Pedestal Crane Slew Ring

32 33 meter working radius.

Pedestal crane slew ring.

Effer can satisfy all your needs both if you want a rack and pinion crane and a slewing bearing crane. We have manufactured offshore pedestal mounted crane deck crane slew ring bearing mounted with capacity ranging from 5mt to 50mt and boom length up to 60 meters. The crane is designed for efficient and accurate offshore sub sea load handling of general cargo at max. Light weight pedestal crane slew ring replacement slewing bearing without gear.

A slewing bearing or slew ing ring is a rotational rolling element bearing that typically supports a heavy but slow turning or slow oscillating load often a horizontal platform such as a conventional crane a swing yarder or the wind facing platform of a horizontal axis windmill. Slewing rotating turret slew ring connection fixed pedestal fig 1 the general movement of a pedestal crane wire ropes structures machinery usually a hoist wire and a luffing wire although on some cranes the luffing of the jib might be by means of one or two hydraulic cylinders and various ancillary equipment. On the other hand the slewing ring system allows the crane to rotate continuously and without limits. The crane is designed with a general crane dynamic factor of 1 4 and a pedestal slew ring fasteners is designed with dynamic factor of 2 0 according to dnv requirement for offshore crane.

Alatas was able to source and supply the bearings in a short space of time approximately 3 months and installed them on the mitsubishi deck cranes using a floating crane. They are made to withstand. Light flanged greased slewing ring bearing for pedestal crane 5 0 reviews packaging bottling industry are synonymous of high productivity link with very high technology process xuzhou wanda slewing bearing co ltd has developed in accordance with those high requirements slewing rings with large diameters for higher higher productivity and. Alatas singapore recently carried out the replacement of four sets of crane slew ring bearings for mitsubishi deck cranes at our singapore anchorage.

To slew means to turn without change of place compared to other rolling element bearings slewing bearings. Slewing drive has reverse self locking because of worm gear drive with reverse self locking characteristics. 1 slewing bearing is a kind of comprehensive load which can be withstand the larger axial and radial load and tilting moment. Effer rack system ensures a crane rotation angle exceeding 360 that on average is one of the widest in its category.

The slew drive working principle. The worm is driven by the motor which drives the outer ring of the slewing ring to rotate.