September 16, 2023
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Sikes SA7V90R variable piston pump is Ningbo Guang Tian Sikes production of the star product. Figure: SA7V90R variable displacement piston pump SA7V90R is a swash plate type axial piston pump with constant power control and load-sensitive control, compact structure, with a pilot gear pump for construction machinery, construction machinery and mining machinery Open hydraulic system, especially suitable for 8-10 tons of excavators. The detailed product parameters are as follows:
1. Main Functions and Applications Hydraulic shears, also known as multi-purpose cutters, hydraulic pliers, hydraulic breakers, etc., are professional building demolishing tools for buildings and the like, which can simultaneously demolish concrete, steel bars, steel beams, etc., and are flexible. Involve, relocate, and organize rebar and other building debris. 2, product characteristics New equipment for building demolition Wide range of work Strong shear force Special structural steel...
Excavator filter manufacturers share: 1. Inspection methods and results When the bucket cylinder moves slowly or does not move, check the appearance of the bucket cylinder. If there is no abnormality, check the oil return filter. With the frequent operation of the bucket cylinder piston, particles generated due to wear and the like will flow with the working medium and be intercepted by the return filter element in the return line. If a large black rubber block is found in the oil return...
Many excavator users have encountered the problem of discoloration of the cylinder. They think it is a problem with the quality of the cylinder. They are often in a hurry. Actually, the discoloration of the excavator cylinder is a very common phenomenon. The identification techniques are as follows: Under normal circumstances, the cylinder will first Turns blue, then darkens, turns purple, and finally becomes black. First, the discoloration of the excavator cylinder is not a discoloration of...
Recently, Xugong's first XE40 remote-controlled hydraulic excavator was successfully completed by Xugong excavator company, indicating that Xugong excavator has entered a new phase of electronic control. Under certain special conditions, the use of remote control to remotely control the excavation and mining of excavators can greatly improve the operator's safety factor and improve work efficiency. The XE40 remote-controlled hydraulic excavator has an effective remote control range of...
Excavator hydraulic pump after severe wear and tear treatment After the excavator hydraulic pump is seriously worn, we use the following three points to find the cause of the fault and improve the system: (1) Check the inside leakage of the boom cylinder. The easiest way is to raise the boom to see if there is a clear and free fall. If the drop is obvious, check the cylinder for disassembly and replace the seal if worn. (2) Check the valve. First, clean the safety valve and check if the spool...
Open the fuel tank cap, remove the fuel filter check, the bottom of the tank and the corners of the residual oil contains metal powder or other impurities. Thoroughly wash the tank and wash it with diesel twice. Then dry the inside of the tank with compressed air. Check whether there are residual sludge impurities in the internal corner until it is cleaned, and then rinse it with new oil. Remove the oil pipes in the return line, such as the main control valve to the full-flow filter return...
5 = Angsana UPC7 Engineering Technology and Major Projects Demonstrate the Water-cooled Screw Chiller Performance Conversion Equation and Application Cai Wenqing is based on the heat balance of the chiller compressor evaporator condenser, cooling water tower and pump joint working point. Through the theoretical derivation and verification of a large number of test data, the cooling capacity of condensation heat, which reflects the characteristics of the unit, was established, and the equations...
Below, the situation of the working face of the eccentric sleeve should be under the action of the broken object, and the working surface of the eccentric circle through the movable cone shaft is on the round surface above and below the thick edge. Due to structural reasons, the eccentric sleeve is designed to be inverted. Therefore, during normal operation, the weight of the entire eccentric sleeve is supported by the bottom surface of the large gear, and the bottom surface of the large gear...
2 work to achieve the confluence of the two pumps before and after. Fault Analysis Since the bucket boom has no power and the symptoms are involved in large areas, it is first considered that the fault is caused by the common part. Assuming that the straight solenoid valve malfunctions when it is not traveling, the straight running valve operates, ie, the two pumps merge. As can be seen from the two, the valves that can cut off the unloading circuit or the actions that can be normally performed...
Xinhuanet Guangxi Channel, July 9th (Yao Jian) Recently, the Ministry of Science and Technology issued the 2010 National Spark Program in accordance with the relevant provisions of the Interim Measures for the Administration of National Science and Technology Plan and the Interim Measures for the Management of National Science and Technology Plan Projects. Yuchai Heavy Industry "YC135 Hydraulic Excavator" was listed as a national key new product plan project. YC135 hydraulic...
Recently, the China Machinery Industry Science and Technology Awards Office announced the 2009 China Machinery Industry Science and Technology Awards, and it was simultaneously announced on the China Machine Industry Federation Network and the China Mechanical Engineering Society online. The YC60 series was declared by Guangxi Yuchai Heavy Industry Co., Ltd. The hydraulic excavator won the third prize. Yuchai's YC60 series hydraulic excavators are one of the leading products of Yuchai Heavy...
The Guangxi Zhuang Autonomous Region Economic Commission Guijing Technology [2008] Document No. 439 released the third batch of technological innovation project plans for Guangxi in 2008. Yuchai Engineering Company's “YC50/70/255LC” three hydraulic excavator projects were included in the autonomous region’s machinery. Industry new product project. "YC50/70/255LC" three hydraulic excavator projects are independently researched and developed by Yuchai Construction Machinery Co.,...
Introduction: The three major determinants of hydraulic oil selection - variety, grade, and viscosity grade. According to statistics, most hydraulic system operation failures are caused by improper use and use of hydraulic oil. Selecting the correct hydraulic oil is a prerequisite for ensuring the normal operation of the hydraulic system. So how do users choose hydraulic oil for the excavator? The three major determinants of hydraulic oil selection - variety, grade, and viscosity grade. General...
Revo FR139-7 crawler hydraulic excavator is Foton Lovol Heavy Industries introduced the world's advanced technology, fully drawing on the advantages of similar models at home and abroad, using domestic and foreign product technology and management resources, using three-dimensional technology to optimize the design, and have their own knowledge Property rights, development and production of a new generation of excavator leading products. Excellent performance: 1. Powerful, supercharged air...
◎ Dongfanghong LR4105ZG56 turbocharged diesel engine produced by the advanced technology of Ricardo Company in the UK has low fuel consumption, low noise, and emissions of Euro I standard. ◎ Load-sensing open hydraulic system with full power regulation variable, mature technology, excellent working performance and high reliability. The variable displacement pump, integral multiplex valve and rotary motor are products of Toshiba Corporation of Japan, and the traveling motor is manufactured by...
The persistently popular Chinese excavator market may usher in a cold water. Unlike previous "man-made disasters," this encounter was a natural disaster. The excavator industry in China has tightened its nerves since the rare earthquake that hit Japan in the vicinity of last month. Fortunately, the major Japanese companies that provided matching parts for Chinese excavator manufacturers have not been hit hard, but for the Chinese excavator industry, where hydraulic components and...
The 755W-0.1775W-0.3 (0.4) type hydraulic excavator is a hydraulic excavating device disposed on an iron cattle 55 (60) wheel tractor and a Dongfanghong-75 (802) crawler tractor. This machine is mainly used for earthwork construction of farmland water conservancy, municipal construction, road construction, civil tile industry and other departments. The use of this machine is characterized by low investment, effective, fast, versatile, flexible, and efficient use of the tractor. It is welcomed...
The persistently popular Chinese excavator market may usher in a cold water. Unlike previous "man-made disasters," this encounter was a natural disaster. The excavator industry in China has tightened its nerves since the rare earthquake that hit Japan in the vicinity of last month. Fortunately, the major Japanese companies that provided matching parts for Chinese excavator manufacturers have not been hit hard, but for the Chinese excavator industry, where hydraulic components and...
“Thousands of hammers are cut out of the mountains, and if the flames are burned, they will not be idle.” After unremitting efforts by the employees of Xugong Hydraulic Parts Co., Ltd., the company successfully tested the 6T excavator cylinders and received unanimous praise from the host customers. Recently, the excavator cylinders of this model were tested and the buffer performance tests were conducted on the following day. This is another major breakthrough in the company's product area...
Super-equipment allows humans to gain the ability to surpass themselves. The level of equipment manufacturing is a key indicator to measure the industrial development of a country. China's largest tonnage hydraulic excavator - XCMG 700 tons of hydraulic excavator glory off the assembly line, marking China has become the world's second to Germany, Japan, the United States, the fourth with more than 700 tons hydraulic excavator R & D and manufacturing capacity of the country. On April...
Recently, the XCMG XE150WB wheel hydraulic excavator independently developed by Xugong Mining Machinery Division was officially rolled out. XCMG new bridge box integrated wheel hydraulic excavator XE150WB offline The most significant feature of this new product is the use of the bridge box integrated transmission method. The transmission is directly installed on the rear axle, which can not only protect the transmission, but also enhance the good passability of the whole machine on rugged...
In 2017, the Xiamen City Science and Technology Award winners were formally announced. XG822FL North American hydraulic excavator won the second prize for its forward-looking design concept and advanced technology! Xiagong Europe and the United States hydraulic excavator won the Xiamen City Science and Technology Innovation Award North American market emissions regulations and safety regulations require high market access thresholds. XGMA not only has high standards and strict requirements to...
At the beginning of 2018, a new generation of Cat® hydraulic excavators officially landed on the Chinese market and began a full-scale sale, opening a new chapter in the construction of Chinese construction machinery into intelligent construction. New Generation Cat® Hydraulic Excavator Fully Lands in China Market Based on the continuous improvement of customer's demand for production efficiency and cost control, the new generation of Cat® excavator incorporates a number of technological...
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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.