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河北安恕朗盛機(jī)械科技有限公司
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WGII聯(lián)軸器
鼓形齒式聯(lián)軸器的特點(diǎn)
●齒式聯(lián)軸器是由齒數(shù)相同的內(nèi)齒圈和帶外齒的凸緣半聯(lián)軸器等零件組成。外齒分為直齒和鼓形齒兩種齒形，所謂鼓形齒即為將外齒制成球面，球面中心在齒輪軸線(xiàn)上，齒側(cè)間隙較一般齒輪大，鼓形齒聯(lián)軸器可允許較大的角位移（相對(duì)于直齒聯(lián)軸器），可改善齒的接觸條件，提高傳遞轉(zhuǎn)矩的能力，延長(zhǎng)使用壽命。有角位移時(shí)沿齒寬的接觸狀態(tài)。
●齒式聯(lián)軸器在工作時(shí)，兩軸產(chǎn)生相對(duì)角位移，內(nèi)外齒的齒面周期性作軸向相對(duì)滑動(dòng)，必然形成齒面磨損和功率消耗，因此，齒式聯(lián)軸器需在有良好和密封的狀態(tài)下工作。齒式聯(lián)軸器徑向尺寸小，承載能力大，常用于低速重載工況條件的軸系傳動(dòng)，高精度并經(jīng)動(dòng)平衡的齒式聯(lián)軸器可用于高速傳動(dòng)，如燃汽輪機(jī)的軸系傳動(dòng)。由于鼓形齒式聯(lián)軸器角向補(bǔ)償大于直齒式聯(lián)軸器，國(guó)內(nèi)外均廣泛采用鼓形齒式聯(lián)軸器，直齒式聯(lián)軸器屬于被淘汰的產(chǎn)品，選用者應(yīng)盡量不選用。
Features of drum gear coupling
The gear coupling is composed of the same inner ring and the flange half coupling of the outer tooth. Divided into straight teeth and drum tooth outside two kinds of tooth shape, tooth is the so-called drum will made spherical outer teeth, spherical center on the gear axis, backlash is generally large gear, drum gear couplings allows a larger angular displacement (as opposed to straight tooth coupling), can improve the tooth contact conditions, improve the ability to transfer torque, prolong service life. The contact state along the tooth width in angular displacement.
Low coupling at work, two relative angular displacement of the shaft of the internal and external gear tooth surface of periodic axial relative sliding, inevitable formation of tooth surface wear and power consumption, therefore, the coupling should be in good and sealing state work. Type coupling radial size is small, large carrying capacity, often used for shaft transmission of working condition of low speed and heavy loading, high precision and the dynamic balance of coupling can be used for high-speed transmission, such as gas turbine shaft transmission. Because the drum type coupling Angle is greater than the direct coupling to the compensation, both at home and abroad widely used drum type coupling, straight type coupling are eliminated products, choose those should not choose as far as possible.
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