JP2006346844A - Dressing device and dressing method for grinding wheel - Google Patents

Dressing device and dressing method for grinding wheel Download PDF

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JP2006346844A
JP2006346844A JP2005202222A JP2005202222A JP2006346844A JP 2006346844 A JP2006346844 A JP 2006346844A JP 2005202222 A JP2005202222 A JP 2005202222A JP 2005202222 A JP2005202222 A JP 2005202222A JP 2006346844 A JP2006346844 A JP 2006346844A
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roller
dressing
grindstone
groove
shape
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Yasuo Kodama
靖夫 小玉
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Kodama Ltd
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Kodama Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method to dress a head end working surface in a shape capable of grinding a work easily and in a short period of time by correcting the head end working surface of the grinding wheel in a shape capable of grinding the work without removing the grinding wheel required to repair from a grinder and a dressing device which can be manufactured at low cost and in a short period of time. <P>SOLUTION: In this dressing device, the head end working surface of the grinding wheel 1 is dressed in the same shape as a groove shape of a roller 3 by pressing the head end working surface of the grinding wheel 3 on a groove of the roller 3. This device can be manufactured at low cost and can dress the head end working surface in the shape capable of grinding the work easily and in a short period of time without removing the grinding wheel from the grinder. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、砥石のドレッシング装置及びドレッシング方法に関する。  The present invention relates to a dressing apparatus and a dressing method for a grindstone.

一般に研削用砥石のドレッシング装置は、研削盤から砥石を取り外し、その砥石を専用の独立したドレッシング装置に装着して砥石のドレッシングを行う方法がある（例えば、特許文献１参照）。また研削盤から取り外すことなくドレッシングを行う方法がある（例えば、特許文献２参照）。
これら特許文献に記載された発明は、砥石の研削面形状に沿い、プロファイル移動させドレッシングを行っている。
特開平７−２０５０２４号公報 特開平９−１１１３０号公報 Generally, there is a grinding wheel dressing apparatus in which a grinding wheel is removed from a grinding machine and the grindstone is mounted on a dedicated independent dressing apparatus to perform dressing of the grinding wheel (see, for example, Patent Document 1). There is also a method of performing dressing without removing it from the grinding machine (see, for example, Patent Document 2).
In the inventions described in these patent documents, dressing is performed by moving the profile along the shape of the grinding surface of the grindstone.
Japanese Patent Laid-Open No. 7-205024 Japanese Patent Laid-Open No. 9-11130

以上に述べた従来のドレッシング装置は、高精度のものができる反面、ドレッシング装置が高価で研削盤に砥石を取り付ける時間、ドレッシングの作業時間が長くなり、高コストなものとなっていた。  Although the conventional dressing apparatus described above can be made with high accuracy, the dressing apparatus is expensive, and the time for attaching the grindstone to the grinder and the dressing work time are long, and the cost is high.

また、ドレッシング装置の砥石は、被加工物の研磨により磨耗する。そのためドレッシング装置の砥石を交換、又は砥石のドレッシングを行う必要があるため高コストなものとなっていた。  Further, the grindstone of the dressing apparatus is worn by polishing the workpiece. For this reason, it is necessary to replace the grindstone of the dressing device or to perform dressing of the grindstone, which is expensive.

本発明は、上記課題を解決するためになされたものであって、その目的は、補修を必要とする砥石を研削盤から取り外すことなく、砥石の先端作業面を、被加工物を加工できる形状に修正し、簡単に、短時間で、被加工物を加工できる形状に先端作業面をドレッシングする方法と、大幅に安価で、短期間で製作できるドレッシング装置を提供することを目的とする。  The present invention has been made in order to solve the above-described problems, and its purpose is to provide a shape capable of processing the workpiece on the tip working surface of the grindstone without removing the grindstone requiring repair from the grinder. It is an object of the present invention to provide a method for dressing the tip work surface in a shape that can be easily and quickly processed in a short time, and a dressing device that can be manufactured at a significantly low cost and in a short period of time.

請求項１に係る本発明のドレッシング装置は、研削盤のテーブル上に、ローラーの外周面、全周に溝を有したドレッシング装置を取り付け、砥石の回転に対し、回転方向が逆で周速度を等しくして、ローラーの溝に砥石の先端作業面を押し付け、補修を必要とする砥石の先端作業面を、被加工物を加工できる形状に修正するようにしたものである。  The dressing device of the present invention according to claim 1 is provided with a dressing device having grooves on the outer peripheral surface of the roller and the entire circumference on a table of a grinding machine, and the rotational speed is opposite to the rotation of the grindstone. Equally, the tip working surface of the grindstone is pressed against the groove of the roller, and the tip working surface of the grindstone that requires repair is corrected to a shape that can machine the workpiece.

請求項２に係る本発明のドレッシング装置において、ローラーの外周面に複数の溝を有したものにした。In the dressing device of the present invention according to claim 2, the roller has an outer peripheral surface having a plurality of grooves.

請求項３に係る本発明のローラーの溝形状において、溝の最深部を複数の異なる半径形状にしたものである。  In the groove shape of the roller of the present invention according to claim 3, the deepest part of the groove is formed into a plurality of different radial shapes.

請求項４に係る本発明のドレッシング装置において、ローラーの溝形状を、溝の最深部が砥石の初期状態の形状で、外周面に向かって逃げ角を有したものである。  In the dressing device of the present invention according to claim 4, the groove shape of the roller is such that the deepest part of the groove is the shape of the initial state of the grindstone and has a clearance angle toward the outer peripheral surface.

請求項５に係る本発明のドレッシング装置において、ローラーの溝形状が、片面角度付きと、両面角度付きの溝を有したものである  In the dressing device of the present invention according to claim 5, the groove shape of the roller has a groove with a single-sided angle and a groove with a double-sided angle.

請求項６に係る本発明のドレッシング方法において、砥石の初期形状に対応する溝を有したローラーの溝に砥石の先端作業面を押し付けることにより、砥石の先端作業面を、被加工物を加工できる形状に修正するようにしたものである。  In the dressing method of the present invention according to claim 6, the workpiece can be processed on the tip working surface of the grindstone by pressing the tip working surface of the grindstone against the groove of the roller having a groove corresponding to the initial shape of the grindstone. The shape is corrected.

以上説明したように本発明によると、補修を必要とする砥石を研削盤から取り外すことなく、砥石の先端作業面を、被加工物を加工できる形状に修正させることができる。さらに簡単にドレッシングができ、従来のドレッシング装置に対し、１／１０程度の安価で、短期間で該装置が製作できる。また、重量も従来のドレッシング装置に対し１／５程度（１．２ｋｇ）となり携帯することもできる。  As described above, according to the present invention, the tip working surface of the grindstone can be corrected to a shape capable of machining the workpiece without removing the grindstone requiring repair from the grinding machine. Furthermore, dressing can be performed easily, and the apparatus can be manufactured in a short period of time at a cost that is about 1/10 that of a conventional dressing apparatus. Further, the weight is about 1/5 (1.2 kg) of the conventional dressing apparatus, and it can be carried.

図１は、本発明の一実施例におけるドレッサ装置の一部を断面としたものである。図２は、砥石の先端作業面をローラー３の溝に押し付けた状態を示したものである。図３は、ローラー３の溝形状を拡大したものである。  FIG. 1 is a sectional view of a part of a dresser apparatus according to an embodiment of the present invention. FIG. 2 shows a state where the tip working surface of the grindstone is pressed against the groove of the roller 3. FIG. 3 is an enlarged view of the groove shape of the roller 3.

図１において、本発明のドレッシング装置を研削盤のテーブル上に取り付ける。ローラー３の主軸受けには、ローラー軸が支持されており原動機の駆動力により回転可能となる。ローラーの外形寸法は５０ｍｍとなっている。  In FIG. 1, the dressing apparatus of the present invention is mounted on a table of a grinding machine. A roller shaft is supported on the main bearing of the roller 3 and can be rotated by the driving force of the prime mover. The outer dimension of the roller is 50 mm.

図２において、ドレッシングを行う前の砥石１の先端作業面の半径は、ローラー３の最深部の半径より大きくなっている。砥石１をローラー３の溝に押し付けることにより、砥石とローラーは逆方向に同一周速度で回転する。砥石１は、研削盤に取り付けた状態で自由に回転できる。つまり本装置の原動機により回転することになる。ローラー３の回転速度は、砥石１の先端作業面の欠けと、回転速度差（滑り）が発生しないように１０〜１５ｒｐｍとした。  In FIG. 2, the radius of the tip working surface of the grindstone 1 before dressing is larger than the radius of the deepest part of the roller 3. By pressing the grindstone 1 against the groove of the roller 3, the grindstone and the roller rotate in the opposite direction at the same peripheral speed. The grindstone 1 can be freely rotated while attached to the grinding machine. That is, it is rotated by the prime mover of this apparatus. The rotation speed of the roller 3 was set to 10 to 15 rpm so that a chip on the tip working surface of the grindstone 1 and a rotation speed difference (slip) did not occur.

図２において砥石１の形状と、ローラー３の溝形状は、片面角度付きの形状である。本装置における砥石のドレッシング装置は、砥石と同じ形状の溝に砥石を押しつけてドレッシングをおこなう。一般に、プロファイル加工で使われる砥石は片面角度付きと、両面角度付きのものが多く使われている。  In FIG. 2, the shape of the grindstone 1 and the groove shape of the roller 3 are shapes with a single-sided angle. The grindstone dressing device in this apparatus performs dressing by pressing the grindstone into a groove having the same shape as the grindstone. In general, a grindstone used in profile processing is often used with a single-sided angle and a double-sided angle.

図３において、ローラー３の溝形状は、一般にプロファイル加工で多く使われてる片面角度付きと、両面角度付きの砥石と同じ形状とした。ローラー３の溝の最深部の半径（Ｒ）形状はＲ１〜Ｒ４まで０．０５ｍｍとし、溝の深さは、ローラー３の外周面より溝の最深部まで１ｍｍとした。さらにローラー３の溝には、ドレッシングにおける砥石の先端作業面の欠けと、砥石１の滑りが発生しないように逃げ角（ ）を有した。  In FIG. 3, the groove shape of the roller 3 is the same as that of a grindstone with a single-sided angle and a double-sided angle that are generally used in profile processing. The radius (R) shape of the deepest part of the groove of the roller 3 was 0.05 mm from R1 to R4, and the depth of the groove was 1 mm from the outer peripheral surface of the roller 3 to the deepest part of the groove. Further, the groove of the roller 3 had a clearance angle () so as not to cause chipping of the grindstone tip work surface and slippage of the grindstone 1 in dressing.

本実施例のドレッシング装置において、ローラー３の材料は超硬合金を用いたが、セラミックス等の硬質材料、熱処理硬化させた鋼や、表面にダイヤモンド粒を電着、または被覆した材料を用いることができる。  In the dressing apparatus of the present embodiment, a cemented carbide is used as the material of the roller 3, but a hard material such as ceramics, a heat-hardened steel, or a material in which diamond grains are electrodeposited or coated on the surface is used. it can.

本実施例のドレシング装置において、ローラー３はローラー軸４により支持、固定されているが、ローラー３を着脱可能にすることができる。  In the dressing device of the present embodiment, the roller 3 is supported and fixed by the roller shaft 4, but the roller 3 can be made detachable.

本実施例のドレッシング装置において、砥石１は手動で押し付けるが、自動で押し付けることができる。さらに砥石１の押し込み量も、センサ等を用いて最適な押し付け量をプログラミングして砥石のドレッシングを行うことができる。  In the dressing apparatus of the present embodiment, the grindstone 1 is pressed manually, but can be pressed automatically. Furthermore, the pressing amount of the grindstone 1 can be dressed by programming the optimum pressing amount using a sensor or the like.

本実施例のドレッシング装置において、砥石を完全に、初期状態の形状に復元することはできないが、本装置によるドレッシングで、砥石の先端作業面の形状をローラーの溝形状と同じ形状にすることにより、簡単に、短時間で、さらに、低コストでドレッシングすることができた。  In the dressing device of the present embodiment, the grindstone cannot be completely restored to the initial shape, but by dressing with this device, the shape of the tip working surface of the grindstone is made the same as the groove shape of the roller. Dressed easily, in a short time, and at a low cost.

本実施例に係るドレッシング装置の正面図である。It is a front view of the dressing apparatus which concerns on a present Example. 本実施例に係るドレッシングの状態を示したものである。The state of the dressing which concerns on a present Example is shown. 本実施例に係るローラーの溝形状を示したものである。The groove shape of the roller which concerns on a present Example is shown.

符号の説明Explanation of symbols

１ 砥石
２ 砥石軸
３ ローラー
４ ローラー軸
５ ローラー主軸受け
６ 原動機1 Whetstone 2 Whetstone shaft 3 Roller 4 Roller shaft 5 Roller main bearing 6 Motor

Claims (6)

研削盤のテーブル上に、ローラーの外周面、全周に溝を有したドレッシング装置を取り付け、砥石の回転に対し、回転方向が逆で、周速度を等しくして、回転しているローラーの溝に、補修を必要とする砥石の先端作業面を押し付け、被加工物を加工できる形状に修正することを特徴とするドレッシング装置。  On the table of the grinding machine, a dressing device having grooves on the outer peripheral surface of the roller and the entire circumference is mounted, and the rotating roller groove is rotated with the rotation direction being opposite and the peripheral speed being equal to the rotation of the grindstone. The dressing device is characterized in that the tip working surface of a grindstone that requires repair is pressed into a shape that allows the workpiece to be machined. 前記ローラーの外周面に形状の異なる複数の溝を有したことを特徴とする請求項１に記載のドレッシング装置。  The dressing apparatus according to claim 1, wherein the outer peripheral surface of the roller has a plurality of grooves having different shapes. 前記ローラーの溝形状において、溝の最深部が複数の異なる半径形状を有することを特徴とする請求項２に記載のドレッシング装置。  3. The dressing device according to claim 2, wherein in the groove shape of the roller, the deepest portion of the groove has a plurality of different radial shapes. 前記ローラーの溝形状において、溝の最深部が砥石の先端作業面と同じ初期状態の形状で、外周面に向かって逃げ角を有することを特徴とする請求項２に記載のドレッシング装置。  3. The dressing apparatus according to claim 2, wherein in the groove shape of the roller, the deepest portion of the groove is in the same initial shape as the tip working surface of the grindstone and has a clearance angle toward the outer peripheral surface. 前記ローラーの溝形状において、片面角度付きと、両面角度付きの溝を複数、有したことを特徴とする請求項２に記載のドレッシング装置。  The dressing apparatus according to claim 2, wherein the groove shape of the roller has a plurality of grooves having a single-sided angle and a double-sided angle. 砥石の初期形状に対応する溝を有したローラーの溝に補修を必要とする砥石の先端作業面を押し付けることにより、被加工物を加工できる形状に修正することを特徴とするドレッシング方法。  A dressing method comprising correcting a workpiece to a shape capable of being processed by pressing a tip working surface of a grindstone that requires repairing into a groove of a roller having a groove corresponding to an initial shape of the grindstone.
JP2005202222A 2005-06-13 2005-06-13 Dressing device and dressing method for grinding wheel Pending JP2006346844A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843972Y1 (en) * 1970-04-29 1973-12-18
JPS61163154U (en) * 1985-03-29 1986-10-09
JPS6317759U (en) * 1986-07-17 1988-02-05
JPH04322969A (en) * 1991-04-22 1992-11-12 Osaka Diamond Ind Co Ltd Tooling-dressing method of diamond grinding wheel
JPH07205024A (en) * 1994-01-20 1995-08-08 Mitsubishi Heavy Ind Ltd Truing method for electrodeposition superfine particle grinding wheel
JPH0911130A (en) * 1995-06-28 1997-01-14 Waida Seisakusho:Kk Dressing method
JPH1094920A (en) * 1996-09-20 1998-04-14 Mazda Motor Corp Machining of involute tooth form
JP2000084852A (en) * 1998-09-07 2000-03-28 Nippon Seiko Kk Dressing device for grinding machine
JP2001009719A (en) * 1999-06-24 2001-01-16 Ota Kk Truing/dressing method and device for super-abrasive grain wheel

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843972Y1 (en) * 1970-04-29 1973-12-18
JPS61163154U (en) * 1985-03-29 1986-10-09
JPS6317759U (en) * 1986-07-17 1988-02-05
JPH04322969A (en) * 1991-04-22 1992-11-12 Osaka Diamond Ind Co Ltd Tooling-dressing method of diamond grinding wheel
JPH07205024A (en) * 1994-01-20 1995-08-08 Mitsubishi Heavy Ind Ltd Truing method for electrodeposition superfine particle grinding wheel
JPH0911130A (en) * 1995-06-28 1997-01-14 Waida Seisakusho:Kk Dressing method
JPH1094920A (en) * 1996-09-20 1998-04-14 Mazda Motor Corp Machining of involute tooth form
JP2000084852A (en) * 1998-09-07 2000-03-28 Nippon Seiko Kk Dressing device for grinding machine
JP2001009719A (en) * 1999-06-24 2001-01-16 Ota Kk Truing/dressing method and device for super-abrasive grain wheel

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