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The structure of the coupling
There are many types of couplings, and Oldham couplings and flange couplings are two of them respectively. In what situations are Oldham sliders used?What is the appropriate size of the flange coupling?What is the scope of use of flange couplings?
The advantages of the Oldham coupling: It consists of two half couplings with grooves on the end faces and a middle disc with convex teeth on both sides.Because the convex teeth can slide in the groove, the relative displacement between the two shafts during installation and operation can be compensated.The material of the coupling parts can be 45 steel, and the working surface needs to be heat treated to increase its hardness. The flange coupling is a rigid coupling, which uses ordinary flat keys to separate two flanged half couplings. Connect with the two shafts, and then use bolts to connect the two half couplings into one body to transmit movement and torque.
This coupling has two main structural forms:
① Align by matching the convex shoulder on one half coupling with the groove on the other half coupling.The bolts connecting the two half couplings can be used with ordinary bolts of grade B, and the torque is transmitted by the frictional moment of the joint surface of the two half couplings;
②The reaming hole uses bolts to realize the two-axis centering and the bolt rod to bear the extrusion and shear to transmit torque.
The main structural forms of plum coupling are: basic type, single flange type, double flange type, split brake wheel type, and integral brake wheel type.
The quincunx-shaped elastic coupling is composed of two half-couplings with the same shape of the claws and elastic elements. The quincunx-shaped elastic element is placed between the two halves of the coupling claws to realize the coupling of the two halves. Join.
Compared with other couplings, plum-shaped elastic couplings have the following characteristics:
(1) High-strength polyurethane elastic elements are resistant to wear and oil, have large carrying capacity, long service life, and stability and reliability.
(2) The coupling does not need to be lubricated, the maintenance workload is small, and it can run continuously for a long time.
(3) Stable and reliable work, with good vibration damping, buffering and electrical insulation properties.
(4) Simple structure, small radial size, light weight, small moment of inertia, suitable for medium and high speed occasions.
(5) It has large axial, radial and angular compensation capabilities.
The quincunx elastic coupling is a widely used coupling, also called a claw coupling, which is composed of two metal claw discs and an elastic body.The two metal claws are generally made of No. 45 steel, but aluminum alloys are also useful when load sensitivity is required.
梅花形弹性联轴器主要适用于起动频繁、正反转、中高速、中等扭矩和要求高可靠性的工作场合，例如：冶金、矿山、石油、化工、起重、运输、轻工、纺织、水泵、风机等。工作环境温度：–35℃～80℃，传递公称扭矩25～12500Nm，许用转速1500～15300r/min。
The advantages of the Oldham coupling: It consists of two half couplings with grooves on the end faces and a middle disc with convex teeth on both sides.Because the convex teeth can slide in the groove, the relative displacement between the two shafts during installation and operation can be compensated.The material of the coupling parts can be 45 steel, and the working surface needs to be heat treated to increase its hardness. The flange coupling is a rigid coupling, which uses ordinary flat keys to separate two flanged half couplings. Connect with the two shafts, and then use bolts to connect the two half couplings into one body to transmit movement and torque.
This coupling has two main structural forms:
① Align by matching the convex shoulder on one half coupling with the groove on the other half coupling.The bolts connecting the two half couplings can be used with ordinary bolts of grade B, and the torque is transmitted by the frictional moment of the joint surface of the two half couplings;
②The reaming hole uses bolts to realize the two-axis centering and the bolt rod to bear the extrusion and shear to transmit torque.
The main structural forms of plum coupling are: basic type, single flange type, double flange type, split brake wheel type, and integral brake wheel type.
The quincunx-shaped elastic coupling is composed of two half-couplings with the same shape of the claws and elastic elements. The quincunx-shaped elastic element is placed between the two halves of the coupling claws to realize the coupling of the two halves. Join.
Compared with other couplings, plum-shaped elastic couplings have the following characteristics:
(1) High-strength polyurethane elastic elements are resistant to wear and oil, have large carrying capacity, long service life, and stability and reliability.
(2) The coupling does not need to be lubricated, the maintenance workload is small, and it can run continuously for a long time.
(3) Stable and reliable work, with good vibration damping, buffering and electrical insulation properties.
(4) Simple structure, small radial size, light weight, small moment of inertia, suitable for medium and high speed occasions.
(5) It has large axial, radial and angular compensation capabilities.
The quincunx elastic coupling is a widely used coupling, also called a claw coupling, which is composed of two metal claw discs and an elastic body.The two metal claws are generally made of No. 45 steel, but aluminum alloys are also useful when load sensitivity is required.
梅花形弹性联轴器主要适用于起动频繁、正反转、中高速、中等扭矩和要求高可靠性的工作场合，例如：冶金、矿山、石油、化工、起重、运输、轻工、纺织、水泵、风机等。工作环境温度：–35℃～80℃，传递公称扭矩25～12500Nm，许用转速1500～15300r/min。
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