FAQ

We focus on the design, development, and manufacturing of industrial couplings for power transmission applications. With more than ten years of industry experience, we combine CAD-based engineering, standardized quality control, and strong OEM/ODM capabilities to deliver reliable, high-precision coupling solutions. Our integrated R&D and manufacturing approach allows us to efficiently support both custom development and stable mass production for global industrial customers.

1. Preliminary correction Wipe the outer circle and end face of the coupling to ensure that the measuring surface is clean and oil-free. Loosen the coupling bolts for easy adjustment. Use a ruler to check whether the end face clearance of the coupling is within the range of two to six millimeters. Use a steel ruler and auxiliary measuring tools to preliminarily check the radial deviation and axial deviation of the upper, lower, left and right couplings. 2. Set up a dial indicator to check whether the vernier caliper and dial indicator have a certificate of conformity to ensure the accuracy of the measuring tool. Zero the dial indicator to eliminate system errors. Mark a reference line on the outer circle of the coupling for subsequent measurements. Divide the outer side of the motor into four equal parts, and use a graphite pen to mark four measuring points of zero, ninety, one hundred and eighty, and two hundred and seventy degrees in the direction of pump rotation. 3. Measure the rotating coupling and measure the axial deviation and radial deviation of the four positions of zero, ninety, one hundred and eighty, and two hundred and seventy degrees in turn. Record the measured values ​​to ensure the accuracy of the data. When returning to the initial point, check whether the gauge is zeroed to verify the accuracy of the measurement process. 4. Adjust the thickness of the front and rear anchor bolt gaskets of the motor that needs to be increased or decreased according to the measurement results. According to the calculation results, adjust the left and right deviation values ​​of the motor Δh, Δr to ensure the radial and axial concentricity of the coupling. Adjust the end face clearance of the coupling to meet the equipment requirements.

Gear couplings are mainly suitable for high speed, large torque transmission, and occasions with large comprehensive displacement of the two shafts12. Specifically: 1. High-speed operation: Gear couplings can adapt to high-speed operation environments and ensure that torque can still be transmitted stably at high speeds12. 2. Transmit large torque: Due to its structural design characteristics, gear couplings can withstand and transmit large torques, and are suitable for occasions that require large torque transmission12. 3. Large comprehensive displacement of the two shafts: Gear couplings also have a certain displacement compensation capability and can adapt to large comprehensive displacements between the two shafts, such as axial, radial and angular displacements2. In addition, some specific types of gear couplings, such as drum gear couplings, are also particularly suitable for low-speed and heavy-load conditions, such as metallurgy, mining, lifting and transportation industries, as well as shaft transmission of various types of machinery such as petroleum, chemical industry, and general machinery. 3. These specific types of gear couplings not only meet the basic torque transmission and displacement compensation functions, but are also optimized for specific working conditions to meet more complex and demanding use requirements.

1. Assembly of hub and shaft: static press-in method or dynamic press-in method can be used. Static press-in method is suitable for tapered shaft holes, but attention should be paid to the damage of the mating surface. Dynamic press-in method is usually hammered with a hand hammer, which is suitable for transition fit or occasions with small interference. 2. Centering and adjustment: After assembly is completed, use the method of adjusting the shim to initially align the centers of the two shafts, and make the end faces of the two half couplings initially parallel, and then put on the bolts to prepare for coaxiality adjustment. 3. Notes: During the assembly process, it is necessary to ensure that the assembly of the half coupling and the shaft complies with the provisions of the equipment technical documents or construction acceptance specifications, and maintain a certain end face clearance. At the same time, pay attention to prevent the coupling end face from being non-perpendicular to the axis to avoid eccentricity.

Diaphragm couplings have many advantages, including high power-to-weight ratio, shock absorption and noise reduction, and adaptability to harsh environments. First, the high power-to-weight ratio of the diaphragm coupling makes it particularly suitable for connecting high-power power devices, and it can still operate normally under harsh environmental conditions, such as high temperature, acid and alkali, salt spray and other environments. Secondly, it has good shock absorption and noise reduction capabilities, high transmission efficiency, up to 99.86%, and is particularly suitable for medium and high-speed high-power transmission. In addition, the diaphragm coupling has a simple structure, light weight, small size, easy assembly and disassembly, no lubrication required, adapts to high temperature and harsh environments, and has good acid and alkali resistance. These characteristics make the diaphragm coupling perform well in industrial applications, and it is often used in water pumps, compressors, printing equipment, mining equipment, etc.

‌Regular inspection‌: Regularly check the appearance of the coupling to see if there are any abnormal conditions such as cracks, deformation, corrosion, etc. At the same time, check whether the connecting bolts are loose. If they are loose, tighten them in time to ensure that the coupling is firmly connected‌. ‌Lubrication and maintenance‌: Proper lubrication of the coupling can reduce wear and extend the service life. According to the use environment and working conditions of the coupling, select a suitable lubricant and add lubricant regularly to keep the coupling in good lubrication. Be careful not to add too much lubricant to avoid leakage and contamination‌. ‌Cleaning and maintenance‌: Keep the coupling clean and regularly remove dust, oil and other impurities on the surface. You can use a clean rag or detergent to clean it, but be careful not to damage the surface of the coupling. Avoid external impact and extrusion of the coupling to avoid deformation or damage‌. ‌Installation and debugging‌: It is crucial to install the coupling correctly. During the installation process, ensure that the coaxiality error of the two shafts is within the allowable range to avoid damage to the coupling due to improper installation. After installation, debug and run to check whether the coupling runs smoothly and whether there are abnormal vibrations and noises. If there are any problems, they should be adjusted in time. ‌Storage management‌: If the coupling is not used for a long time, it should be properly stored. Store it in a dry, ventilated place, avoid direct sunlight and humid environment. Before storage, the coupling can be cleaned and lubricated, and protective measures should be taken to prevent the coupling from rusting and damage‌. ‌Abnormal problem handling‌: During operation, the coupling should be frequently observed for abnormal radial swing and bearing heating. If these phenomena are found, they must be repaired in time to ensure the safe operation of the equipment. ‌Regular replacement and maintenance‌: Some parts of the coupling need to be regularly inspected and replaced to avoid long-term load transportation and prevent production accidents

‌The coupling is a mechanical device mainly used to connect two shafts or shafts and rotating parts to transmit motion and power. ‌Under normal circumstances, the coupling will not disengage, and sometimes it is also used as a safety device to prevent the connected parts from being subjected to excessive loads and play the role of overload protection. Working principle The working principle of the coupling involves the transmission of torque. When the driving shaft starts to rotate under the drive of the power source (such as a motor or engine), the torque is transmitted to the driven shaft through the coupling. Different types of couplings have different transmission methods: ● Rigid coupling‌: The two shafts are tightly connected by a sturdy clamp. It is suitable for occasions with extremely high requirements for the alignment of the shafts and can efficiently transmit large torques. ‌ ● Flexible coupling‌: The two halves of the coupling are connected by elastic elements (such as elastic sleeve pins). It can adapt to changes when there is radial, angular or axial displacement between the shafts to ensure effective transmission of torque. Types and application scenarios Couplings can be divided into rigid couplings and flexible couplings according to their performance and structure: ● Rigid coupling‌: Including fixed rigid couplings, protruding couplings and movable rigid couplings, etc., suitable for occasions with high requirements for alignment and basically no relative displacement between the shafts. ● Flexible coupling‌: such as elastic sleeve pin coupling, suitable for occasions where the centering requirement is not high and relative displacement between shafts may occur. Through these characteristics, couplings play a key role in various mechanical equipment to ensure the stable operation and power transmission of the equipment