With the use of adjusted bearing clearance
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| Time：2016.09.03 News Sources：Shandong Xinkaite bearing Co.,Ltd. Views：
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Even the eyes can not see the small dust, will give NSK Bearings adversely affected. Therefore, to keep the surrounding clean, so that the dust will not invade bearings.
Bearing in use to give a strong impact, it will have scars and indentations, a cause of the accident. In severe cases, it will crack, break, care must be taken.
Avoid working with existing tools instead of NSK Bearings, you must use the right tools. We often emphasize the importance of the tool, because there are too many clients using the wrong tool in the installation resulting in bearing damage.
The shaft and the bearing housing, the bearing requires a fixed position in three directions radial, axial and tangential direction. Radial and tangential positioning by tight fit NSK bearing rings achieve mining, axial positioning only in a few cases were a tight fit; commonly used axial spacing parts, cap and collar or the like, such as axial position defined within clearance range.
Should be chosen with the focus on the following four points:
(1) the peripheral surface of the bearing rings should have good support and even by force, to reduce the distortion, and give full play to the carrying capacity of the bearing.
(2) rings can not slide in its mating surface in a tangential direction, otherwise it will damage the mating surfaces.
(3) the free end of the bearing must be able to change the length of the shaft and the bearing hole adapt, which must have the ability to accommodate axial position within a range of swimming.
(4) must be taken so that the bearing installation and removal easy, saving time saving time and labor costs. Operation NSK Bearings, the hands sweat will become rusty reasons. Pay attention to clean hands operation, the best possible wear gloves.
Bearing life with the care and maintenance has a very important relationship, because it is related to the length, the efficiency level of bearing life. Maintenance of good used NSK Bearings, will bring a lot of benefit, for example, can bring high productivity to produce higher quality products and precision, several maintenance can extend the life you once again to save the procurement cost.
1 adjustment shim method:
Between the bearing cap and the bearing end faces fill put a set of soft material (soft or flexible sheet steel) gaskets; adjustment, first hold the gasket mounted on the bearing cap, evenly tighten the side bearing end caps screw hand side of the axis of rotation, until the bearing rolling elements in contact with the outer ring and the shaft inside without a gap so far; then measure the bearing cap and the bearing clearance between the end faces, plus NSK bearings in the normal work needed axial clearance; this is required to fill the place of the total thickness of the gasket, and then prepared to fill pads placed between the bearing cap and the bearing end face, and finally tighten the screws.
2 adjusting bolt method:
The pressure ring is pressed against the bearing outer ring, adjusting bolt pressure; pressure adjustment before the first pitch to measure the adjustment bolts, and then slowly tighten the adjustment bolt until the internal bearing no gap so far, and then calculate adjustments bolt corresponding rotation angle. For example pitch of 1.5mm, the normal operation of the bearing clearance required, then adjust the desired angle of rotation bolt 3600 × 0.15 / l.5 = 360; then reverse the adjustment bolt 360, NSK Bearings will get a 0.5mm axial gap, then stop gasket to be fixed.
With grease lubricated bearings flow after running 1500 hours should be replaced grease filling the oil in moderation, because too little or too much grease will cause bearing heating, refueling general grasp in the bearing chamber volume of 1/2 ~ 2/3 is appropriate.
However, the use of lubricating NSK bearings, oil should be added to the corresponding provisions of the position;
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