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            1. 產品資訊

              洛陽磐龍軸承有限公司--單向軸承應用及功能原理

              2015-11-04  來自: 洛陽磐龍軸承有限公司 瀏覽次數:664

              洛陽磐龍軸承有限公司--單向軸承應用及功能原理

              1. 斜坡和滾子式設計

              斜坡和滾柱式單向離合器基本由筒式內徑的外圈、帶斜坡的內圈及分別承受彈簧力且始終與內外圈緊密接觸的一組滾子組成。只要其中的一個滾道在其運動方向上的旋轉對另一個產成了影響,這種排列就從本質上確保了超越速度的即刻性和保證了立即驅動能力。 運用  這種型號的單向離合器可以適合在各種環境下的超越、分度及止逆的使用。 當作為一個超越單向離合器使用時  斜坡式滾柱式單向離合器將會以這種方式安裝,就是把外圈當做超越構件。這點對高速超越非常重要。在內圈超越的運用中,作用在滾子上的離心力將導致超越速度受限。 當作為一個止逆單向離合器使用時  只有內圈轉動的斜坡滾子式單向離合器適合于比較低的速度。如果需要的轉速高于被推薦的轉速時,建議使用楔塊式單向離合器。 當作為一個分度單向離合器使用時  外圈經常被看成擺動元件,內圈經常被看成從元件。否則,滾子和彈簧的慣量將導致誤差,特別是在高頻率分度時。稀釋了的潤滑油和強力彈簧的運用提供了高速分度的準確性和高質量性。

              2. 楔塊式設計

              這種楔塊式單向超越離合器大體由內圈、外圈、楔塊組、楔塊保持架、強力彈簧及軸承組成。楔塊以在內外圈之間的楔入來從一個滾道向另一個滾道傳遞力量。楔塊有倆個的對角直徑,(即從楔塊的一角到另一對角的距離)其中的一個要大于另一個。楔作用發生在內外圈發生相對轉動時在比較大的橫截面上迫使楔塊有更大的垂直位置。

              3. 自鎖角

              楔作用主要依靠內外圈之間楔塊的楔入和自鎖角。楔塊單向離合器的基本概念要求楔塊的摩擦系數與驅動方向上內圈突然產生扭矩有關系,這個摩擦值必須比自鎖角的正切值大。如果條件不安全,楔入將不會發生。  自鎖角是由楔塊的結構來決定的,內外圈上的點分別用用楔塊和其連接。  楔塊的設計中有一個很低的初始自鎖角來確保開始時的結合。隨著扭矩的增加,楔塊上將產生一個可是使楔塊滾道偏轉的徑向力,導致了楔塊滾轉到了一個新的位置。楔塊經常被設計成有一個可以逐漸增大的自鎖角,與它從超越位置一直到承受載荷的位置一樣。比 較大的自鎖角可以減小由楔塊產成的徑向力,因此只要在伸長量和布氏硬度極限的要求內允許較大扭矩被傳遞。  斯迪爾傳動科技(廈門)有限公司生產了很多不同尺寸和形狀的楔塊來適應市場要求。 自由動作  在保持架中,所有的楔塊被允許做自由和獨立的動作。在超越運動中,這些每一個獨立的楔塊被允許去適應自身在環行空間里的各種變化,這些變化主要由脫離和在疏忽的情況下進入離合器的某些外來物質所引起的。因為各個楔塊都是獨立起作用的,所以它們不能把自身變化的影響傳給其他的楔塊。由于楔塊一直是相同的結合,所以載荷的分布也很均勻。自由動作的規律也引起所有零件的均布磨損,但這種磨損是最小的。 PCE式楔塊  PCE式楔塊的設計是為了克服幾種旋轉和直線搖擺的影響,搖擺的形式就像突然承受短暫的高扭矩過載一樣。這是斯迪爾傳動科技有限公司技術含量很高的設計。這種設計可以提供內裝式保護以阻止別的形式的過載破壞,它現在是300到700系列的標準楔塊。 楔塊的加強  楔塊用作用在其端面上的彈簧來加強的。  斯迪爾傳動科技有限公司已經設計出了幾種不同型號的加強彈簧,如:拉力彈簧、壓縮彈簧及扭轉彈簧。加強彈簧的運用將反映出斯迪爾傳動科技有限公司在超越單向離合器設計和使用方面的豐富經驗,選擇這種加強的的方法比較適合特殊單向離合器的設計。

              在各種設計中,不管是否是拉力彈簧、壓縮彈簧還是扭轉彈簧,彈簧的設計在分別加強每一個楔塊都不需要楔塊之間做動作和影響的傳遞。

              Luoyang Panlong Bearing Co. Ltd. -- Application and function of one-way bearing principle

              1 slope and roller type design

              Slope and a roller type one-way clutch basic by tube inner diameter of the outer ring, slope of the inner ring and respectively under spring force and always with inner and outer rings close contact of a group of the roller. As long as one of the rollers is affected by the rotation of one of its movement direction, this arrangement essentially ensures the immediate and immediate drive of the transcendence. The use of this type of one-way clutch can be suitable for the use of a variety of environment beyond, indexing and check. When used as a one-way clutch using slope type roller type one-way clutch will be installed in this way, that is, the outer ring as beyond the component. This is very important for the high speed. In the application of the inner ring, the centrifugal force acting on the roller will lead to the limitation of speed. When used as a one-way clutch, the roller type one-way clutch is suitable for low speed. If the speed is higher than recommended speed, it is recommended to use a wedge type one-way clutch. When the outer ring is often viewed as a swinging element, the inner ring is often viewed as a component of the clutch. Otherwise, the inertia of roller and spring will cause error, especially in high frequency. The dilution of the oil and the use of a strong spring provides the accuracy and quality of the high speed indexing.

              2 wedge type design

              The wedge type one-way clutch is generally made of inner ring, outer ring, wedge block, wedge holder, strong spring and bearing. The wedge in between the inner and outer ring raceway to wedge from one to another roller transfer power. The wedge block has a pair of diagonal diameters, (i.e., the distance from one corner to the other) is greater than the other. Wedge action occurs in the inner and outer rings of the relative rotation in the larger cross section of the wedge block has a greater vertical position.

              3 self lock angle

              Wedge effect mainly depends on the inner and outer rings between the wedging and self-locking wedge angle. The basic concept of the wedge piece overrunning clutch requirements wedge friction coefficient and driving direction on the inner ring suddenly produce a torque relationship, the friction value must be greater than the self-locking angle tangent value. If the conditions are not safe, there would not be a wedge. The angle of the lock is determined by the structure of the wedge, and the points on the inside and outside of the inner ring are respectively connected with the wedge. The design of the wedge has a very low initial self lock angle to ensure the start of the combination. With the increase of the torque, the wedge will produce a radial force which causes the wedge rolling. The wedge is often designed to have a self - locking angle, which is gradually increasing, and it is the same as it has been in the position of the load. The larger the self - locking angle can be reduced by the radial force of the wedge block, so that the larger torque is transmitted in the request of the elongation and the hardness limit. Sfer transmission technology (Xiamen) Co., Ltd. produced a lot of different sizes and shapes of the wedge to meet the requirements of the market. Free movement in the cage, all of the wedge is allowed to do free and independent action. In the movement beyond, each of these is a independent wedge blocks are allowed to adapt their in annular space changes, these changes are dominated by detachment and entered the clutch of some foreign substances caused by negligence. Because each wedge is independent, so they can't change their influence to other wedge. Since the wedge block has always been the same, the distribution of the load is uniform. The law of free movement also caused all parts of the uniform wear, but this wear is the smallest. The design of the PCE type PCE wedge is designed to overcome the influence of the rotation and the linear swing, which is like a sudden high torque overload. This is the design of the technology content of Sfer Transmission Technology Co., ltd.. This design can provide built-in protection to prevent damage to other forms of overload, which is now 300 to 700 series of standard wedge blocks. The strengthening of the wedge block with a spring on the end of its face. Sfer Transmission Technology Co., Ltd. has designed several different types of strengthening springs, such as: tension spring, compression spring and torsion spring. Strengthen the use of the spring will reflect the Sfer Transmission Technology Co., Ltd. in the design and use of more than one way to use the rich experience, choose the way to strengthen the special way to design the clutch.

              In various designs, regardless of whether or not it is a pull spring, a compression spring or a torsion spring, the spring is designed to strengthen each wedge.

              The installation of the C/T wedge theorem for centrifugal detachment or C/T holder is designed to adapt to the high speed of the inner and outer loop. The C/T wedge is used in many types of models, and FSO300~FSO700 is used to fit the movement of the outer ring of the PCE or C/T wedge.

              C / T type outer ring in the outer ring centrifugal kick-off wedge design, quality of the wedge block have been identified that when do movement beyond the outer ring, the wedge of the centrifugal force to overcome strong spring applied force to the wedge block, resulting in a wedge block completely out of the inner ring raceway.

              C/T type RSBI type and RIZ are used in C/T type 20 to 240. Wedge quality have been identified in the inner ring centrifugal kick-off wedge design that when do movement beyond the inner ring and wedge of centrifugal force to overcome strong spring applied force to the wedge block, resulting in a wedge block completely out of the outer ring raceway. The point of the wedge out of the inner ring or outer ring of the inner ring is listed as the speed. It's often driving speed than from the speed of small, in order to ensure the strengthening of the wedge.

              Centrifugal outstripped the wedge block frame main advantage is when the wedge block from the outer ring rolling or inner ring raceway detachment, and clutch no contact and friction. Therefore, the service life of the clutch is determined by the service life of the bearing.


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