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2015.01.29 14:17

경인FM <라디오스타>

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    شؤكة الثقه 2019.10.26 21:11
    اسعار الحجر الهاشمى بمصر اسعار الحجر الهاشمى فرز اول وتانى
    https://www.altheqa-eg.com/stone-prices/
    الحجر الهاشمي الاختيار الأفضل لواجهات المنازل والفلل أفضل صنعة تركيب وأقل سعرًا
    https://www.dekorishn-altheqa.com/decoration/
    أنواع الحجر الهاشمي بمصر مميزات وعيوب كل نوع وما الأفضل لك
    https://www.altheqa-eg.com/stone-types/
    تعرف على أسعار الحجر الهاشمي في مصر بأشكاله المختلفة
    https://www.altheqa-stone.com/hashmi-stone-prices/
    حجر هاشمي هيصم بأقل تكاليف انتقال فرز أول للديكورات الخارجية والداخلية
    https://www.decoration-altheqa.com/stone-facades/
    حجر هاشمي فرز أول لواجهات الفلل والقصور والعمائر
    https://www.altheqa-stone.com/stone-2020/
    حجر هاشمى هيصم لواجهات المنازل والعمائر فى مصر 2020
    https://www.dekorishn-altheqa.com/modern-stone-2/
    تركيب الحجر الفرعوني لواجهات المنازل والفلل 2020
    https://www.dekorishn-altheqa.com/stone-houses/
    واجهات الحجر الفرعوني في مصر تركيبها بأقل الأسعار
    https://www.altheqa-stone.com/altheqa-stone/
    أفضل شركة لتركيب الحجر البازلت في مصر بأسعار مناسبة واستخدامات متعددة
    https://www.altheqa-eg.com/black-basalt/
    أنواع الحجر البازلت أسعار تركيب الحجر البازلت في مصر 2020
    https://www.decoration-altheqa.com/basalt-altheqa/
    تركيب حجر هاشمى هيصم خطوه بخطوه
    https://www.altheqa-eg.com/%D8%AA%D8%B1%D9%83%D9%8A%D8%A8-%D8%AD%D8%AC%D8%B1-%D9%87%D8%A7%D8%B4%D9%85%D9%89-%D9%87%D9%8A%D8%B5%D9%85-%D8%AE%D8%B7%D9%88%D8%A9-%D8%A8%D8%AE%D8%B7%D9%88%D8%A9/
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    007 2020.02.03 15:20

    INA needle bearing new product: miniaturization and low fric
      Keeping the SKF bearings is an essential condition for bearing procedure, the regular maintenance is for bearing lubrication. Under the facility of understanding the bearing lubrication method, it is additionally essential to recognize the maintenance of the bearing system. Currently, we discover how to do SKF birthing lubrication maintenance.

      The grease made use of in the bearings must have an antitrust impact, and the antirust agent is ideally insoluble in water. Grease needs to have superb adhesion to form an oil movie on the surface of the steel, also if the grease has plenty of water.

      1. Keep SKF Bearings Clean
      2. Check The SKF Bearing Lubricants  
    3. Cover The Subjected Bearings

    NSK-bearings


  • ?
    Bella 2020.05.25 11:56
    NSK bearing products are mainly applied in the following fields: automobile, motor (motor), gear device, injection molding machine, machine tool, mining machinery, construction machinery, motorcycle, office equipment, paper machine, pumps and compressors, railway, semiconductor, metallurgical equipment, wind generators,etc.  
  • ?
    Bella 2020.05.27 09:39

    KOYO Bearing

    A shaft often requires two fulcrums, that is, two sets of rolling bearings for support. The bearing configuration just solves the problem of how the bearing on the fulcrum fixes the shaft system axially, and how to avoid the bearing from jamming after thermal expansion. Based on the understanding of bearing knowledge, Eric Bearing Limited shares the typical knowledge of bearing configuration and hopes to help everyone.

    Before we configure, we must understand some points related to bearings: The expansion and contraction of the shaft caused by temperature changes.

    Bearings are easy to install and disassemble. The tilt of the inner and outer rings due to shaft deflection and installation errors.

    The method of reading and preloading of the entire rotating system including bearings. Bear and transfer loads at the most suitable location.

  • ?
    Bella 2020.07.03 10:12

    INA bearing selection summary
    The market requirements of various mechanical devices and instruments that use rolling bearings are becoming stricter, and the requirements and performance of bearings are also becoming more diversified. In order to select the most suitable bearing from the numerous structures and sizes, it is necessary to study from various angles.
     
    When selecting an INA bearing, the bearing arrangement, ease of installation, and disassembly as a shafting, the space allowed by the bearing, the size, and the marketability of the bearing are generally considered, which roughly determines the bearing structure. Secondly, while comparing the design life of various machines using bearings and the various endurance limits of the bearings, the bearing dimensions are determined. When choosing an INA bearing, it is often biased to consider only the fatigue life of the bearing, and the grease life, wear, and noise caused by grease aging also need to be fully studied. Furthermore, according to different applications, it is necessary to select the bearings with special requirements for accuracy, clearance, cage structure, grease, etc. However, there is no certain order and rules for selecting INA bearings. The priority should be the conditions, performance, and most related matters that are required for the bearings, which is especially practical.
     
    Influence of external conditions on INA bearings
    Vibration can be said to be quite sensitive to damage to INA bearings, and flaking, indentation, rust, cracks, wear, etc. will be reflected in the INA bearing vibration measurement. Therefore, the size of the vibration can be measured by using a special bearing vibration measuring device (frequency analyzer, etc.), and the specific circumstances of the abnormality cannot be inferred by the frequency division. The measured value differs depending on the use condition of the bearing or the installation position of the sensor, etc. Therefore, it is necessary to analyze and compare the measured value of each machine in advance to determine the judgment standard.
     
    High temperature is also harmful to the lubricant of INA bearings. Sometimes INA bearing overheating can be attributed to INA bearing lubricant. Long-term continuous rotation of bearings at temperatures exceeding 125 ° C will reduce bearing life. The causes of INA high temperature bearings include: insufficient lubrication or excessive lubrication, lubricants. It contains impurities, excessive load, INA bearing damage ring, insufficient clearance, high friction caused by oil seal and so on.
  • ?
    007 2020.08.07 10:17
    <a href=https://www.nanotrun.com/carbide-powder_0032">Carbide powder</a>
    Carbide powder is a binary compound formed by carbon (other than hydrogen) which is smaller or similar to electronegativity. Carbides have a higher melting point. Most carbides are carbon and metal at high temperatures. The next reaction is obtained. The properties of the element are divided into metal carbides and non-metal carbides.Luoyang Trunnano Tech Co., Ltd provide high purity nano-materials and elementary substance materials, including nano silicon powder, nano diamond powder, nano boron powder, nano graphite powder and other ultrafine metal materials.

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