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    拉伸彈簧特性具有長久保持的好彈性
    文章來源:http://www.tlwpp.com/ 發布時間:2022-06-09 瀏覽次數:
    拉伸彈簧是承受軸向拉力的螺旋彈簧,是運用拉伸后的拉力來儲存能量的,它在拉開后會試圖拉回在一起,造成對抗力。在不承重時,拉簧的圈之間是并緊的,因此說,拉伸彈簧盤繞的緊密水平是由初始張力決策的。其制做原材料通常有不銹鋼、琴鋼、高碳鋼、磷銅、油回火合金彈簧鋼等。
    The tension spring is a coil spring that bears axial tension. It uses the tension after tension to store energy. It will try to pull back together after being pulled apart, resulting in resistance. When there is no load, the coils of the tension spring are tight. Therefore, the tightness level of the tension spring is determined by the initial tension. Its raw materials usually include stainless steel, piano steel, high carbon steel, phosphor copper, oil tempered alloy spring steel, etc.
    拉簧的收口通常有螺紋嵌入式、交叉中心拉環、拉鉤、加大的小孔、縮小的小孔、矩形收口和水滴狀的收口,收口距彈簧體的長度可依據具體情況而定。較為常見的是掛鉤拉伸彈簧,其“鉤”是拉力的來源,其形狀通常是圓截面,便捷固定不動到所聯接的組件上。
    The closing of the tension spring usually includes thread embedded, cross center pull ring, pull hook, enlarged small hole, reduced small hole, rectangular closing and water drop closing. The length between the closing and the spring body can be determined according to the specific situation. The more common is the hook tension spring, whose "hook" is the source of tension. Its shape is usually circular section, which can be easily fixed to the connected components.
    拉簧應具有經久不變的彈性,且不允許產生變形。因此在設計彈簧時,務必使其工作應力在彈性極限范圍內。在這個范圍內工作的壓縮彈簧,當承受軸向載荷P時,彈簧將產生相應的彈性變形。為了表示彈簧的載荷與變形的關系,取縱坐標表示彈簧承受的載荷,橫坐標表示彈簧的變形,通常載荷和變形成直線關系。
    The tension spring shall have long-lasting elasticity without deformation. Therefore, when designing the spring, the working stress must be within the elastic limit. When the compression spring working within this range bears the axial load P, the spring will produce corresponding elastic deformation. In order to express the relationship between the load and deformation of the spring, the ordinate represents the load borne by the spring, and the abscissa represents the deformation of the spring. Usually, the load and deformation form a linear relationship.
    拉伸彈簧
    這種表示載荷與變形的關系的曲線稱為彈簧的特性曲線。彈簧在安裝時,通常預加一個壓力Fmin,使它可靠地穩定在安裝位置上。Fmin稱為彈簧的很小載荷(安裝載荷)。在它的作用下,拉伸彈簧的長度被壓縮到H1其壓縮變形量為λmin。Fmax為彈簧承受的很大工作載荷。在Fmax作用下,彈簧長度減到H2,其壓縮變形量增到λmax。λmax與λmin的差即為彈簧的工作行程h,h=λmax-λmin。Flim為彈簧的極限載荷。
    This curve representing the relationship between load and deformation is called the characteristic curve of spring. When installing the spring, a pressure of Fmin is usually pre applied to make it reliably stable in the installation position. Fmin is called the very small load of the spring (mounting load). Under its action, the length of the extension spring is compressed to H1, and its compression deformation is λ min。 Fmax is the large working load borne by the spring. Under the action of Fmax, the spring length decreases to H2, and its compression deformation increases to λ max。 λ Max and λ The difference of Min is the working stroke of the spring h, H= λ max- λ min。 Flim is the ultimate load of the spring.
    拉伸彈簧具有非線性特性,其剛度隨載荷而變,因而在任何載荷下其自振頻率幾乎保持不變,從而使彈簧裝置具有幾乎不變的特性;其吸收高頻振動和隔音的性能良好;它同時承受軸向載荷和徑向載荷,通過內壓的調整,還可以得到不同的承載能力。因此能適應多種載荷需要。
    The tension spring has nonlinear characteristics, and its stiffness changes with the load, so its natural frequency remains almost unchanged under any load, so that the spring device has almost unchanged characteristics; It has good performance of absorbing high-frequency vibration and sound insulation; It can bear axial load and radial load at the same time, and different bearing capacities can be obtained by adjusting the internal pressure. Therefore, it can meet the needs of various loads.
    拉伸彈簧在有效行程內,通過增、減充氣壓力的方法,調節拉伸彈簧的剛度、高度、腔內容積、承載力的大小。同時它的剛度、高度、腔內容積、承載能力將隨著載荷的增減發生平穩的、周期性的柔性變化,從而實現了承載力的柔性傳遞、行程的有效調節以及震動振幅與震動載荷的高效控制。還可以附加氣室,實現自動調節。
    Within the effective stroke of the tension spring, the stiffness, height, cavity volume and bearing capacity of the tension spring are adjusted by increasing and decreasing the inflation pressure. At the same time, its stiffness, height, cavity volume and bearing capacity will change smoothly and periodically with the increase or decrease of load, so as to realize the flexible transmission of bearing capacity, effective adjustment of stroke and efficient control of vibration amplitude and vibration load. It can also add an air chamber to realize automatic adjustment.
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