, and the length of stove 113 for example is 3m.The temperature of stove 113 is 470 ℃ for example, and the speed of batching for example is the 15m/ branch.
The effect of invention
Utilize height of the present invention straight suspension silk thread and manufacture method thereof, glacing flatness can be carried The high radius of curvature that arrives is more than 4000mm. In addition, the spacing that is not produced by the aligning blade exists The spiral shell of spacing below 2mm that the helical form aligning impression that 2mm is following or straightening die set produce Revolve shape aligning impression, occur the accident of crackle and fracture in the time of can preventing from adding alternating bending stress. In addition, utilize manufacture method of the present invention, by the temperature that the control conduct is created conditions, tension force Twist with the fingers spacing with strand, can stably make highly straight suspension silk thread. Therefore, the present invention exists Effect on the industry is very big.
Claims (5)
1. highly straight suspension silk thread, it carries out straight aligning by the metal spring line to circular section shape and obtains, and it is characterized in that:
Described suspension silk thread has the high straightness of radius of curvature more than 4000mm, and its structure and surface characteristic are not have the helical form aligning impression of spacing below 2mm that produces because of rotary type aligning blade or rotary type aligning mould.
2. highly straight suspension silk thread, it carries out straight aligning by the metal spring line to circular section shape and obtains, and it is characterized in that:
Described suspension silk thread has the high straightness of radius of curvature more than 4000mm, and its structure and surface characteristic be not have the helical form aligning impression of spacing below 2mm that produces because of rotary type aligning blade or rotary type aligning mould, and the inevitable shallow impression parallel with this line length direction (wire-drawing die vestige) that produces when having described metal spring line Wire Drawing in addition changed into the structure and the surface characteristic of the helical form impression that spacing is 2mm～40mm (spiral mould vestige).
3. the manufacture method of a highly straight suspension silk thread, it is the manufacture method of the straight suspension silk thread of height as claimed in claim 1, it is characterized in that: do not use rotary type aligning blade or rotary type aligning mould, but under 300 ℃～1000 ℃ high-temperature atmosphere, the metal spring line of circular section shape is applied the tension force of 10g～1000g, by length direction, rotate afterturn one every 2mm～40mm and change, thereby carry out straight aligning simultaneously at the metal spring line.
4. the manufacture method of a highly straight suspension silk thread, it is the manufacture method of the straight suspension silk thread of height as claimed in claim 2, it is characterized in that: do not use rotary type aligning blade or rotary type aligning mould, but under 300 ℃～1000 ℃ high-temperature atmosphere, the metal spring line of circular section shape is applied the tension force of 10g～1000g, simultaneously by length direction at metal wire, rotating afterturn one every 2mm～40mm changes, thereby carry out straight aligning, and the inevitable shallow impression (wire-drawing die vestige) parallel with this line length direction that produces during with described metal spring line Wire Drawing becomes the helical form impression that spacing is 2mm～40mm (spiral mould vestige) behind straight aligning.
5. as the manufacture method of the straight suspension silk thread of claim 3 or 4 described height, it is characterized in that: described 300 ℃～1000 ℃ high-temperature atmosphere is the atmosphere of non-oxidizing gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155527 CN1263563C (en) | 2002-12-05 | 2002-12-05 | High straightening suspension wire and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02155527 CN1263563C (en) | 2002-12-05 | 2002-12-05 | High straightening suspension wire and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1506179A true CN1506179A (en) | 2004-06-23 |
| CN1263563C CN1263563C (en) | 2006-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02155527 Expired - Fee Related CN1263563C (en) | 2002-12-05 | 2002-12-05 | High straightening suspension wire and producing method thereof |
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| Country | Link |
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| CN (1) | CN1263563C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004995B (en) * | 2006-01-20 | 2010-05-12 | 顾进跃 | Method for producing thorium-tungsten wire |
-
2002
- 2002-12-05 CN CN 02155527 patent/CN1263563C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004995B (en) * | 2006-01-20 | 2010-05-12 | 顾进跃 | Method for producing thorium-tungsten wire |
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| CN1263563C (en) | 2006-07-12 |
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Granted publication date: 20060712 Termination date: 20211205 |