Hydraulic coupling
Trailer concrete pump A. Hydraulic system: Both the main pumping circuit and fªsfª valve circuit are open-circuit, each is driven by a pump, which makes the two circuits independent to each other. The simplified system, results in a long service life, high reliability and easier troubleshooting. Proximity switch used to control the direction of the main pumping makes changeover steady and reliable. Main components of the hydraulic system are supplied by famous brands in the world. The equipped special safety devices, such as relief value, pressure cut-off control, alarming system and auto-reversing etc, promise the system to be more reliable than ever Driven by the constant pressure pump with an accumulator, the swivel cylinder can get enough moment, and save power at the same time. All imported sealing kits feature high performance and long lifetime. With the electrical solenoid or hydraulic directional valve, the switching from high pressure to low pressure becomes easy and quick to operate. There is less hydraulic leakage than the other domestic products. B. Electrical system: Features advanced technology, effortless operation, high reliability Comes with a programmable logic controller (plc), which takes the place of many relays, time relays, which not only greatly reduces components but also simplifies wiring in the system, ensures a higher reliability. In combination with plc, a visual display can indicate the status of inputs and outputs, lead to an easier troubleshooting. 90% of the electrical components come from the world-class brands, which guarantee high reliability. During starting period, the wiring is changed from connection to triangular connection to avoid the potential damage of direct starting. When the power of the electromotor is larger than 110 kw, the soft starter, is a recommended option device, which can successfully check the current surge. Equipped with remote controller, of which zoomlion possess the intellectual property, make it convenient to operate concrete pump from a long distance. The proximity switches can help to realize automatic direction changeover when pumping C. Mechanical system: During the designing of key parts , such as fªsfª pipe distribution valvef=hopper, software i-deas is adopted to realize finite element analysis of load distribution, construction rigidity and stress concentration. Owing to its excellent rigidity and process technology, the optimized hopper and fªsfª valve system can effectively avoid the following phenomena like hopper distortion and breakage of fªsfª piping valve shaft during high pressure conveying. By a special design on sealing structure of agitator, hydraulic motors are completely separated from bearing seats, even under the situation of sealing failure, the slurry has no chance to get into motor. High-- torque motors ensure high mixing torque. Thanks to the auto-reversing device and anti-wearing blades, the blockade will never happen even under severe aggregate condition. The wearing parts, such as the anti-wearing plate and the cutting ring, have a long service life up to 20000m3 under favorable condition. The distance between the anti-wearing plate and the cutting ring can be automatically adjusted. D. Power system: Supplied by famous domestic manufacturers, the electromotor can guarantee excellent performance and high reliability. E. Lubrication system: The patented central automatic lubrication system comes with a piston grease-pump, features high pressure and reliability, which can realize automatic lubrication of piston. The filters at the outlet and the inlet of oil ports as double protections guarantee the system reliability.. F. Cooling system: Compulsory air-cooled heat exchanger keeps the temperature of the hydraulic oil below 60f¦·+that ensures the whole hydraulic system works at normal status. G. Cleaning device: Equipped water pump makes the cleaning and maintaining an easy job. Zoom lion concrete pump pumped 50, 000 cubic meters of concrete in the construction of hualupo bridge in neikun railway, no.8 bridge in the world.
Hydraulic vane pump All series of vane pumps are available, including v series, vq series, vp/vpf series 12-54kgs
Komatsu gear pumps A replacement for OEM.
Air bottle jack(special) Air bottle jack (special) Key specifications/special features: Model: zab0412, zab0420 (1) welded base and cylinders to assure strength and eliminated leaks. (2) chromed pump piston and ram for added rust resistance. (3) extension screw gives added height when necessary. (4) meets ansi/asme pald standards & ce/gs.
Long ram jack Long ram jack Key specifications/special features: (1)reasonable structure , easy operation, safe and reliable use. (2)longer ram jack improves the lifting range and its travel. (3)with limit mechanic and safety overload valve, operation is much safer. Note: there are two style for selection, one is single pump, The other one is double pump which are fast operation. Model Capacity Min.H. Max.H. Lifting h. N.W. Q'ty/20'fcl(ton) (mm) (mm) (mm) (kg) (pcs) Zlr0309 3 620 1115 495 9.5 2000Zlr0509 5 625 1120 495 11.5 1450Zlr0809 8 630 1125 495 12.5 1350
KRD11 series pneumatic vertical shock/bump test system is featured with advanced design, high degree of automation and reliability, simple operation and convenient maintenance. The system meets the requirements of both shock and collision test, can perform conventional half-sine wave, post-peak sawtooth wave, square wave and other waveform shock tests. 1. Pneumatic drive, simple structure and high reliability 2. Pollution free, without hydraulic leak risk and keep the environment clean. 3. Pneumatic drive greatly improves the shock test efficiency, maximum shock rate up to 120 times / min. 4. It can easily realize large pulse width and small overload test. 5. With a fast shock rate comparing to motor or hydraulic driven collision table, it has higher reliability and better collision waveform. 6. The speed and rate of shock can be easily controlled by adjusting the gas pressure. 7. IPS-2000 series shock control and measurement system can perform manual shock, continuous shock, single shock, and interval shock. 8. Built-in brake mechanism ensures the safety of operation in any situation. Technical Specifications KRD11 5 KRD11 15 KRD11 25 KRD11 50 KRD11 100 KRD11 200 KRD11 400 KRD11 600 KRD11 800 KRD11 1000 KRD11 2000 Rated Load (kg) 5 15 25 50 100 200 400 600 800 1000 2000 Table Size (mm) 150 150 200 200 300 300 500 500 600 600 800 600 800 800 1000 800 1000 1000 1200 1200 1500 1200 Peak Acc. (g) Half-Sine 5-2500 5-2000 5-1500 10-750 10-600 10-450 10-400 10-300 10 300 10 250 10 150 Post-Peak Sawtooth 10-200 10-100 10-50 Trapezoid / 15-200 15-100 15-60 15-50 Pulse Duration (ms) Half-Sine 0.4 40 0.5 40 0.6 60 1.5 60 2 60 2.5 60 3 60 3.5 60 4 60 4.5 60 6 60 Post-Peak Sawtooth 3 18 6 18 Trapezoid / 3 18 6 18 Bump Waveform (Optional) Half-sine Waveform Bump Peak Acceleration g 5~150 5~120 5~100 5~80 5~60 5~40 / Bump Pulse Duration (ms) 2~30 3~30 4 ~ 30 5 ~ 30 / Bump Rate (Times/Min) 10~120 10~100 10~80 10~60 10~40 10~30 / Overall Dimension (mm) 1000�?1000�?2100 1000�?1000�?2160 1510�?1300�?2400 1690�?1240�?2350 1710�?1160�?2350 1910�?1500�?2700 1910�?1500�?2500 1900�?1500�?2450 2000�?1500�?2450 1900 1800 2550 2200 1800 2550 Weight (kg) 1300 2300 3000 3070 3900 4500 5000 5200 5600 6200 7300 Working Environment Temperature range 0 ~ 40â??, Humidity 80% (non-condensing) Power 1-phase AC220V�±10% 50Hz Air source 0.8MPa Installation Condition Foundation-free, the cement floor shall be leveled and the working distance of 800~1000mm shall be reserved around the equipment Standards MIL-STD-810F IEC68-2-27 MIL-STD-202 MIL-STD-750 MIL-STD-883 UN38.3 IEC62281 IEC62133-2 UL2054 IEEE1625 SAEJ2929 IEC62660-2 ISO12405-3 UL2580
KRD10 series full-automatic hydraulic shock test system is used to measure and determine the impact resistance of products or packaging, and to evaluate the reliability and structural integrity of products in a shock environment. The system can perform conventional half-sine wave, post-peak sawtooth wave, square wave and other waveform shock tests to achieve the shock wave and impact energy that the product is subjected to in the actual environment, thereby improving the product or packaging structure. 1. Windows-based stable control system, full-automatic remote-control interface 2. Multi-track guide posts combined with good lubricity and noise free hydraulic balance lifting system to achieve stable shifting 3. Automatic control of lifting height with high accuracy and good repeatability 4. Adopts the high strength and hardness cast aluminum table, which has high first-order resonance frequency, featured with low noise and no clutter 5. Built-in brake mechanism to avoid secondary rebound collisions and more secure positioning of the table 6. Multiple waveforms: it can perform conventional half-sine waves, post-peak sawtooth waves, or square waves 7. The self-buffer & vibration isolation base does not require a special foundation, and easy to install 8. One-stop test: built-in test standards meet various requirements to help users to complete test in one stop Technical Specifications Model KRD10ï¼?2 (Manual) KRD10ï¼?5 KRD10ï¼?25 KRD10ï¼?50 KRD10ï¼?100 KRD10ï¼?200 KRD10ï¼?400 KRD10ï¼?500 KRD10ï¼?600 KRD10ï¼?1000 KRD10ï¼?1500 KRD10ï¼?3000 Rated Load (kg) 2 5 25 50 100 200 400 500 600 1000 1500 3000 Table Size (mm) 115�?115 200�?200 300�?300 500�?500 600�?600 800�?600 800�?800 1000�?800 1000�?1000 1200�?1000 1500�?1200 2000�?1500 Peak Acc. (g) Half-sine 5~3k 5~2k 5~1.5k 10~750 10~600 10~450 10~400 10~300 10~300 10~250 10~150 15~100 Post-peak Sawtooth 10~200 10~100 10~50 Trapezoid / 15~200 15~100 15~60 15~50 30~50 Pulse Duration (ms) Half-sine 0.3~40 0.5~40 0.6~60 1.5~60 2~60 2.5~60 3~60 3.5~60 4~60 4.5~60 6~60 11~40 Post-peak Sawtooth 3~18 6~18 Trapezoid / 3~18 6~18 Overall Dimensions (mm) 450�?180�?2100 1000�?900�?2350 1400�?1200�?2300 1600�?1400�?2300 1700�?1500�?2300 1700�?1500�?2300 1900�?1500�?2550 1900�?1500�?2550 1900�?1800�?2550 1900�?1800�?2650 2200�?2100�?2650 2700�?2500�?3000 Weight (kg) 200 1000 1800 3000 4000 4200 4800 5000 7000 8000 10000 15000 Working Environment Temperature range 0 ~ 40â??, Humidityâ?¤80% (non-condensing) Power Control measurement: 1-phase AC220V�±10% 50Hz Oil source: 3-phase 380V�±10% 50Hz Installation Condition Foundation-free, the cement floor shall be leveled and the working distance of 800 ~ 1000mm shall be reserved around the equipment Standards MIL-STD-810F IEC68-2-27 UN38.3 IEC62281 IEC62133-2 UL2054 IEEE1625 SAEJ2929 IEC62660-2 ISO12405-3 UL2580
Hydraulic Plane shoe bag leather Cutting Machine 30T-50T 1ã??The doubie oil cylinder and precise four-column automatic balancing mechanism can make the cutting depth withimn the cutting area even. 2ã??With stable pressure,there will be no occurrence of cutting failure or edge burr. 3ã??It can accurately align with the cutting board to prevent the plastic cutting board from sticking onto finished products. 4ã??The tow-section trpe cutting can solve the radian problem met during the cutting of pearl cotton,spong and other materials of multiple layers.
AAK's 3 tips to ensure that the Proportional Valve is free of jamming, winning the affirmation of customers in Turkey Ewalz is from Turkey, and mainly purchases standard parts of hydraulic cartridge valves from Ningbo China. Recently, they developed a hydraulic manifold that requires the use of SUN proportional valves. He purchased it from a proportional valve manufacturer in Ningbo, and after 2 weeks of operation, the equipment experienced significant vibration. The on-site engineer found that the proportional valve was severely stuck. The original hydraulic valve manufacturer stated that this proportional valve is a replica of SUN, with fully calibrated parameters, but there are differences in performance. Ewalz was speechless and had to look for a new hydraulic valve manufacturer for this proportional valve. Ewalz browsed the AAK hydraulic valve website, stayed for nearly 15 minutes and left a message: 1. Does AAK have an existing program for benchmarking SUN proportional valves? 2. Can AAK completely solve the problem of valve spool jamming, vibration and noise? After communication, it was learned that the hydraulic manifold they developed was very tight on time, they had no time to customize it and could only choose the existing SUN proportional valve. The proportional valve produced by the original valve manufacturer has the same function as SUN, but has poor performance. This SUN proportional valve is widely used, and AAK have a record of 6 shipments last year. There has never been any jamming of the valve spool, and we have inventory, which fully meets his requirements. 2 weeks after AAK sent the SUN proportional valve samples, Ewalz informed us via email that the hydraulic manifold debugging was successful. 2 months later, Ewalz informed us that their engineers were satisfied with the AAK proportional valve. The root cause of unsatisfactory performance of the original valve manufacturer's SUN proportional valve lies in its accuracy. The vast majority of proportional valve manufacturers have a cylindricity machining accuracy greater than 5um, which is 70% lower than the SUN standard cylindricity. For the accuracy of proportional valves that is completely in line with the SUN standard parts, there are probably less than 3 hydraulic valve manufacturers in Ningbo China. AAK controls the accuracy of the proportional valve from 3 aspects: 1. AAK proportional valve spool control: The valve spool is produced using a German CNC lathe with one blade and then high-precision cylindrical grinding. The machining error is controlled within �± 1um, and the coaxiality and cylindricity are controlled within 3um. 2. AAK proportional valve hole control: Adopting Swiss honing processing, the accuracy can reach IT6-IT7 level, and the surface roughness can reach Ra0.2-0.025um.
As one of the leading hydraulic brake system training equipment manufacturers and suppliers in China, we warmly welcome you to buy hydraulic brake system training equipment made in China here from our factory. All engineering education equipment are with high quality and...
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Increase the equipment efficiency by 11% and reduce the energy consumption by 30%. AAK exclusive hydraulic manifold has no rival At the beginning of March this year, Bartolomeo said in an email that he would like to make an appointment to consult AAK about hydraulic manifold problems. Bartolomeo, from Italy, is the purchasing manager of Italpresse Industrie Shanghai Branch. According to the communication, their company developed a hydraulic die-casting machine at the end of last year. The sales volume is just so. The general feedback is that the equipment has high energy consumption and low production efficiency. Their engineers pondered for more than 2 months, but couldn't find the reason, and the boss also had a big headache. Bartolomeo felt that the hydraulic manifold design dragged down the equipment and consulted the original hydraulic manifold manufacturer. However, the manufacturer could not put forward constructive opinions on the hydraulic manifold design. Bartolomeo thought of AAK, because AAK had proposed to modify the oil circuit when receiving the inquiry about the hydraulic manifold. According to the design drawings and system schematic diagram of hydraulic manifold provided by Bartolomeo, AAK engineers closed the door and discussed for 3 days, basically found out the direction, and it is 90% determined that there was a deviation in the oil circuit design of the original hydraulic manifold on the hydraulic die casting machine. There is an energy conflict between the original hydraulic manifold oil circuit aperture and the hydraulic valve used, resulting in the slow response of the hydraulic system and the need for additional energy to maintain the operation of the system, resulting in high energy consumption and low production efficiency. AAK can redesign the hydraulic manifold oil circuit and send hydraulic manifold samples within 30 days. Bartolomeo was very happy that AAK found the cause of hydraulic manifold problem at once. The situation was fed back to the boss, who immediately paid for AAK to redesign and test samples. A month later, AAK sent out the whole newly designed hydraulic manifold. Two weeks later, Bartolomeo emailed to order 20 hydraulic manifolds first to replace those ones on the equipment complained by customers. I was surprised that there was no comment on AAK hydraulic manifold samples but received the urgent order first. Bartolomeo advised that according to the comparison of their engineerâ??s on-site test run, the die casting machine with AAK hydraulic manifold has a sensitive response, the working efficiency is 11% higher than before, whatâ??s more, the energy consumption is reduced by 30%. Their boss asked to order some hydraulic manifolds for emergency use first, and then replace all hydraulic manifolds on the original equipment with AAK shipments.
Only AAK was able to produce the hydraulic manifold blocks, and its technology is not inferior to American and Japanese counterparts Scott comes from an equipment company in the United States. In the second half of last year, they developed a hydraulic equipment to be introduced at the exhibition. The chief engineer of the company requires the purchasing department to get all hydraulic manifold blocks arrive at the factory within 3 months. There is a hydraulic manifold block. Due to the slow production, the production time of 45 days is not enough. Scott disassembled the hydraulic manifold blocks, purchased the hydraulic valve blocks from one factory and the hydraulic cartridge valves from another factory. All hydraulic manifold blocks and those parts produced separately arrived at the factory in the United States in 3 months. The technicians in the workshop installed them. After a few days of commissioning, they found that there were oil leakage on one hydraulic manifold block, that is the one disassembled and produced in two different factories. The chief engineer requires getting a new hydraulic manifold block within 1 month, otherwise it will be too late to catch the exhibition. Scott contacted the original manufacturer. As a result, the two hydraulic valve manufacturers prevaricated each other. Their engineers also tested the hydraulic cartridge valves and hydraulic valve blocks separately, and there was no abnormality. Scott tried to contact new manufacturers of hydraulic manifold blocks, but they all said that they couldn't get samples ready within 30 days. Scott was worried. Scott saw on AAK website that a hydraulic manifold block was very close to the size he wanted to purchase, so he sent an inquiry. After two rounds of communication, we learned about the problems he encountered in purchasing hydraulic manifold blocks. I told him that if the hydraulic cartridge valves and the hydraulic valve blocks were approved to be no problem, the workshop technician might break the seal ring or shift the seal ring during the installation of the hydraulic manifold blocks. This kind of hydraulic manifold blocks purchased from different manufacturers and then assembled is easy to have problem. A customer of AAK encountered similar problems before. After Scott asked their mechanic to replace the sealing ring, there was no abnormality in the test run, and they could catch up with the exhibition. Scott is glad that the problem of hydraulic manifold block has been solved, and said that for all hydraulic equipment orders after the exhibition, the hydraulic manifold blocks will be purchased from AAK, and also asked us to send hydraulic manifold blocks with similar dimensions to the United States to test stability and service life.
yantai chengtai construction machinery co.,ltd hydraulic plate compactor for any brand excavator
ERICSSON PDU0201 Power Distribution Unit
Factory produced HYDRAULIC HOSE, R1 R2 hydraulic hose/rubber hydraulic hose Brand Name: Hyrubbers Model Number: R1, R2, R3, R4, R5, R6, R12,4SP Surface: Smooth / Wrapped Surface Hose The hose consists of an inner tube of oil-resistant synthetic rubber, one wire braids reinforcement, and an oil- and weather-resistant synthetic rubber cover. Applications: Mining, metallurgy, petroleum, construction machinery and chemical industry Specifications: CONSTRUCTION: The hose consists of an inner tube of oil-resistant synthetic rubber, one wire braids reinforcement, and an oil- and weather-resistant synthetic rubber cover. Temperature range : -40 227;C to +100 227;C Standard: DIN EN853 ; SAE100 R1 Model Number: R1, R2, R3, R4, R5, R6, R12,4SP
