Heat Installation: With the bearing size increases, the force required to install the bearings were also significantly increased. Therefore, in the cold state to install a larger bearing is generally not possible. Therefore, the bearings, the inner or the bearing housing (such as wheels) are required before installing heating. Bearing ring and shaft or bearing housing temperature difference between the requirements and the amount of interference depends on the diameter of the bearing base. Bearing heating, the temperature should not exceed 125 ° C; otherwise the bearing material can cause changes in the structure size changes. Equipped with a dust cover or seal the bearing, the use of grease filling or sealing materials, heat should not exceed 80 degrees Celsius.

        Cold-install: If you are not too tight with the installation of small bearings, used a hammer gently tap the circle on the surface of the sleeve bearing, the bearing into place. Percussion force should be evenly distributed along the ring, to prevent the bearing tilt or skew. Do not use the mounting sleeve and red cap, can be installed in the center of force is applied.

        If you are non-separable type bearings pressed into the shaft and push it into the box while the shaft hole, then, must be applied evenly to the two rings installed power, the installation tool must be adjacent to surface in the same plane. In this case, the bearing assembly tool should be used to make an impact inside and outside the circle of the ring and the side adjacent, and the sleeve can be installed in the center of force is applied.

         For self-aligning bearing CARB bearings, the bearings in the shaft with shaft hole into the box, use the middle ring to prevent installation of tilt and rotate the outer ring. It should be remembered that some dimensions of self-aligning ball bearings Ball bearing protruding from the side, so the middle rings should be installed recessed to prevent damage to the ball.

         For the separable type bearings, inner and outer rings can be installed separately, thus simplifying the installation process, especially when the rings are required, especially when the interference fit. Already in place in the inner shaft into the outer ring of the bearing box included, must pay attention to see whether the right of the inside and outside the ring, to avoid scratching the bearing raceways and rolling elements.

         Seiko Japan has developed a high-speed spindle with angular contact ball bearings. The numbers for the 40 spindle taper, spindle diameter of 65mm, in order to increase the pre-lubrication oil and gas under the conditions of constant pressure to achieve a global 40,000 rpm maximum speed, and reduce noise and air consumption.

        Before the oil lubrication mode, if high-speed rotation will produce wind screen (Air Curtain). This not only makes it difficult to enter the lubricant inside the bearing, lead to insufficient lubrication, but also produce wind To solve these problems, Spin shot bearing outside diameter with a tilt from the site within the supply lubricant to the bearing ways. Therefore, oil can not hinder the wind screen, smooth entry into the bearing interior.

        New improved nozzle structure, set up by the circular groove to reduce the pressure to reduce the wind .Noise than the previous oil lubrication to reduce 3dB (A). As in the case of small gas flow can supply oil to the bearings inside, so air consumption only 10NL / min, reduce to the previous 1 / 2.

 



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