News

  • How to use the outer spherical bearing?

    The outer spherical bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of alignment. When ...
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  • How to extend the service life of outer spherical bearings?

    In the bearing work, heating is a common problem, and there are many factors that cause the high temperature of the outer spherical bearing. Relatively speaking, there are mainly the following five kinds of common heating. After understanding the different factors that cause the outer spherical b...
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  • Bearing housing maintenance and care

    The bearing seat is the bearing seat of the main drive reducer of the coal mill in a boiler plant of a thermal power plant. The reducer transmits a large torque. During the long-term operation, there is a gap between the bearing housing of the Ⅰ shaft and the outer ring of the bearing, which caus...
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  • Bearing installation steps

    Motor bearing 1. Requirements for cleaning, inspection and insulation pads 1. Cleaning and inspection of bearing bush The large motor bearings are shipped in separate boxes. After unpacking, the upper and lower tiles are removed and marked with a ring screw and cleaned with kerosene. Wipe dry wit...
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  • Basic requirements for linear guide design

    1.Steering accuracy The guiding precision refers to the accuracy of the movement trajectory of the moving member as it moves along the guide surface of the guide rail. The main factors affecting the guiding precision are the geometrical accuracy of the guide surface of the guide rail, the type of...
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  • Life expectancy

    When the linear guide rail is subjected to load and is moving, the surface of the bead and the steel ball are constantly subjected to cyclic stress. Once the critical value of rolling fatigue is reached, the contact surface will start to be fatigue-damaged and the fish scale will appear on some s...
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  • Tbi ball screw maintenance:

    The linear axes of modern CNC machine tools are mostly driven by ball screw nut. The transmission accuracy of the ball screw nut pair directly affects the running precision and machining quality of CNC machine tools. The related faults of the ball screw nut will cause the CNC machine tool to have...
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  • The characteristics and application of linear motor

    1. Generally, the linear motor is rotating when it is working. However, vehicles driven by rotating electric motors (such as electric motor cars and electric trains in the city) need to be linearly moved, and some parts of the machine driven by the rotating electric motor also need to be linear. ...
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  • How to use BUN ball screw support unit

    The ball screw support is a bearing support for supporting the connecting screw and the motor. The support is generally divided into: fixed side (plus K for example, such as BK12) and support unit (for F, such as BF12). JIS grade 5 angular contact ball bearings. The ball screw support seat is equ...
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  • The chief instruction for BUN ball screw support unit

    The industry standard models of BUN screw support are divided into four series: AK, BK, EK and FK. The AK series is square high shoulder single countersunk hole fixing, BK series is square high shoulder double countersunk hole fixing, EK series is low shoulder single through hole fixing, FK serie...
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  • BUN support unit type and installation steps

    Today, the BUN brand was popular worldwidely from 2007. our company was processing a screw support for a Japanese brand in the early period! The BUN brand also manufactures screw-on square lock nuts, which are the old-name manufacturers in Dongguan. Today I would like to introduce you the common...
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  • Join us

    Join us

    BUN officially launched the recruitment of regional agents in the world in 2019. For those customers who have sales experience in the automation industry and are interested in the high quality products produced by our company, please contact us as soon as possible, we will give you the greatest s...
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