How to correctly install the slewing bearing

Source: China Bearing Network Time: 2018-05-06

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1. Before the slewing bearing device of the slewing bearing; first check the device surface of the main machine; the required supporting member should have the required strength; the connecting surface should be machined; the outer surface is smooth without debris and burrs. The flatness required; the special plastic with high writing strength can be used as the filler; to ensure the accuracy of the plane of the device and to reduce vibration.
The ferrule bearing ferrule has a quenching soft belt zone; this has the symbol "S" on the end face of the ferrule; the device should be placed in a non-load zone or a very normal load zone (the plug hole is always soft) With).
When installing the slewing bearing; it should be positioned in the radial direction; insert the tightening device bolt; and check the reverse condition of the bearing. The tightening force should be satisfied when tightening the bolt; the pre-tightening force should be 70% of the bolt data yield limit. Bolts shall be fitted with tempered flat washers and the use of spring washers shall be prohibited.
2, the slewing bearing protection device and the slewing bearing put into operation after 100 hours of continuous operation; should all check the pre-tightening torque of the device bolt can meet the demand; in the future, repeat the above-mentioned inspection once every 500 hours.
The slewing bearing device should be filled with excess grease at the end; and the bearing should be reversed while filling to make the grease evenly distributed. After the slewing bearing is in operation for a period of time; inevitably, a part of the grease will be lost; The bearing should make up one grease after 50~100 hours per distance.
3, the slewing bearing transport and storage of the bearing in the process of transport; should be placed horizontally on the vehicle; should have ways to avoid slipping and avoid oscillation; if necessary, add support.
The bearings should be placed horizontally in a dry, ventilated and leveled place; they should be separated from chemicals and other corrosive materials during storage. If multiple sets of bearings are required to be stacked, each set should be placed evenly along the circumferential direction. More than one level of flat wooden blocks; and the upper base blocks are placed together.
Bearings that need to be continuously stored beyond the anti-rust period; should be removed from the head and rust-proof disposal.

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