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涓嫳鏂囧鐓ц〃锛圕hinese and English comparison table锛

Introduction of the function of rotary joint
 
A rotating joint is a transitional connection sealing device that inputs fluid medium from a static system to a dynamic rotating system.
 
Rotary joint type:
 
The rotary joints are classified according to their types: high pressure rotary joints, high temperature rotary joints, high-speed rotary joints, water-cooled rotary joints, hydraulic rotary joints, pneumatic rotary joints, etc.
 
Main uses:
 
The application area of rotary joints covers almost all manufacturing industries, such as metallurgy, machine tools, power generation, petroleum, rubber, plastics, textile, printing and dyeing, pharmaceutical, cigarette making, papermaking, food, feed processing, etc.
 
The cause of joint leakage and the cause of treatment 1: the core of the hollow shaft and the rotating body are not enough. Countermeasures: check the size and precision, adjust the fixed connection with the rotating body.
 
Reason two: low precision of the assembly machine (the end face straightening, radial, axial gap), large vibration. Countermeasures: find the reasons, repair equipment.
 
Cause three: slurry, dirt and other foreign objects into the contact surface of the friction pair. Countermeasures: add a filter or a decontamination device to change the type of the rotary joint.
 
Reason four: the use of pressure and temperature, speed, and so on beyond the selection of rotary joint range. Countermeasures: study the operating conditions, inquire into the research unit or manufacturing plant, and change the type of rotary joint.
 
Reason five: not adding the lubricating oil according to the prescribed time. The sound of the ball bearing of the grease is not changed or damaged when the high temperature is used. Countermeasures: according to the rules of their use, regularly add or change the grease and replace the bearings.
 
The six reason: the deformation of the friction surface of the sealed friction pair and the larger wear rate of the compensation ring. Countermeasures: there are abnormal grinding surfaces or replacement parts when abnormal.
 
Reason seven: attached seal ring deformation, aging, fracture adhesion. Countermeasures: replace the new auxiliary seal.
 
Cause eight: the rupture and damage of the bellows. Countermeasures: to analyze the reasons and to replace the new elastic elements.
 
The nine reason: the concentricity of the compensating ring grinding part and the air shaft is not enough. Countermeasures: in addition to the installation of suspension and support, the acceptance inspection of the product parts (Tengzhou toughened seal)
 
Installation knowledge
 
1. During the handling and storage of the rotary joint, the collision and fall should be avoided in order to avoid damage to the interface and the internal parts.
 
2, as far as possible the machine is concentric, in order to ensure the good operation of the rotary joint.
 
3, when threaded joints are joined, we should pay attention to the rotation of the inner and outer pipes to the rotation direction of the drum, and the rotation direction of the inner and outer pipes should also be consistent.
 
4, connection between rotary joint and pipe must be connected by hose. Our company recommends using a good metal hose with interference. Absolutely no rigid connection is allowed.
 
5, the entrance and exit of the rotary joint is directly connected with the hose as far as possible. To reduce the joint weight and prolong the service life.
 
6, the assembly of the inner tube, pay attention to the coordination of the size and the auxiliary support of the weight. The internal pipe of the internal rotating rotary joint and the joint are recommended to use the tolerance of H8/e7.
 
7, the support and rotation of the rotary joint should be appropriate, the diameter of the rod should be smaller than the stop hole 2mm, so as to avoid the free adjustment and compensation of the rotary joint.
 
A variety of connection methods used to connect rotating joints to equipment (customers can set up various types of connections based on the specific structure of the use of the equipment.