JP2005186188A - Grinding wheel flange for multi-product small-amount machining - Google Patents

Grinding wheel flange for multi-product small-amount machining Download PDF

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Publication number
JP2005186188A
JP2005186188A JP2003428857A JP2003428857A JP2005186188A JP 2005186188 A JP2005186188 A JP 2005186188A JP 2003428857 A JP2003428857 A JP 2003428857A JP 2003428857 A JP2003428857 A JP 2003428857A JP 2005186188 A JP2005186188 A JP 2005186188A
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flange
grinding wheel
grindstone
wheel flange
grinding
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JP2003428857A
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Japanese (ja)
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Masamichi Sano
稚通 左野
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Moldino Tool Engineering Ltd
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Hitachi Tool Engineering Ltd
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Priority to JP2003428857A priority Critical patent/JP2005186188A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem, wherein it takes much time and man-hours to correct run-out of a grinding wheel flange because the run-out of the grinding wheel flange exerts large influence upon the shape and dimensional accuracy of the grinding workpiece itself, in particular a solid rotary cutting tool such as a solid end mill is various in size and sectional form so that multi-product small-amount machining is unavoidable, resulting in frequence repalcement of gringing wheels for grinding so that the run-out of the grinding wheel flange is corrected in every replacement and the correction accuracy is required. <P>SOLUTION: In this grinding wheel flange for multi-product small-amount machining, the grinding wheel flange is composed of a first flange connected to a spindle and a second flange where the grinding wheel is mounted. The grinding wheel flange is attached and detached between the first flange and the second flange, and the abutting surface of the first flange and the second flange has specification of two-face constraint. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本願発明は、多品種少量用砥石フランジに関し、特にソリッドエンドミル等のソリッドの回転切削工具の研削加工に用いる多品種少量用砥石フランジに関する。   The present invention relates to a high-mix low-volume grinding wheel flange, and more particularly to a high-mix low-volume grinding wheel flange used for grinding a solid rotary cutting tool such as a solid end mill.

砥石フランジについては、砥石フランジを主フランジと押えフランジの2分割型式にしたものがある(例えば、特許文献1参照。)。
特許文献1記載の砥石フランジは、主フランジ自体は一体型式であり、砥石交換の際、砥石フランジを一度機械側から取り外し、砥石フランジに砥石を装着した後、再取り付けすることになるが、機械側のスピンドルは所定の仕様に決められていると共に、砥石フランジとの固着面積が小さいため、砥石フランジの振れ精度が得難く、その都度、砥石フランジの振れの修正をする必要がある。特に研削加工用の砥石フランジは一般に全長が長く、振れが大きくなる。
尚、機上で砥石フランジに砥石を装着する場合、砥石フランジに大きな負荷が加わり、砥石フランジ自体の振れ精度が得られないばかりでなく、機械側のスピンドル自体を傷める場合がある。
As for the grindstone flange, there is a grindstone flange in which the main flange and the presser flange are divided into two types (see, for example, Patent Document 1).
In the grinding wheel flange described in Patent Document 1, the main flange itself is an integral type, and when the grinding wheel is replaced, the grinding wheel flange is once removed from the machine side, and the grinding wheel is attached to the grinding wheel flange, and then reattached. The spindle on the side is determined to have a predetermined specification and has a small fixing area with the grindstone flange, so that it is difficult to obtain the runout accuracy of the grindstone flange, and it is necessary to correct the runout of the grindstone flange each time. In particular, a grinding wheel flange for grinding generally has a long overall length and a large runout.
In addition, when a grindstone is mounted on the grindstone flange on the machine, a large load is applied to the grindstone flange, so that the runout accuracy of the grindstone flange itself cannot be obtained, and the machine-side spindle itself may be damaged.

特開平8−257903号公報JP-A-8-257903

砥石フランジの振れは、研削加工物自体の形状及び寸法精度に大きく影響を及ぼす。特に、ソリッドエンドミル等のソリッドの回転切削工具は、サイズや断面形状等が多岐に亙り、多品種少量の加工が余儀なくされることから、研削加工用砥石の交換が頻繁に行われ、その都度、砥石フランジの振れの修正が行われ、その精度が要求される。そのため、砥石フランジの振れの修正は、時間及び工数が係るという課題があった。   The wobbling of the grindstone flange greatly affects the shape and dimensional accuracy of the workpiece itself. In particular, solid rotary cutting tools such as solid end mills have a wide variety of sizes, cross-sectional shapes, etc., and many types and small quantities are forced to be processed, so grinding wheels for grinding are frequently replaced. The wobbling of the grinding wheel flange is corrected and its accuracy is required. Therefore, there has been a problem that the correction of runout of the grindstone flange takes time and man-hours.

本願発明は、多品種少量加工用砥石フランジにおいて、該砥石フランジはスピンドルに連結する第1フランジと砥石が装着される第2フランジとからなり、該第1フランジと該第2フランジ間で脱着可能とし、該第1フランジと該第2フランジとの当接面を2面拘束仕様としたことを特徴とする多品種少量用砥石フランジである。   The present invention is a grinding wheel flange for high-mix low-volume machining, wherein the grinding wheel flange includes a first flange connected to the spindle and a second flange to which the grinding wheel is mounted, and is removable between the first flange and the second flange. And the contact surface between the first flange and the second flange is a two-surface constraining specification.

本発明を適用することにより、砥石交換時における砥石フランジの振れの修正が、ほとんど振れの確認のみとなり、時間及び工数が削減でき、加工コストの削減も計れた。   By applying the present invention, the correction of the wobbling of the grindstone flange at the time of exchanging the whetstone is almost only confirmation of the wobbling, time and man-hours can be reduced, and the processing cost can be reduced.

第1フランジと第2フランジとに分割し、脱着可能としたことにより、砥石交換時において、第2フランジから取り付け、取り外しができ、砥石の交換が頻繁に行われる場合においても、第1フランジ自体は機械側に取り付けられたままであるため、第1フランジの振れ精度が維持できる。また、第1フランジと第2フランジの当接面を2面拘束仕様としたのは、第1フランジと第2フランジとを固定する際に、砥石フランジ全体に掛かる負荷を小さくできると共に、嵌合精度が向上し、前述との相乗効果により、取り付け、取り外しによる研削加工用砥石フランジの振れの繰り返し精度が向上する。
本願発明は、砥石フランジをスピンドルに連結する第1フランジと砥石が装着される第2フランジとに分割し、脱着可能としたものであり、具体的に図1及び図2に示す本発明例により説明する。
図1は本発明例1、図2は本発明例2の砥石フランジであり、第1フランジ1の一端には、機械側のスピンドル軸2に嵌合するテーパ孔部が設けてあり、ボルト3により固定する仕様であり、他端には、第2フランジ4のテーパ孔部に嵌合するテーパ軸部を有し、テーパ軸元部に第2フランジ4の端面と当接する輪帯面が設けてあり、第2フランジ4の砥石が装着される砥石軸5側からボルト6により固定することで、第1フランジ1と第2フランジ4との間をテーパ面と輪帯面による2面拘束仕様としている。また、特に本発明例2では、第1フランジ1と第2フランジ4とを固定用部材7を介して固定したものであり、装着される砥石の内径が小さく、砥石軸5の外径が小さい場合に有効である。固定用部材7は、一端に第1フランジ1と螺合するための螺子部を、他端にはボルト6と螺合するための螺子孔を設け、第1フランジ1のテーパ軸部の軸心部に設けた螺子孔にボルト6で螺合・固定することにより第1フランジ1と第2フランジ5とが2面拘束仕様となる。
以下、実施例に基づき、本願発明を説明する。
Since the first flange and the second flange are divided and made detachable, the first flange itself can be attached and detached from the second flange when the grindstone is replaced, and the grindstone is frequently replaced. Remains attached to the machine side, so that the deflection accuracy of the first flange can be maintained. In addition, the contact surface between the first flange and the second flange has a two-face restraint specification. When the first flange and the second flange are fixed, the load applied to the entire grindstone flange can be reduced and the fitting can be performed. The accuracy is improved, and the repeated accuracy of the wobbling of the grinding wheel flange for grinding by attaching and removing is improved by the synergistic effect with the above.
In the present invention, the grindstone flange is divided into a first flange for connecting the spindle to the spindle and a second flange to which the grindstone is mounted, and is detachable. Specifically, according to the present invention example shown in FIGS. explain.
FIG. 1 shows a grinding wheel flange according to Invention Example 1 and FIG. 2 shows a grinding wheel flange according to Invention Example 2. One end of the first flange 1 is provided with a taper hole portion to be fitted to the spindle shaft 2 on the machine side. The other end has a tapered shaft portion that fits into the tapered hole portion of the second flange 4, and a ring zone surface that contacts the end surface of the second flange 4 is provided at the taper shaft base portion. The two flanges 4 are fixed by bolts 6 from the side of the grindstone shaft 5 to which the grindstone of the second flange 4 is mounted. It is said. Further, in the present invention example 2, in particular, the first flange 1 and the second flange 4 are fixed via the fixing member 7, and the inner diameter of the mounted grindstone is small and the outer diameter of the grindstone shaft 5 is small. It is effective in the case. The fixing member 7 is provided with a screw portion for screwing with the first flange 1 at one end and a screw hole for screwing with the bolt 6 at the other end, and the axis of the taper shaft portion of the first flange 1. The first flange 1 and the second flange 5 have a two-sided constraint specification by being screwed and fixed to a screw hole provided in the portion with a bolt 6.
The present invention will be described below based on examples.

本発明例1及び2を用いた砥石フランジの取り付け及び交換方法を説明する。
1)機械側のスピンドル軸部に、第1フランジをボルトにより固着する。
2)第1フランジに固定用部材を螺合により装着する。
3)第1フランジの振れを確認及び/又は修正する。
4)予め、機外で砥石を固定し、砥石振れの確認及び/又は修正された第2フランジを第1フランジに装着する。
5)ボルトにより、第1フランジと第2フランジを固定する。この時、当接面が2面拘束仕様となる。
6)砥石フランジの振れの確認及び/又は修正を行う。
7)研削加工。
8)砥石が装着されたまま状態で、第2フランジのみを取り外す。
9)以下、4)〜8)を繰り返すことにより、砥石交換を行う。
の順で行う。なお、本発明例1の場合は、固定用部材を介さず、第1フランジと第2フランジを直接ボルトで固着するため、2)の工程を省く。
A method for attaching and exchanging a grinding wheel flange using Examples 1 and 2 of the present invention will be described.
1) The first flange is fixed to the spindle shaft on the machine side with a bolt.
2) A fixing member is attached to the first flange by screwing.
3) Check and / or correct runout of the first flange.
4) The grindstone is fixed in advance outside the machine, and the second flange that has been confirmed and / or corrected for wobbling of the grindstone is mounted on the first flange.
5) Fix the first flange and the second flange with bolts. At this time, the contact surface becomes the two-surface constraint specification.
6) Check and / or correct run-out of grinding wheel flange.
7) Grinding.
8) Remove only the second flange with the grindstone attached.
9) After that, the grinding wheel is replaced by repeating 4) to 8).
In order. In the case of the present invention example 1, since the first flange and the second flange are directly fixed with bolts without using a fixing member, the step 2) is omitted.

本発明例1及び2を用い、砥石交換を10回繰り返すテストを行った。また、1体型式の砥石フランジである比較例3を比較として加え、砥石交換に要した時間を評価した。なお、振れの修正に要した時間の他は、所要時間に大差がないため、振れの修正に要したトータル時間の差が、砥石交換を10回繰り返し時の差となることから、振れの修正に要した時間を砥石交換に要した時間として評価した。
その結果、本発明例1及び2は、比較例3より、初回のみ、上記1)〜3)工程分が増加するが、3)の工程で、振れの修正に5分要した他は、1〜2分程度と少なく、6)の工程における砥石フランジの振れが0〜2μmであり、修正が不必要で、振れの確認のみとなり、振れの修正に要した時間は、砥石交換を10回繰り返しても、トータルでも3)の工程で要した5分のみであった。これに対し、比較例3は、砥石交換毎に機械側のスピンドル軸部に砥石フランジを取り付け、取り外しを行うため、砥石交換毎に振れの修正が必要となり、砥石フランジの振れが6〜20μmと大きく、振れの修正に要した時間は、1回当たり5〜15分、トータルで100分を越える結果となった。
上記結果より、本発明例1及び2は、比較例3に対し、実質的に6)の振れ修正の工程が省け、約95分の時間短縮が計れた。
Using Examples 1 and 2 of the present invention, the test was repeated 10 times. Moreover, the comparative example 3 which is a 1 type | mold grindstone flange was added as a comparison, and the time required for grindstone exchange was evaluated. In addition, since there is not much difference in required time other than the time required for correcting runout, the difference in total time required for correcting runout is the difference when the wheel is replaced 10 times. The time required for this was evaluated as the time required for the wheel replacement.
As a result, Examples 1 and 2 of the present invention increased the above-mentioned 1) to 3) steps only for the first time from Comparative Example 3, except that in the step 3), 5 minutes were required for correcting the shake. Less than about 2 minutes, the wobbling of the grinding wheel flange in the process of 6) is 0 to 2 μm, no correction is necessary, only the check of the wobbling is performed, and the time required for correcting the wobbling is repeated 10 times. However, the total was only 5 minutes required in step 3). On the other hand, in Comparative Example 3, since the grindstone flange is attached to and detached from the spindle shaft portion on the machine side every time the grindstone is exchanged, it is necessary to correct the runout every time the grindstone is exchanged. The time required for correcting the shake was 5 to 15 minutes per time, and the total time exceeded 100 minutes.
From the above results, Examples 1 and 2 of the present invention, compared with Comparative Example 3, could substantially eliminate the step of shake correction of 6) and shorten the time by about 95 minutes.

図1は、本発明例1であり、その軸断面図を示す。FIG. 1 shows Example 1 of the present invention, and shows an axial sectional view thereof. 図2は、本発明例2であり、その軸断面図を示す。FIG. 2 is a second example of the present invention and shows an axial sectional view thereof.

符号の説明Explanation of symbols

1 第1フランジ
2 スピンドル軸
3 ボルト
4 第2フランジ
5 砥石軸
6 ボルト
7 固定用部材
DESCRIPTION OF SYMBOLS 1 1st flange 2 Spindle shaft 3 Bolt 4 2nd flange 5 Grinding wheel shaft 6 Bolt 7 Fixing member

Claims (1)

多品種少量加工用砥石フランジにおいて、該砥石フランジはスピンドルに連結する第1フランジと砥石が装着される第2フランジとからなり、該第1フランジと該第2フランジ間で脱着可能とし、該第1フランジと該第2フランジとの当接面を2面拘束仕様としたことを特徴とする多品種少量加工用砥石フランジ。
In the grindstone flange for high-mix low-volume machining, the grindstone flange includes a first flange connected to the spindle and a second flange to which the grindstone is attached. The grindstone flange is detachable between the first flange and the second flange. A whetstone flange for multi-variety low-volume machining, wherein the contact surface between the first flange and the second flange is a two-surface constraint specification.
JP2003428857A 2003-12-25 2003-12-25 Grinding wheel flange for multi-product small-amount machining Withdrawn JP2005186188A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003428857A JP2005186188A (en) 2003-12-25 2003-12-25 Grinding wheel flange for multi-product small-amount machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003428857A JP2005186188A (en) 2003-12-25 2003-12-25 Grinding wheel flange for multi-product small-amount machining

Publications (1)

Publication Number Publication Date
JP2005186188A true JP2005186188A (en) 2005-07-14

Family

ID=34787690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003428857A Withdrawn JP2005186188A (en) 2003-12-25 2003-12-25 Grinding wheel flange for multi-product small-amount machining

Country Status (1)

Country Link
JP (1) JP2005186188A (en)

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