Tools & Hardware

Adam, an old American hydraulic customer, sent AAK 3 emails consecutively on the same day last month, for the leakage of a hydraulic cartridge flow control valve. According to the picture he sent, the hydraulic cartridge flow control valve has a cut-off plate that is supported by a spring. Some customer complained that the hydraulic cartridge flow valve leaked without working. The original manufacturer of the hydraulic cartridge flow control valve cannot solve the problem in 3 months. Because the sales volume of this hydraulic cartridge flow control valve is very good, Adam wants it 100% no complaints. Through the pictures, it is difficult to trace the cause. I suggested Adam send us 3 samples of the original hydraulic cartridge flow control valves. After we received and checked the samples, we found that the leakage was more serious if we pressurized, but the tightness of the cut-off plate was no problem. We adjusted the spring, and the first pressurization did not leak, but after 3 times, the leakage occurred. It was basically judged that the spring has hidden danger. After the spring tension test, it was found that the spring is abnormal. 2 days later, we informed Adam of the hidden danger of the spring, and at the same time, we replaced the internal springs of the 3 hydraulic cartridge flow control valves with AAK springs, and returned the samples to him. 2 weeks later, Adam sent a PO for this hydraulic cartridge flow control valve, with a value of more than 30,000 dollars, and told us that the 3 returned samples were tested for 5 pressurizations, and no leakage was found, and the operating efficiency of the hydraulic system was also improved by nearly 10%. Adam privately ridiculed himself. He has been engaged in the hydraulic valve market for so many years, but still has to ask for help from AAK when there is a problem that he cannot solve. The main reason why AAK can effectively solve the leakage problem caused by springs, is to ensure the following 3 points: 1. We have our own spring source that has cooperated with us for 10 years, to avoid the phenomenon of unequal material between the sample and the production spring, and ensure the quality. 2. Equipped with spring tension and compression tester, reasonably select the spring with elastic coefficient within the standard range, to avoid leakage caused by elastic coefficient deformation. 3. A quality inspection department to ensure that the quality is qualified during assembly and prevent leakage. AAK hydraulic cartridge flow control valve, 3-step check on the spring, zero leakage, welcome to try! https://www.aakindustry.com/info-detai , l/cartridge-flow-control-valves-aak469

For a hydraulic valve manufacturer, if you produce hydraulic valve standard parts like your peers, without your differentiation or difference, you can only rely on a set of hard technical indicators of quality to make the market. I think this is the hard indicator of hydraulic valve manufacturing industry. The first thing for a hydraulic valve factory is quality positioning. I ask our engineers, workshop directors and technicians, even apprentices, to benchmark the global first-line hydraulic valve brands in terms of quality awareness, at least surpassing the quality of domestic first-line hydraulic valves. Otherwise, you are not suitable for hydraulic valve production in AAK. If you don't get the masterly skill really masterly, you are not qualified to enter the hydraulic valve market. With masterly skill, you have the confidence to produce orders for hydraulic valves from the world's top 500 enterprises. “Zhiliang”, also known as “Pinzhi”, is both quality in English. I don't understand why some hydraulic valve manufacturers have no differentiation, and the quality and technical indicators are strong neither. What does it depend on to win the world? Unless you cheat. Each industry has its own quality standards. At the same time, each product has its own enterprise quality standards, and the peers are different. This is the quality positioning. The positioning of AAK hydraulic valves is to benchmark the global first-line hydraulic valve brands. In recent years, AAK has never wanted to recruit new engineers, because it is very difficult to change an engineer's cognition, which takes 18 months, and it will take another 18 months for him to do it, totally 3 years, but maybe he left in the second year, and he had to say something he thought he was right. The manufacturing of hydraulic valves is exquisite. This characteristic is in the upstream of the manufacturing industry - materials, key parts, manufacturing equipment, etc. need long-term investment, continuous tracking and the awareness of excellence, which is also the embodiment of the "craftsman spirit". No matter how iterative the technical cycle of the hydraulic valve is, your skills must not age, the craftsman spirit must not be lost, and the masterly skill must be really masterly. The road of quality is just like practice Buddhism or Taoism. The practice of good people has to go through thousands of risks and obstacles, same as the difficulty of eighty adventurous experiences before Tang Sanzang finally got the real Buddhi , st scripture. In the first few years of AAK hydraulic valves, we had to take a detour. There are a lot of south walls to hit, pits to fall and tuition fees to pay. Maybe this is the growth of AAK. Growth is as painful as death, and the essence is also the same as death. It means the disappearance of old quality standards and the birth of new quality standards. Accept it, face it. Then, we can constantly upgrade and grow into what we expect. AAK hydraulic valves, quality is the highest principle. https://www.aakindustry.com/info-detail/hy , draulic-valves-aak213

A few days ago, Jackson, who is engaged in hydraulic manifolds procurement from Honeywell, one of the world's top 500 companies, asked me a question. Can you sum up the differences between AAK hydraulic manifolds and other China hydraulic manifold manufacturers in one sentence? Without thinking, I told him about 3 points: learn from the advanced, be close to the “rich”, and follow the right path ". The 13 years of AAK hydraulic manifolds relies on adhering to these 3 points. To learn from the advanced, first of all, we should be good at learning from excellent peers, especially from the leading international brands. I warn my engineers that we do not pursue the most advanced technology, but we must be close to advanced enterprises, and take stability and reliability as our lifeline. Various types of hydraulic cartridge valves are the core components of hydraulic manifolds. SUN, HydraForce and HAWE etc, these No. 1 brands in the mass market or the niche market, are the target of AAK's learning and benchmarking. We often dissect their new models, learn design, refine elements, analyze process, optimize technology, and gradually form a complete AAK hydraulic manifold system from the original design, processing drawings, material selection, material heat treatment, process sheet, processing technology, assembly, and testing. Be close to the “rich”, cooperate with the strong, and cooperate with the world's top 500. They are interested in the manufacturing quality, function reliability and performance stability of your hydraulic manifolds. They talk to you about quality and service in a comfortable way, then you have more motivation and responsibility. It also contributed to AAK's willingness to invest in R&D, equipment iteration and talent introduction, and gradually became a strong player. Follow the right path. If there is a shortcut in manufacturing, taking the right path is the only shortcut. This is not only a long-term principle, but also a way to avoid detours, which is also the core of continuous operation of manufacturing enterprises. To do something and not to do something is to be a hero. If you tell a lie, you need to tell at least 10 more lies to cover the original lie, which is too tired and annoying. Drug dealers and arms dealers must earn a lot of money, but we can't do it. What good is it to do something that has no positive significance to society? There are universal axioms and universally recognized moral bottom lines in this world. No matter what industry and product an enterprise is in, it should follow these axioms and bottom lines. Google's business philosophy of "Do not be evil" is very reasonable. Many enterprises believe that "strength is the truth". They believe that with the support of capital, market input regardless of cost, and consumers fooling, they can achieve huge sales and profits. They believe that with market share, users will cater to them. In fact, this is to begin at the wrong end. Only your manufacturing quality continues to benchmark the authoritative brands, and the reliability of the function and the stability of the performance, adhere to the right path, not be impatient, is the source power. It is hard to engage in manufacturing industry, especially the hydraulic unit, the hydraulic manifold with technology, which is slower, more stupid and more solid than others. It is the smart people who make toil efforts. There is no shortcut to this road. There is no safe haven. Without “1”, the manufacturing quality takes the lead in the front, any more 0 after will eventually return to zero. Just like life, whether you can stand on the waves, and whether you can hold on the bottom of the waves. The manufacturing quality of hydraulic manifolds relies in slower, more stupid and more solid work of intelligent people. There is no shortcut to this road. There is no safe haven. Without “1”, the manufacturing quality takes the lead in the front, any more 0 after will eventually return to zero. Just like life, whether you can stand on the waves, and whether you can hold on the bottom of the waves. AAK hydraulic manifolds, learning from the advanced, close to the “rich”, and taking the right path, we will move forward together. https://www.aakindustry.com/info- , detail/hydraulic-manifolds-aak401

Eugenia comes from Greece, and has been smooth on purchasing for 5 years. Unexpectedly, due to a hydraulic manifold, she was in a trouble. At the beginning of this year, their company developed a hydraulic station for elevator lifting systems for the first time, which requires hydraulic manifold. Eugenia chose a manufacturer that has been cooperating for over 3 years to make samples, and the sample testing went through smoothly. The first batch of 50 hydraulic stations, after 2 months of operation, occasionally experienced abnormal elevator operation. The after-sales engineer found that there was a leak in the hydraulic manifold within the system, and some pressure control cartridge valves have hysteresis in opening and closing. Per the manufacturer of the hydraulic manifold, it is normal for individual abnormalities and it can be replaced for free. However, the customer is not satisfied and requested to ensure that each hydraulic manifold is 100% normal within 12 months. Eugenia became anxious. Eugenia found AAK on Google and left a message on AAK website: Can AAK ensure no abnormalities within 12 months for the hydraulic manifold on the elevator lifting system hydraulic station? After communication, it was learned that the manufacturer he placed the order with is not specialized on the production of the hydraulic manifolds for elevator lifting systems. Eugenia is surprised to ask, “Does this require a dedicated factory to produce?” I told her that although the production process of hydraulic manifolds is the same, the testing process is completely different. I sent him a video of AAK's dedicated hydraulic manifold testing for elevator lifting system hydraulic stations, and also included the case of AAK's previous solution for Russian customers on elevator lifting system hydraulic stations. The next day, Eugenia sent us the complete hydraulic manifold drawings and the working principle diagram of the entire hydraulic station. It took less than 1 week for AAK to provide modification suggestions, quotations and receive the PO for the hydraulic manifolds. For the hydraulic manifolds used on the hydraulic station of the elevator lifting system, AAK not only considers the function and stability of hydraulic manifolds in material selection and manufacturing accuracy, but also the most important is the testing. AAK has a self-developed elevator hydraulic station testing system that directly simulates elevator on-site work. Before shipment, each hydraulic manifold undergoes functional testing. Firstly, the system pressure will be set to 31.5Mpa. When the elevator up button is pressed, the elevator will automatically and smoothly run up to the designated position and stop. When the elevator down button is pressed, the elevator will automatically and smoothly descend to a fixed position. The trick inside this is that the hydraulic manifold has stepless speed regulation, small reversing impact, and the service life of the hydraulic system is protected. AAK hydraulic manifold used in elevators, with proprietary testing equipment, and is safe in 12 months, you can also give it a try! AAK HYDRAULIC VALVES (640) 2023-08-01 https://www.aakindustry.com/info , -detail/hydraulic-manifolds-aak640

What should hydraulic cartridge valve manufacturers do to convince potential customers? AAK, a hydraulic cartridge valve manufacturer in China, has 13 years of foreign trade experience and summarized 3 sentences: there is warmth in communication, strength in work, and accuracy in feedback. I have seen some sales person of hydraulic cartridge valve manufacturers, when communicating with customers, they answer questions one by one, just like a robot from beginning to end. The customers can't feel any fun or warmth from them. Customers don't like to hear what they said either. As a hydraulic cartridge valve manufacturer, you have become a second choice. Communication with temperature between hydraulic cartridge valve manufacturers and customers is nothing but two. The first is sincerity. Sincerity means that hydraulic cartridge valve manufacturers are sincere and consistent, not just hypocritical and polite, but need to have empathy and not view others' choices from their own perspective. The second one is tolerance. Customers are also human and can make mistakes. Hydraulic cartridge valve manufacturers need to have a tolerant heart, and the premise of tolerance is that you first learn to think from the other person's perspective and think from their perspective. Find out why he asked that? What is his purpose in saying these words? Looking at problems from a different perspective, understanding and being tolerant, makes it easier to achieve communication goals. Communication should have warmth, and communication should start from the heart. The strength of hydraulic cartridge valve manufacturers often determines the success or failure of their work. Before starting work, the plan of the hydraulic cartridge valve manufacturer must be meticulous and comprehensive. What is your plan for the customer and the best path to achieve it. A good plan is often the beginning when customers believe in you, the beginning of success. But no matter how good the plan is, without action, everything is equal to zero. If the hydraulic cartridge valve manufacturer does not make every effort and does not execute it properly, then the result is discounted. We must have an attitude of never giving up until we reach our goals. No matter what hydraulic cartridge valve manufacturers provide to customers, the most important thing is to have results. If there is no result in doing something, it is equivalent to doing it in vain. Of course, customers will not believe you. However, all results have causality. What causes hydraulic cartridge valve manufacturers plant, what results they produce. Feedback is accurate. We must provide customers timely feedback on what they are concerned about. Feedback must be accurate, relevant, and constructive. These feedbacks can make customers feel the progress, professionalism, service of the hydraulic cartridge valve manufacturer, and give customers the sense of safety. Even if the hydraulic cartridge valve manufacturer makes a mistake, it is necessary to provide truthful feedback. To discover the real problem and provide the most effective feedback. A good feedback may lead to a completely new action plan. Hydraulic cartridge valve manufacturer AAK, adheres to 3 levels of service: warmth in communication, strength in work, and accuracy in feedback. AAK HYDRAULIC CARTRIDGE VALVES (758) 2024-01-14 https://www.aakindustry.com/info , -detail/hydraulic-cartridge-valve- manufacturer , s-aak758

AAK hydraulic cartridge valves are inseparable from interacting with different people in terms of production, promotion, marketing, and sales. Especially in the sales segment, a good sales of hydraulic cartridge valves not only takes more orders, but also makes customers feel comfortable. The person that everyone attaches the most importance to is themselves, so how to be themselves and store the value of the other party. The most important thing is to avoid using "me" too much and try to use "you" instead. Put the other person in the position of the subject and define yourself as the object. For example, AAK has provided customer with an optimization plan for "hydraulic cartridge valves", although we are very confident, if you say, "As you know, my plan is definitely effective." This would confuse each other's positions. You can replace this sentence with, "With your efforts, this optimization plan will definitely work.". This conversation is very comfortable. For example, AAK provides customers with a suggestion on the use of hydraulic cartridge valves. If you say, "Do as I say, it's definitely right." This is very hard. You can replace this sentence with: If you give it a try, you'll be pleasantly surprised. Customers will spontaneously adopt such suggestions. For example, the customer has a tight time frame to develop a new hydraulic cartridge valve, and there is little time left for AAK. AAK urgently needs the customer's drawings and detailed instructions. If you say, "I request that they be received tomorrow," you can replace this sentence with: If you can help me deliver it tomorrow, this matter will be successful. With this expression, the customer will be very proactive in following up. When communicating with others, never talk to yourself. Don't be self centered in what you say. Be sure to relate to the person who listens. If it has nothing to do with the obedient person, there is no need to say this, because people have no interest in what you say. Some people say, is it tiring to communicate like this? Your groundbreaking skills are only basic skills of others, so of course you are tired. In the business of hydraulic cartridge valves, everyone wants to make money. Behind the money is something, and if things are done in detail, money will naturally come. The person behind the matter is responsible for doing it well and making the other person comfortable, and the matter naturally becomes a reality. Behind a person's back is fate. With a good heart, doing good deeds and practicing along the way, there is naturally a good fate. Behind life is the Tao, with a heart that has the other side and a heart that takes the right path. That is the Tao. Whether it is a hydraulic cartridge valve manufacturer, or a businessman who purchases hydraulic cartridge valves, whether it's work or life, Life is about serving, making money is incidental and determined. If the purpose of life is to make money, bankruptcy is incidental and doomed. AAK hydraulic cartridge valve, focuses on manufacturing quality, function, performance, and serving others. One heart with the others in mind, and on the right track. AAK Hydraulic Cartridge Valves (548) 2023-03-31 https://www.aakindustry.com/info , -detail/cartridge-valves-aak548

At AAK monthly hydraulic valve summary meeting, my first requirement for hydraulic valve technicians and workshop directors in various posts is that the quality of hydraulic valves needs to be good, and must be good. At least, our hydraulic valves must be benchmarked with domestic first-line hydraulic brands. Benchmarking or surpassing the first-line brands of international hydraulic valves is our mission. Whoever messes up the job will lose his job. If a product with poor quality is "packaged" into a great product, the heart will be extremely distorted and uncomfortable, which will be condemned by God. Especially in manufacturing, this is life-threatening. I think the only customer-centered requirement for the production of hydraulic valves is quality. Within the scope of my manufacturing ability, to make the quality of hydraulic valves to the extreme that I can do is to really focus on customers, no any other rhetoric. I have another understanding of the quality of hydraulic valves, that is, not excessive, because excessive quality is also a waste. For example, if the market needs 90 points of hydraulic valve, you can achieve 95 points. If you have to do 99 points of hydraulic valves, this may be excessive. Now the internal involution of hydraulic valves is very strong. Most hydraulic valve manufacturers are thinking about how to reduce costs and prices, and finally compete with low prices. This is the routine of most small bosses. Everyone focuses on the crazy competition on the same track without thinking about how to make a high-end market with high quality in the positioning of high-quality hydraulic valves. I think this is the sadness of the hydraulic valve manufacturing industry. Because of the impact of the epidemic, most hydraulic valve manufacturers choose to tighten, even the cost of hydraulic valve technician training has been tightened, thinking that hundreds of thousands or millions will be saved. In fact, this is short-sighted. Once the epidemic is over, all markets will rebound explosively. AAK hydraulic valves adhere to the monthly quality meeting, technician training, quarterly R & D expenses and annual equipment upgrading expenses. I think this is wise and necessary. AAK hydraulic valve is to concentrate all elements and use the sharp knife of quality to be the first in subdividing the vertical field of hydraulic valves. It is not only the first, but also the only. This is my purpose of producing hydraulic valves. Hydraulic valve manufacturers must not focus on multitasking. Focus on only one may not quickly open the market quickly, not to mention focus on 2 or 3 tasks, which is a fatal mistake. AAK hydraulic valves, in terms of quality, should not only be the first, but also the only. You are welcome to have a small try. https://www.aakindustry.com/info-detai , l/hydraulic-valves-aak212

Petrov is an old purchaser of Hydrosila Group in Russia. He cooperates with AAK on some non-standard hydraulic pilot operated relief valves and often discusses some difficulties and complications of hydraulic pilot operated relief valves. In the second half of last year, they needed to purchase a hydraulic pilot operated relief valve to test an agricultural machinery equipment. Due to urgent time, Petrov purchased from a Russian hydraulic relief valve manufacturer, who delivered 30 hydraulic pilot operated relief valves in 30 days. During the test run, the hydraulic pilot operated relief valves screamed at about 1.5MPa before opening, as well as at the start and stop. Petrov contacted the manufacturer of the hydraulic relief valves, and the manufacturer replied that the non-standard customization was completely based on the drawings provided, and the dimensional accuracy also met the requirements. Their engineers independently tested the hydraulic relief valves and found that there was really no abnormality. The boss was dissatisfied with the one week of delay due to the test run and asked Petrov to repurchase the hydraulic pilot operated relief valves. Because the hydraulic relief valve problems encountered before were solved by AAK, Petrov emailed me again. AAK engineer preliminarily judged that there may be problems in the design of the hydraulic pilot operated relief valve according to his fault description, the drawings of the pilot operated relief valve, the working parameters of the hydraulic system of agricultural machinery, and the video of the test machine. Knowing that he still has one month of flexibility, AAK can modify the original design of the hydraulic pilot operated relief valve and send 12 samples within 30 days. Four weeks later, AAK sent 20 samples of hydraulic pilot operated relief valves, which were installed and debugged without screaming, and the hydraulic power unit was started or closed for many times still without screaming. Petrov was surprised that AAK engineer found and solved the problem of hydraulic relief valveS at one time, while the original Russian hydraulic relief valve manufacturer can do nothing? Because the scream of pilot operated relief valve is often generated by high- pressure oil through damping hole or valve port, AAK engineer added inclined hole of valve seat and vibration elimination cavity in the original design. In this way, the dynamic and static characteristics of the hydraulic pilot operated relief valve can be improved, the screaming can be eliminated, the noise can be reduced, and the pressure control accuracy can be improved at the same time. AAK strong engineering team not only has the concept of German HAWE, but also has the experience of Italian Oil Control，the problem can be found at one time. After the successful test run, Petrov privately told us that the boss was very satisfied that he found a strong manufacturer of hydraulic relief valves this time, which not only solved the problems that the original Russian manufacturer could not solve, but also made the price 30% cheaper. AAK will be his first choice for the test order of hydraulic relief valves in the future. AAK hydraulic relief valves, super technical team, you can also have a small try! https://www.aakindustry.com/info-d , etail/hydraulic-pilot-operated-relief-valves- a , ak211

Zero from Italy often purchases hydraulic valve blocks. In previous years, his customer gave 95 days for delivery date. Some time ago, the customer had an urgent order for 1,200pcs of hydraulic valve blocks, and there was only 60 days from the sample of hydraulic valve blocks to delivery. For non-standard hydraulic valve blocks, the lead time is less than 30 days from drawing design, sample, service life test, production and delivery. Zero consulted all hydraulic valve block manufacturers in cooperation. They all said that it would take 60 days to complete the urgent order of 1,200 hydraulic valve blocks only for production, and the lead time in 90 days is necessary. Zero can't refuse the customer directly, so he has to find a new manufacturer of hydraulic valve blocks. Zero also understands that it is not easy to find a reliable manufacturer of hydraulic valve blocks. Moreover, this is an urgent order, and the processing of hydraulic valve blocks is also complex. There was no reply from all the manufacturers he contacted on the Internet. Occasionally, he mentioned this urgent order of hydraulic valve blocks with his friend Caled. Caled introduced him to try AAK hydraulic valves. Caled is a customer that I have worked with for several years on integrated valve blocks. Caled told Zero that AAK helped him solve several urgent orders for manifolds, and the quality was guaranteed. Zero said frankly that he was introduced by Caled and hoped to get our help. According to the drawing sent by zero, the hydraulic valve block has long and thin channels and complex oil circuit design, which is unbearable for general processing. AAK technical team first arranged the production procedure and calculated the daily output of hydraulic valve blocks. It would take 30 days to complete this urgent order. While Zero was pleased, he seemed a little worried about the quality of AAK hydraulic valve blocks. Three weeks later, their engineers tested AAK hydraulic valve block samples. The overall accuracy parameter of the hydraulic valve block is 5% higher than that of the original manufacturer, which proves what Caled has mentioned that AAK quality mentioned is guaranteed. After working overtime for 30 days, AAK successfully completed the urgent order of 1,200 hydraulic valve blocks for Zero, which is half less than the 60 days of lead time required by peers. Zero was surprised how AAK achieved it? AAK adopts the machining center of compound tools to combine two or more similar or different types of hole machining tools into one special tool. In the process of machining, reduce the tools required for machining X, Y, V and U partial views, and complete the process combination of multiple processes such as drilling, reaming, spot facing and boring. At the same time, one tool can simultaneously process threaded bottom holes, 45 °, 15 °, R0.1 chamfer and outer counter bore, which greatly improve the processing efficiency and have the characteristics of high efficiency, high precision and high stability. This is the reason why AAK completed the urgent order of these hydraulic valve blocks in only 30 days, while most hydraulic valve manufacturers can't control the processing technology of compound tools. AAK hydraulic valve blocks, processed with compound tools, are not only with high precision but also high stability. Welcome you to have a try. https://www.aakindustry.com/info-detail/hy , draulic-valve-blocks-aak210

Muhammad is from a hydraulic equipment manufacturing company in Turkey. He has been purchasing smoothly for 3 years, but stumped by the valve spool of a hydraulic cartridge needle valve. At the beginning of last year, some of their customers complained that the positioning of the paper cutter was incorrect because of the leakage of the hydraulic cartridge needle valve. The original manufacturer said that the hydraulic cartridge needle valve spool was worn due to 24H operation of the equipment, which can only be replaced every 8 months, and can only guarantee the service life of 1 million times. The boss was not satisfied with the after-sales service of the original hydraulic cartridge needle valve manufacturer and asked Muhammad to find a manufacturer with a service life of no less than 2 million times. Muhammad left a message on AAK website: Can you customize the hydraulic cartridge needle valve with a service life of 2 million times? Especially, the valve spool shall be absolutely wear-resistant. After communication, it was learned that the original manufacturer's valve spool was out of use after 1 million times, and the boss asked him to find 3 factories to sample at the same time. This hydraulic cartridge needle valve is a standard part of HydraForce, and most hydraulic cartridge valve manufacturers have existing procedures. As long as the production process of valve spool is further upgraded, the wear resistance will be at least doubled. After 15 days, AAK sent 5 hydraulic cartridge needle valves. Last week, Muhammad sent a PO for 600 hydraulic cartridge needle valves. Their engineers selected AAK hydraulic cartridge needle valves. In the PK among the 3 factories, AAK valve spool has the strongest wear resistance, and it is safe for 2 million times. Because the working condition of the equipment requires high wear resistance of the valve spool, in view of this hidden danger, AAK hydraulic cartridge needle valve spool is heat treated by 3 steps: 1. First of all, the stress relief heat treatment shall be carried out by heating in stages. The heating temperature of the first stage is 380 ℃, and the heat preservation shall be 1H after reaching the temperature. The heating temperature of the second stage is 530 ℃, and the heat preservation shall be 45min after reaching the temperature. The heating temperature of the third stage is 720 ℃, and the heat preservation shall be 30min after reaching the temperature. The air cooling shall be 300 ℃, and then the air cooling shall be conducted to room temperature. 2. Secondly, carry out 2 times of quenching, heat the valve spool to 800 ℃, hold it for 2H, then immerse it in quenching oil, hold it at 65 ℃ for 40min, then cool it to room temperature, and wash and dry it. The valve spool shall be quenched for a second time, and the temperature shall be kept at 700 ℃ for 1H, and then immersed in quenching oil. Hold at 85 ℃ for 55 min, then cool to room temperature, and wash and dry. 3. Finally, place the valve spool in the tempering furnace, heat it to 420 ℃, and keep it for 30min. Continue to heat to 585 ℃, keep it warm for 1H, cool it to room temperature, and then conduct surface strengthening heat treatment, heat it to 950-980 ℃, keep it warm for 10-15min, cool it to 550-600 ℃ with water, cool it to 300-360 ℃ with oil, and finally air cool it to room temperature. After 3 steps of upgraded heat treatment process, the strength of the hydraulic cartridge needle valve spool is increased by at least 50%, and it is quenched twice to release the residual stress. The wear resistance and corrosion resistance of the valve spool are improved, and the service life is guaranteed to be 2 million times. AAK hydraulic cartridge needle valve, the valve spool has 2 million times of wear resistance, you can also try it! https://www.aakindustry.com/info-detail , /cartridge-needle-valves-aak468

We posted a tweet yesterday: For the hydraulic cartridge pressure control valve with 2μm spool, AAK solved Steven's troubles. Someone left a message: "For the production of 2μm spool, do you have any other equipment?”. I estimate that the other party is a hydraulic cartridge valve manufacturer in the same industry, although the IP is not from China. For hydraulic pressure control valve with 2μm precision spool, equipment is the fundamental guarantee, whether it is the CNC Precision Automatic Lathe from Japan or Taiwan, it is the preferred choice for hydraulic cartridge valve manufacturers. Hydraulic cartridge valve manufacturer AAK also has other options to produce the hydraulic pressure control valves with 2μm precision spool. For example, the GONGTIE fully automatic Lathe, its stability and reliability is the preferred choice for our process engineers to prepare production orders for hydraulic pressure control valves. Our equipment engineers have also equipped targeted automatic clamping. Our technicians only need to place the rough valve spools on the clamping plate. After the program starts, the robotic arm automatically clamps the valve spool to be processed and sends it to the machine tool fixture. After the precision machining of the valve spool is completed, the robotic arm sends the valve spool to the tray and then takes the next rough valve spool. This not only improves production efficiency, but also reduces errors caused by human clamping. The spindle adopts high-precision ball screw transmission and precision bearing support. Under high-speed operation, the machining accuracy is not affected. The equipment is equipped with an electric tool tower, which can automatically feed and change the tool. With these, there is no need to worry about unstable accuracy. AAK hydraulic cartridge pressure control valve, fully automatic production, industry 4.0 concept, Welcome to try it out. AAK HYDRAULIC CARTRIDGE VALVES (756) 2024-01-11 https://www.aakindustry.com/info , -detail/pressure-control-valves-aak756

Today, AAK posted a hydraulic cartridge relief valve E-RV16-26, benchmarking HydraForce RV16-26. It is a screw in, cartridge style, pilot operated (two stage), spool type relief valve, intended for use as a pressure limiting device in demanding hydraulic circuits which require fast response and low hysteresis. Many hydraulic cartridge valve manufacturers in Ningbo China do not have this model. One of our customers in Brazil checked with 8 hydraulic cartridge valve manufacturers in 3 months, but none of them have this cartridge relief valve. He was very happily to get it from AAK finally, and the manufacturing quality and performance is equivalent to HydraForce RV16-26. The selling points of this cartridge relief valve are: 1. Benchmarking HydraForce RV16-26 2. Its service life is 2 times that of its peers Technical parameters of AAK E-RV16-26 HYDRAULIC CARTRIDGE PILOT OPERATED RELIEF VALVE: Max. Operating Pressure: 240 bar (3500 psi) Flow: See PRESSURE DROP VS. FLOW graph Internal Leakage: At port 2 Max. at 85% of crack pressure. 115ml/min. max. Note: Pressure setting below 137.9 bar (2000 psi) 197ml/min. max. Note: Pressure setting above 137.9 bar (2000 psi) Temperature: - 40 to + 120 °C (with Standard Buna N seals) Cavity: VC16-2 For this cartridge style, pilot operated, spool type relief Valve, the quality is benchmarking HydraForce RV16-26, you can also try it out. AAK HYDRAULIC VALVES (639) 2023-07-31 https://www.aakindustry.com/info , -detail/relief-valves-aak639

Kayden, from AH Garner company in the UK, has successfully purchased hydraulic valve blocks in Ningbo in recent years, and has cooperated with AAK on some high requirements hydraulic valve blocks for many years. He sent an email at the end of last year: I need AAK’s help. After communication, we learned that a new hydraulic equipment of their company was complained by customers about oil leakage in about 3 months. After inspection, their after-sales personnel found that when the equipment is switched with high-speed and high-frequency action under high pressure, the small O-ring of the cover plate of the hydraulic valve block is prone to oil leakage. The engineer asked Kayden to find the original supplier to replace the hydraulic valve blocks or cartridge valves. Unfortunately, Kayden purchased the hydraulic valve blocks and threaded cartridge valves from two factories. The manufacturer of the hydraulic valve blocks replied that the thread size accuracy of the cartridge valves did not meet the standard and caused oil leakage, while the cartridge valve manufacturer said that the accuracy of the hydraulic valve blocks did not meet the standard. The hydraulic valve blocks and cartridge valves have passed the inspection. How can there be a problem as soon as they are assembled on the equipment? Kayden suspected that the design of the hydraulic valve block was flawed, but the engineer thought the design drawing was in line with the principle. The customer didn't receive the solution, and complained to the boss, who asked Kayden to completely solve the oil leakage problem of the hydraulic valve blocks within 30 days. Now Kayden was stumped and didn't have a clue. I asked Kayden to send us the drawings of the hydraulic valve block and cartridge valve, and system principles. AAK engineers found no problems after analysis. Our engineer asked Kayden to provide the video after the equipment was started up. Combined with the system schematic diagram and equipment fault video, our engineer judged that the position of installing O-ring at the interface of hydraulic valve block and cartridge valve was inappropriate. If the position of the O-ring is lowered, and the cover plate O-ring is completely free of oil, install and fasten the cartridge valve cover plate, and produce the hydraulic valve block and cartridge valve in a same factory, the oil leakage problem of the hydraulic valve block may be solved completely. Kayden seems to have seen the dawn and asked AAK to make samples. After 25 days, AAK sent out the integrated hydraulic valve block sample. A few days ago, Kayden emailed us that it has been 3 months since the hydraulic valve block was replaced with AAK samples, the equipment works normally without oil leakage. Kayden told me that AH Garner engineer admired AAK’s strictness in details. It is so obvious, why didn't he find such an obvious problem? In order to make sure that the integrated hydraulic valve block is 100% free of oil leakage, it is not only necessary to be strict on the position of the O- ring, but also the installation of the O-ring on the hydraulic valve block. On the premise of ensuring the reasonable compression of the O-ring, it is necessary to avoid oil in the annular sealing surface of the O-ring, and any displacement of the O-ring will be in an oil-free lubrication state, so as to improve the displacement resistance. Kayden privately told us that the boss praised his quick and thorough solution to the problem, and asked him to purchase integrated hydraulic valve blocks from AAK in the future. AAK hydraulic valve blocks, be strict in every detail, you are welcome to have a small try. https://www.aakindustry.com/info-detail/hy , draulic-valve-blocks-aak209

Antonio, from Mexico, began purchasing hydraulic cartridge valves from China 3 years ago. Last September, Antonio customized a hydraulic pilot operated pressure relieving valve in Ningbo for use in their newly developed hydraulic power unit. During equipment commissioning, it was found that the internal leakage of the hydraulic pilot operated pressure relieving valve was not up to standard and the opening and closing performance was not satisfactory. The original hydraulic pressure relieving valve manufacturer has revised the samples 3 times, but none of them can satisfy their engineers. Antonio was very upset. Antonio saw the customer case of the hydraulic pressure relieving valve released by AAK in B2B, and left a message. 1.What is the minimum internal leakage of AAK hydraulic pilot operated pressure relieving valve? 2.What is the sealing effect of AAK hydraulic pilot operated pressure relieving valve? 3.What is the opening and closing performance of AAK hydraulic pilot operated pressure relieving valve? I suspected that he was unsuccessful in testing hydraulic pressure relieving valve from other hydraulic cartridge valve manufacturer. After communication, it was learned that the original manufacturer had failed 3 times, which touched me. Perhaps the direction of optimization was wrong. According to the equipment abnormality video sent by him, combined with the hydraulic system and the original sample, AAK engineers found the problem and were 90% confident that the sample would be successful. After 45 days, AAK sent 8 samples of hydraulic pilot operated pressure relieving valves. Last week, Antonio said that after installing AAK hydraulic pilot operated pressure relieving valve into their hydraulic unit, the operational lag was resolved. AAK hydraulic pilot operated pressure relieving valve has two major advantages: small internal leakage, good opening and closing characteristics, and the original hydraulic cartridge valve manufacturer can only be amazed. 1. The valve sleeve of the hydraulic pressure relieving valve has an outwardly inverted triangular clamp head at one end, and the adjusting sleeve catches the clamp head. The valve sleeve and the adjusting sleeve are fixedly connected together. There is a steel ball between the valve seat and the pilot valve spool, and there is a circular hole on the valve seat that communicates with the radial hole and can accommodate the steel ball. There is a blind hole on the pilot valve spool to accommodate the steel ball. 2. The valve sleeve has an axial two-stage step through hole that communicates with the oil outlet chamber as an overflow and outflow port. The junction between the large hole and the small hole is a conical surface, the valve spool and the valve sleeve are sealed at the conical surface, and the oil outlet chamber is located near the conical surface at the bottom of the large hole of the valve sleeve. The control oil chamber is located at the rear of the valve sleeve large hole, and the valve sleeve has a three-level outer circle outside. The right end face of the valve sleeve is an inner cone, which forms an annular plane between the inner cone and the outer cone, making the contact area between the valve sleeve and the valve seat small and stable, structurally reducing internal leakage rather than simply "blocking" internal leakage as the original hydraulic cartridge valve manufacturer did. 3. There are two stages of holes inside the valve spool, with small holes for damping and large holes for placing springs. There are two narrow grooves in the middle of the valve spool and a wide groove at the right end, which can reduce the contact between the valve spool and the valve sleeve and cause sliding friction, greatly improving the opening and closing characteristics of the valve. AAK hydraulic pilot operated relieving valve has two advantages: small internal leakage and good opening and closing characteristics. You can also try it out. AAK HYDRAULIC CARTRIDGE VALVES (547) 2023-03-31 https://www.aakindustry.com/info , -detail/pressure-relieving-valves-aak547