Mechanical Hardware

The email from Draper this morning made me in a good mood all day. I had two bowls of rice at noon. He said that 5 months have passed since AAK supplied the hydraulic needle valves in September last year, they have not received any complaints from users. His boss finally accepted his suggestion: "AAK is the preferred supplier for hydraulic needle valves, even if the price is 20% more expensive". Draper, whom we met in 2019, is a purchasing veteran of Doedijns company in the Netherlands. In 2019, he purchased 3 small batches of hydraulic needle valves from AAK in 3 times. He was very satisfied with the quality and service of AAK hydraulic valves, but in the recent two years of 2020 and 2021, he basically just placed orders for the very difficult and small quantity of hydraulic valves. Draper told the truth privately that he couldn't persuade the boss to place a big order with AAK. The problem is the price. Sometimes the price of AAK hydraulic valves is 20% higher than that of other manufacturers. Only the orders that are out of the capacity other hydraulic valve manufacturers will be placed with AAK. Last July, Draper sent us an email with the subject of "the production time of 1200 hydraulic needle valves". Because he had never sent an inquiry for such a big quantity of hydraulic needle valves, I thought that he sent the email to us by mistake. After communication, it was learned that he finally persuaded the boss to place big order with AAK even if the hydraulic needle valve is 20% more expensive, because they don't want to waste time on the after-sales for the hydraulic needle valves. In the past 2 years, customers have complained more and more about the hydraulic needle valves purchased by Draper. The complaints are basically about some small details of the hydraulic needle valves. For example, the hidden burr of the hydraulic needle valves in the hydraulic power system is not completely cleaned, which affects the matching accuracy and assembly of various parts in the system, as well as the tightness of the matching interface, resulting in internal leakage. Some hydraulic needle valves are complained by users after being used for even only 3 months. For many times, they needed to replace the hydraulic needle valves for users with new ones, which wasted too much of time due to after-sales and also interrupted the construction progress of users. The 1200 hydraulic needle valves purchased from AAK this time are the repeat order for their old customer. The customer said that they will not accept the repair of hydraulic power equipment within 6 months for any reason. Draper once again suggested the boss purchase the hydraulic needle valves from AAK, because in the past 3 years, there has never been any abnormal quality of any hydraulic valves purchased from AAK within 12 months. After comparing more than 20 hydraulic valve manufacturers, AAK is his most trusted hydraulic valve manufacturer. Perhaps his boss also knows that AAK hydraulic needle valve has never been complained. Although the pre-sales cost from AAK is 20% more, sometimes the after-sales cost of hydraulic needle valves purchased from other hydraulic valve manufacturers may exceed 20%. The boss finally agreed with Draper’s opinion. This time, the large order of hydraulic needle valves will be placed with AAK even if the price is 20% more expensive. Also, in the future, AAK will be the first choice for their hydraulic valves. The reason why Draper is not worried about the burr of AAK hydraulic needle valves is that he knows that AAK has the unique burr removal process that most other hydraulic valve manufacturers can't do. Firstly, the accurate position of the burr is determined, and the burr is removed by high-pressure solution jet. Then, there is one more step to re-check the residual burr that the other peers will not do. The burr part is rechecked by endoscope C50. If there are still residual burr, clean it again and recheck it again until it is completely eliminated. This is a detail awareness lacked by other hydraulic valve manufacturers, and also the reason why AAK can achieve 100% free of burrs. AAK endoscope equipment uses the number of CCD pixels and optical fiber conduction to automatically adjust the brightness during detection. It performs 360 degree detection on each hole in the valve body and clearly grabs each hidden burr, so as to ensure that each hydraulic needle valve is 100% free of burr residue. AAK hydraulic needle valve is unique in detail inspection. Welcome to have a small try! https://www.aakindustry.com/

Uistan comes from a hydraulic equipment manufacturing company in New Zealand, and has been in the company for 3 years. At the beginning of this year, an old customer of their company wanted to place the reorder for last customized hydraulic hoist, but required the stability to be increased by 10%. Their engineers required that: the hydraulic cylinder has a rod cavity, which is controlled by pressure; Rod less chamber, controlled by flow. Therefore, the hydraulic cartridge pressure control valve must have flow control and pressure control functions. Uistan contacted the original manufacturer to optimize the hydraulic cartridge pressure control valve, but the manufacturer was unable to do it. Uistan contacted more than 10 hydraulic cartridge valve manufacturers, but they were all not confident to guarantee that the hydraulic cartridge pressure control valve has both flow and pressure control functions. The engineer urged the progress several times, and Uistan was worried. While browsing Google, Uistean noticed AAK and left us a message: How to make the hydraulic cartridge pressure control valve have flow and pressure control functions at the same time? For this dual control hydraulic cartridge pressure control valve, there are not many hydraulic cartridge valve manufacturers that can produce it. After communication, we learned that his customer requested to improve the stability of the equipment, and they made a dual function request for the original hydraulic cartridge pressure control valve. In fact, AAK has customer cases for dual function hydraulic cartridge valves. Uistan was relieved when he learned. He hoped that AAK can help with the sample quickly. After 35 days, AAK sent 8 samples of hydraulic cartridge pressure control valves. 3 months later, Uistan informed by email that after installing AAK hydraulic cartridge pressure control valve, the customer was satisfied with the prototype, and the stability of the hydraulic hoist was at least 10% higher than before, and was willing to buy it again. The dual spool hydraulic cartridge pressure control valve designed by AAK allows two oil ports to adopt flow control and pressure control respectively, as follows: 1. Two connected fluid ports are respectively set on the two valve spools. The included angle between the center of the two ports and the connecting line between the ball center of the valve spool is 90 °. The two valve spools are set tangently. The caliber of the 4 fluid ports matches with the connecting port of the pipeline. 2. The lower ends of the two valve stems are connected with the valve spool. The valve body is provided with 4 pipeline connecting ports. The valve spool is arranged in the valve body. The upper end of the valve stem is connected with the valve stem control mechanism through the valve body. The center lines of the pipeline connecting ports are all located in the same plane. The contact parts between the two valve stems and the valve body are respectively provided with sealing rings. 3. The valve body bulges towards the middle of the valve body to form a diaphragm. The 4 fluid ports are connected through the diaphragm through-hole. Both sides of the diaphragm through-hole are attached with O-ring seals, which has good sealing performance and reduces the wear of the valve spool. AAK hydraulic cartridge pressure control valve, dual spool, dual control, dual function, you can also try a small order! https://www.aakindustry.com/info-det , ail/pressure-control-valves-aak453

Sarabi from Israel, a hydraulic cartridge valve customer for military service. 2 weeks ago, he inquired about a hydraulic cartridge valve from AAK, for a military customer. I specifically investigated that company online. It is a very powerful hydraulic cartridge valve customer, and a type that I really like. After several rounds of communication, there was no any news for a week. The day before yesterday, Sarabi's feedback came: The price of AAK is a bit higher than other hydraulic cartridge valve manufacturers. The Israeli customer is very shrewd. They may have checked the price with other hydraulic cartridge valve manufacturers to compare prices in those days without any news. We often talk about quality comparison shopping, but in fact, it has now become a price comparison shopping. Firstly, I apologized to Sarabi for not properly introducing the hydraulic cartridge valve manufacturer AAK, which caused him to have no trust about AAK, no trust about the quality. Without trust, as a result, he had nothing to compare and could only compare prices. Subsequently, I introduced him AAK Partners: 1)Supply for HydraForce for 9 consecutive years and SUN for 5 consecutive years. 2)Honeywell, a Fortune 500 company, is also our client. 3)The listed company Skyjack Inc is also developing products at AAK. Selling points of hydraulic cartridge valve manufacturer AAK: 1)Manufacturing quality benchmarking with international first-line brands, top 3 in Ningbo. 2)AAK hydraulic cartridge valve has been used by Russian customers on Aircraft. 3)3-year warranty, no leakage, no vibration, no noise. I also invited him to read over 600 articles published on our website about AAK hydraulic cartridge valve customer cases, advantages, features, the unique characteristics different from the other hydraulic cartridge valve manufacturers in Ningbo China, the trust established in customers' minds on the internet. Only when hydraulic cartridge valve manufacturer AAK has become your default preferred supplier, perhaps you don't think AAK is too expensive. I told Sarabi not to compare AAK with other hydraulic cartridge valve manufacturers in Ningbo China, because AAK has no peers. Why does AAK has no peers? The purchase reasons, selling points, extensions, features, advantages, and benefits of AAK are already a fact. Then you think about it, how can there be a same hydraulic cartridge valve manufacturer like AAK in China? Sarabi ended this round of communication with a very interesting and refreshing exchange at the end. Today, Sarabi placed his PO and only requested a 2% discount. In half an hour, I sent back S/C. Today is a meaningful day for AAK, a hydraulic cartridge valve manufacturer in China, and for me. Taking this as a diary, I would like to see after 10 years, how many Israeli customers AAK, a hydraulic cartridge valve manufacturer in China, will have. AAK HYDRAULIC VALVES (617) 2023-07-01 https://www.aakindustry.com/info , -detail/hydraulic-cartridge-valve- manufacturer , s-aak617

Jeff comes from Israel and has been purchasing hydraulic pressure control valves from China for less than 2 years. At the beginning of this year, a hydraulic pressure control valve with valve seat precision accuracy within 2μm has worried him for over 1 month. This hydraulic pressure control valve is used for hydraulic power units in the aviation industry. The hydraulic pressure control valve sample provided by the original manufacturer showed slight leakage after pressurization. Jeff's engineer found that the valve seat precision accuracy of the manufacturer was around 4μm. Jeff had to search for a new manufacturer of hydraulic pressure control valves. Jeff left a message on the AAK website: Can AAK control the valve seat precision accuracy of the hydraulic pressure control valve within 2μm? After communication, it was learned that he encountered difficulties in purchasing hydraulic pressure control valves from China. I sent out two models of AAK existing hydraulic pressure control valves the next day for him to test the valve seat precision accuracy. In less than 2 weeks, Jeff said that AAK's valve seat precision accuracy has been recognized by their engineers. He asked us to customize the hydraulic pressure control valve based on their drawings. After 35 days, AAK sent out 30 hydraulic pressure control valves. Yesterday, Jeff informed us via email that the sample was successful and the hydraulic power unit had been delivered to his client. If without any accidents, they will place a regular order for the hydraulic pressure control valves soon. In fact, the precision accuracy control of the valve seat is not difficult. The original hydraulic pressure control valve manufacturer Jeff found may not have the suitable equipment. The processing of this hydraulic pressure control valve is carried out by AAK using high-precision lathes of CITIZEN in Japan. Among more than 200 hydraulic valve manufacturers in Ningbo China, there are no more than 4 manufacturers who have this machine tool. Its advantage is that the component processing precision accuracy can reach IT8 to IT6 levels, and the tolerance can be guaranteed to be within 2μm, surface roughness Ra1.6-0.8μm. It is capable of achieving point control, with a spindle speed range of 300~10000r/min, its travel parameters can be controlled at 200mm/min. The most crucial thing is that the driving method of the back spindle adopts a built-in motor, which achieves the spindle speed range of 10000r/min and also improves the production efficiency of the hydraulic pressure control valve. AAK hydraulic pressure control valve, the valve seat precision accuracy within 2μm. For valve with high precision requirements, you can also give a try with us! AAK HYDRAULIC VALVES (616) 2023-06-29 https://www.aakindustry.com/info , -detail/pressure-control-valves-aak616

The local Israeli manufacturer was not willing to take risk to develop the hydraulic cartridge relief valve due to small size, and gave it up. After taking over, AAK made 3 improvements in the structure of the hydraulic cartridge relief valve, met the 3 requirements: 450bar high pressure resistance, 500L/min large flow, small pressure loss, and small volume. 3 months later, Vaughan sent an order for 600 hydraulic cartridge relief valves. Vaughan is from Israel, and they mainly focus on hydraulic equipment in the military market. At the beginning of last year, they customized a hydraulic power unit, which needs to have a pressure resistance of 450bar, the flow controlled by the hydraulic cartridge relief valve in the system exceeds 500L/min, with small pressure loss and small volume. He contacted a local hydraulic relief valve manufacturer to try the sample. The manufacturer reported that there was no problem with the functional requirements, but the size was too small and the risk was high, so he was unwilling to develop it. Vaughan contacted more than 10 hydraulic cartridge valve manufacturers, but it was fruitless after 1 week. Vaughan noticed AAK's article on high pressure and large flow hydraulic cartridge valves on B2B. He emailed me: can AAK try the hydraulic cartridge relief valve with high pressure resistance of 450 bar, flow over 500L/min, small pressure loss and small volume? My reply: It depends on how small the volume is. Vaughan sent the drawing of hydraulic cartridge relief valve. After getting the confirmation that AAK can optimize the internal structure of the hydraulic cartridge relief valve, he confirmed for us to make samples. After 50 days, AAK sent 12 hydraulic cartridge relief valve samples. 3 months later, Vaughan sent an order for 600 hydraulic cartridge relief valves. Their engineers were very satisfied with AAK hydraulic cartridge relief valves, which not only met the high pressure resistance of 450bar, large flow of 500L/min, small pressure loss, and small volume, but also completely met the requirements of the drawing, solving the space barrier of their power unit. AAK has made 3 improvements in the structure of the hydraulic cartridge relief valve: 1. The inner wall of the outer end of the hydraulic cartridge relief valve cage is provided with a boss to limit the valve spool in the valve cage. The valve spool, the valve cage and the valve cover form the first chamber. The first chamber is provided with a pressure regulating spring, one end of which is connected with the valve cover and the other end is connected with the valve spool body. 2. The right end of the valve cage is provided with a first oil port, and the circumference of the valve cage is provided with 2 rows of second oil ports. 3. The outer wall of the right end of the valve spool is provided with a groove, and the groove and the second oil port of the valve cage form a second chamber. For the hydraulic cartridge relief valve with such structure, when the oil enters from the first oil port and the oil pressure on both sides of the valve spool is not equal, the valve spool moves to the left, the 2 oil ports are connected, the valve port is opened for overflow, and the flow pressure loss in the valve is small. The valve cage is provided with a plurality of second oil ports to ensure large flow. AAK hydraulic cartridge relief valve, has small pressure loss and compact size, you can also try a small order! https://www.aakindustry.com/info-det , ail/relief-valves-aak452

On November 28th, Charlie Munger passed away, his passing, like the serene beauty of autumn leaves, leaving endless memories. On this most ordinary day, we have lost an extraordinary soul. Charlie Munger's wisdom, insight, and kindness have brought not only personal recognition to me, but also recognition to hydraulic manifold manufacturer AAK. Charlie Munger's model and methodology have inspired hydraulic manifold manufacturer AAK, both in terms of development ideas and sales.   1. Charlie Munger's Reverse Thinking "If only I knew where I died, then I would never go to that place." This inspiring sentence states that if hydraulic manifold manufacturers know how to lose money, then they know how to make money. There are many difficult problems in life, as long as you think in reverse, you can find the answers. On the path of development, hydraulic manifold manufacturers may find it more meaningful to discuss "how to avoid" rather than "how to succeed"; Rather than searching for "what to do", perhaps thinking about "what not to do" is more meaningful; Perhaps admitting foolishness is more practical than seeking intelligence. Learn a lesson from the ineffectiveness of others. At the same time, be aware of yourself, acknowledge your ignorance, and always understand your abilities and limitations. Do something, do something not. Before starting something, such as a hydraulic manifold manufacturer developing a new product, let's assume what to do if the development fails. Then, all thinking, analysis, judgment, planning, and decision-making revolve around how to avoid failure and reduce costs. Before you think about "how to lose weight," perhaps you should first think about "why you gain weight.". Before hydraulic manifold manufacturers think about "how to get orders", perhaps they should first think about "why they can't get orders". Thoroughly understanding the problem will solve half of it. The B-side of the problem may be the answer you are looking for. True experts know how to go against the tide. Reverse thinking is the belief that "starting with the end" is more important than "quickly attacking.".   2. Charlie Munger's extensive reading, which prevented people from only seeing trees and but not the forests. Everyone hopes to have a higher level of cognitive ability. Cognition is the way of thinking about things, which allows you to think further and see more clearly. The simplest and most cost-effective way to enhance cognition may be to read more books. Every book is a set of models and frameworks. How do we choose the books we should read? Some down-to-earth books, or reading books that look more practical, may directly improve. However, we cannot ignore "looking up at the stars". Some seemingly useless books often provide us with greater inspiration. What hydraulic manifold manufacturers need is not only books on process and technology, but also books on sociology, psychology, marketing, and neuroscience. Perhaps this will enable hydraulic manifold manufacturers to have the ability to think independently, not be affected by short-term market fluctuations, and adhere to a long-term philosophy. Reading is about exercising our mental muscles, and every part needs to be trained. After reading for a long time, it began to light up the dark map of hydraulic manifold manufacturers, and cognition gradually improved. Widely exploring is believing that "long-term returns" are more reliable than "short-term spikes".   3. Charlie Munger's “The greatest truths is concise”. Do not abandon the ship to escape when it sinks, unless you can swim to another navigable ship, which highlights the importance of rational action. We always hope to take a "divine pill" after getting sick or injured, which not only instantly recovers but also increases our lifespan by 60 years. Hydraulic manifold manufacturers always want to see a batch of large orders during the low point of their business, which can last for many years. Unfortunately, most likely none of these are available. Even if there is, the result may not be good. Rapid growth can also lead to rapid decay. The truly good methods are all very simple. But it's difficult to persist day after day. Most hydraulic manifold manufacturers always think of shortcuts in production and manufacturing. In fact, trickery cleverness is fatal clumsiness. If hydraulic manifold manufacturers do not take shortcuts, it is actually the fastest shortcut. Take the main road because there are fewer people on it. To walk the broad road is to have great wisdom. The simplest way is to believe that "sticking to the right path" is more powerful than "finding shortcuts".   Charlie Munger has left, but his wisdom will never be forgotten and will never leave. At present, although the international situation has more or less affected the business of hydraulic manifold manufacturers, what cannot be changed should not be too struggled. Complaining is also a major taboo in life. We should do the things in front of us well, do our best, and obey fate. Those who drown in the river can swim, and hydraulic manifold manufacturers have also taken advantage of the situation. Running a hydraulic manifold manufacturer requires understanding how to delay satisfaction in order to operate better and better. The problem with Chinese people is that they have too much gambling and are particularly superstitious about luck. Hydraulic manifold manufacturer AAK cannot trust luck, but trust probability, and go fishing in places with fish. The most reliable way to get something you want is to make yourself worthy of it, some orders, and some hydraulic manifold manufacturers cannot digest it. The approach of hydraulic manifold manufacturer AAK is to stay away if it doesn't match. Hydraulic manifold manufacturer AAK never tries to become a smart person, but continuously tries not to become a fool and tries not to make foolish mistakes. The method that hydraulic manifold manufacturer AAK adheres to is work, work, work, and work again, and looks forward to seeing a few opportunities. Most hydraulic manifold manufacturers, seeing their competitors running in one direction and can't bear standing there foolishly. Even though they know everyone is running in the wrong direction, they still follow suit. But hydraulic manifold manufacturer AAK must force itself to be different.   Charlie Munger's departure, hydraulic manifold manufacturer AAK, 3 insights, 1 summary, let's move forward together. AAK HYDRAULIC VALVES (727) 2023-12-02 https://www.aakindustry.com/info , -detail/hydraulic-manifold-manufacturers- aak72 , 7

Taylor suddenly emailed us to ask if we can deliver 110 hydraulic diverter valves within 20 days? As the purchasing manager of Caterpillar, Taylor has cooperated with AAK for several years, but since the last half year, there has been only inquiry and no actual order. There must be a reason for this urgent hydraulic diverter valve order. Taylor said that the customer complained that their excavator was weak. The hydraulic diverter valves used in the excavator were abnormal. Their engineers found that the valve spool of the hydraulic diverter valve was stuck, so they had to re purchase new hydraulic diverter valves for replacement. The customer asked them to replace these hydraulic diverter valves within 1 month. This time was very tight, and Taylor didn't have any confidence about it at all. The original manufacturer considered that the residues in the valve were due to the unclean hydraulic oil used, and was unwilling to offer free replacement for the hydraulic diverter valves. He only can accept to produce the hydraulic diverter valves for another new order, but it would take 35 days to complete it. After disassembling the hydraulic diverter valve, the Caterpillar engineer found that there were a few fine metal particles left on the contact surface between the valve spool and the valve sleeve, and no particles were found in the hydraulic oil. These particles were caused by incomplete cleaning of the hydraulic diverter valve after processing, but the original manufacturer still denied it. Taylor had to contact other hydraulic diverter valve manufacturers, including several local factories in the United States. Unfortunately, none of them were able to complete the production of 110 hydraulic diverter valves in 20 days. This is why Taylor emailed to AAK. He regretted to save 20% of the price, resulted in the current embarrassing situation. We don't know whether we can complete the production of 110 hydraulic diverter valves within 20 days. One day later, we advised Taylor that we are 90% confident that we can complete the production of this batch of hydraulic diverter valves. This hydraulic diverter valve is just very close to another one that we produced for a German company. We still have the stock materials, but only need to adjust the size slightly. This can save some time. After 20 days, the 110 excavator hydraulic diverter valves were successfully delivered, and their company successfully replaced the hydraulic diverter valves. The customer was very satisfied with their after-sales speed, and Taylor was finally relieved. AAK hydraulic diverter valve strictly controls and tests each production process, especially the cleaning in the valve is clean. We use the ultrasonic cleaning machine imported from Japan, which converts the sound energy of the power ultrasonic frequency source into mechanical vibration through the transducer, and radiates the ultrasonic wave into the cleaning solution in the tank through the cleaning tank wall. Due to the radiation of ultrasonic wave, the microbubbles in the liquid in the tank can keep vibrating under the action of sound wave, destroying the adsorption between dirt and the surface of cleaning parts, causing the fatigue damage of dirt layer and be removed, and scrub the solid surface with the vibration of gas bubbles to achieve 100% cleaning of each part without leaving any residue. Although AAK hydraulic diverter valve is 20% more expensive, you don't have any worries in use. Taylor also privately told us that after learning about this, his boss suggested not to easily change the hydraulic diverter valve supplier. AAK hydraulic valve is trustworthy. AAK hydraulic diverter valve, the cleaning inside the valve is absolutely clean and 100% residue free. You are welcome to give it a try! https://www.aakindustry.com/info-detai , l/hydraulic-diverter-valves-aak140

In the past 2 months, China's foreign trade exports have dropped by 25.5%, which is also an inevitable trend. The main reason is that the exports of low- end manufacturing industry or manufacturing industry with no technical content have declined, but the exports of hydraulic cartridge valves and hydraulic manifolds seem to have no impact, at least AAK hydraulic cartridge valve does not have this feeling. At present, in the low-end manufacturing industry, there are no workers. Those with higher education are unwilling to work in the workshop and prefer to be the delivery boy. The sinking of the low-end manufacturing industry is a trend and also inevitable AAK hydraulic cartridge valve has established a framework from the beginning. We must make hydraulic cartridge valves with manufacturing quality, technical content and industrial barriers, or hydraulic manifolds. That is, AAK hydraulic cartridge valve is different or unique. You can't survive by manufacturing hydraulic cartridge valves without technical content or technical barriers. In the high-end technology field, especially in electronic components, Japan is powerful. Not only because of the spirit of craftsmanship, but also because of some traditions, Japan has achieved the high and sophisticated. Sony of Japan has a 50.1% market share of sensors in mobile phones, and the same is true for chip and lithography machine. As long as the manufacturing quality of AAK hydraulic cartridge valve is well done, benchmarking HydraForce and SUN on the function and performance, even the severe foreign trade situation will not affect AAK. The root of my confidence is that AAK has established this framework from the beginning. The direction is right, even if it is far away, it will eventually arrive. As a matter of fact, AAK's existing hydraulic cartridge valve procedures and the hydraulic cartridge valves of the same model as HydraForce and SUN, their manufacturing quality, function and performance are already equivalent to HydraForce and SUN. This is already a fact. Don't make mistakes. Is that still a young man? That's true, but there are two kinds of mistakes: one is the detail mistake, the other is the framework mistake. The details are wrong. It doesn't matter. If you step in the pit more, fall more, and be slapped more by the society, you will be healthier physically and mentally. However, no framework mistake can be made. If any enterprise makes a framework mistake once, it will be basically failed. The framework is very important. In fact, why many people don't do a good job in their life is that they don't have a good framework. Just like a little girl who did not pay attention when looking for her husband and married a bad husband or mother-in-law. No matter how powerful this little girl is, because of the wrong framework, she can only repair and repair her life, to maintain the relationship between husband and wife, to maintain the relationship between mother-in-law and daughter-in-law, but the repair effect is not significant, because she found the wrong person. AAK hydraulic cartridge valve manufacturer in China, with frame, direction, slow heart and diligent hands. https://www.aakindustry.com/info-det , ail/cartridge-valve-manufacturers-aak527

Lewis is from a Greek hydraulic equipment company. He has been purchasing hydraulic components for 3 years and has been successful. At the beginning of the year, their customer had a trial order for 3 wheel loaders and needed hydraulic cartridge needle valves. Lewis chose a hydraulic cartridge needle valve manufacturer in Greek. After using the equipment for 3 months, the customer reported that one of the equipment failed to rise, which should be due to the abnormal hydraulic system. After disassembly, it was found that the spool of the hydraulic cartridge needle valve was stuck in the radial direction, which affected the axial movement of the screw. The root cause was that the coaxiality of the spool and the cage of the hydraulic cartridge needle valve was inconsistent. The manufacturer of the hydraulic cartridge needle valve advised that it should be individual phenomena. But 3 weeks later, the customer reported that the other two devices also had this problem. Lewis realized that the coaxiality accuracy of the hydraulic cartridge needle valves processed by the this manufacturer was not up to standard, and he must find a hydraulic valve manufacturer with same coaxiality for each hydraulic cartridge needle valve. But a week later, no new manufacturer took over. Lewis was very worried. From Google, Lewis noticed that AAK had published articles on coaxiality processing and left a message asking: How confident is AAK about a hydraulic cartridge needle valve with 100% consistent coaxiality? The drawing of hydraulic cartridge needle valve is also attached, which also shows that it is used on the loader equipment. According to the parameters and equipment requirements, although the coaxiality is a little difficult to meet, AAK has some experience. We suggested Lewis trying samples directly. After 40 days, 6 hydraulic cartridge needle valve samples were sent out. Last week, Lewis sent an email. He said that the AAK hydraulic cartridge needle valves had been installed in the equipment for more than 6 months, and the equipment had not risen abnormally. Their customer was satisfied with the 3 sets of trial equipment and was ready to start purchasing in batches. Lewis reminded us that for the regular order of hydraulic cartridge needle valves, we must control the coaxiality as same as the samples. I told him that as long as the trial order sample is approved by the customer, there will be no problem with the regular order, because AAK hydraulic cartridge needle valve can achieve 100% coaxiality consistency, which depends on 3 key points: 1. The equipment is advanced: AAK uses high-precision honing machine imported from Swiss, with German cutters. The accuracy is guaranteed, and the tolerance is not worried. 2. There are experienced operators: 30 years of technicians, special personnel assigned for special machine, and every key point and difficulty of control are engraved in their minds. 3. The inspection is powerful. 3 coordinate measuring instrument, control valve spool and valve cage coaxiality detection, 100% full inspection, instead of the select sampling inspection of peers. AAK hydraulic cartridge needle valve, has replaced the Greek hydraulic valve manufacturer. You can also have a small try. https://www.aakindustry.com/info-detai , l/hydraulic-cartridge-needle-valves- aak391

The angle error of inner cone of AAK hydraulic relief valve sleeve is controlled within ± 0.8 °, and the minimum axial grinding tolerance of sealing circle is 0.075μm. At the same time, it is inspected by three coordinate measuring instrument to ensure that the hydraulic relief valve is 100% leak free. After comparing more than 10 hydraulic valve manufacturers, Backhaus determined that AAK hydraulic valve is the most reliable hydraulic relief valve manufacturer. At present, in the manufacturing process of hydraulic relief valve, when grinding the conical surface inside the valve, most hydraulic valve manufacturers just let the operator judges the feed rate, angle control and grinding tolerance by experience completely. There is no grinding amount detection link, and there is no precision detection of each part in the valve. When this type of common quality hydraulic relief valve is used on equipment with high requirements, troubles will come out. Backhaus is a purchaser of a German hydraulic pump company for less than a year. In the first half of the year, a batch of hydraulic pumps of their company were complained by customers. After the hydraulic pump is started, the system pressure begins to lose stability and there is pressure drift. The engineer judged that there was a problem with the hydraulic relief valve. After disassembly, it was found that there was a gap between the valve sleeve and valve spool of the hydraulic relief valve. After measurement, it was found that the error of the cone angle in the valve sleeve of the hydraulic relief valve was too big and caused leakage of the hydraulic relief valve. The only solution is to replace the hydraulic relief valve. It is estimated that 30% of hydraulic relief valves need to be replaced. The boss asked Backhaus to replenish the goods as soon as possible and solve the customer complaints. Backhaus contacted the original manufacturer of the hydraulic relief valve. The manufacturer was willing to replenish. Backhaus thought it would be all right after replacing the hydraulic relief valve. A month later, the customer complained again, which is still the same problem. This shows that the quality of the hydraulic relief valve from the old manufacturer is not trustworthy, and it is urgent to replace the hydraulic relief valve supplier. Backhaus contacted more than 10 hydraulic relief valve manufacturers, including AAK hydraulic valve. The hydraulic relief valve is required to be 100% leak free. AAK hydraulic valve and other 3 manufacturers are required to send samples for testing according to his hydraulic relief valve drawings and working conditions. A month later, Backhaus asked us about the production time of replenishing 30% hydraulic relief valve. It should be that AAK hydraulic relief valve has been recognized by the customer. Backhaus frankly told that there was slight leakage on several hydraulic relief valves from the other 3 manufacturers, only AAK hydraulic relief valve had no leakage, and the parameters of AAK hydraulic relief valve were the most stable in the 4 factories. At the same time, their engineers regarded that AAK quality was the most trustworthy. AAK designs a special CMM detection device according to the structural characteristics of the valve sleeve, which can analyze and control the detection error, so as to reduce the impact of the measurement system error on the measurement accuracy. In the actual manufacturing process, the detection device can quickly measure the relevant dimensions of the inner cone of each valve sleeve, realize the full coverage and accurate control of manufacturing error, and ensure that the final actual manufacturing error of the inner cone angle is controlled with ± 0.8 °, and the minimum axial grinding tolerance of the sealing circle is 0.075μm. Thus, each valve can achieve 100% leakage free. AAK hydraulic relief valve, is not the market common quality, focused on details, 100% no leakage, you are welcome to give it a try! https://www.aakindustry.com/info-detai , l/hydraulic-relief-valves-aak139

AAK hydraulic valve blocks adopt MB Series Plug of KVT company in Switzerland, and forms a solid sealing surface after metal extrusion in the way of expansion bite, 100% avoiding oil seepage and oil leakage of hydraulic valve block, which fundamentally solves the problem of high-pressure plugging of hydraulic valve block, and the rated pressure can be as high as 450bar without pollution. Most hydraulic valve manufacturers fail to seal the hydraulic valve block in place, but AAK has become a long-term cooperative supplier of hydraulic valve block for American customer. The vast majority of hydraulic valve manufacturers use the traditional sealing method of inner hexagonal (or outer hexagonal) screw plug and sealing combination gasket to process the hydraulic valve block. The service pressure is basically in the range of 50-300bar, and the operation is simple and easy to disassemble. The hidden danger is that there are requirements for tightening torque. If the torque is not reached, it is easy to leak, and if it exceeds, the thread is easy to be damaged, some hydraulic valve manufacturers even apply anaerobic glue on the thread, which is easy to cause particles of anaerobic glue to fall into the hole, resulting in oil pollution or valve jamming of the hydraulic valve. In addition to the function of hydraulic logic control, some hydraulic valve blocks also need to work for a long time in the environment of high-pressure, high-frequency pressure impact and temperature impact. Therefore, the sealing process of hydraulic valve blocks is very important. Declan, an American customer, is a hydraulic friend of Blake. He recently encountered trouble in purchasing the hydraulic valve block. The approval sample of the hydraulic valve block provided by the original factory showed that the parameters were completely normal in the first test, and there was slight oil seepage in the second test. Declan thought it was something wrong with the hydraulic system. Declan checked and tested the samples for the third time, the hydraulic valve block began to leak oil. After communicated with the original manufacturer, Declan was advised that this sealing process is common in the industry, he should either accept the hydraulic valve block as is or cancel the order. Declan consulted more than 30 hydraulic valve manufacturers through B2B, Google and other websites. Their hydraulic valve blocks all adopt the general sealing process in the industry, and can not guarantee 100% sealing. After consulting Blake, Blake suggested him contacting AAK and told him that AAK hydraulic valves are not market goods and have some their own R & D processes. Perhaps AAK does not adopt the general sealing process in the industry for the sealing of hydraulic valve blocks. According to the hydraulic valve block drawings from Declan, we sent out the hydraulic valve block samples a week later. 2 weeks later, Declan informed us that the parameters of AAK hydraulic valve block were fully up to standard after 3 tests. AAK has introduced new sealing technology and MB Series products of KVT company in Switzerland as early as 5 years ago, which fundamentally solves the problem of high-pressure sealing of hydraulic valve block. This technology has low requirements for process hole, is convenient, fast and flexible for installation, and the rated pressure can reach 450bar. At the same time, it forms a solid sealing surface after intermetallic extrusion by expansion bite, and has no pollution. The hydraulic valve block with strong stability is the personal bodyguard of high-quality hydraulic valves. AAK hydraulic valve block, is 100% sealed, free of pollution, easy to operate, you can also have a small try! https://www.aakindustry.com/info-detai , l/hydraulic-valve-blocks-aak138

The day before yesterday, Franco from Spain left a message on AAK website: Can you customize hydraulic cartridge directional control valves with high precision requirements for valve holes? I estimate that Franco encountered the problem of unstable valve hole accuracy when purchasing hydraulic directional control valves. The stable manufacturing quality of hydraulic cartridge valve manufacturers lies in the machining accuracy. Recently, hydraulic cartridge valve manufacturer AAK introduced the precision machining of valve cages and valve spools for hydraulic cartridge valves. Today, we will introduce the machining accuracy of valve holes. Some hydraulic cartridge valve manufacturers focus most of their energy on the accuracy of the valve spool and valve cage, often neglecting the accuracy of the valve hole. Some hydraulic power units with high requirements may sometimes experience equipment abnormalities due to unstable valve hole accuracy. After communicating with Franco, it was learned that he encountered unstable valve hole accuracy in hydraulic directional control valves purchased from other hydraulic cartridge valve manufacturers. He was unable to investigate the accuracy of each valve hole, and the original manufacturer could not guarantee that the accuracy of each valve hole was fixed at a certain value. I told Franco: The machining of valve holes involves drilling, milling, boring, chamfering, and deburring. If these 5 processes are completed in one go, there is no need to worry about accuracy. However, most hydraulic cartridge valve manufacturers need 2-3 times to complete these 5 processes. If there is an error in the fixture or positioning, it will affect the accuracy of the valve hole. You can watch a video of how AAK completes 5 processing steps in one go. From the video, we can see that AAK processes valve holes using a single clamping machine, which completes the valve hole processing in one go. The details before processing are to set the coordinate system of the machine tool, determine the coordinate values based on the machining data of the valve hole, and then input them into the system. Set the Z-axis value again, select the match tool, and similarly, input the data into the system. The determination of the data twice and the input into the system are crucial, and then the machine tool can be started. The biggest feature of this machine tool is that it is equipped with 7 cutting tools during processing, which can complete 5 processes from drilling, milling, boring, chamfering, and deburring in one go, that is, complete the machining of the hydraulic directional control valve hole in one go. Not only is it efficient, but it also has stable accuracy, as long as there are no errors in the data setting process. Today, we received the first order from Franco for hydraulic cartridge directional control valves, which took only 3 days from inquiry to order. Although the quantity was only 80 pcs, I believe this is just the beginning for Franco. AAK hydraulic cartridge directional control valve hole machining, one clamping, complete 5 processes, you can also try a small order! https://www.aakindustry.com/info-det , ail/directional-control-valves-aak726

Richard is a purchaser of ATOS company in Italy. Last September, ATOS received a complaint from a South African customer that the starting pressure of the hydraulic pump was often insufficient recently. The field engineer analyzed that the valve spool spring of the pilot hydraulic relief valve of the hydraulic pump was deformed, resulting in the unstable pressure of the hydraulic system. He tried to replace the pilot hydraulic relief valve to solve the problem. The customer questioned the stability of their equipment because it had been used for less than 1 year. After learning about it, the boss asked Richard to solve the customer complaint as soon as possible and replace this batch of pilot hydraulic relief valves. Richard wondered about the problem with the pilot hydraulic relief valve. This pilot hydraulic relief valve was produced by an American company and was re purchased this time. The original manufacturer replied that this pilot hydraulic relief valve has been produced according to the standard. The strength limit and elastic limit of the piano steel wire used meet the requirements. The problem should be caused by improper use by the user. Of course, he can not tell the boss of such results. The original manufacturer was unwilling to take responsibility. Richard contacted nearly 20 hydraulic valve manufacturers, including AAK hydraulic valve. After several rounds of communication, Richard eliminated half of the hydraulic valve manufacturers, and then asked the shortlisted hydraulic valve manufacturers to send their own ready-made pilot hydraulic relief valves. Their company conducted spring elasticity test. Finally, 5 manufacturers were selected to send samples for the second round according to the drawing size of his pilot hydraulic relief valve and improve the spring elasticity. After communicating with Richard, we learned that the service limit pressure of the hydraulic pump is above 350bar and the service frequency is very high. Although the piano wire spring used by Sun, the original American manufacturer, is advanced, special materials must be used for this special working condition. We started to test the special spring first. Richard has received samples of pilot hydraulic relief valves from other 4 factories, but AAK hasn't sent them yet. Richard pushed us several times and we advised that we are still in testing. Richard may think AAK should not be able to do it. AAK engineers spent 3 weeks, 6 times replacing materials and 9 times proofing, determined the special alloy steel spring as a trial, and sent the pilot hydraulic relief valve 30 days later. We specially asked Richard about the test of the pilot hydraulic relief valves from the other 4 manufacturers. Richard advised that if AAK pilot hydraulic relief valve could not pass the test, he would need a new round of looking for suppliers. A month later, Richard informed that AAK pilot hydraulic relief valve could still be opened and closed normally after 1 million tests under high stress, with flexible action and no deformation of the spring, while the samples from the other 4 manufacturers began to be unstable after 400,000-600,000 tests. AAK stands out from more than 20 suppliers after 3 rounds of PK. The spring of hydraulic valve is most afraid of fatigue damage，especially under high stress. The spring of AAK pilot hydraulic relief valve adopts SiCr alloy steel. The spring has the characteristics of high temperature resistance, high rigidity, high relaxation resistance and long fatigue life. Richard is finally relieved. He asked us to provide two more pilot hydraulic relief valves, to replace the pilot hydraulic relief valves produced by the original American manufacturer Sun company, and then start preparing materials for mass production AAK pilot operated hydraulic relief valve is unconventional and exceeds the conventional goods of Sun company in the United States. You can also have a small try. https://www.aakindustry.com/info-detai , l/hydraulic-relief-valves-aak137

Oleos is from a Spanish hydraulic equipment manufacturing company and has cooperated with AAK for 3 years, mainly focusing on non-standard hydraulic cartridge valves. At the beginning of this year, their customers complained about the high energy consumption of excavators. Their engineer judged that the performance of the original hydraulic manifold parameters had declined and asked the original manufacturer to optimize them. 2 weeks later, there was no result. Oleos contacted me. According to his hydraulic schematic diagram and original hydraulic manifold design, AAK engineers had a basic idea after discussion, but it would take time. Oleos said that he would be willing to wait even 1 year as long as effective improvements can be made. AAK engineers finally improved the structure after more than 2 months of continuous design adjustment. AAK sent 5 hydraulic manifold samples. Last week, Oleos placed an order for 100 pcs of hydraulic manifolds. It was reported that with AAK hydraulic manifold installed on the equipment, the energy consumption decreased by 20%. AAK optimized the hydraulic manifold, including pilot control valve group, 4 two-way plug-in wide control components, valve block and its internal and external connections to form a four-way hydraulic manifold control system, which has 3 features: 1. AAK hydraulic manifold adopts horizontal structure, with 4 main channels and several pilot control channels, multiple internal mounting surfaces and 2 external mounting surfaces. 2. The top of the AAK hydraulic manifold block is equipped with a boss for installation, a boss type step surface consisting of the boss and 2 parallel finishing planes, a mounting surface of the boss's convex part, 2 groups of pilot control valve groups are installed, and a mounting surface of the plane with parallel boss planes is installed. First, 2 two-way cartridge valve control components are installed, and a flange type control cover plate is provided. 3. On the front of AAK hydraulic manifold block, two other two-way cartridge valve control components are installed. The finishing mounting surfaces on the left and right sides are provided with two control oil ports for the main passage and connecting holes for installing bolts. The bottom and back of the valve block are external mounting surfaces, which are used as the orifices and connecting mounting surfaces of the output ports of the main channel, and mounting surfaces for auxiliary installation and connection. This optimized hydraulic manifold can ensure the maximum part of the control requirements, including the differential circuit and flow regeneration, and is conducive to the layout and direction selection of the input and output pipelines. The most important thing is to greatly reduce the hydraulic resistance and save the energy consumption of the system. AAK hydraulic manifold has tricks to reduce energy consumption. You can also try a small order! https://www.aakindustry.com/info-det , ail/hydraulic-manifolds-aak451