JP2003004576A - Dynamic balancing tester - Google Patents
Dynamic balancing testerInfo
- Publication number
- JP2003004576A JP2003004576A JP2001193213A JP2001193213A JP2003004576A JP 2003004576 A JP2003004576 A JP 2003004576A JP 2001193213 A JP2001193213 A JP 2001193213A JP 2001193213 A JP2001193213 A JP 2001193213A JP 2003004576 A JP2003004576 A JP 2003004576A
- Authority
- JP
- Japan
- Prior art keywords
- dynamic balance
- rotary
- shaft
- vibrating frame
- driving
- 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
Links
Landscapes
- Testing Of Balance (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、動釣合い試験機
に関し、特に、自動車のプロペラシャフトの動釣合いを
測定するための動釣合い試験機に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dynamic balance tester, and more particularly to a dynamic balance tester for measuring the dynamic balance of a propeller shaft of an automobile.
【0002】[0002]
【従来の技術】図1に、プロペラシャフト用動釣合い試
験機の一例の正面図を示し、図2にその平面図を示す。
図1および図2を参照して、プロペラシャフト用動釣合
い試験機は、ベッド1上に配置された左架台2および右
架台3という、一対の架台2,3を有する。架台2に
は、振動枠4と、振動枠4に備えられた回転主軸5と、
回転主軸5の先端に備えられたチャッキング装置6とが
含まれている。回転主軸5にはユニバーサルジョイント
7によって駆動軸8が連結されている。駆動軸8の奥側
には、モータ9が配置されていて、モータ9の回転力は
ベルト10を介して駆動軸8に与えられ、駆動軸8を回
転する。2. Description of the Related Art FIG. 1 shows a front view of an example of a propeller shaft dynamic balance tester, and FIG. 2 shows a plan view thereof.
Referring to FIGS. 1 and 2, the propeller shaft dynamic balance tester has a pair of pedestals 2 and 3, which are a left pedestal 2 and a right pedestal 3 arranged on a bed 1. The pedestal 2 includes a vibrating frame 4, a rotary spindle 5 provided on the vibrating frame 4,
A chucking device 6 provided at the tip of the rotary spindle 5 is included. A drive shaft 8 is connected to the rotating main shaft 5 by a universal joint 7. A motor 9 is arranged on the inner side of the drive shaft 8, and the rotational force of the motor 9 is given to the drive shaft 8 via the belt 10 to rotate the drive shaft 8.
【0003】右架台3も、左架台2と同様の構成であ
り、振動枠11、回転主軸12、チャッキング装置13
を有する。回転主軸12には駆動軸14が連結されてお
り、駆動軸14はベルト15を介してベッド1の奥側に
配置されモータ16により回転される。プロペラシャフ
トの動釣合い試験を行う場合には、図1に1点鎖線で示
すように、プロペラシャフト17の左端部はチャッキン
グ装置6により保持され、プロペラシャフト17の右端
部はチャッキング装置13により保持される。その際、
動釣合い試験をするプロペラシャフト17の長さに合わ
せて、右架台3は、ベッド1上を左右方向に移動可能で
ある。すなわち、ハンドル18を回転させることによ
り、右架台3全体(振動枠11,回転主軸12およびチ
ャッキング装置13を含む右架台3全体)が、左右方向
に、所定の位置に変位可能である。The right pedestal 3 also has the same structure as the left pedestal 2, and includes a vibrating frame 11, a rotary spindle 12, and a chucking device 13.
Have. A drive shaft 14 is connected to the rotary main shaft 12, and the drive shaft 14 is arranged on the back side of the bed 1 via a belt 15 and is rotated by a motor 16. When performing the dynamic balance test of the propeller shaft, the left end portion of the propeller shaft 17 is held by the chucking device 6 and the right end portion of the propeller shaft 17 is held by the chucking device 13 as shown by the chain line in FIG. Retained. that time,
The right pedestal 3 is movable in the left-right direction on the bed 1 according to the length of the propeller shaft 17 to be subjected to the dynamic balance test. That is, by rotating the handle 18, the entire right gantry 3 (the entire right gantry 3 including the vibrating frame 11, the rotary main shaft 12, and the chucking device 13) can be displaced to the predetermined position in the left-right direction.
【0004】なお、右架台3が所定の位置にセットされ
た状態で、回転主軸12と駆動軸14とがユニバーサル
ジョイントその他の連結具19で連結される。そしてそ
の状態で、モータ9により、ベルト10を介して駆動軸
8が回転され、これにより回転主軸5が回転されて、チ
ャッキング装置6で保持されたプロペラシャフト17
は、所定の方向へ、所定の測定速度で回転される。この
ように、左架台2側が、主駆動部として動作する。The rotating main shaft 12 and the drive shaft 14 are connected by a universal joint or other connecting member 19 in a state where the right frame 3 is set at a predetermined position. Then, in this state, the drive shaft 8 is rotated by the motor 9 via the belt 10, whereby the rotary main shaft 5 is rotated and the propeller shaft 17 held by the chucking device 6 is rotated.
Is rotated in a predetermined direction at a predetermined measuring speed. In this way, the left gantry 2 side operates as a main drive unit.
【0005】一方、右架台3側は、副駆動部として動作
する。より具体的には、モータ16の回転力はベルト1
5を介して駆動軸14に与えられ、回転主軸12を回転
させる。この場合、回転主軸12の回転速度が左側の回
転主軸5の回転速度よりも少し遅い回転速度で、回転主
軸5と同じ方向へ回転される。この結果、プロペラシャ
フト17には、動釣合い試験時に、一定のトルクがかか
るようになっている。この理由は、プロペラシャフト1
7は、中央部に中間スライド機構(インボリュートスプ
ラインにて構成)を有しており、このスライド部のがた
つきが測定,修正に悪影響を与えない様にする為であ
る。すなわち、トルク負荷によりスライド部が調芯する
作用を利用した測定技術である。On the other hand, the right gantry 3 side operates as a sub drive unit. More specifically, the rotational force of the motor 16 is the belt 1
5 is applied to the drive shaft 14 to rotate the rotary main shaft 12. In this case, the rotation speed of the rotary main shaft 12 is slightly lower than the rotation speed of the left rotary main shaft 5, and is rotated in the same direction as the rotary main shaft 5. As a result, a constant torque is applied to the propeller shaft 17 during the dynamic balance test. The reason for this is the propeller shaft 1
No. 7 has an intermediate slide mechanism (constituted by an involute spline) at the center, so that the rattling of this slide does not adversely affect measurement and correction. That is, this is a measurement technique that utilizes the action of the slide portion being aligned by the torque load.
【0006】[0006]
【発明が解決しようとする課題】図3は、図1,図2に
示す動釣合い試験機における右架台3とモータ16とベ
ルト15との配置関係を示す側面図である。図3に示す
ように、従来の構成は、架台3の奥にモータ16が配置
されて、モータ16の回転力はベルト15で架台3の回
転主軸12に伝達される構成である。このため、機械構
造が複雑で、しかもベルト15が不釣合い測定の数値に
影響を及ぼす場合がある等の不具合があった。FIG. 3 is a side view showing the positional relationship between the right pedestal 3, the motor 16 and the belt 15 in the dynamic balance testing machine shown in FIGS. As shown in FIG. 3, in the conventional configuration, a motor 16 is arranged in the back of the gantry 3, and the rotational force of the motor 16 is transmitted to the rotary main shaft 12 of the gantry 3 by the belt 15. As a result, the mechanical structure is complicated, and the belt 15 may affect the numerical value of the imbalance measurement.
【0007】この発明は、かかる不具合を解決するため
になされたものである。この発明の目的は、装置の小型
化を実現できる構成を提供することである。The present invention has been made to solve such a problem. An object of the present invention is to provide a structure that can realize downsizing of the device.
【0008】[0008]
【課題を解決するための手段および発明の効果】請求項
1記載の発明は、左右一対の架台を有し、各架台には、
振動枠と、振動枠に備えられた動釣合い試験をするワー
クピースの端部を取り付ける回転主軸とが設けられてい
る動釣合い試験機において、少なくとも一方の架台は、
前記回転主軸を駆動するための駆動装置が振動枠に取り
付けられていることを特徴とする動釣合い試験機であ
る。The invention according to claim 1 has a pair of left and right mounts, and each mount has:
In a dynamic balance testing machine provided with a vibrating frame and a rotary spindle for attaching an end portion of a workpiece to be subjected to a dynamic balance test provided in the vibrating frame, at least one cradle is
In the dynamic balance testing machine, a driving device for driving the rotating main shaft is attached to a vibrating frame.
【0009】請求項2記載の発明は、前記ワークピース
は、自動車用のプロペラシャフトでかつ中間スライド機
構を有するものであり、動釣合い試験中にプロペラシャ
フトのスライド機構に一定のトルクがかかるように、主
駆動側の架台と異なる架台において、請求項1の構成が
採用されていることを特徴とする動釣合い試験機であ
る。請求項3記載の発明は、両方の架台において、前記
回転主軸を駆動するための駆動装置が振動枠に取り付け
られ、一方の駆動装置は主駆動側として、回転主軸を所
定の測定回転速度で回転させるものであり、他方の駆動
装置は副駆動側として、回転主軸を一方の架台の回転主
軸よりも低い回転速度で回転させるものであり、それに
よって、両回転主軸に両端が取り付けられたワークピー
スに一定のトルクをかけられることを特徴とする、請求
項1記載の動釣合い試験機である。According to a second aspect of the present invention, the workpiece is a propeller shaft for an automobile and has an intermediate slide mechanism so that a certain torque is applied to the slide mechanism of the propeller shaft during a dynamic balance test. The dynamic balance testing machine is characterized in that the structure of claim 1 is adopted in a frame different from the main drive side frame. According to a third aspect of the present invention, in both mounts, a drive device for driving the rotary main shaft is attached to the vibrating frame, and one drive device is a main drive side, and the rotary main shaft is rotated at a predetermined measurement rotational speed. The other driving device, as the sub-driving side, rotates the rotating main shaft at a lower rotation speed than the rotating main shaft of the one gantry, whereby a workpiece with both ends attached to both rotating main shafts. The dynamic balance testing machine according to claim 1, wherein a constant torque is applied to the.
【0010】請求項1の構成によれば、少なくとも一方
の架台において、回転主軸を駆動するための駆動装置が
振動枠に取り付けられているので、動釣合い試験時に、
駆動装置は振動枠とともに振動する。このため、従来の
ような、駆動装置(モータ)は固定配置されていて、そ
の回転力がベルトを介して振動枠に取り付けられている
回転主軸に伝達される構成に比べ、ベルトのテンション
力が振動枠の振動に影響を及ぼす等の不具合がない。According to the structure of claim 1, at least one of the mounts has the drive device for driving the rotary spindle attached to the vibrating frame, so that at the time of the dynamic balance test,
The drive device vibrates together with the vibrating frame. Therefore, as compared with the conventional configuration in which the drive device (motor) is fixedly arranged and the rotational force is transmitted to the rotating main shaft attached to the vibrating frame via the belt, the tension force of the belt is higher. There is no problem such as affecting the vibration of the vibrating frame.
【0011】また、駆動装置は振動枠に取り付けられて
いるから、駆動装置が振動枠と別の位置に固定配置され
ている場合に比べ、装置全体の構成の小型化が図れる。
プロペラシャフト用の動釣合い試験機では、従来技術の
項でも説明したように、通常、主駆動側の架台によって
プロペラシャフトを回転し、副駆動側の架台では、主駆
動側の回転速度よりも少し低い速度でプロペラシャフト
を回転させる。これは、プロペラシャフトの中で、中間
スライド機構を有するものは、そのスライド部のがたつ
きが、測定,修正精度に悪影響を与えない様に、一定の
トルクをかける必要があるからである。Further, since the drive device is attached to the vibrating frame, the size of the entire device can be reduced as compared with the case where the drive device is fixedly arranged at a position different from the vibrating frame.
In the dynamic balance tester for propeller shafts, the propeller shaft is normally rotated by the pedestal on the main drive side, as described in the section of the prior art. Rotate the propeller shaft at low speed. This is because a propeller shaft having an intermediate slide mechanism needs to apply a certain torque so that the rattling of the slide portion does not adversely affect the measurement and correction accuracy.
【0012】このため、副駆動側の架台では、駆動装置
は小型のものでよいから、請求項1の構成、すなわち振
動枠に駆動装置を取り付けるという構成を採用しやす
い。また、請求項3のように、左右一対の架台の両方に
対し、請求項1の構成を採用してもよい。この場合、動
釣合い試験機全体の小型化を図れ、しかも製作費を低減
できる。For this reason, since the driving device may be small in the sub-driving frame, it is easy to adopt the structure of claim 1, that is, the structure in which the driving device is attached to the vibrating frame. Further, as in claim 3, the configuration of claim 1 may be adopted for both the pair of left and right mounts. In this case, the dynamic balance testing machine as a whole can be downsized and the manufacturing cost can be reduced.
【0013】[0013]
【発明の実施の形態】以下には、図面を参照して、この
発明の一実施形態について説明をする。図4は、この発
明の一実施形態に係る動釣合い試験機の架台の構成を説
明するための側面図である。この実施形態にかかる架台
20は、図示しないベッドに取り付けられる固定ブロッ
ク21と、固定ブロック21の上部に備えられた振動ブ
ロック22と、固定ブロック21と振動ブロック22と
を連結する板ばね23とを含んでおり、これが振動枠と
して機能する。BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 4 is a side view for explaining the configuration of the mount of the dynamic balance testing machine according to the embodiment of the present invention. The gantry 20 according to this embodiment includes a fixed block 21 attached to a bed (not shown), a vibration block 22 provided on an upper portion of the fixed block 21, and a leaf spring 23 connecting the fixed block 21 and the vibration block 22. Included, which acts as a vibrating frame.
【0014】振動ブロック22には回転主軸24が備え
られている。この実施形態の特徴は、振動ブロック22
にモータ25が取り付けられていることである。モータ
25の回転軸26にはプーリ27が連結され、プーリ2
7と回転主軸2との間にはベルト27が張られている。
よって、モータ25によりベルト27を介して回転主軸
24が回転される。このように振動ブロック22にモー
タ25を配置することで、架台の構成を小型化でき、動
釣合い試験機全体の小型化を実現できる。The vibration block 22 is provided with a rotary main shaft 24. The feature of this embodiment is that the vibration block 22
The motor 25 is attached to the. A pulley 27 is connected to a rotary shaft 26 of the motor 25, and the pulley 2
A belt 27 is stretched between the rotating shaft 7 and the rotary shaft 2.
Therefore, the rotary main shaft 24 is rotated by the motor 25 via the belt 27. By arranging the motor 25 on the vibration block 22 as described above, the structure of the gantry can be downsized, and the downsizing of the dynamic balance testing machine can be realized.
【0015】図1で説明した従来のプロペラシャフト用
動釣合い試験機において、右架台3およびそれに付設さ
れたモータ16およびベルト15等の構成に代えて、図
4に示す構成を採用することができる。また、図1で示
したプロペラシャフト用動釣合い試験機における左架台
2およびモータ9,ベルト10等からなる主駆動側の構
成を、図4に示す構成で置き換えてもよい。In the conventional propeller shaft dynamic balance tester described with reference to FIG. 1, the configuration shown in FIG. 4 can be adopted in place of the configuration of the right pedestal 3, the motor 16 and the belt 15 attached thereto. . Further, the configuration on the main drive side including the left pedestal 2, the motor 9, the belt 10 and the like in the propeller shaft dynamic balance tester shown in FIG. 1 may be replaced with the configuration shown in FIG.
【0016】図4に示すような構成を採用すれば、駆動
用のベルト27のテンション力による影響が振動枠にお
ける振動に影響を及ぼすことがなく、プロペラシャフト
の動釣合い試験がより正確に行える。また、機械装置の
小型化を図ることができ、製作費の低減を図れる。この
発明は、以上説明した実施形態に限定されるものではな
く、請求項記載の範囲内において種々の変更が可能であ
る。If the structure shown in FIG. 4 is adopted, the effect of the tension force of the driving belt 27 does not affect the vibration in the vibrating frame, and the dynamic balance test of the propeller shaft can be performed more accurately. Further, the mechanical device can be downsized, and the manufacturing cost can be reduced. The present invention is not limited to the embodiments described above, and various modifications can be made within the scope of the claims.
【図1】従来のプロペラシャフト用動釣合い試験機の一
例を示す正面図である。FIG. 1 is a front view showing an example of a conventional dynamic balance tester for propeller shafts.
【図2】従来のプロペラシャフト用動釣合い試験機の一
例を示す平面図である。FIG. 2 is a plan view showing an example of a conventional dynamic balance tester for propeller shafts.
【図3】従来のプロペラシャフト用動釣合い試験機にお
ける架台の構成を説明するための側面図である。FIG. 3 is a side view for explaining the configuration of a pedestal in a conventional propeller shaft dynamic balance tester.
【図4】この発明の一実施形態に係るプロペラシャフト
用動釣合い試験きの架台の構成を説明するための側面図
である。FIG. 4 is a side view for explaining the configuration of the mount for the dynamic balance test for the propeller shaft according to the embodiment of the present invention.
20 架台(振動枠) 21 固定ブロック 22 振動ブロック 23 板ばね 24 回転主軸 25 モータ 27 ベルト 20 frame (vibration frame) 21 Fixed block 22 Vibration block 23 leaf spring 24 rotating spindle 25 motor 27 belts
フロントページの続き (72)発明者 武田 金次郎 大阪府高槻市宮田町1丁目24番3号 株式 会社長浜製作所内 Fターム(参考) 2G021 AB06 AC11 AF03 AF08 Continued front page (72) Inventor Kinjiro Takeda 1-24-3 Miyata-cho, Takatsuki-shi, Osaka Stocks Company Nagahama Works F-term (reference) 2G021 AB06 AC11 AF03 AF08
Claims (3)
枠と、振動枠に備えられた動釣合い試験をするワークピ
ースの端部を取り付ける回転主軸とが設けられている動
釣合い試験機において、 少なくとも一方の架台は、前記回転主軸を駆動するため
の駆動装置が振動枠に取り付けられていることを特徴と
する動釣合い試験機。1. A dynamic balance having a pair of left and right mounts, each of which is provided with a vibrating frame and a rotary main shaft to which an end of a workpiece for dynamic balance testing mounted on the vibrating frame is attached. In the test machine, at least one of the mounts has a drive device for driving the rotary spindle attached to a vibrating frame, which is a dynamic balance test machine.
シャフトでかつ中間スライド機構を有するものであり、 動釣合い試験中にプロペラシャフトのスライド機構に一
定のトルクがかかるように、主駆動側の架台と異なる架
台において、請求項1の構成が採用されていることを特
徴とする動釣合い試験機。2. The work piece is a propeller shaft for an automobile and has an intermediate slide mechanism, and a pedestal on the main drive side so that a certain torque is applied to the slide mechanism of the propeller shaft during a dynamic balance test. A dynamic balance testing machine, wherein the structure according to claim 1 is employed in a frame different from the above.
するための駆動装置が振動枠に取り付けられ、 一方の駆動装置は主駆動側として、回転主軸を所定の測
定回転速度で回転させるものであり、 他方の駆動装置は副駆動側として、回転主軸を一方の架
台の回転主軸よりも低い回転速度で回転させるものであ
り、 それによって、両回転主軸に両端が取り付けられたワー
クピースに一定のトルクをかけられることを特徴とす
る、請求項1記載の動釣合い試験機。3. In both of the mounts, a drive device for driving the rotary main shaft is attached to a vibrating frame, and one drive device is a main drive side and rotates the rotary main shaft at a predetermined measurement rotational speed. On the other hand, the other driving device, as the sub-driving side, rotates the rotary spindle at a lower rotational speed than the rotary spindle of one of the gantry, whereby a fixed work piece with both ends attached to both rotary spindles is provided. The dynamic balance testing machine according to claim 1, wherein a torque is applied.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001193213A JP4684475B2 (en) | 2001-06-26 | 2001-06-26 | Dynamic balance testing machine for propeller shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001193213A JP4684475B2 (en) | 2001-06-26 | 2001-06-26 | Dynamic balance testing machine for propeller shaft |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2003004576A true JP2003004576A (en) | 2003-01-08 |
JP4684475B2 JP4684475B2 (en) | 2011-05-18 |
Family
ID=19031544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001193213A Expired - Lifetime JP4684475B2 (en) | 2001-06-26 | 2001-06-26 | Dynamic balance testing machine for propeller shaft |
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JP (1) | JP4684475B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008039416A (en) * | 2006-08-01 | 2008-02-21 | Jtekt Corp | Testing method and production method for driving force transmission system |
CN102997821A (en) * | 2012-11-29 | 2013-03-27 | 苏州博德自动化科技有限公司 | Rotating transmission device for motor rotor shaft jumping detector |
CN103017700A (en) * | 2012-11-29 | 2013-04-03 | 苏州博德自动化科技有限公司 | Lifting and rotating transmission device of motor rotor shaft jump detector |
CN116481717A (en) * | 2023-06-04 | 2023-07-25 | 滕州市鑫岩石料有限责任公司 | Dynamic balance detector for equipment motor spindle |
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JPS5343585A (en) * | 1975-10-03 | 1978-04-19 | Schenck Ag Carl | Method and device for balancing test of combined parts |
JPS64434A (en) * | 1987-02-13 | 1989-01-05 | Carl Schenck Ag | Machine for centering mass of rotating body |
JPH02165028A (en) * | 1988-12-20 | 1990-06-26 | Nagahama Seisakusho:Kk | Dynamic balance tester |
JPH02173539A (en) * | 1988-12-26 | 1990-07-05 | Nagahama Seisakusho:Kk | Dynamic balancing test machine |
JPH03181835A (en) * | 1989-12-12 | 1991-08-07 | Toyota Motor Corp | Balance tester |
JPH11337453A (en) * | 1998-05-28 | 1999-12-10 | Toyota Motor Corp | Method for measuring vibration characteristic of power transmission device |
JP2000234979A (en) * | 1999-02-15 | 2000-08-29 | Akashi Corp | Balancing machine and balancing test facility |
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JPS5343585A (en) * | 1975-10-03 | 1978-04-19 | Schenck Ag Carl | Method and device for balancing test of combined parts |
JPS64434A (en) * | 1987-02-13 | 1989-01-05 | Carl Schenck Ag | Machine for centering mass of rotating body |
JPH02165028A (en) * | 1988-12-20 | 1990-06-26 | Nagahama Seisakusho:Kk | Dynamic balance tester |
JPH02173539A (en) * | 1988-12-26 | 1990-07-05 | Nagahama Seisakusho:Kk | Dynamic balancing test machine |
JPH03181835A (en) * | 1989-12-12 | 1991-08-07 | Toyota Motor Corp | Balance tester |
JPH11337453A (en) * | 1998-05-28 | 1999-12-10 | Toyota Motor Corp | Method for measuring vibration characteristic of power transmission device |
JP2000234979A (en) * | 1999-02-15 | 2000-08-29 | Akashi Corp | Balancing machine and balancing test facility |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008039416A (en) * | 2006-08-01 | 2008-02-21 | Jtekt Corp | Testing method and production method for driving force transmission system |
CN102997821A (en) * | 2012-11-29 | 2013-03-27 | 苏州博德自动化科技有限公司 | Rotating transmission device for motor rotor shaft jumping detector |
CN103017700A (en) * | 2012-11-29 | 2013-04-03 | 苏州博德自动化科技有限公司 | Lifting and rotating transmission device of motor rotor shaft jump detector |
CN116481717A (en) * | 2023-06-04 | 2023-07-25 | 滕州市鑫岩石料有限责任公司 | Dynamic balance detector for equipment motor spindle |
CN116481717B (en) * | 2023-06-04 | 2024-03-01 | 滕州市鑫岩石料有限责任公司 | Dynamic balance detector for equipment motor spindle |
Also Published As
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