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How to choose the surface hardness of rubber roller During the rubber roller inspection process, the surface of the rubber roller is usually tested for hardness. The rubber material and shovel technology used in different rubber rollers will affect the hardness of the rubber roller surface, making it suitable for different industries. The surface hardness of most rubber rollers is between Shore hardness 20-100, and the hardness of the rubber roller will change according to the needs of...
Role and requirements of rolling bearings The role of rolling bearing coordination is to make the stationary ring and the rotating ring of the bearing respectively consolidate with the stationary part (usually the bearing seat) and the rotating part (usually the shaft) of the installation site, so as to realize the load transmission and the limited movement in the rotating state. The basic task of the system with respect to the position of the stationary system. On the shaft and in the housing,...
Permanent Magnet Synchronous Motor Digital AC Servo Control Technology With the continuous development of the requirements of precision, high speed and high performance in modern industry, traditional controllers are no longer competent in high-demand situations. In many occasions requiring high real-time and high efficiency, special equipment must be used. A digital signal processor (DSP) replaces some of the functions of a conventional controller. Especially when the control algorithm is...
High-performance rolling bearings in machine tools Nowadays, the market demand for machine tools supporting efficient production systems is becoming more sophisticated and complicated. Rolling bearings (hereafter referred to as bearings), which are the rotating parts of the machine tool, are a non-negligible component and their performance directly affects the performance of the machine tool.Development trend of machine toolsThe machine tool is currently shifting to several major directions,...
Reducer gear classification and description Parallel shaft gear reducer (cylindrical gear) A linear strip gear that meshes with a spur gear. It can be said that the pitch of the gear becomes a special case when the size becomes infinite. Helical gear: a cylindrical gear with a toothed helix. Double helical gear: A helical gear formed by left and right spurs. Spur gear: A linear cylindrical gear whose tooth rib is parallel to the shaft center. Straight shaft gear reducer (cone gear) Spiral bevel...
Industrial Gearbox types and reducer selection Commonly used industrial gearbox type: Cycloid gearbox Crane gearbox Planetary gearbox Shaft mounted hardened gearbox Hardened cylindrical gearbox Three ring gearbox Worm gearbox Soft tooth surface gearbox The best way is to find a gerbox samples, according to the sample selection. If not, then according to the following points: What equipment is used on the gearbox in order to determine the safety factor SF (SF = motor power at the rated power of...
What is the purpose of the gearbox, and what aspects can the gearbox be applied to? The gearbox is generally used for low speed and high torque transmission equipment, the motor, internal combustion engine or other high-speed operation of the power through the input shaft of the gearbox with a small number of teeth gear meshing the output shaft of the large gear to achieve the purpose of deceleration, the ordinary reducer will also have several pairs of the same principle of gear to achieve the...
Brief Introduction to flameproof motors Flameproof motors is a type of motor with flameproof performance. The measures taken include: installing the electrical equipment cover in a shell that has a structure that can withstand the explosion pressure of the explosive mixture inside and prevent the internal explosion from propagating to the explosive mixture around the shell (flameproof type); make the motor It is impossible for live parts to produce sparks, arcs or dangerous temperatures that...
Installation method of rolling bearing Shaft and housing hole maintenance Before the installation of the rolling bearing, the shaft, housing hole, end cover and other parts that are matched with it shall be strictly inspected; for the used shaft and housing hole, full accuracy inspection shall be performed; unqualified parts shall be repaired. Or replace it. Otherwise, assembly is not allowed. Shaft maintenance Check the journal eccentricity, bending and diameter variation (ellipticity), place...
Roller application in plastic packaging industrial Rollers, especially mirror rolls, are an indispensable part of the plastic packaging industry. No matter whether it is calendering, extruding or casting, it is inseparable from the rollers. The quality of the surface quality of the roller, the reasonableness of the internal flow path structure and the quality of the machining accuracy will directly affect the quality of the plastic product, especially for the plastic film. Therefore, it is...
How to reduce noise of industrial gearbox The influence of the gear of gearbox error on the noise. Reducing and controlling gear noise is fundamental to reducing noise in gearbox. In order to reduce gear noise, it is necessary to consider both structural design and gear accuracy. Low noise gear structure design requirements. The influence of the gear structure design on noise is very important. The ideal design is: to increase the bending strength of the gear teeth as much as possible, and to...
Precision planetary gear reducer gear parts processing and maintenance Precision planetary gear reducer gear parts need to be processed. First, the precision planetary gear reducer can only be mounted on a flat, shock-absorbing and torsion-resistant support structure.In any case, it is not permissible to hammer the pulley, coupling, pinion or sprocket into the output shaft with a hammer, which can damage the bearing and the shaft.Precision planetary gear reducer has space-saving, reliable,...
Inspection of thrust bearings after installation When installing a thrust bearing, check the verticality of the shaft ring and the centerline of the shaft. The method is to fix the dial gauge to the end surface of the casing, so that the contact of the table top rotates the bearing on the bearing shaft raceway, and observes the dial gauge pointer. If the pointer is yawed, the shaft circle and the shaft center line are not perpendicular. When the case hole is deep, it can also be tested with an...
Rubber compound preparation and rubber roller molding The production process of rubber roller generally follows several processes: rubber compound preparation, rubber roller molding, rubber roller vulcanization and surface treatment. So far, most enterprises are still based on manual unit production. In recent years, with the continuous development of injection, extrusion and winding technologies, rubber roll forming and vulcanization equipment has gradually made the production of rubber rolls...
Plstic Film corona treatment tips For most film printers, the biggest problem in surface treatment work is that they do not understand the film. Being able to control surface treatments is a key factor in balancing the differences between printers and equipment suppliers and equipment suppliers. In general, today's packers purchase from multiple film suppliers, and this multi-channel purchase method inevitably leads packaging companies to use different pretreatment methods of film. In fact, it...
Plstic Films Adhesion and Corona Treatment The role of corona treatment is1. The electrons released from the electrode are accelerated by the high pressure and rushed to the scroll.2. The collision of electrons with air molecules produces part of ozone and nitrogen oxides.3. After the electrons collide with the plastic film (for example, polyethylene), the carbon chain or carbon chain is broken.4. The air affected by corona reacts with these radicals, mainly oxidation.5. Hydroxy groups, ketone...
Analysis of the Reasons for the Phase Loss of Three-Phase Asynchronous Motors The three-phase asynchronous motor runs out of phase, and the case of burning the motor sometimes occurs. The main reason is that the reverse sequence magnetic field generates a large braking torque after one-phase power failure, which reduces the output torque of the motor. When the applied load is constant, the slip rate increases, and the current in the stator winding increases compared with the normal operation. A...
What are the differences between the performance of servo motors and stepper motors? As an open-loop control system, stepper motors have an essential connection with modern digital control technology. In the current domestic digital control system, stepper motors are widely used. With the advent of all-digital AC servo systems, AC servo motors are also increasingly used in digital control systems. In order to adapt to the development trend of digital control, most of the motion control systems...
Basic knowledge of rolling bearings First, the main function of the rolling bearing: To ensure that the bearing has a sufficient life, it is used to support rotating (or oscillating) parts, transfer load, reduce the friction between the pairs of motion, make it flexible (or swing). Second, the basic requirements of the bearing: Can meet the working conditions required by the load, speed, accuracy, dynamic performance (noise, vibration), ambient temperature and life. Third, the basic structure...
Rolling bearing using lubricant analysis As we all know, bearing is a very important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body to reduce the mechanical load friction coefficient of the equipment in the transmission process. Therefore, it is particularly important to select suitable lubricants. So, what should be selected for rolling bearing lubricants? Lubricants used in rolling bearing are classified into grease and lubricating...
Planetary gearbox, by its name we can know that the planetary gearbox is mainly used to reduce speed, so what equipment does the planetary gearbox help to reduce speed? It is mainly used to reduce one speed of the motor, thereby increasing the output torque. Therefore, planetary gearbox are used in many industries in our lives, but for some people who are using planetary gearbox for the first time, they may not know how to install them when they first get them.Huatao gearboxes included...
Gearbox is a mechanical transmission device used in many fields, gearbox involved in ships, water conservancy, electric power, construction machinery and petrochemical industries. There are also a lot of kinds of gearbox, if you want to choose the suitable gearbox for their own industry, you have to understand the advantages and disadvantages of all kinds of gearbox. Next, we will analyze the advantages and disadvantages of all kinds of gearbox:The worm gearbox is composed of input worm and...
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.