JP2003025204A - Holding method for lens polishing work holding tool for lens polishing work and lens polishing work method - Google Patents
Holding method for lens polishing work holding tool for lens polishing work and lens polishing work methodInfo
- Publication number
- JP2003025204A JP2003025204A JP2001212325A JP2001212325A JP2003025204A JP 2003025204 A JP2003025204 A JP 2003025204A JP 2001212325 A JP2001212325 A JP 2001212325A JP 2001212325 A JP2001212325 A JP 2001212325A JP 2003025204 A JP2003025204 A JP 2003025204A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- holding
- adhesive
- polishing
- polishing work
- 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.)
- Withdrawn
Links
Landscapes
- Lenses (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、レンズを加工する
際に、研磨装置等の加工装置におけるリセス皿に対して
レンズブランクを保持するためのレンズ保持方法及び保
持具及び加工方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lens holding method, a holding tool and a processing method for holding a lens blank with respect to a recess plate in a processing device such as a polishing device when processing a lens. .
【０００２】[0002]
【従来技術】レンズを加工する場合、特にメニスカスレ
ンズ及び両凹レンズの第２加工面が凹面加工の場合、第
１加工面及び第２加工面での取り代を一定化するにより
研削砥石への研削負荷変動を少なくして安定した面精度
を得る必要があるが、第１加工面及び第２加工面の加工
取り代を一定化にするためには第１加工面加工時のリセ
ス皿に対するレンズ貼り付け位置を変更することが要求
される。2. Description of the Related Art When a lens is machined, especially when the second machining surface of a meniscus lens and a biconcave lens is concave machining, the grinding allowance is kept constant on the first machining surface and the second machining surface. It is necessary to reduce the load fluctuation and obtain stable surface accuracy, but in order to make the machining allowances of the first and second machining surfaces constant, attach the lens to the recess tray during machining of the first machining surface. It is required to change the attachment position.
【０００３】従来のリセス皿に対するレンズブランク貼
り付け方法は、図５に示すように、基準面１１となる段
差部を備えたリセス皿１２を用い、基準面１１上に接着
剤１３を施し、この接着剤１３上にレンズブランク１４
を指で掴んで載置し、矢印Ｎ方向へ押圧しながら回転さ
せて前記基準面１１に貼り付ける。The conventional method of attaching a lens blank to a recess dish is, as shown in FIG. 5, using a recess dish 12 having a stepped portion serving as a reference plane 11 and applying an adhesive agent 13 on the reference plane 11. Lens blank 14 on adhesive 13
Is gripped with a finger and placed, and is rotated while being pressed in the direction of arrow N to be attached to the reference surface 11.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記従来の技
術によれば、基準面１１となる段差部にレンズブランク
１４の凹部を載せることで図２に示すようにレンズブラ
ンク１４の凹部球面の球面精度バラツキにより、貼り付
け後の基準面１１からの高さがばらつくことで第１加工
面での取り代ばらつきでの研削負荷変動発生、又、第２
加工面においても同様なことが発生し、安定した面精度
を得ることができないという問題があった。However, according to the above-mentioned conventional technique, the concave surface of the concave portion of the lens blank 14 is spherical as shown in FIG. 2 by placing the concave portion of the lens blank 14 on the step portion which becomes the reference surface 11. Due to the variation in accuracy, the height from the reference surface 11 after the attachment varies, and thus the grinding load variation occurs due to the variation in the machining allowance on the first machining surface, and the second
The same happens on the machined surface, and there is a problem that stable surface accuracy cannot be obtained.
【０００５】本発明は上記問題に鑑みてなされたもの
で、その目的とする処は、第１加工面及び第２加工面で
の取り代を一定化することができるレンズ研磨加工の保
持方法、レンズ研磨加工用保持具及びレンズ研磨加工方
法を提供することにある。The present invention has been made in view of the above problems, and an object of the present invention is to provide a method for holding a lens polishing process capable of making a constant machining allowance on a first processed surface and a second processed surface, An object is to provide a lens polishing holder and a lens polishing method.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、本発明は、加工すべきレンズを保持して研磨手段に
より研磨加工する保持部材への前記レンズの保持方法に
おいて、前記保持部材のレンズを収容する収容部に設け
た基準保持位置をレンズブランクの曲率精度の影響を受
けないで、球面部でない平面位置又は斜面位置に接着剤
を施し、レンズを載せ、その後に前記接着剤が固化する
までの間、前記保持部材を空冷することを特徴とする。In order to achieve the above object, the present invention relates to a method of holding a lens to be processed on a holding member for holding and polishing by a polishing means, the lens of the holding member. The reference holding position provided in the accommodating part for accommodating is not affected by the curvature accuracy of the lens blank, and an adhesive is applied to a flat position or a sloped position that is not a spherical part, a lens is placed, and then the adhesive is solidified. Until the above, the holding member is air-cooled.
【０００７】又、本発明は、レンズ研磨加工用保持具を
レンズブランクの球面部でない平面位置又は斜面位置で
保持することを特徴とする。Further, the present invention is characterized in that the lens polishing holder is held at a flat surface position or a sloped surface position which is not a spherical portion of the lens blank.
【０００８】更に、本発明は、レンズを収容する収容部
にレンズを置き、該レンズと前記収容部の間に接着剤を
入れ、前記レンズを載せ、その後に前記接着剤が固化す
るまでの間、前記保持部材を空冷することを特徴とす
る。Further, according to the present invention, the lens is placed in a housing portion for housing the lens, an adhesive is put between the lens and the housing portion, the lens is placed, and thereafter, the adhesive is solidified. The holding member is air-cooled.
【０００９】[0009]
【発明の実施の形態】以下に本発明の実施の形態を添付
図面に基づいて説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.
【００１０】先ず、本発明に係るレンズ貼り付け保持具
であるリセス皿について説明する。図１はリセス皿２の
説明図であって、該リセス皿２の基準面１の平面位置又
は斜面位置に接着剤１３を施し、レンズブランク１４の
球面部でない平面位置又は斜面位置を接着して保持され
ている。First, the recess tray which is the lens attachment holder according to the present invention will be described. FIG. 1 is an explanatory view of the recess dish 2, in which an adhesive 13 is applied to the plane position or the slope position of the reference surface 1 of the recess dish 2 to bond the plane position or the slope position of the lens blank 14 which is not the spherical portion. Is held.
【００１１】本実施の形態は、リセス皿２の基準面１が
平面又は斜面形状であるため、レンズブランク１４の平
面又は斜面位置に接着剤１３の幅を広く施して固定させ
ることができる。In the present embodiment, since the reference surface 1 of the recess tray 2 has a flat or sloped shape, the adhesive 13 can be fixed to the lens blank 14 with a wide width on the flat or sloped position.
【００１２】次に、上記リセス皿２を用いたレンズ貼り
付け工程について説明する。Next, a lens attaching process using the recess plate 2 will be described.
【００１３】予めリセス皿２を所定の温度に加熱す
る。The recess dish 2 is heated to a predetermined temperature in advance.
【００１４】上記の後、リセス皿２の基準面１上に
接着剤１３を施す。After the above, the adhesive 13 is applied on the reference surface 1 of the recess plate 2.
【００１５】上記の後、接着剤１３上にレンズブラ
ンク１４を載置し、押圧によりレンズブランク１４をリ
セス皿２に押し付ける。After the above, the lens blank 14 is placed on the adhesive 13, and the lens blank 14 is pressed against the recess plate 2 by pressing.
【００１６】上記の後、リセス皿２を空冷すること
によって接着剤１３は冷却固化される。After the above, the adhesive 13 is cooled and solidified by air-cooling the recess dish 2.
【００１７】次に、本実施の形態に係るリセス皿２への
レンズブランク１４の貼り付け方法を用いてレンズブラ
ンク１４の貼り付けを行い、レンズブランク１４の研磨
を行った具体例について説明する。Next, a specific example in which the lens blank 14 is attached by using the method of attaching the lens blank 14 to the recess plate 2 according to the present embodiment and the lens blank 14 is polished will be described.
【００１８】図２は研磨を行うレンズの形状を示したも
のであり、図示のように、直径φ１６．５ｍｍ、研磨す
る凸面の曲率半径がＲ４５．６７ｍｍ、貼り付け面側の
凹面の曲率半径が１８．２８７ｍｍ、中心部の厚みが
１．０４ｍｍのメニスカスレンズである。FIG. 2 shows the shape of a lens to be polished. As shown in the figure, the diameter φ16.5 mm, the radius of curvature of the convex surface to be polished is R45.67 mm, and the radius of curvature of the concave surface on the attachment surface side is It is a meniscus lens having a thickness of 18.287 mm and a central portion of 1.04 mm.
【００１９】図３はこのレンズブランク１４を固定する
ためのリセス皿２の具体的形状を示した図であり、リセ
ス皿２には、レンズブランク１４を収容するための直径
φ１６．５の凹所３が形成されており、この凹所３に
は、レンズブランク１４を貼り付けるための幅３ｍｍの
基準面１が形成されている。このリセス皿２の凹所３の
基準面１上に、既に述べた本実施の形態に係るレンズ貼
り付け方法によって図３に示すレンズブランク１４を貼
り付けた。このとき用いた接着剤１３は、松ヤニとター
ルを混合したものであり、リセス皿２を８０〜１２０℃
に加熱して軟化させた。レンズブランク１４を貼り付け
た後に、空中でリセス皿２を徐冷した。FIG. 3 is a view showing a concrete shape of the recess plate 2 for fixing the lens blank 14, and the recess plate 2 has a recess having a diameter φ16.5 for accommodating the lens blank 14. 3 is formed, and a reference surface 1 having a width of 3 mm for attaching the lens blank 14 is formed in the recess 3. The lens blank 14 shown in FIG. 3 was attached to the reference surface 1 of the recess 3 of the recess dish 2 by the lens attaching method according to the present embodiment described above. The adhesive 13 used at this time was a mixture of pine resin and tar, and the recess dish 2 was heated at 80 to 120 ° C.
To soften. After attaching the lens blank 14, the recess dish 2 was gradually cooled in the air.
【００２０】このようにしてリセス皿２に貼り付けられ
たレンズブランク１４を研磨装置で研磨したところ、図
４に示すようなレンズの第２加工面凹面深さ精度が得ら
れた。図４を見ると、本実施の形態のレンズブランク貼
り付け方法を適用した場合には、加工した９０個のレン
ズブランク１４の第２加工面凹面深さ４は全て±０．０
５ｍｍの公差内に収まっていたが、従来のようなリセス
皿１２で貼り付けた場合には、レンズブランク１４の第
２加工面凹面のプレス曲率のばらつきにより、第２加工
面凹面深さ４は許容公差から外れるものが２０％程度見
られた。When the lens blank 14 attached to the recess dish 2 in this way was polished by a polishing device, the second processed surface concave surface precision of the lens as shown in FIG. 4 was obtained. Referring to FIG. 4, when the lens blank attaching method according to the present embodiment is applied, the second processed surface concave surface depths 4 of 90 processed lens blanks 14 are all ± 0.0.
Although it was within the tolerance of 5 mm, when pasted with the recess tray 12 as in the conventional case, the second processed surface concave depth 4 is due to the variation of the press curvature of the second processed surface concave surface of the lens blank 14. About 20% were out of tolerance.
【００２１】[0021]
【発明の効果】以上の説明で明らかなように、本発明に
よれば、加工すべきレンズを保持して研磨手段により研
磨加工する保持部材への前記レンズの保持方法におい
て、前記保持部材のレンズを収容する収容部に設けた基
準保持位置をレンズブランクの曲率精度の影響を受けな
いで、球面部でない平面位置又は斜面位置に接着剤を施
し、レンズを載せ、その後に前記接着剤が固化するまで
の間、前記保持部材を空冷するようにしたため、第１加
工面及び第２加工面での取り代を一定化することができ
るという効果が得られる。As is apparent from the above description, according to the present invention, in the method of holding the lens to be held on the holding member for holding the lens to be processed and polishing by the polishing means, the lens of the holding member is used. The reference holding position provided in the accommodating part for accommodating is not affected by the curvature accuracy of the lens blank, and an adhesive is applied to a flat position or a sloped position that is not a spherical part, a lens is placed, and then the adhesive is solidified. Until then, since the holding member is air-cooled, there is an effect that the machining allowances on the first processed surface and the second processed surface can be made constant.
【図１】本発明に係わるリセス皿の実施形態を示す説明
図であり、レンズをリセス皿に貼り付けた状態を示す図
である。FIG. 1 is an explanatory view showing an embodiment of a recess dish according to the present invention, and is a view showing a state in which a lens is attached to the recess dish.
【図２】レンズの詳細形状を示す図である。FIG. 2 is a diagram showing a detailed shape of a lens.
【図３】リセス皿の詳細形状を示す図である。FIG. 3 is a diagram showing a detailed shape of a recess dish.
【図４】研磨加工したときのレンズの厚みのバラツキを
示す図である。FIG. 4 is a diagram showing a variation in the thickness of a lens when it is polished.
【図５】従来のリセス皿の詳細形状を示す図である。FIG. 5 is a view showing a detailed shape of a conventional recess dish.
１ リセス皿の基準面 ２ リセス皿 ３ リセス皿の凹所 ４ レンズブランクの第２加工面凹所深さ １３ 接着剤 １４ レンズブランク 1 Reference surface of recess plate 2 recess dish 3 recess of recess plate 4 Depth of recess of second processed surface of lens blank 13 Adhesive 14 lens blank
Claims (6)
より研磨加工する保持部材への前記レンズの保持方法に
おいて、 前記保持部材のレンズを収容する収容部に設けた基準保
持位置をレンズブランクの曲率精度の影響を受けない
で、球面部でない平面位置又は斜面位置に接着剤を施
し、レンズを載せ、その後に前記接着剤が固化するまで
の間、前記保持部材を空冷することを特徴とするレンズ
研磨加工の保持方法。1. A method for holding a lens to be processed in a holding member for holding and polishing the lens by a polishing means, wherein a reference holding position provided in a holding portion of the holding member for holding the lens is a lens blank. The method is characterized in that an adhesive is applied to a flat surface position or an inclined surface position that is not a spherical portion, a lens is placed, and then the holding member is air-cooled until the adhesive solidifies, without being affected by curvature accuracy. Method of holding lens polishing process.
に設けた基準保持位置を平面位置又は斜面位置で保持す
ることによって保持部の幅を大きくすることを特徴とす
る請求項１記載のレンズ研磨加工の保持方法。2. The lens according to claim 1, wherein a width of the holding portion is increased by holding a reference holding position provided in a holding portion for holding the lens of the holding member at a flat position or a sloped position. Method of holding polishing.
保持部材を所定の温度に加熱しておくことを特徴とする
請求項１記載のレンズ研磨加工の保持方法。3. The holding method according to claim 1, wherein the holding member is heated to a predetermined temperature before applying the adhesive to the holding member.
持部材を空冷することを特徴とする請求項１記載のレン
ズ研磨加工の保持方法。4. The holding method for lens polishing according to claim 1, wherein the holding member is air-cooled until the adhesive is solidified.
又は斜面位置で保持されることを特徴とするレンズ研磨
加工用保持具。5. A holder for lens polishing, which is held at a flat surface position or an inclined surface position which is not a spherical portion of a lens blank.
き、該レンズと前記収容部の間に接着剤を入れ、前記レ
ンズを載せ、その後に前記接着剤が固化するまでの間、
前記保持部材を空冷することを特徴とするレンズ研磨加
工方法。6. A lens is placed in a housing for housing a lens, an adhesive is put between the lens and the housing, the lens is placed, and thereafter, the adhesive is solidified.
A lens polishing method, wherein the holding member is air-cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001212325A JP2003025204A (en) | 2001-07-12 | 2001-07-12 | Holding method for lens polishing work holding tool for lens polishing work and lens polishing work method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001212325A JP2003025204A (en) | 2001-07-12 | 2001-07-12 | Holding method for lens polishing work holding tool for lens polishing work and lens polishing work method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003025204A true JP2003025204A (en) | 2003-01-29 |
Family
ID=19047505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001212325A Withdrawn JP2003025204A (en) | 2001-07-12 | 2001-07-12 | Holding method for lens polishing work holding tool for lens polishing work and lens polishing work method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003025204A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172865A (en) * | 2011-02-01 | 2011-09-07 | 成都贝瑞光电科技股份有限公司 | Combined lens processing mold |
| US20110215492A1 (en) * | 2008-11-19 | 2011-09-08 | Toshiya Tomisaka | Manufacturing method of aspheric surface lens |
| CN116442055A (en) * | 2023-04-07 | 2023-07-18 | 北京创思工贸有限公司 | Wedge lens processing method |
-
2001
- 2001-07-12 JP JP2001212325A patent/JP2003025204A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110215492A1 (en) * | 2008-11-19 | 2011-09-08 | Toshiya Tomisaka | Manufacturing method of aspheric surface lens |
| CN102172865A (en) * | 2011-02-01 | 2011-09-07 | 成都贝瑞光电科技股份有限公司 | Combined lens processing mold |
| CN116442055A (en) * | 2023-04-07 | 2023-07-18 | 北京创思工贸有限公司 | Wedge lens processing method |
| CN116442055B (en) * | 2023-04-07 | 2024-01-30 | 北京创思工贸有限公司 | Wedge lens processing method |
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