ねじり固有振動の英語

振動系は、ねじり軸まわりに少なくとも２つの固有振動モードの周波数である第１の共振周波数ｆ１と第２の共振周波数ｆ２とを有する。例文帳に追加

The oscillation system has a first resonance frequency f1 and a second resonance frequency f2 which are the frequencies of at least two natural oscillation modes around the torsion axis. - 特許庁

慣性体を大きくせずに、回転体を含んだ駆動伝達装置全体のねじり固有振動を駆動源や伝達機構の振動の周波数と異ならせることができる駆動伝達装置及び画像形成装置を提供すること。例文帳に追加

To provide a drive transmission device which allows the torsional natural oscillation of the entire drive transmission device including a rotation body to have frequencies different from that of the oscillations of a drive source and transmission mechanism without increasing an inertial body, and to provide an image forming apparatus. - 特許庁

該ゴルフボールは、ねじり振動モードの一次固有振動数ｆｃが１８００Ｈｚ〜２８００Ｈｚ、カバーの厚みが０．２ｍｍ〜１．３ｍｍ、カバーのショアＤ硬度が２０〜６０である。例文帳に追加

For the golf ball, the primary natural frequency fc of a torsional vibration mode is 1,800-2,800Hz, the thickness of a cover is 0.2-1.3mm, and the Shore D hardness of the cover is 20-60. - 特許庁

駆動に用いる面外曲げモード以外の振動モード、特に摺動部での面外方向振幅成分をもつねじりモードの固有振動数を駆動周波数帯域外にし、駆動周波数におけるねじりモードの強制励振の応答振幅を減少させる。例文帳に追加

The response amplitude of forced excitation in a torsional mode at a driving frequency is reduced by setting the eigen frequency in vibrational modes other than an antiplane bending mode used for driving, especially in a torsional mode having an amplitude component in the antiplane direction at a sliding section. - 特許庁

このダンパ２２０により、回転体を含んだ駆動装置全体の剛性が変更され、回転体を含んだ駆動伝達装置全体のねじり固有振動を駆動源たる駆動モータ１３０や各ギヤ１４０、１６０の振動の周波数と異ならせることができる。例文帳に追加

The damper 220 alters the rigidity of the entire driving system including the rotation body so as to allow the torsional natural oscillation of the entire drive transmission device including the rotation body to have frequencies different from that of the oscillations of a drive motor 130 serving as the drive source, and gears 140 and 160. - 特許庁

複数の固有振動モードを所望の関係に調整しやすく、且つ、変位角が比較的大きい場合でも変位角が比較的安定した、複数の可動部と複数のねじりバネを有する光偏向器を提供することである。例文帳に追加

To provide a light deflector in which a plurality of intrinsic vibration modes are easily adjustable to a desired relation, in which displacement angles are rather stable even when they are comparatively large, and which has a plurality of movable parts and a plurality of torsion springs. - 特許庁

感光ドラムに装備されている駆動ギアに、同心に質量を付加し、回転の際の慣性モーメントを増減させる事により、感光ドラムのねじり方向の固有振動数を周波数軸上で移動させ、振動エネルギーが存在する周波数帯域より遠ざける事により、感光ドラムの回転方向の振動を抑え、画像の画質向上を図る。例文帳に追加

A mass is added concentrically to a drive gear that the photosensitive drum is equipped, and inertia moment is increased or decreased in rotation, thus moving the natural frequency in the torsional direction of the photosensitive drum for keeping away from a frequency band where vibration energy is present, and avoiding the vibration in the rotary direction of the photosensitve drum for improving image quality. - 特許庁

可動板の寸法を保ったまま、ねじり方向の固有振動数を選択的に変化させ、所望の共振周波数に容易に調整することが可能となる揺動体装置及びその製造方法、揺動体装置によって構成される光学機器を提供する。例文帳に追加

To provide a rocking body apparatus in which natural frequency in torsional direction is selectively varied and easily adjusted to a desired resonance frequency while keeping the dimensions of a movable plate, a method of manufacturing the rocking body apparatus and an optical equipment composed of the rocking body apparatus. - 特許庁