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Two products of Hangzhou Gear Group won the “Machinery Industry Science and Technology Award”
Recently, China Machinery Industry Federation, China Mechanical Engineering Society jointly organized the 2024 annual “Machinery Industry Science and Technology Award” announced the list of winners. Hangzhou Gear Group's two projects of “Key Technology Research and Application of High Power Multi-Speed Auto Shift Transmission” and “R&D and Industrialization of Intelligent Controlled Small Inclination Marine Gearbox” won the third prize of Science and...
What do you know about steel plate silo corrosion protection strategies
We all know that the steel plate warehouse is made of steel plate, so the study of how to anti-corrosion steel plate, also equivalent to the study of how to anti-corrosion steel plate warehouse! Today mainly for you to share some of the anti-corrosion measures on the steel plate warehouse, you can look at the following articles if you want to understand! Steel plate warehouse anti-corrosion strategy: Strategy 1: Before the construction work, to ensure that the base surface of the steel...
On 11th December 2024, the State Intellectual Property Office (IPO) showed that Nanjing High Precision Gear Group Co., Ltd. has obtained a patent titled ‘New type of vertical mill gearbox output sealing structure and new type of vertical mill gearbox’, with authorisation number CN 222122190 U and application date of February 2024, the abstract of the patent shows that this application provides a new type of vertical mill gearbox output sealing structure and a new type of vertical...
Improved optimization of gearbox triple-stage shafts completed
Recently, Dazhou Iron and Steel Rolling Mill, by taking a series of technical measures, eliminated a bar workshop 9H, 11H, 13H gear box operation of hidden problems, not only to improve the production efficiency, but also for the enterprise to create efficiency of about 110,000 yuan. Previously, a bar rolling mill 9H, 11H, 13H gear box tertiary gear and shaft runaway, running sound, equipment operation there are hidden dangers. In response to this problem, the technicians disassembled and...
Planetary gearboxes: technological innovations and prospects for applications
Planetary Gearbox: Technical Innovation and Application Prospects Planetary gearbox is a high-precision transmission device with the advantages of compact structure, high transmission efficiency, and strong load-bearing capacity. It plays an important role in many fields such as mechanical engineering, aerospace, and automotive manufacturing. In this paper, we will introduce the principle of planetary gearbox, application areas and technical innovation, and look forward to its future...
Lubrication of wind power gearbox bearings | Bocheng
In order to ensure that rolling bearings can operate effectively and reliably, they must be adequately lubricated to prevent direct metal-to-metal contact between the rolling elements, raceways and cage. The main functions of lubrication are as follows: Lubrication of bearings can be divided into grease lubrication and oil lubrication. If only lubrication is considered, oil lubrication can maintain good lubrication, but grease lubrication can simplify the peripheral structure of bearings. In...
Give you a few reasons to build a steel plate warehouse
Steel plate warehouse is now the main carrier of the storage of materials in our country, distributed in various industries, building materials, food, chemical industry, etc., so why build steel plate warehouse to store these materials?Steel plate warehouse manufacturers give you a few reasons why you have to use steel plate warehouse to store materials! Reason 1: steel plate warehouse storage material capacity, single warehouse capacity of up to 100,000 tons. Reason 2: steel plate...
How to test, maintain, service and repair gearboxes?
Daily monitoring points Daily/weekly monitoring: - Oil level (‘centre of sight glass’ only applies when gearbox is not in operation) - Oil temperature (should be below 65-70°C) - Filter pressure drop (normally < 2 bar) - Vibration/noise - Oil spills Maintenance of the gearbox ① The gear reducer part should be well ventilated, and the working environment temperature should be within the range of 5℃-35℃. ② often check the amount of gear lubricant oil in the box to ensure that...
How often do you change the oil in a gearbox?
A gearbox is a power transmission mechanism that converts the revolutions of an electric motor to the desired number of revolutions and changes the torque. In the current mechanism used to transfer power and movement, the gear box application range is quite wide. How often should gearbox oil be changed? The price of a gearbox oil change depends on the size of the gearbox used, which then determines the amount of gear oil used. The more oil you use, the more expensive it will be. In addition,...
What is the function of gearboxes Types and characteristics of gearboxes
What is the function of a gearbox Gearbox is an important component widely used in mechanical transmission, consisting of two or more gears, including at least one driving gear with a certain diameter, a gear with a smaller gear connected to the driving mechanism (electric motor, wind turbine, diesel engine, etc.). Gearboxes are widely used, mainly for. 1.acceleration and deceleration: automobile speed gear box plays this role, through the meshing of gears to achieve. 2.change the transmission...
The role of industrial gearboxes
Gearboxes, as an important mechanical transmission device, have a wide range of applications in the industrial field. So, what is the role of industrial gearbox? First of all, let us understand the basic composition and classification of the gear box. Gearboxes are usually composed of input shafts, output shafts, gears and boxes, etc. According to different application requirements, gearboxes can be divided into planetary gearboxes, cylindrical gearboxes, bevel gearboxes and other types. These...
China's machinery industry added value in the first 10 months rose 5.5% year-on-year
2024 Equipment Manufacturing Development Conference is being held in Chongqing. The reporter learned that in the first 10 months of this year, China's machinery industry value-added growth of 5.5% year-on-year, the overall stability of production and marketing of products, accelerating the development of foreign trade, the overall operating situation is stable and improving. In terms of production and sales, the China Machinery Industry Federation focus on monitoring the 122 kinds of mechanical...
Summary of methods for gearbox vibration analysis and diagnosis
There are three specific analytical and diagnostic methods to detect vibration faults in gearboxes. One，Time domain averaging method The principle is to eliminate noise interference in the detection signal The main points of this method applied to fault analysis are: ① there should be two detection signals, one is the vibration signal, and the other is the time scale signal of the rotation of the rotor shaft; ② smooth filtering; ③ if you need to monitor each gear in the transmission chain, it...
Gearboxes are a critical component of many mechanical devices, and their maintenance and upkeep are essential to ensure proper operation and extended service life of the equipment. Here are some key points about gearbox maintenance: 1. Lubricant management Regularly check the level and quality of the lubricant to ensure it is clean and of the proper viscosity. Lubricating oil reduces friction and lowers temperatures, and is critical to the proper operation of the gearbox. It is generally...
What is a gearbox and what does it do?
Gearbox is an important mechanical transmission device that is widely used in several fields. The following are some of the main applications of gearboxes: 1. Wind power generation: In wind turbines, gearboxes are used to transfer the power generated by the wind turbine under the action of the wind to the generator and to bring it up to the corresponding rotational speed. Since the speed of the wind turbine is usually low, the gearbox achieves this through a speed-increasing action, hence the...
Features and uses of industrial gearboxes
01 Industrial gearboxes, also often called reduction gearboxes, are a kind of mechanical transmission device widely used in the industrial field. Industrial gearboxes mainly through a series of gear meshing to change the input power speed and torque, to achieve the purpose of deceleration and torque. Various types of gearboxes, such as straight-toothed cylindrical gears, helical cylindrical gears, bevel gears, worm gears and so on, which are well known in the machinery industry, belong to...
Steel plate silos are a popular type of storage equipment nowadays
Steel plate warehouse is now a popular storage equipment, can be said that the market is very broad, demand exceeds supply, many people like to build a steel plate warehouse to store materials, mainly because of the steel plate warehouse energy saving and environmental protection and cheap. Steel plate warehouse construction has a lot to pay attention to, especially in the rainy season, need to pay attention to more things, next, we will analyze the steel plate warehouse rainy season...
NGC High-speed Railway Gearboxes Won a Major Breakthrough
Recently, the gearbox of CRH380B type train set with 380km/h speed ‘Harmony’ developed by South High Gear won the trial certificate of CRCC railway product certification. The 250 km/h ‘Fuxing’ train gearbox passed the technical assessment of experts. 380km/h ‘Harmony’ rolling stock gear box obtained CRCC certification trial certificate CRH380B rolling stock is one of the models of ‘Harmony’ rolling stock, which is widely used in China, and its key...
Global and Chinese High Speed Gearbox Market Status and Future Trends 2024
A high-speed gearbox is a mechanical device used to transmit high power and speed. It usually consists of multiple gears that transmit power and torque through meshing. High-speed gearboxes are usually used in various mechanical devices in industrial production. High-speed gearboxes are characterised by high efficiency, large torque, high precision and low noise. Among them, high efficiency refers to the transfer of energy, as far as possible to reduce the energy loss; large torque refers to...
On December 3, 2024 Equipment Manufacturing Advanced Technology Exhibition hosted by China Machinery Industry Federation was grandly opened in Chongqing International Expo Center. With the theme of “better equipment, more beautiful world”, the exhibition fully demonstrated the technological progress and innovation achievements of China's equipment manufacturing industry in recent years, embodied the development concept of “smart-green-integration”, and reflected the...
Common chain” with central enterprises to promote the integration of development
November 28, China under the guidance of the State Council State-owned Assets Supervision and Administration Commission, hosted by China Building Materials Group, Tianshan Materials Co., Ltd. hosted the low-carbon inorganic non-metallic materials modern industrial chain common chain action and the establishment of green low-carbon building materials innovation consortium ceremony was held in Beijing. With the theme of “green low-carbon, collaborative innovation, common chain...
Gearbox is a kind of variable speed device that achieves variable speed effect through the meshing of large and small gears, and has many applications in the variable speed of industrial machinery. In the gear box, there is a large gear installed on the low-speed shaft and a small gear installed on the high-speed shaft, and the process of acceleration or deceleration can be completed through the meshing and transmission effect between the gears. The characteristics of the gear box are as...
Assembly steel plate warehouse production introduction
Assembly of steel plate silo referred to as assembly silo, it is the mechanical roller and molded into a corrugated plate punching, electric torque wrench through the high-strength bolts connected to the assembly of a kind of steel plate silo. The wall plate of the assembly silo is corrugated, and the plate is generally galvanized, and its thickness is usually 0.8~4.2mm, and the thickness of the silo wall can be up to 8.4mm at present. most of the corrugated wall plate adopts the roller...
Gearbox lubrication is very important, good lubrication can play a sufficient protective effect on gears and bearings. For this reason, we must attach great importance to the lubrication of the gear box, in strict accordance with the specifications to maintain the lubrication system in the best condition for a long time. Gearboxes often use splash lubrication or forced lubrication, generally with forced lubrication is common. Therefore, it is particularly important to have a reliable...
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