https://maynenkhitrucvit.com.vn/en/news/technology/ vi Thu, 3 Jan 2019 04:01:00 GMT Thu, 3 Jan 2019 04:01:00 GMT https://maynenkhitrucvit.com.vn/en/rss/ https://maynenkhitrucvit.com.vn/uploads/logo_4fb9ca99fae2942f256b229062eefe34.jpg https://maynenkhitrucvit.com.vn/en/news/technology/ 45 https://maynenkhitrucvit.com.vn/en/news/technology/why-should-we-use-air-filter-for-compressed-air-system-179.html Thu, 3 Jan 2019 04:01:00 GMT The compressed air filter is very popular and widely used in compressed air systems. It brings a huge and significant advantage, but in fact, some factories do not use compressed air filters, why? Why should we use Air Filter for compressed air system? If we do not use, does it affect anything? Benefits when using compressed air filter? How long does it take to replace the filter? we would like to answer those question with the following article.]]> https://maynenkhitrucvit.com.vn/en/news/technology/the-air-compressor-making-loud-noise-178.html Thu, 3 Jan 2019 04:01:00 GMT Using air compressors in long time without peridical maintenance or incorrect maintenance will cause some problems that affect the manufacturing proccess of factory. In this article the problems of making strange sound during air compressor operation will be introduced.]]> https://maynenkhitrucvit.com.vn/en/news/technology/hitachi-air-compressor-repair-177.html Thu, 3 Jan 2019 01:01:00 GMT During operation and use of Japanese Hitachi Air Compressor - HISCREW 2000 Series (Type without enclosing air dryer as Model: OSP - 22S5AI, OSP - 22S6AI, OSP - 22M5AI, OSP - 22M6AI, OSP - 37S5AI , OSP - 37S6AI, OSP - 37M5AI, OSP - 37M6AI Type of air dryer included: Model: OSP - 22S5RI, OSP - 22S6ARI, OSP - 22M5ARI, OSP - 22M6ARI, OSP - 37S5ARI, OSP - 37S6ARI, OSP - 37M5ARI, OSP - 37M6ARI). The operator face to some errors that were warned on the control screen of screw air compressor without knowing the reason sometime ??? To answer this question we would like to mention some basic errors that help operators identify and troubleshoot hitachi air compressors quickly and efficiently]]> https://maynenkhitrucvit.com.vn/en/news/technology/finding-the-cause-of-air-compressor-error-part-1-175.html Wed, 2 Jan 2019 09:01:00 GMT During repairing and maintaining process of air compressors for customers, we’re asked many questions such as: Why does the machine run without pressure ?, Why does the discharged air contain a high oil level ?. .. What causes the phenomena: The machine cannot start ?, The current is too high, the pressure increases too high, the air compressor does not stop? ... To solve those questions, we would like to give some following basic reasons:]]> https://maynenkhitrucvit.com.vn/en/news/technology/how-to-detect-the-failure-of-bearing-174.html Wed, 2 Jan 2019 09:01:00 GMT Operating and using process of air compressors (in particular) and machinery equipment using bearings (in general). If a bearing is damaged during operation, it will lead to the entire machine or equipment being damaged. Once the bearings are damaged prematurely or cause unexpected incidents, it is important to be able to identify and predict the failures before processing, so that timely corrective actions can be taken..]]> https://maynenkhitrucvit.com.vn/en/news/technology/finding-the-causes-of-air-compressor-error-part-2-172.html Wed, 2 Jan 2019 09:01:00 GMT https://maynenkhitrucvit.com.vn/en/news/technology/air-compressor-repair-171.html Wed, 2 Jan 2019 09:01:00 GMT https://maynenkhitrucvit.com.vn/en/news/technology/how-to-read-bearing-parameters-170.html Wed, 2 Jan 2019 09:01:00 GMT When using the bearing, we see the parrameter. The information on the bearing is a range of letters and number which shows information of; type of bearing, dimensions, accuracy, and other parameters etc. So, How to understand the parameters correctly, this articale may be useful:]]> https://maynenkhitrucvit.com.vn/en/news/technology/some-common-faults-of-inverter-air-compressor-using-inverter-169.html Wed, 2 Jan 2019 08:01:00 GMT Nowaday, there are many different types of inverters and diffent firms has various types depending on the needs from simple to complex, more and more perfect and improved they are . These inverters may vary in structure and component details but the principle is almost the same.]]> https://maynenkhitrucvit.com.vn/en/news/technology/10-things-need-to-know-when-using-bearing-168.html Wed, 2 Jan 2019 08:01:00 GMT 10 things need to know when using bearing: When using bearing users encounter some problems such as: How to select bearings, How to choose the suitable grease for bearing/ Is it nescessary to add grease for 2-cap bearing? How to correctly fit it? The everage life expectancy of bearing?How to know symptoms of broken bearing? What methods to know the working status of bearing? How to measure the bearing erosion ? Why using staper beaing which is fitted on the sleeve make it broken quickier? Some recommened remedies.What should be done when the inner ring or outer rings rotates on the sharft? To answer these questions, please read the following article:]]> https://maynenkhitrucvit.com.vn/en/news/technology/high-temperature-of-mobile-air-compressor-komatsu-167.html Wed, 2 Jan 2019 08:01:00 GMT Mobile air compressors is movable, suitable and widely used in industries such as construction, mines, bridges ... Due to harsh working conditions in the dirty environment. In order to ensure the machine work stably, a very important issue is regular and periodic maintenance. Currently, Airman and Komatsu (Japan), Keaser (Germany), Sullair (USA), Bolaite (Atlas copco firm), Loyalair (Taiwan), Khaison (China), Elgi (India) are the most popular mobile air compressor in Vietnam]]> https://maynenkhitrucvit.com.vn/en/news/technology/structure-classification-of-bearings-of-air-compressors-166.html Wed, 2 Jan 2019 08:01:00 GMT Bearings consist of outer ring, inner ring, ball roller and retaine. Bearing is made of  chromium carbon and cage is made of hard steel. In order to select a highly approciated bearing, it is necessary to understand the design and characteristics of each of the different types of bearings.]]> https://maynenkhitrucvit.com.vn/en/news/technology/speed-control-methods-of-the-asynchronous-motor-165.html Wed, 2 Jan 2019 08:01:00 GMT How to adjust motor speed? How many methods to adjust motor speed ? Many problems have been studied about adjusting asynchronous motor speed, but generally, there is advantages and disadvantages in asynchronous motor speed adjustment methods and can not solve all problems such as adjustment scope, power consumption, flatness in adjustment and devices]]> https://maynenkhitrucvit.com.vn/en/news/technology/the-special-cases-of-3-phase-asynchronous-motors-164.html Wed, 2 Jan 2019 08:01:00 GMT The unloading condition of the motor is normal. So, In this article some special cases will mentioned . Unload motor (spin without load) or very weak load, weak currents in the motor that do not harm the engine, but waste resource, and low capacity factor and output, causing waste electrical energy . Therefore, the motor had not better to be worked under load or unload .]]> https://maynenkhitrucvit.com.vn/en/news/technology/how-to-detect-the-failure-of-air-compressor-motor-163.html Wed, 2 Jan 2019 08:01:00 GMT Currently, Most air compressor using 3-phase asyncronous motor( high capacity air compressor) and air compressor using 1 phase electric motor( low capacity air compressor). Druring using and operating time , there are many incidents due to eletric motor failure such as: Short circuit, electric motor fire, clogged motor, low load, vibration and quick-heated machine. When you connect to the power supply, the protective equipments are reacted immediately ( Contactor is broken. Engine runs with standard speed but 3 phase electric current is unbalanced ...In order to help you earlier detect symptoms, causes and remedies, this article ís recommended.]]> https://maynenkhitrucvit.com.vn/en/news/technology/6-tips-to-repair-the-1-phase-asynchronous-electric-motor-162.html Wed, 2 Jan 2019 08:01:00 GMT 6 tips to repair the 1 phase asynchronous electric motor : 1 phase asynchronous electric motor is widely applied in daily life such as : washing machine, bumping, grinding mạchine, fans drilling...Low capacity air compressor uses 1 phase asynchronous electric motor such as; air compressor used to pump bicycles, dry motobike after washing...So the repair and maintenace needs is popular. In this article, some symptoms, causes, and remedies of 1 phase asynchronous electric motor which is booted by capacitor are introduced to you.]]> https://maynenkhitrucvit.com.vn/en/news/technology/how-to-check-the-specifications-of-ac-motors-161.html Wed, 2 Jan 2019 08:01:00 GMT Checking periodically specifications of AC motor of air cpompressor in particular and AC motor (in general) is very important and necessary, it helps users to minimize risks such as electric shock, engine fire ... From the checked specifications users can detect of potential risks and have appropriate maintenance plans to increase the lifespan of the Engine and operating safety. In addition, the 3-phase alternating current electric motor with low voltage is assembled, it is necessary to check the technical parameters such as insulation resistor, and load unload current , working speed, etc. .]]> https://maynenkhitrucvit.com.vn/en/news/technology/9-notes-when-replacing-electronic-componients-for-air-compressor-instrument-panel-160.html Wed, 2 Jan 2019 08:01:00 GMT 9 Lưu ý khi thay thế linh kiện điện tử cho màn hình máy nén khíTrong quá trình sử dụng máy nén khí có những lỗi xảy ra tại màn hình điều khiển mà nguyên nhân chỉ hỏng hoặc cháy một số linh kiện điện tử, việc thay thế màn hình điều khiển máy nén khí là rất tốn kém. Do vậy, việc thay thế linh kiện bị hỏng và sử dụng lại màn hình là khả thi. Tuy nhiên khi sử dụng linh kiện điện tử cần chú ý một số vấn đề sau]]> https://maynenkhitrucvit.com.vn/en/news/technology/overheated-screw-air-compressor-159.html Wed, 2 Jan 2019 08:01:00 GMT Due to friction and compression pressure, the compressed air temperature of screw air compressor is maintained at 65ºC - 90ºC. However, after period of use, the compressed air temperature can be up to 95ºC - 110ºC and even higher, causing the machine to stop working. Users should pay attention to this to have an early fix. The cause may be due to one or more of the following factors:]]> https://maynenkhitrucvit.com.vn/en/news/technology/failure-of-handsome-kobelco-screw-air-compressor-158.html Wed, 2 Jan 2019 08:01:00 GMT Failure of Handsome Kobelco screw air compressor]]> https://maynenkhitrucvit.com.vn/en/news/products-and-services/working-safely-with-compressed-air-tank-151.html Wed, 2 Jan 2019 07:01:00 GMT Safely using of compressed air tank is a very important issue, compressed air tank before being used must be tested by KTAT, registered for use following regulations. Users must hand over the managing responsibility the compressed air tank to the equipment manager in writing. Operating of thetanks is only given to people from 18 years old or older, who are physically fit and well-trained. They must be assigned by the employer in writing.]]> https://maynenkhitrucvit.com.vn/en/news/products-and-services/process-of-technical-safety-audition-of-pressure-150.html Wed, 2 Jan 2019 06:01:00 GMT The process of technical safety inspection on average is subject to the pressure of QA: 09 - 2014 / BLDTBXH]]> https://maynenkhitrucvit.com.vn/en/news/technology/bon-van-de-can-biet-khi-su-dung-may-nen-khi-143.html Wed, 2 Jan 2019 04:01:00 GMT Để đảm bảo độ bền, tính ổn định cũng như an toàn khi sử dụng và vận hành máy nén khí trục vít thì việc vận hành đúng quy trình là hết sức quan trọng. Dưới đây là một số lưu ý khi vận hành máy nén khí trục vít.]]> https://maynenkhitrucvit.com.vn/en/news/technology/air-compressor-applications-142.html Wed, 2 Jan 2019 04:01:00 GMT Air compressor applications in industries]]> https://maynenkhitrucvit.com.vn/en/news/technology/initial-start-up-141.html Wed, 2 Jan 2019 04:01:00 GMT How to operate new and old air compressor? In order to meet the market needs, factories make diferent manufacturing plans so the using compressed air need is also various. Beside, Factories often have backup machine( which is for little use) or or companies with seasonal production characteristics, air compressors operate seasonally. For many years of repair and maintenance Air compressors, air dryers we have a lot of trouble cases such as: the machine cannot start, the machine starts up with load is immediately stopped, when the machine is turned on, the contactor is fired ....]]> https://maynenkhitrucvit.com.vn/en/news/technology/how-to-read-the-parameters-of-screw-air-compressor-140.html Wed, 2 Jan 2019 04:01:00 GMT Working with a screw compressor, one of the things that the operator must pay attention to is the compressor's parameters from which to understand the air compressor. There have been many operators who asked us about the meaning of the parameters and symbols written on the air compressor. To help you better understand the symbols on the machine, in this article we show you how to read the parameters of Hitachi air compressors.]]> https://maynenkhitrucvit.com.vn/en/news/technology/control-of-condensate-139.html Wed, 2 Jan 2019 04:01:00 GMT During process of repairing and maintaining the air compressor system for our customers, some questions related to the issue of condensation and discharge usually asked, such as: If the discharge is not stopped and the condensate is not discharged properly How many ways to discharge condensate? How long does it take to discharge the condensed water How many minutes to stop discharging per time, when to stop condensing? How to discharge condensate before starting HISCREW ? .. etc. So,e this article is written with hope to answer some of your questions.]]> https://maynenkhitrucvit.com.vn/en/news/technology/8-notes-while-using-air-compressor-137.html Wed, 2 Jan 2019 04:01:00 GMT https://maynenkhitrucvit.com.vn/en/news/technology/working-principle-of-air-filter-and-pressure-regulator-136.html Wed, 2 Jan 2019 03:01:00 GMT Compressed air is directed into the filter from the pipe connected to port P1. The spiral plate will cause turbulent air flow. Because of this whirlpool, dust particles and water in the compressed air will be subjected to centrifugal force and outward movement, hitting the inner wall of the filter cup and flowing to the bottom of the filter cup. Air flows through the air filter, where they are filtered again before flowing to the pressure regulator.]]> https://maynenkhitrucvit.com.vn/en/news/technology/why-should-compresed-air-loss-be-concerned-135.html Wed, 2 Jan 2019 03:01:00 GMT  Survaying many factories, somethings which many operators ignore is compressed air loss. So, Why should compresed air loss be concerned?, How many losses in compressed air system? Some common causes?]]>