Zhejiang Waxing Electromechanical Co., Ltd is one of the most professional manufacturers and suppliers of taper bush 2012-30w in China. Welcome to buy high quality customized bearings made in China here from our factory. For price consultation, contact us.
The taper bush sleeve is a new type of mechanical transmission connection component commonly used in European and American countries. It has the characteristics of high degree of standardization, high precision, compact structure, and easy installation and disassembly.
The taper sleeve is tightly connected with the inner cone surface of the pulley, sprocket and other transmission parts through the 8-degree outer cone surface, which greatly improves the centering accuracy of various transmission parts. The dimensions of the taper sleeve are series standard designs. The inner hole keyway is processed according to ISO standards. It has good versatility and interchangeability and is suitable for various occasions. When the transmission parts run for a long time, the inner hole and chain groove may be damaged. If the transmission parts use this kind of taper sleeve, when this happens, they only need to be replaced. The cone sleeve of the same specification can be restored to use. Therefore, the service life of transmission parts is greatly improved, maintenance costs are reduced, and time is saved.
Taper sleeves are mainly divided into TB taper sleeves, QD taper sleeves and STB taper sleeves. The holes where the taper sleeve matches the pulley are all half-sided, and the two smooth holes on the taper sleeve and the two threaded holes on the pulley are respectively A complete hole is formed, and a threaded hole on the taper sleeve and a smooth hole on the pulley form a complete hole. During assembly, put the two screws in the two threaded holes of the pulley. As the screws are tightened in the threaded holes of the pulley, the thread action will push the screws to the small end of the tapered hole on the pulley, and the tapered sleeve will The two optical holes are not completely processed. In this way, when the head of the screw presses against the bottom of the optical hole, the force is transmitted to the taper sleeve, and the taper sleeve moves relative to the pulley toward the small end of the taper hole of the pulley. At this time, due to the taper, the taper sleeve continues to wrap around the shaft, and the shaft reacts on the taper sleeve and then on the pulley. In this way, the pulley, taper sleeve and shaft are tightly assembled.
On the contrary, during disassembly, the screw withdrawn from the threaded hole of the pulley is put into the threaded hole of the tapered sleeve. During the continuous tightening process, the screw also moves towards the small end of the tapered hole of the pulley. When the head of the screw is against When the bottom of the optical hole of the pulley reaches the bottom of the pulley, the force is transmitted to the pulley. At this time, the pulley moves toward the small end of the pulley's taper hole relative to the taper sleeve. In this way, the pulley and the taper sleeve are separated, and the taper sleeve also loses the force from the pulley taper. The restraining force of the hole, plus a bit of its own elasticity to restore roundness, also detaches itself from the axis.
When the taper sleeve connects the pulley and the shaft, an interference fit connection is formed. The inner hole of the taper sleeve is connected with the shaft by a key, and the torque and force are transmitted through the key. Although there is no key connection between the taper sleeve and the pulley, there is positive pressure on the joint surface, and the friction generated can transmit torque and force.
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