JPH0365601A - Measuring device of tooth thickness - Google Patents
Measuring device of tooth thicknessInfo
- Publication number
- JPH0365601A JPH0365601A JP20231389A JP20231389A JPH0365601A JP H0365601 A JPH0365601 A JP H0365601A JP 20231389 A JP20231389 A JP 20231389A JP 20231389 A JP20231389 A JP 20231389A JP H0365601 A JPH0365601 A JP H0365601A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- measured
- contact
- contactor
- pin
- 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
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、歯切り盤で歯切りされた歯車の歯厚を簡単
にかつ精度よく測定できる歯厚測定装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a tooth thickness measuring device that can easily and accurately measure the tooth thickness of a gear cut by a gear cutting machine.
歯切り盤で歯切りした歯車の歯に所望のバックラッシュ
が与えられているか、また、歯切り盤のカンタの切込み
量をどの程にすればよいかを調べるために、通常、歯車
の歯厚を測定している。In order to check whether the desired backlash is given to the teeth of a gear cut with a gear cutting machine, and how much depth of cut should be made for the canter of the gear cutting machine, it is usually necessary to check the tooth thickness of the gear. are being measured.
歯厚を測定する方法としては、例えば歯厚マイクロメー
タを用いてまたぎ歯厚を測定する方法がある。As a method for measuring tooth thickness, for example, there is a method of measuring straddle tooth thickness using a tooth thickness micrometer.
歯厚マイクロメータは、第３図に示す様に、マイ°クロ
メータ（１）のアンビル（２）とスピンドル（３〉の先
端に各々円盤（４）（５）を取付けたもので、この円盤
（４）（５）にて歯形を挾む。As shown in Fig. 3, the tooth thickness micrometer has disks (4) and (5) attached to the tips of the anvil (2) and spindle (3) of the micrometer (1), respectively. 4) Sandwich the tooth profile in (5).
上記歯厚マイクロメータで測定するには、歯車（６）の
何枚かの歯（７）（７）・−・を円盤（４）（５）で挾
み、マイクロメータ（１）の値を読む、この値がまたぎ
歯厚で、この実測値と計算により求めるまたぎ歯厚若し
くはマスター歯車のまたぎ歯厚との差により、歯厚の良
否を判断し、また歯切り盤のカッタの切込み量を求めて
いる。To measure with the tooth thickness micrometer mentioned above, sandwich some teeth (7), (7), etc. of the gear (6) with the disks (4), (5), and measure the value on the micrometer (1). This value is the straddle tooth thickness, and the difference between this measured value and the calculated straddle tooth thickness or the master gear's straddle tooth thickness is used to judge whether the tooth thickness is good or bad, and also to determine the depth of cut of the cutter of the gear cutter. I'm looking for it.
上記歯厚マイクロメータによる測定は、作業者が手作業
で行うため、作業性が悪く、しかも、円！１（４）（５
）を歯（７）（７）に平行に当てたり、円盤（４）（５
）と歯（７）（７）との接触圧力を常に一定にして測定
するには熟練を要し、測定の個人差が非常に大きく、正
確な測定が非常に難しかった。Measuring using the tooth thickness micrometer mentioned above is performed manually by the operator, which is difficult to work with, and what's more, the measurement is done manually by the operator. 1 (4) (5
) parallel to the teeth (7) (7), or the discs (4) (5
) and the teeth (7) (7) It requires skill to measure while keeping the contact pressure constant, and there are very large individual differences in measurement, making accurate measurement very difficult.
また他にオーバボール径を測定する方法もあるが、この
場合も、作業者の手作業によるため、上記と同様の問題
点を有していた。There is also another method of measuring the diameter of the overball, but in this case as well, it is done manually by the operator and has the same problems as above.
また、自動的に測定するものとして、特開昭６１−１３
１８２１号にて開示されたものがあるが、制御が非常に
複雑である。In addition, as a device for automatic measurement, JP-A-61-13
There is one disclosed in No. 1821, but the control is very complicated.
この発明は、歯切りされた歯車のまたぎ歯厚を簡単にか
つ正確に測定できる歯厚測定装置を提供しようとするも
のである。The present invention aims to provide a tooth thickness measuring device that can easily and accurately measure the thickness of the straddle tooth of a gear that has been cut.
この発明における歯厚測定装置は、測定台と、前記測定
台上に移動自在に載置した歯車装着台と、前記測定台上
に固定した基準ピンと、前記測定台上に前記基準ピンと
向い合せで移動自在に設け、前記基準ピンと協働して被
測定歯車の芯出し７を行う芯出しピンと、前記基準ピン
と芯出しピンの前方に少なくとも一方を左右方向にスラ
イド自在に設けた第１・第２スライドブロックと、前記
第１・第２スライドブロンクに取付けた歯厚測定用の第
１接触子及び第２接触子と、前記第１スライドブロック
に取付けた検測器と、前記第２スライドブロックに取付
けた検測器作動用押えピンと、前記第１スライドブロッ
クと第２スライドブロックとの間に張設したスプリング
とで構成したものである。The tooth thickness measuring device according to the present invention includes a measuring table, a gear mounting table movably placed on the measuring table, a reference pin fixed on the measuring table, and a gear mounting table placed on the measuring table facing the reference pin. a centering pin that is movably provided and performs centering 7 of the gear to be measured in cooperation with the reference pin, and first and second centering pins that are provided in front of the reference pin and the centering pin, at least one of which is slidable in the left and right direction. a slide block, a first contact and a second contact for tooth thickness measurement attached to the first and second slide bronks, a measuring instrument attached to the first slide block, and the second slide block. It is composed of a presser pin for operating the tester attached to the holder, and a spring tensioned between the first slide block and the second slide block.
上記構造の歯厚測定装置は、歯車装着台に被測定歯車を
装着した後、歯車装着台を移動させて、被測定歯車の歯
溝を基準ピンと芯出しピンへ押付ける。すると、基準ピ
ンと芯出しピンが歯溝に嵌り込み、被測定歯車の芯出し
を行い、測定する歯の側面を第１・第２接触子と平行に
する。一方第１接触子と第２接触子とが芯出しされた被
測定歯車の測定する歯の側面に接触し、第１接触子と第
２接触子との寸法を検測器で測定して、またぎ歯厚を測
定する。In the tooth thickness measuring device having the above structure, the gear to be measured is mounted on the gear mounting base, and then the gear mounting base is moved to press the tooth grooves of the gear to be measured against the reference pin and the centering pin. Then, the reference pin and centering pin fit into the tooth grooves, centering the gear to be measured, and making the side surface of the tooth to be measured parallel to the first and second contacts. On the other hand, the first contact and the second contact are brought into contact with the side surface of the tooth to be measured of the centered gear to be measured, and the dimensions of the first contact and the second contact are measured with a measuring instrument, Measure the straddle tooth thickness.
上記歯厚測定装置は、基準ピンと芯出しピンとで被測定
歯車の芯出しを行い、測定する歯を第１・第２接触子と
略平行に揃える。一方、第１接触子と第２接触子とは第
１スライドブロックと第２スライドブロックとの間に張
設したスプリングにて一定の張力で互いに引き合ってい
るので、第１接触子と第２接触子は被測定歯車の歯に一
定圧で接触する。このように第１接触子と第２接触子と
は測定する歯に対して常に平行でかつ一定圧で接触する
ので、ばらつきのない測定を行える。The tooth thickness measuring device centers the gear to be measured using a reference pin and a centering pin, and aligns the teeth to be measured substantially parallel to the first and second contacts. On the other hand, since the first contact and the second contact are attracted to each other with a constant tension by a spring stretched between the first slide block and the second slide block, the first contact and the second contact The child contacts the teeth of the gear to be measured with constant pressure. In this way, the first contact and the second contact are always parallel to the tooth to be measured and in contact with a constant pressure, so measurements can be performed without variation.
以下、この発明の実施例を第１図及び第２図を参照して
説明する。Embodiments of the present invention will be described below with reference to FIGS. 1 and 2.
第１図及び第２図に示す様に、歯車測定装置は、測定台
（１０）上に歯車固定部（１１〉と測定部（１２）とを
集約して設けている。As shown in FIGS. 1 and 2, the gear measuring device has a gear fixing part (11>) and a measuring part (12) integrated on a measuring table (10).
上記測定台（１０）は被測定歯車（Ｗ）より十分に広い
面積を有する直方体形状のブロックで、上面（１０ａ）
を高精度な平坦面に形威しである。The measuring table (10) is a rectangular parallelepiped block having a sufficiently larger area than the gear to be measured (W), and the upper surface (10a)
It is shaped like a high-precision flat surface.
歯車固定部（１１〉には被測定歯車（Ｗ）を支持する歯
車装着台（１３）を移動自在に載せである。歯車装着台
（１３）は、例えば円盤状で、上面中央部に被測定歯車
（Ｗ）の開口部（２８）に嵌合する位置決め突部（１４
）を形威し、位置決め突部（１４）の周囲に被測定歯く
るま（Ｗ）の側面（２９）を支持する支持突部（１５）
を形威し、下面中央部に測定台（１０）との接触面積を
少なくして、移動を容易にするため凹部（１６）を形成
しである。A gear mounting base (13) that supports the gear to be measured (W) is movably mounted on the gear fixing part (11>). A positioning protrusion (14) that fits into the opening (28) of the gear (W)
) and supports the side surface (29) of the tooth wheel to be measured (W) around the positioning projection (14).
A recess (16) is formed in the center of the lower surface to reduce the contact area with the measuring table (10) and facilitate movement.
測定部（１２）には、歯車装着台（１３）に近い後方に
、基準ピン（１７）と芯出しピン（１８）とを左右に振
分けて配置し、前記基準ピン（１７）を測定台（１０）
上に固定した基準ブロック（１９）に取付け、芯出しピ
ン（１８）を測定台（１０）上に固定した支持ブロック
（２０）に左右方向にスライド自在に設けたスライド棒
に取付けである、前記基準ピン（１７）及び芯出しピン
（１８）は接触端を球状に形成してあり、測定台（１０
）上の仮想の中心点（Ｏｌ）に向くように傾けである。In the measurement part (12), a reference pin (17) and a centering pin (18) are arranged on the left and right at the rear near the gear mounting stand (13), and the reference pin (17) is placed on the measuring stand (13). 10)
The centering pin (18) is attached to a reference block (19) fixed on the measuring table (10), and the centering pin (18) is attached to a slide rod that is slidably provided in the left and right direction on a support block (20) fixed on the measuring table (10). The reference pin (17) and the centering pin (18) have spherical contact ends, and the measuring table (10)
) is tilted toward the virtual center point (Ol) on the top.
また基準ピン（１７）と芯出しピン（１８）の前方に左
右方向に沿ってベース金具（３２）を取付け、このベー
ス金具（３２）上にＬＭガイド（３２ａ）（３２ｂ）を
介して対をなす第１スライドブロック（２１〉 と第２
スライドプロソク （２２）をスライド自在に装着しで
ある。第１スライドブロンク（２１）には後端面に第１
接触子（２３）を突設し、上面に検渕器、例えばダイヤ
ルゲージ（２４）を取付け、その測定子（２４ａ）を左
側に配置しである。一方第２スライドブロック（２２）
にも後端面に第２接触子（２５）を突設し、上面に前記
ダイヤルゲージ（２４）の測定子（２４ａ ）を押える
押えピン（２６）を取付けである。この第１接触子（２
３）と第２接触子（２５）とは平行に配置され、夫々基
準ピン（１７〉 ・芯出しピン（１Ｂ）に隣接してい
る。またｊＦ！１スライドブロック（２１）と第２スラ
イドブロック（２２）との間にスプリング（２７）を張
設して互いに引合せ、押えピン（２６）を常にダイヤル
ゲージ（２４）の測定子（２４ａ）に押付けるようにし
である。In addition, a base metal fitting (32) is installed in front of the reference pin (17) and centering pin (18) along the left-right direction, and a pair is attached on this base metal fitting (32) via LM guides (32a) (32b). The first slide block (21〉) and the second
Slide prosock (22) is attached so that it can slide freely. The first slide bronck (21) has a first
A contactor (23) is provided protrudingly, a tester such as a dial gauge (24) is attached to the upper surface, and the measuring element (24a) thereof is placed on the left side. On the other hand, the second slide block (22)
A second contact (25) is also provided protruding from the rear end surface, and a presser pin (26) for holding down the measuring element (24a) of the dial gauge (24) is attached to the upper surface. This first contact (2
3) and the second contactor (25) are arranged in parallel and adjacent to the reference pin (17> and centering pin (1B), respectively. Also, the jF!1 slide block (21) and the second slide block A spring (27) is stretched between the dial gauge (22) and the dial gauge (22) to draw them together so that the presser pin (26) is always pressed against the probe (24a) of the dial gauge (24).
上記肉圧測定装置は、歯車装着台（１３）の位置決め突
部（１４）に被測定歯車（Ｗ）を嵌合させ、支持突部（
１５）上に装着した後、歯車装着台（１３）を前方へ移
動させて、被測定歯車（Ｗ）の歯溝（３０） （３０
）を待機している基準ピン（１７）と芯出しピン（１８
）に押付ける。すると、芯出しピン（１８）が左右方向
に移動し乍ら基準ピン（１７）とで被測定歯車（Ｗ）の
芯出しを行い、測定する歯（３１） （３１）の歯面
（３１ａ ）（３１ａ ）を前後方向に揃える。The above-mentioned meat pressure measuring device fits the gear to be measured (W) into the positioning projection (14) of the gear mounting base (13), and the supporting projection (
15) After mounting the gear on the top, move the gear mounting base (13) forward and check the tooth space (30) (30) of the gear to be measured (W).
) is waiting for the reference pin (17) and centering pin (18).
). Then, the centering pin (18) moves in the left-right direction while centering the gear to be measured (W) with the reference pin (17), and the tooth surface (31a) of the tooth (31) to be measured (31). (31a) are aligned in the front-back direction.
一方芯出しと同時に、第１接触子（２３）と第２接触子
（２５）が歯面（３１ａ ） （３１ａ ）に接触し
て拡がり、第１スライドブロック（２１）ト第２スライ
ドブロック（２２）が互いに離反し、ダイヤルゲージ（
２４）の測定子（２４ａ）が伸びて、その移動量を測定
することにより、第１接触子 （２３）と第２接触子〈
２５〉との間のまたぎ歯厚を測定するようになっている
。On the other hand, at the same time as centering, the first contact (23) and the second contact (25) contact the tooth surfaces (31a) (31a) and spread, causing the first slide block (21) and the second slide block (22) to spread. ) are separated from each other, and the dial gauge (
By extending the measuring element (24a) of 24) and measuring the amount of movement, the first contact element (23) and the second contact element <
25> to measure the thickness of the straddle tooth.
上記歯厚測定装置は、予め被測定歯車（Ｗ）に対応する
マスター歯車の測定を行い、マスター歯車のまたぎ歯厚
を測定している状態でダイヤルゲージ（２４）の指針を
Ｏに合わせる。この後被測定歯車（Ｗ）の測定を行い、
測定時のダイセルゲージ（２４）の指針が０から士へど
の程度振れているかを見て、被測定歯車（Ｗ）の良否判
定を行う。The tooth thickness measuring device measures the master gear corresponding to the gear to be measured (W) in advance, and sets the pointer of the dial gauge (24) to O while measuring the straddle tooth thickness of the master gear. After this, measure the gear to be measured (W),
The quality of the gear to be measured (W) is determined by observing how far the pointer of the Daicel gauge (24) swings from 0 to 2 during measurement.
上記歯厚測定装置は、芯出しピン（１８）が左右方向に
移動できるので、被測定歯車（Ｗ）の芯出しを確実に行
え、かつ取外し時も歯に引っかからずに簡単に外せる。In the above tooth thickness measuring device, since the centering pin (18) can move in the left-right direction, the gear to be measured (W) can be reliably centered and can be easily removed without getting caught on the teeth.
また第１接触子（２３）と第２接触子（２５）とが左右
方向に移動できるので、第１接触子（２３）及び第２接
触子（２５）と被測定歯車（Ｗ）の歯（３１） （３
１）とが位置ずれを生じておっても、夫々確実に接触し
、かつ接触圧もスプリング（２７）により常に一定とな
っており、安定した測定を行える。In addition, since the first contact (23) and the second contact (25) can move in the left-right direction, the first contact (23) and the second contact (25) and the teeth of the gear to be measured (W) ( 31) (3
Even if 1) and 1) are misaligned, they are in reliable contact with each other, and the contact pressure is always constant due to the spring (27), allowing stable measurement.
尚、基準ピン（１７）と芯出しピン（１８）とによって
芯出しされる被測定歯車（Ｗ）と第１接触子（２３）及
び第２接触子（２５〉との位置ずれ量が少ない場合には
、第１接触子（２３）或は第２接触子（２５）の何れか
一方を固定してもよい。In addition, when the amount of positional deviation between the gear to be measured (W) centered by the reference pin (17) and the centering pin (18) and the first contactor (23) and the second contactor (25>) is small. In this case, either the first contact (23) or the second contact (25) may be fixed.
またダイヤルゲージ（２４）の測定値を信号出力すれば
、コンピュータによる自動演算処理を行え、測定の自動
化が可能となる。Further, if the measured value of the dial gauge (24) is output as a signal, automatic calculation processing can be performed by a computer, and measurement can be automated.
さらに、上記歯厚測定装置を同一種の歯車に対する専用
機として使用する場合には、測定台（１０）と歯車装着
台（１３）との間に、例えば溝と突起によるガイド機構
を設けて、歯車装着台（１３）を前後方向にのみ移動す
るように構成すれば、被測定歯車（Ｗ）の芯出し作業が
容易となり、作業性が向上する。Furthermore, when the above-mentioned tooth thickness measuring device is used as a dedicated machine for gears of the same type, a guide mechanism using, for example, grooves and protrusions is provided between the measuring table (10) and the gear mounting table (13). If the gear mounting base (13) is configured to move only in the front-rear direction, the work of centering the gear to be measured (W) becomes easier and the workability improves.
この発明によれば、被測定歯車を歯車装着台に装着して
、基準ピンと芯出しピン側へ押付けるだけで、被測定歯
車の位置決めと、第１接触子及び第２接触子と被測定歯
車の歯面との接触を自動的に行うことができ、かつ第１
接触子及び第２接触子と歯面とは平行に接触し、その歯
厚を測定することができる。しかも、この測定は、常に
同じ条件で測定を行えるので、作業者の違いによる誤差
を生じず、正確な測定を行える。According to this invention, by simply mounting the gear to be measured on the gear mounting base and pressing it against the reference pin and centering pin, the gear to be measured can be positioned, the first contact, the second contact, and the gear to be measured can be positioned. contact with the tooth surface can be made automatically, and the first
The contactor and the second contactor are in parallel contact with the tooth surface, and the tooth thickness can be measured. Moreover, since this measurement can always be performed under the same conditions, there are no errors caused by differences in operators, and accurate measurements can be made.
第１図は本発明に係る歯厚測定装置の平面図、第２図は
歯厚測定装置の断面図、第３図は従来の歯厚測定を示す
概略図である。
（１０） −−−−一測定台、 （１３） −歯
車装着台、（１７）・−・−基準ピン、 （１８）
−芯出しピン、（２１） −第１スライドブロンク、
（２２） −第２スライドブロック、
（２３） −第１接触子、 （２４） −検測器、（
２５） −第２接触子。FIG. 1 is a plan view of a tooth thickness measuring device according to the present invention, FIG. 2 is a sectional view of the tooth thickness measuring device, and FIG. 3 is a schematic diagram showing a conventional tooth thickness measuring device. (10) -----Measurement stand, (13) -Gear mounting stand, (17)...-Reference pin, (18)
- centering pin, (21) - first slide bronc, (22) - second slide block, (23) - first contact, (24) - measuring instrument, (
25) - Second contact.
Claims (1)
車装着台と、前記測定台上に固定した基準ピンと、前記
測定台上に前記基準ピンと向い合せで移動自在に設け、
前記基準ピンと協働して被測定歯車の芯出しを行う芯出
しピンと、前記基準ピンと芯出しピンの前方に少なくと
も一方を左右方向にスライド自在に設けた第１・第２ス
ライドブロックと、前記第１・第２スライドブロックに
取付けた歯厚測定用の第１接触子及び第２接触子と、前
記第１スライドブロックに取付けた検測器と、前記第２
スライドブロックに取付けた検測器作動用押えピンと、
前記第１スライドブロックと第２スライドブロックとの
間に張設したスプリングとで構成したことを特徴とする
歯厚測定装置。(1) a measuring stand, a gear mounting stand movably placed on the measuring stand, a reference pin fixed on the measuring stand, and movably provided on the measuring stand facing the reference pin;
a centering pin that cooperates with the reference pin to center the gear to be measured; first and second slide blocks, at least one of which is provided in front of the reference pin and the centering pin so as to be slidable in the left-right direction; 1. A first contact and a second contact for tooth thickness measurement attached to the second slide block, a measuring device attached to the first slide block, and the second contact
A holding pin for operating the measuring device attached to the slide block,
A tooth thickness measuring device comprising a spring stretched between the first slide block and the second slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20231389A JPH0365601A (en) | 1989-08-03 | 1989-08-03 | Measuring device of tooth thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20231389A JPH0365601A (en) | 1989-08-03 | 1989-08-03 | Measuring device of tooth thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365601A true JPH0365601A (en) | 1991-03-20 |
Family
ID=16455479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20231389A Pending JPH0365601A (en) | 1989-08-03 | 1989-08-03 | Measuring device of tooth thickness |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365601A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7748131B2 (en) * | 2005-05-18 | 2010-07-06 | Liebherr-Verzahntechnik Gmbh | Method of inspecting gears during their manufacture |
| CN102901428A (en) * | 2012-09-16 | 2013-01-30 | 浙江丰立机电有限公司 | Device and method for measuring tooth thickness of medium and small modulus bevel gear |
| CN106949809A (en) * | 2017-05-05 | 2017-07-14 | 重庆大学 | A kind of involute becomes the tooth thickness measuring tool of Tooth Thickness Helical Gear |
| JP2018146503A (en) * | 2017-03-08 | 2018-09-20 | トヨタ自動車株式会社 | Method for managing shape of tooth surface |
-
1989
- 1989-08-03 JP JP20231389A patent/JPH0365601A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7748131B2 (en) * | 2005-05-18 | 2010-07-06 | Liebherr-Verzahntechnik Gmbh | Method of inspecting gears during their manufacture |
| CN102901428A (en) * | 2012-09-16 | 2013-01-30 | 浙江丰立机电有限公司 | Device and method for measuring tooth thickness of medium and small modulus bevel gear |
| CN102901428B (en) * | 2012-09-16 | 2016-12-21 | 浙江丰立机电有限公司 | The transverse tooth thickness measurement apparatus of a kind of medium and small module Bevel Gears and method |
| JP2018146503A (en) * | 2017-03-08 | 2018-09-20 | トヨタ自動車株式会社 | Method for managing shape of tooth surface |
| CN106949809A (en) * | 2017-05-05 | 2017-07-14 | 重庆大学 | A kind of involute becomes the tooth thickness measuring tool of Tooth Thickness Helical Gear |
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