JPH02256464A - Manufacture of gear type dresser - Google Patents

Manufacture of gear type dresser

Info

Publication number
JPH02256464A
JPH02256464A JP7427889A JP7427889A JPH02256464A JP H02256464 A JPH02256464 A JP H02256464A JP 7427889 A JP7427889 A JP 7427889A JP 7427889 A JP7427889 A JP 7427889A JP H02256464 A JPH02256464 A JP H02256464A
Authority
JP
Japan
Prior art keywords
mold
diamond abrasive
gear
abrasive grains
casting
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.)
Granted
Application number
JP7427889A
Other languages
Japanese (ja)
Other versions
JP2996441B2 (en
Inventor
Jiro Chiba
次郎 千葉
Kazuaki Taniguchi
和昭 谷口
Mamoru Ogushi
大串 守
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Diamond Industrial Co Ltd
Original Assignee
Asahi Diamond Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Asahi Diamond Industrial Co Ltd filed Critical Asahi Diamond Industrial Co Ltd
Priority to JP1074278A priority Critical patent/JP2996441B2/en
Publication of JPH02256464A publication Critical patent/JPH02256464A/en
Application granted granted Critical
Publication of JP2996441B2 publication Critical patent/JP2996441B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

PURPOSE:To resolve the reduction of the cutting performance of a gear type dresser by using a gear finished into the preset size and shape as a base mold, manufacturing a reverse mold on the outer periphery of the teeth face of the base mold, sticking diamond abrasive grains on the inner face of the reverse mold, filling the inside of this face to connect a diamond abrasive grain layer and a core metal, and removing the outside reverse mold. CONSTITUTION:A reference gear base mold 4 is made of a low-thermal expansion material, and a thick ring-shaped reverse mold 3 is formed on the teeth face of its outer periphery by electrocasting, casting or resin molding. The gear base mold 4 and the reverse mold 3 are separated by utilizing the thermal expansion difference or the like. Diamond abrasive grains 2 are closely stuck on the inner face 5 of the reverse mold 3, diamond abrasive grains are buried from the inside of the mold by electrocasting, casting or resin molding to form a diamond abrasive grain layer 6. A core metal 7 is erected at the center of the diamond abrasive layer 6, and the diamond abrasive grain layer 6 and the core metal 7 are connected by the casting of a low-melting point alloy or resin molding. A mandrel is inserted into a shaft hole 9, the outside reverse mold 3 is removed, and a desired gear type dresser is obtained.

Description

【発明の詳細な説明】 [産業上の利用分野] 高精度の歯車製造において、仕上げ加工に用いられる酸
化アルミ、炭化珪素等の焼成砥石を極めて高精度に整形
するため第1図に示す歯車型ドレッサを用いる。
[Detailed Description of the Invention] [Industrial Application Field] In the manufacturing of high-precision gears, the gear mold shown in Fig. 1 is used to shape fired grindstones made of aluminum oxide, silicon carbide, etc. used for finishing with extremely high precision. Use a dresser.

本発明はこの歯車型ドレッサの製造方法に関するもので
ある。
The present invention relates to a method of manufacturing this gear type dresser.

[従来の技術] 従来の歯車型ドレッサは電着法により製作されている。[Conventional technology] Conventional gear-type dressers are manufactured by electrodeposition.

第2図にその一部断面を、第3図に貨拡大面図を示す、
その製作法は所定寸法よりダイヤモンド砥粒の直径分だ
けアンダーカットした貨車型台金1を製作し、その外周
歯面部にダイヤモンド砥粒2を電気めっき或いは無電解
めっきで付着させる方法を用いている。
Fig. 2 shows a partial cross section, and Fig. 3 shows an enlarged view of the coin.
The manufacturing method uses a method in which a freight car-shaped base metal 1 is undercut by the diameter of the diamond abrasive grains from a predetermined size, and diamond abrasive grains 2 are attached to the outer peripheral tooth surface part by electroplating or electroless plating. .

電着法で製作されたドレッサは、歯車型台金をいかに高
精度に加工、仕上げても付着させるダイヤモンド砥粒の
直径にはばらつきがあって、白金よりの高さ寸法を均一
にすることは困難である。そのためダイヤモンド砥粒層
の高さを一定に揃えるように、歯車研磨機を使用し、歯
面のダイヤモンド砥粒層をダイヤモンド砥石で研磨し高
さの修正を行っている。修正されたダイヤモンド砥粒は
先端が平になって、ドレッサの切れ味が劣化する。また
滑らかな歯形曲線に整形するために#170程度の小さ
なダイヤモンド砥粒しか使用できない不利な点がある。
For dressers manufactured using the electrodeposition method, no matter how precisely the gear-shaped base metal is processed and finished, the diameter of the diamond abrasive grains attached varies, and it is difficult to make the height dimension uniform than that of platinum. Have difficulty. Therefore, in order to keep the height of the diamond abrasive grain layer constant, a gear grinder is used and the diamond abrasive grain layer on the tooth surface is polished with a diamond grindstone to correct the height. The modified diamond abrasive grains have flattened tips and the sharpness of the dresser deteriorates. Another disadvantage is that only diamond abrasive grains as small as #170 can be used to form a smooth tooth profile curve.

更に第3図のようにめっき皮膜の厚さが歯先部比と歯元
部H3とでは大きな厚さの差(H,>H,)となりダイ
ヤモンド砥粒の保持力に差が見られる。一方製造技術上
の問題とは別に使用上の問題点として第3図の歯先エツ
ジ部21のダイヤモンド砥粒にかかる負荷は大きく砥粒
の脱落やめっき皮膜の剥離が起こっている。まためっき
皮膜の厚さの不均一による薄い部分でのダイヤモンド砥
粒の脱落が見られる。
Further, as shown in FIG. 3, there is a large difference in the thickness of the plating film between the tooth tip portion and the tooth root portion H3 (H, > H), and a difference is seen in the holding power of the diamond abrasive grains. On the other hand, apart from the manufacturing technology problem, there is a problem in use that the load applied to the diamond abrasive grains at the tooth tip edge portion 21 shown in FIG. 3 is large, causing the abrasive grains to fall off and the plating film to peel off. In addition, diamond abrasive grains were observed to fall off in thin areas due to uneven thickness of the plating film.

[発明が解決しようとする課題] 本発明の課題は、精度不足、或いはその精度不足を補う
ための研磨による工数増加、ダイヤモンド砥粒の磨滅、
そのための切れ味低下、更にはめつき厚のばらつきによ
るダイヤモンド砥粒の保持力不足、脱落など電着法に起
因する多くの不具合点を解決する新規の製造法を提供す
ることにある。。
[Problems to be Solved by the Invention] The problems to be solved by the present invention are: lack of precision, increased man-hours due to polishing to compensate for the lack of precision, abrasion of diamond abrasive grains,
The object of the present invention is to provide a new manufacturing method that solves many problems caused by the electrodeposition method, such as a decrease in sharpness due to this, insufficient holding power of diamond abrasive grains due to variations in plating thickness, and falling off. .

以下本発明を外径平歯車型ドレッサを例としてその製造
方法を図面に従って詳細に説明する。
EMBODIMENT OF THE INVENTION Hereinafter, the manufacturing method of the present invention will be explained in detail with reference to the drawings, taking an outer diameter spur gear type dresser as an example.

先ず第4図において基準の歯車母型4を低熱膨張の材料
で作り、その外周歯面に電鋳、鋳造成いは樹脂成型等で
、厚肉リング状の反転型3を形成する。次に歯車母型4
と反転型3とを熱膨張差等を利用して分離させる。次い
で反転型3の内面5にダイヤモンド砥粒2を密着させ、
型の内側から電鋳、鋳造成いは樹脂成型等でダイヤモン
ド砥粒を埋め込みダイヤモンド砥粒層6を形成する。ダ
イヤモンド砥粒層6の中心に芯金7を立て、低融点合金
の鋳造、樹脂成型等の方法8にてダイヤモンド砥粒層6
と芯金7とを接合する1反転型3の外径を基準として心
出しを行い軸穴9、端面lOの順に加工、仕上げる0次
いで軸穴9にマンドレルを通し外側の反転型3を研削等
の方法で除去しダイヤモンド砥粒層6を露出させ第7図
の歯車型ドレッサが完成する。
First, as shown in FIG. 4, a reference gear mother mold 4 is made of a material with low thermal expansion, and a thick ring-shaped inverted mold 3 is formed on the outer peripheral tooth surface by electroforming, casting, resin molding, or the like. Next, gear matrix 4
and the inverted mold 3 are separated by using a difference in thermal expansion or the like. Next, diamond abrasive grains 2 are brought into close contact with the inner surface 5 of the inversion mold 3,
Diamond abrasive grains are embedded from the inside of the mold by electroforming, casting, resin molding, etc. to form a diamond abrasive grain layer 6. A core bar 7 is placed in the center of the diamond abrasive layer 6, and the diamond abrasive layer 6 is formed by a method 8 such as casting a low melting point alloy or resin molding.
and core metal 7 are joined together 1. Centering is done based on the outer diameter of the inverted mold 3, and the shaft hole 9 and end face 10 are machined and finished in this order. 0. Next, a mandrel is passed through the shaft hole 9, and the outer inverted mold 3 is ground, etc. The diamond abrasive layer 6 is exposed by the method shown in FIG. 7, and the gear-shaped dresser shown in FIG. 7 is completed.

[実 施 例] インボリュート歯形、モジュール2.5、圧力角20°
、歯数20枚、外径55mmの仕様の平歯車用ドレッサ
の製造法について第4図以降を用いて説明する。先ず低
熱膨張材の鉄系インバーで上記仕様の基準歯車を造り母
型4とした。
[Example] Involute tooth profile, module 2.5, pressure angle 20°
A method of manufacturing a spur gear dresser having specifications of 20 teeth and an outer diameter of 55 mm will be described with reference to FIG. 4 and subsequent figures. First, a standard gear with the above specifications was made of iron-based Invar, a low thermal expansion material, and used as a mother mold 4.

貨車外局面に高速ニッケルめっきを施し肉厚約5mのリ
ング状電鋳反転型3を造った0次いで反転型3と母型4
とを取り外すため沸騰した湯の中に入れ、母型(鉄系イ
ンバー;熱膨張係数2XIO−” )と電鋳反転型にッ
ケル;熱膨張係数12.8X10−1)との熱膨張差を
利用して剥離させた。第5図の電鋳反転型3の内面5に
#40のダイヤモンド砥粒を密着させ、型の内側からニ
ッケルめっきによりダイヤモンド砥粒を埋め込んでいき
厚さ約3IllIの電鋳ダイヤモンド層6を形成した0
次に第6図電鋳ダイヤモンド層6の中心部に鉄芯金7(
炭素鋼845G)を立て、第8図のように治具11上に
組み立て、治具と共に約150℃の炉中に入れ約30分
加熱保持した。一方電鋳ダイヤモンド層6と鉄芯金7と
の隙間を埋める金属として錫系低融点合金8(18%錫
−鉛)を約180℃に加熱溶融し、第8図の湯口12か
ら流し込み電鋳ダイヤモンド層6と鉄芯金7を接合させ
た。
High-speed nickel plating was applied to the outside surface of the freight car, and a ring-shaped electroformed inverted mold 3 with a wall thickness of about 5 m was made.Then, the inverted mold 3 and the matrix 4
To remove the mold, put it in boiling water and use the difference in thermal expansion between the mother mold (iron-based invar; thermal expansion coefficient 2XIO-") and the electroformed inverted mold (thermal expansion coefficient 12.8X10-1). #40 diamond abrasive grains were brought into close contact with the inner surface 5 of the electroforming reversal mold 3 shown in Fig. 5, and the diamond abrasive grains were embedded from the inside of the mold by nickel plating to form an electroformed mold with a thickness of about 3IllI. 0 that formed the diamond layer 6
Next, the iron core metal 7 (
Carbon steel 845G) was stood up, assembled on a jig 11 as shown in FIG. 8, and placed in a furnace at about 150° C. together with the jig and kept heated for about 30 minutes. On the other hand, as a metal to fill the gap between the electroformed diamond layer 6 and the iron core 7, a tin-based low melting point alloy 8 (18% tin-lead) is heated to about 180°C and melted, and poured through the sprue 12 shown in Fig. 8 for electroforming. The diamond layer 6 and the iron core metal 7 were joined.

電鋳反転型3の外径を基準として芯出しを行い軸穴9、
端面10の順で加工、仕上げた6次いで軸穴9にマンド
レルを通し外側の電鋳反転型3を研削除去し、ダイヤモ
ンド砥粒層6を露出させ第7図に示す歯車型ドレッサが
完成した。
Centering is done based on the outer diameter of the electroforming reversal mold 3, and the shaft hole 9,
The end face 10 was machined and finished in this order, and then a mandrel was passed through the shaft hole 9, and the outer electroformed inverted mold 3 was ground away to expose the diamond abrasive layer 6, completing the gear-shaped dresser shown in FIG.

完成したドレッサのオーバービン径DBを測定した。測
定法を第9図に示す、比較のため電着法ドレッサの測定
値と共に第1表に示す。オーバービン径DBの計算値は
ビン径4.50−のオーバービン13を使用した場合5
6.58mmとなる。尚電着法のものは#170のダイ
ヤモンド砥粒が使用されている。
The overbin diameter DB of the completed dresser was measured. The measuring method is shown in FIG. 9, and for comparison, the measured values of the electrodeposition method dresser are also shown in Table 1. The calculated value of overbin diameter DB is 5 when using overbin 13 with a bin diameter of 4.50-
It becomes 6.58mm. In the electrodeposition method, #170 diamond abrasive grains are used.

電着法のオーバービン径DBのばらつき0゜41−に対
し本発明によるもののばらつきは0.09IIIImと
精度が向上している。′5!に第10図は歯車試験機に
より歯面(ダイヤモンド面)の凹凸を測定したものであ
り第11図に示される測定方向14で両者を比較すると
電着法のものはダイヤモンドの先端が0.012〜0.
013mmと不揃いであり、−古本発明の方法によるも
のは0.004〜0,0.05mと良く揃っている。従
って本発明のものによる砥石の成形の結果は電着法のも
のによるより精度良く仕上げることができた。
The variation in overbin diameter DB of the electrodeposition method is 0°41-, whereas the variation according to the present invention is 0.09IIIm, which improves accuracy. '5! Figure 10 shows the measurement of the unevenness of the tooth surface (diamond surface) using a gear testing machine.Comparing the two in the measurement direction 14 shown in Figure 11, the tip of the diamond in the electrodeposition method is 0.012 mm. ~0.
0.013 mm, and those made by the method of the old invention are well aligned, ranging from 0.004 to 0.05 m. Therefore, as a result of forming the grindstone according to the present invention, it was possible to finish the grindstone with higher precision than that obtained using the electrodeposition method.

[発明の効果] 本発明の方法で電着法の不利とされている点が大巾に改
善された。第一にはダイヤモンド砥粒径のばらつきがあ
っても所定の寸法に揃えることができ、歯面の修正研磨
が不要となり、従ってダイヤモンド砥粒の磨滅による切
れ味の低下も無くなる。第二の問題点のダイヤモンド砥
粒の脱落に関してはダイヤモンド砥粒径が電着法の#1
70より大きい#40を埋め込むことができ、砥粒の保
持層も2〜3閤と厚くでき、保持力が強力となって脱落
の心配も無くなった。
[Effects of the Invention] The disadvantages of the electrodeposition method have been greatly improved by the method of the present invention. Firstly, even if the diameter of the diamond abrasive grains varies, it can be made uniform to a predetermined size, eliminating the need for corrective polishing of the tooth surface, and therefore eliminating deterioration in sharpness due to abrasion of the diamond abrasive grains. Regarding the second problem, diamond abrasive grains falling off, the diamond abrasive grain size is #1 in the electrodeposition method.
#40, which is larger than #70, can be embedded, and the abrasive retention layer can be made as thick as 2 to 3 layers, and the retention force is strong, so there is no need to worry about it falling off.

また歯先のエツジ21の砥粒は歯面の砥粒より1〜2段
階大きいものを使用し脱落防止と同時に耐摩耗性を向上
させることができた。第三に母型は再使用が可能tあ゛
るから一定品質のものが繰返し生産できるようになった
。切れ味低下の防止、砥粒の脱落防止によりドレッサの
寿命の大巾アップが達成された。
Furthermore, the abrasive grains on the edge 21 of the tooth tip were one to two steps larger than the abrasive grains on the tooth surface, thereby preventing the tooth from falling off and at the same time improving wear resistance. Thirdly, since the matrix can be reused, it has become possible to repeatedly produce products of a constant quality. The lifespan of the dresser has been greatly extended by preventing sharpness from deteriorating and abrasive grains from falling off.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は歯車型ドレッサの断面図、第2図は電着法歯車
型ドレッサの断面図、第3図は電着法歯車型ドレッサの
一部拡大断面図、第4図乃至第7図は本発明に係る歯車
型ドレッサ製造方法順序を示す横断面図、第8図は第7
図の縦断正面図、第9図はオーバービン径の測定説明図
、第10図は歯車試験機による歯面の凹突測定グラフ、
第11図は歯面測定方向を示す斜視図である。 3・・・反転型 4・・・歯車母型 5・・・反転型内
面6・・・ダイヤモンド砥粒層 7・・・芯金 8・・
・接合材 9・・・軸穴 gll ρ 図 第1 図 鵠 第 δ 図 第1θ 図 矧 N
Figure 1 is a sectional view of a gear-type dresser, Figure 2 is a sectional view of an electrodeposition gear-type dresser, Figure 3 is a partially enlarged sectional view of an electrodeposition gear-type dresser, and Figures 4 to 7 are 8 is a cross-sectional view showing the sequence of the gear type dresser manufacturing method according to the present invention.
Fig. 9 is a diagram explaining the measurement of the overbin diameter, Fig. 10 is a graph of measuring the protrusions on the tooth surface using a gear testing machine,
FIG. 11 is a perspective view showing the tooth surface measurement direction. 3... Inverted mold 4... Gear mother mold 5... Inverted mold inner surface 6... Diamond abrasive layer 7... Core metal 8...
・Jointing material 9...Shaft hole gll ρ Figure 1 Figure 1 θ Figure 1 θ Figure 矧N

Claims (1)

【特許請求の範囲】[Claims] 所定の寸法、形状に仕上げた歯車を母型とし、母型の歯
面外周部に電鋳法、鋳造法、樹脂成型法等によって反転
型を製作し、反転型の内面にダイヤモンド砥粒を付着さ
せ、電鋳法、鋳造法、樹脂成型法等のいずれかの方法で
ダイヤモンド砥粒を付着させた面の内側を充填してダイ
ヤモンド砥粒を固着させ、しかる後芯金とダイヤモンド
砥粒層を接合し、外側の反転型を取り除いた歯車型ドレ
ッサの製造方法。
A gear finished to the specified dimensions and shape is used as a mother mold, and an inverted mold is manufactured on the outer periphery of the tooth surface of the mother mold by electroforming, casting, resin molding, etc., and diamond abrasive grains are attached to the inner surface of the inverted mold. Then, the inside of the surface to which the diamond abrasive grains are attached is filled by electroforming, casting, resin molding, etc. to fix the diamond abrasive grains, and then the core metal and the diamond abrasive layer are bonded. A method for manufacturing a gear-shaped dresser that is joined together and the outer inverted mold is removed.
JP1074278A 1989-03-27 1989-03-27 Manufacturing method of gear type dresser Expired - Fee Related JP2996441B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1074278A JP2996441B2 (en) 1989-03-27 1989-03-27 Manufacturing method of gear type dresser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1074278A JP2996441B2 (en) 1989-03-27 1989-03-27 Manufacturing method of gear type dresser

Publications (2)

Publication Number Publication Date
JPH02256464A true JPH02256464A (en) 1990-10-17
JP2996441B2 JP2996441B2 (en) 1999-12-27

Family

ID=13542483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1074278A Expired - Fee Related JP2996441B2 (en) 1989-03-27 1989-03-27 Manufacturing method of gear type dresser

Country Status (1)

Country Link
JP (1) JP2996441B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537456U (en) * 1991-10-24 1993-05-21 本田技研工業株式会社 Gear type dresser for grinding wheel
WO2007000831A1 (en) * 2005-06-27 2007-01-04 A.L.M.T. Corp. Diamond rotary dresser for gear and method for truing and dressing gear processing grinding wheel using the rotary dresser
JP2010089189A (en) * 2008-10-06 2010-04-22 Mitsubishi Materials Corp Method for manufacturing internal gear type electrodeposited tool and internal gear type electrodeposited tool
JP2011126006A (en) * 2009-12-17 2011-06-30 Reishauer Ag Whole profile dressing roll for dressing plurality of lines of cylindrical grinding worms
JP2018086720A (en) * 2016-11-28 2018-06-07 カップ ヴェルクゾイグマシーネン ゲー エム ベー ハーKAPP Werkzeugmaschinen GmbH Method for dressing grinding worm using dressing roll and dressing roll

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856768A (en) * 1981-09-25 1983-04-04 Osaka Daiyamondo Kogyo Kk Manufacturing method for rotary dressor
JPS5890465A (en) * 1981-11-13 1983-05-30 Osaka Daiyamondo Kogyo Kk Method of producing rotary dresser

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5856768A (en) * 1981-09-25 1983-04-04 Osaka Daiyamondo Kogyo Kk Manufacturing method for rotary dressor
JPS5890465A (en) * 1981-11-13 1983-05-30 Osaka Daiyamondo Kogyo Kk Method of producing rotary dresser

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0537456U (en) * 1991-10-24 1993-05-21 本田技研工業株式会社 Gear type dresser for grinding wheel
WO2007000831A1 (en) * 2005-06-27 2007-01-04 A.L.M.T. Corp. Diamond rotary dresser for gear and method for truing and dressing gear processing grinding wheel using the rotary dresser
JPWO2007000831A1 (en) * 2005-06-27 2009-01-22 株式会社アライドマテリアル Diamond rotary dresser for gears and truing and dressing method of gear grinding wheel using the same
JP4781358B2 (en) * 2005-06-27 2011-09-28 株式会社アライドマテリアル Diamond rotary dresser for gears and truing and dressing method of gear grinding wheel using the same
JP2010089189A (en) * 2008-10-06 2010-04-22 Mitsubishi Materials Corp Method for manufacturing internal gear type electrodeposited tool and internal gear type electrodeposited tool
JP2011126006A (en) * 2009-12-17 2011-06-30 Reishauer Ag Whole profile dressing roll for dressing plurality of lines of cylindrical grinding worms
JP2018086720A (en) * 2016-11-28 2018-06-07 カップ ヴェルクゾイグマシーネン ゲー エム ベー ハーKAPP Werkzeugmaschinen GmbH Method for dressing grinding worm using dressing roll and dressing roll

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