JPS5894966A - Measuring method of abrasive grain ejection quantity in grindstone - Google Patents
Measuring method of abrasive grain ejection quantity in grindstoneInfo
- Publication number
- JPS5894966A JPS5894966A JP19321381A JP19321381A JPS5894966A JP S5894966 A JPS5894966 A JP S5894966A JP 19321381 A JP19321381 A JP 19321381A JP 19321381 A JP19321381 A JP 19321381A JP S5894966 A JPS5894966 A JP S5894966A
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- abrasive grains
- flow
- grinding wheel
- grindstone
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/22—Measuring arrangements characterised by the use of fluids for measuring roughness or irregularity of surfaces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、研削加工に用いられる研削砥石に関し、特に
研削砥石−ζおける砥粒を固定する結合剤からの砥粒の
突出量を測定する方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a grinding wheel used for grinding, and more particularly to a method for measuring the amount of protrusion of abrasive grains from a binder that fixes the abrasive grains in a grinding wheel-ζ.
研削加工においては、砥石のブルーイング（！Ｉ！直し
）及びドレッシングを正確に管理することが製品の精度
に大きな影−を与える。ブルーイングに関しては１寸法
精度を出すことが比較的容易であるが、ドレッシングの
場合には、研削砥石表面の砥粒と結合剤との目づまりの
伏１を正確に把握することは困雌であった。In the grinding process, accurately controlling the bluing (!I! repair) and dressing of the grinding wheel has a large impact on the accuracy of the product. In bluing, it is relatively easy to achieve one-dimensional accuracy, but in dressing, it is difficult to accurately grasp the clogging of the abrasive grains and binder on the surface of the grinding wheel. Ta.
そして、ドレッシングの目づまり状態を正確に管理しな
いまま加工を行うと ａ品の寸法精度。If processing is performed without accurately controlling the clogged state of the dressing, the dimensional accuracy of product a will deteriorate.
仕上面精度に照影−が生ずるという間層があった。There was a problem in that the accuracy of the finished surface was affected by illumination.
これに対し、従来、第５図屹示すよう番【、砥石１の表
面に接触子４を走査さ電、接触子４が砥粒２及び結合剤
５に倣って走査される際、砥石層に対して垂直方向への
変位を測定することｋよ傍。On the other hand, conventionally, as shown in FIG. To measure the displacement in the vertical direction.
砥石１の砥粒突き出し量を測定していた。この方法によ
ると、接触子４の先端半径が突出量測定値に対して大き
な影響を与え、また、接触子４の半径の選択及び摩耗に
よる変化を考慮する必要があった。さらに、得られた測
定値は、２次元断面であるため、正値に評価するためｋ
は、数個所の測定を行って平均をとる必要があり９手数
を多く要した。The amount of abrasive grains protruding from the grindstone 1 was being measured. According to this method, the tip radius of the contactor 4 has a large influence on the measured value of the protrusion amount, and it is also necessary to consider the selection of the radius of the contactor 4 and changes due to wear. Furthermore, since the obtained measured value is a two-dimensional cross section, in order to evaluate it as a positive value, k
In this case, it was necessary to take measurements at several locations and take the average, which required nine steps.
本発明は、上述の問題に鑑みなされたものであ抄、研削
砥石の砥粒の結合剤からの突き出し量を精度よく測定す
ることｋよ秒、研削加工時の最適な砥粒突き出し量を決
定し、加工精度の向上及び加工コストの低域を図ること
を目的とする。The present invention was developed in view of the above-mentioned problems.It is an object of the present invention to accurately measure the amount of protrusion of the abrasive grains from the binder of the grinding wheel and to determine the optimal amount of abrasive grain protrusion during the grinding process. The purpose is to improve machining accuracy and reduce machining costs.
この目的は、研削砥石に対し、流体を流通せしめる流通
孔を有したノズルを近づけて砥粒に当接させ、流体をノ
ズルを介して研削砥石との周隙に流通させることによ抄
、流量の変化を介して研削砥石の砥粒の結合剤からの突
出量を測定することによって達成される。The purpose of this is to bring a nozzle with a flow hole that allows fluid to flow close to the grinding wheel so that it comes into contact with the abrasive grains, and to flow the fluid through the nozzle into the gap between the grinding wheel and the grinding wheel. This is achieved by measuring the amount of protrusion of the abrasive grains of the grinding wheel from the binder through the change in .
以下図面に基づき０本発明の実施例の測定方法を詳細に
説明する。EMBODIMENT OF THE INVENTION The measuring method of the Example of this invention is demonstrated in detail based on drawing below.
第１図は、平面砥石に対し本発明を適用した実施例の断
面図である。FIG. 1 is a sectional view of an embodiment in which the present invention is applied to a flat grindstone.
５は、砥粒２を固定する結合剤であって、砥粒２は結合
剤５から所定量＜ｈ＞の突出量を有している。５は本発
明の測定に用いられるノズルである。ノズル５には、研
削砥石１化所定距離をもって対向する研削砥石１と平行
な底面６を有し、ｆ。5 is a binder for fixing the abrasive grains 2, and the abrasive grains 2 protrude from the binder 5 by a predetermined amount <h>. 5 is a nozzle used in the measurement of the present invention. The nozzle 5 has a bottom surface 6 parallel to the grinding wheel 1 facing the grinding wheel 1 at a predetermined distance, f.
面６の中央部には流体を研削砥石１と鷹ｊｉ６との聞１
１１７に流通せしめるための流通孔８が形状されている
。流通孔８の端部９には、流通する流体の流量を測る流
量計（図示曽ず）が設けられている。In the center of the surface 6, there is a gap between the grinding wheel 1 and the grinding wheel 6.
A flow hole 8 is formed to allow the flow to flow through the flowchart 117. A flow meter (not shown) is provided at the end 9 of the flow hole 8 to measure the flow rate of the flowing fluid.
次に９本発明化よる研削砥石における砥粒の突き出し量
測定方法の作用を説明する。Next, the operation of the method for measuring the amount of protrusion of abrasive grains in a grinding wheel according to the present invention will be explained.
まず、研削砥石ＩＩと対し、ノズル５をそのｌ！面６が
砥粒２に当接するまで近づける。その後、ノズル５の端
部９から所定圧力ｈの流体を流通路８を介して間１１７
に流通せしめ、＃ｌ定を行う。First, the nozzle 5 is connected to the grinding wheel II. Bring it close until the surface 6 contacts the abrasive grains 2. Thereafter, fluid at a predetermined pressure h is passed from the end 9 of the nozzle 5 through the flow passage 8 to the space 117.
and #l determination.
測定の原理は１次の遥〜である。The principle of measurement is first order.
ノズル５の鷹ｉｉ６の代表径をり、流通孔８の内径をｄ
、流通曽しめる流体の圧力をＰａ、大気圧をＰ・、ＩＩ
ＩＩ定すべ一結合Ｍ５からの砥粒２の突出量をｈとする
と、ｈ（ｄ／嶋という条件の基で。Determine the representative diameter of the nozzle ii6 of the nozzle 5, and determine the inner diameter of the flow hole 8 by d.
, the pressure of the flowing fluid is Pa, and the atmospheric pressure is P., II
II. If the amount of protrusion of the abrasive grains 2 from the fixed joint M5 is h, then h(d/shima) is the condition.
Ｑ＝、□ａｈ、／７でクコク丁７７
なる関係が得られることが知られている。こζにおいて
、Ｃは流量係敬、ｒは空気の単位体債当りの重量である
。It is known that the following relationship can be obtained with Q=, □ah, /7. In this ζ, C is the flow rate and r is the weight per unit of air.
この式かられかるように、流■Ｑと突出量りとは比例関
係にあるので、ノズル５の端１１９に設けた流量検出器
から流量を読みとることにより、突出量りを求めること
ができる。なお、測定精度上ノズル５の代表径りは、＃
１定する研削砥石ｌの最大連続切刃開隔の５倍以上を確
保する必要のあることがわかっている。As can be seen from this equation, there is a proportional relationship between the flow Q and the overhang amount, so by reading the flow rate from the flow rate detector provided at the end 119 of the nozzle 5, the overhang amount can be determined. In addition, for measurement accuracy, the typical diameter of the nozzle 5 is #
It is known that it is necessary to ensure at least 5 times the maximum continuous cutting edge spacing of the grinding wheel l.
以上のような測定方法によれば、従来のように接触子を
走査さ曽る方法−ζ比べ、測定装置の構造が非常に簡単
になり、ノズル５を研削砥石ｉ＜対し近づけて当接させ
た位置で、一度に突出量の平均値りを測定することが可
能である。According to the measurement method described above, the structure of the measuring device is much simpler than the conventional method of scanning the contactor -ζ, and the nozzle 5 is brought into close contact with the grinding wheel i<. It is possible to measure the average value of the protrusion amount at one time at each position.
次に、他の実施例を説明する。Next, another embodiment will be described.
ｌＩ２図は１円筒砥石に本発明の測定方法を適用した状
態を示す断面図である。Figure lI2 is a sectional view showing a state in which the measuring method of the present invention is applied to a cylindrical grindstone.
この実施例においては、ノズル１ｏの形状を曲面形状に
合わ電た底面１１とすることｋよって、第１の実施例と
同様の手順によ秒、突出量の測定が可能である。In this embodiment, since the shape of the nozzle 1o is made to have a bottom surface 11 that matches the curved surface shape, it is possible to measure the amount of protrusion in a second using the same procedure as in the first embodiment.
なお１以上の実施例によれば、ノズルの端部に流量計を
接続して測定する方法に関し説明したが。Note that in accordance with one or more embodiments, a method of measuring flow by connecting a flow meter to the end of the nozzle has been described.
それ以外にもノズルの端部に背圧型若しくは流速型の検
出器を接続することにより、突出量の測定をすることも
可能である。In addition, it is also possible to measure the amount of protrusion by connecting a back pressure type or flow velocity type detector to the end of the nozzle.
以上述べたように１本発明による測定方法によれば、研
削砥石の結合剤からの砥粒の突出量を簡便かつ正確に測
定することが可能であり、これ−とよって製品の仕上精
度を正確に管理することができ、加工能率が向上すると
いう効果がある。As described above, according to the measuring method according to the present invention, it is possible to easily and accurately measure the amount of protrusion of abrasive grains from the binder of a grinding wheel, thereby making it possible to accurately measure the finishing accuracy of a product. This has the effect of improving machining efficiency.
第１図は、平向砥石に対し本発明を適用した実施例の断
面図、第２図は１円筒砥石番ζ本発明を適用した実施例
の断面図、そして第５図は、従来の実施例の断面図であ
る。
１ 、１’−−−−・研削砥石、２−・・−砥粒、５・
・・・・・結合剤、５．１０−・・・・ノズル。
特許出願人
トヨタ自動車工業株式会社
代表者森田俊夫
第 １ 図
第２図 第３図
手続補正書（自発）
昭和５６年１２月２８日
特許庁長官島−春榔 殿
（特許庁審査官 殿）１、事
件の表示
ｌｌ土１１ζＩけ墨ｌ−０轟−瓜し１「關’Ｈ＊市Ｉ３
、補正をする者
事件との関係 特許幽■人Fig. 1 is a sectional view of an embodiment in which the present invention is applied to a flat grindstone, Fig. 2 is a sectional view of an embodiment in which the present invention is applied to a cylindrical grindstone number ζ, and Fig. 5 is a sectional view of an embodiment in which the present invention is applied to a flat grindstone. FIG. 3 is an example cross-sectional view. 1, 1'--Grinding wheel, 2--Abrasive grain, 5-
...Binder, 5.10-...Nozzle. Patent Applicant Toyota Motor Corporation Representative Toshio Morita No. 1 Figure 2 Figure 3 Procedural Amendment (Voluntary) December 28, 1980 Patent Office Commissioner Shima - Mr. Harusaku (Patent Office Examiner) 1 , Incident display ll earth 11
, Relationship with the case of the person making the amendment
Claims (1)
の砥粒の突出量を測定する方法であうで。 前記研削砥石の外周面に一定距離を隔て対向可能なａｉ
ｉを有し、＃記Ｊｌ！画の中央部に流体を流遍曽しめる
流通孔が形状されるノズルを前記研削砥石の外周面に近
づけて砥粒と当接させた状態において前記流通孔から前
記ノズルの底面と前記研削砥石の外周面の開離に流体を
流通させ、前記流体の流量を検知するξとｋよ〜、砥粒
の結合剤からの突出量を測定することを特徴とする研削
砥石における砥粒の突き出し量測定方法。[Scope of Claim] A method for measuring the amount of protrusion of abrasive grains from the binder of a grinding wheel in which abrasive grains are fixed by a binder. ai that can face the outer peripheral surface of the grinding wheel at a certain distance;
i and #note Jl! A nozzle, which has a flow hole formed in the center of the image that allows the fluid to flow uniformly, is brought close to the outer peripheral surface of the grinding wheel and brought into contact with the abrasive grains. Measuring the amount of protrusion of abrasive grains in a grinding wheel, characterized by flowing fluid through the separation of the outer circumferential surface, detecting the flow rate of the fluid, and measuring the amount of protrusion of abrasive grains from a binder. Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19321381A JPS5894966A (en) | 1981-11-30 | 1981-11-30 | Measuring method of abrasive grain ejection quantity in grindstone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19321381A JPS5894966A (en) | 1981-11-30 | 1981-11-30 | Measuring method of abrasive grain ejection quantity in grindstone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5894966A true JPS5894966A (en) | 1983-06-06 |
Family
ID=16304179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19321381A Pending JPS5894966A (en) | 1981-11-30 | 1981-11-30 | Measuring method of abrasive grain ejection quantity in grindstone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5894966A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60232870A (en) * | 1984-05-04 | 1985-11-19 | Kazuhiko Yokogawa | Grinding wheel correction device |
| JPH02152767A (en) * | 1988-11-30 | 1990-06-12 | Juki Corp | Dresser and dressing device for grindstone |
| JP2008080480A (en) * | 2006-09-28 | 2008-04-10 | Mitsubishi Materials Corp | Measuring method of number of active abrasive grain on conditioning disc |
-
1981
- 1981-11-30 JP JP19321381A patent/JPS5894966A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60232870A (en) * | 1984-05-04 | 1985-11-19 | Kazuhiko Yokogawa | Grinding wheel correction device |
| JPH042390B2 (en) * | 1984-05-04 | 1992-01-17 | ||
| JPH02152767A (en) * | 1988-11-30 | 1990-06-12 | Juki Corp | Dresser and dressing device for grindstone |
| JP2008080480A (en) * | 2006-09-28 | 2008-04-10 | Mitsubishi Materials Corp | Measuring method of number of active abrasive grain on conditioning disc |
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