JPS62815Y2 - - Google Patents
Info
- Publication number
- JPS62815Y2 JPS62815Y2 JP1982105071U JP10507182U JPS62815Y2 JP S62815 Y2 JPS62815 Y2 JP S62815Y2 JP 1982105071 U JP1982105071 U JP 1982105071U JP 10507182 U JP10507182 U JP 10507182U JP S62815 Y2 JPS62815 Y2 JP S62815Y2
- Authority
- JP
- Japan
- Prior art keywords
- base material
- grinding wheel
- grinding
- threaded
- threaded rack
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 16
- 239000006061 abrasive grain Substances 0.000 claims description 9
- 239000002356 single layer Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Description
【考案の詳細な説明】
本考案は主としてねじ歯車の歯面を研削する砥
石に関するものである。[Detailed Description of the Invention] The present invention mainly relates to a grindstone for grinding the tooth surface of a screw gear.
この種の砥石は車輪形で、その外周面をねじ状
ラツクに形成するものであるが、従来のものはビ
トリフアイド砥石及びレジノイド砥石であるた
め、砥粒相互間に無数の気孔があり、砥石の回転
バランスにバラツキがある。 This type of whetstone is wheel-shaped, and its outer circumferential surface is formed into a screw-like rack. Conventional whetstones are vitrified whetstones and resinoid whetstones, so there are countless pores between the abrasive grains, which makes the whetstone There are variations in rotational balance.
そこでバランスウエイトを付けるなどして回転
バランスの修正を行つているが完全な修正は困難
である。従つて砥石を高速回転させることが出来
ず研削能率が低いのは免れ得なかつた。 Therefore, attempts have been made to correct the rotational balance by adding balance weights, but it is difficult to completely correct the rotational balance. Therefore, the grinding wheel cannot be rotated at a high speed and the grinding efficiency is inevitably low.
本考案は上記従来の歯車研削用砥石における問
題点を解決するもので、中心に研削盤の砥石軸に
対する取付部１を一体に有する円筒形金属製砥石
母材２の外周面に、ねじ状ラツク３を形成し、そ
の砥石母材２の長さを、上記ねじ状ラツク３の半
ねじピツチの奇数倍に設定することにより、砥石
母材２の両端面周縁に形成される不完全ねじ部３
１，３２を互いに180゜位相をずらし、ねじ状ラ
ツク３の歯面に超硬質砥粒の単層砥粒層４を設け
たことを要旨とする。 The present invention solves the problems with the conventional gear grinding wheels. A threaded rack 3 is formed on the outer periphery of a cylindrical metallic grinding wheel base material 2 having an integral mounting portion 1 for mounting to the wheel shaft of a grinding machine at its center. The length of the grinding wheel base material 2 is set to an odd multiple of the half thread pitch of the threaded rack 3, thereby eliminating the incomplete thread portion 3 formed on the periphery of both end faces of the grinding wheel base material 2.
The threaded rack 3 has a single layer 4 of ultra-hard abrasive grains provided on the tooth surface thereof.
実施例の砥石軸取付部１はテーパ穴を示した
が、テーパボスを設けるものもある。砥石母材２
は鉄系を可とする硬質の金属で作り、ねじ状ラツ
ク３の歯形並びにピツチ等は、被研削歯車によつ
て決まるものである。砥粒層４に用いる超硬質砥
粒としては、立方晶窒化ホウ素・ダイヤモンドな
どを用いる。そして母材２に対する上記砥粒の単
層結合はメツキ手段、即ち電着結合がよい。 Although the grindstone shaft mounting portion 1 of the embodiment has a tapered hole, there is also a grindstone shaft mounting portion 1 having a tapered boss. Grinding wheel base material 2
is made of a hard metal such as iron, and the tooth profile, pitch, etc. of the threaded rack 3 are determined by the gear to be ground. As the ultra-hard abrasive grains used in the abrasive grain layer 4, cubic boron nitride, diamond, etc. are used. The monolayer bonding of the abrasive grains to the base material 2 is preferably performed by plating means, that is, electrodeposition bonding.
本考案歯車研削用砥石は上記のように、円筒形
金属製砥石母材２の長さを、その母材２の外周面
に形成したねじ状ラツク３の半ねじピツチの奇数
倍に設定することにより、そのねじ状ラツク３に
連なる母材両端周縁の不完全ねじ部３１，３２
を、互いに180゜位相がずれた形に形成したか
ら、すなわち母材両端面の不完全ねじ部３１，３
２を、特に母材２の軸線に対し対称となるように
形成したので、中央のねじ部３が完全ねじで対称
であることと相まつて母材２の回転バランス精度
が良好である。 As described above, the gear grinding wheel of the present invention has the length of the cylindrical metal grindstone base material 2 set to an odd number multiple of the half-thread pitch of the threaded rack 3 formed on the outer peripheral surface of the base material 2. As a result, incompletely threaded portions 31 and 32 on the periphery of both ends of the base material are connected to the threaded rack 3.
are formed to be 180° out of phase with each other, that is, the incompletely threaded portions 31, 3 on both end faces of the base material
2 is formed so as to be symmetrical with respect to the axis of the base material 2, so that the center threaded portion 3 is completely threaded and symmetrical, and the rotational balance accuracy of the base material 2 is good.
そして上記のように高精度の回転バランスがと
れている母材２のねじ状ラツク３の歯面に、超硬
質砥粒の砥粒層４を単層に設けたから、砥面の振
動がなく、高速回転研削が可能で、高精度の仕上
げ加工を能率良く実施できるものである。 As mentioned above, since the abrasive grain layer 4 of ultra-hard abrasive grains is provided in a single layer on the tooth surface of the threaded rack 3 of the base material 2, which has a highly accurate rotational balance, there is no vibration of the abrasive surface. It is capable of high-speed rotational grinding and enables efficient finishing with high precision.
第１図は本考案砥石の正面図、第２図は第１図
Ａ−Ａ線に沿う縦断側面図、第３図は背面図。
１は取付部、２は母材、３はねじ状ラツク、３
１，３２は不完全ねじ部、４は単層砥粒層。
FIG. 1 is a front view of the grindstone of the present invention, FIG. 2 is a vertical side view taken along line A-A in FIG. 1, and FIG. 3 is a rear view. 1 is the mounting part, 2 is the base material, 3 is the threaded rack, 3
1 and 32 are incompletely threaded parts, and 4 is a single abrasive grain layer.
Claims (1)
有する円筒形金属製砥石母材の外周面にねじ状ラ
ツクを形成し、その砥石母材の長さを、上記ねじ
状ラツクの半ねじピツチの奇数倍に設定すること
により、砥石母材の両端面周縁に形成される不完
全ねじ部を互いに180゜位相をずらし、ねじ状ラ
ツクの歯面に超硬質砥粒の単層砥粒層を設けた歯
車研削用砥石。 A threaded rack is formed on the outer circumferential surface of a cylindrical metal grindstone base material that integrally has a mounting part for the grinding wheel shaft of a grinding machine in the center, and the length of the grindstone base material is determined by the half-thread pitch of the threaded rack. By setting the ratio to an odd number, the imperfect threads formed on the periphery of both end faces of the grinding wheel base material are shifted 180 degrees from each other, and a single layer of ultra-hard abrasive grains is created on the tooth surface of the threaded rack. Grinding wheel for gear grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10507182U JPS598757U (en) | 1982-07-10 | 1982-07-10 | Grinding wheel for gear grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10507182U JPS598757U (en) | 1982-07-10 | 1982-07-10 | Grinding wheel for gear grinding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS598757U JPS598757U (en) | 1984-01-20 |
| JPS62815Y2 true JPS62815Y2 (en) | 1987-01-09 |
Family
ID=30246448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10507182U Granted JPS598757U (en) | 1982-07-10 | 1982-07-10 | Grinding wheel for gear grinding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS598757U (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57100429U (en) * | 1980-11-18 | 1982-06-21 |
-
1982
- 1982-07-10 JP JP10507182U patent/JPS598757U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS598757U (en) | 1984-01-20 |
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