The Light Slewing Bearing SD.1400.32 Working Principle of Slewing Ring

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The Light Slewing Bearing SD.1400.32 Working Principle of Slewing Ring

Slewing ring is also called "slewing ring" because its shape is similar to a plate. Its diameter is usually 100 ~ 5000mm. It is a large bearing that can bear axial and radial loads and overturning moments. The slewing bearing is composed of installation hole, inner gear ring or outer gear ring, isolation block, cage, lubricating oil hole and sealing device, so it can make the design structure of the host compact, simple guidance and easy maintenance.

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Product Description

The light slewing bearing has the same structure form as the ordinary slewing bearing, with light weight and flexible rotation. Widely used in food machinery, filling machinery, environmental protection machinery and other fields.

1. Slewing bearing support structure

The slewing bearing rolling elements are usually separated by individual nylon spacers. This structure can maintain the smoothness of the movement, and the price is low, so it is widely used. Special applications need to use special ball or roller isolation blocks, such as copper, aluminum and other high-temperature isolation. Generally, bearings installed on horizontal shafts or continuously rotating generators and slewing bearings used in occasions with high requirements for positioning and reliability can use strip combined cages to keep the rolling elements in the correct position. Circumferential position, higher reliability.

2. Working principle of slewing ring

The working principle of the slewing bearing is very simple: the way to move the object is from sliding to rolling to reduce frictional resistance.

Specifically, the slewing bearing mainly relies on lubrication and friction to achieve the results of operation. Internally, it relies on the friction between the balls and the steel ring to achieve the purpose of operation. On the outside, it also relies on the friction of the slewing bearing and other parts to start operation and rub against each other, thereby driving the operation of the object. Because it is mostly used to carry heavy and large objects, its centripetal force is very demanding, which is also determined by its working principle, so in terms of materials, it also needs to be able to ensure the quality of steel.

Of course, friction alone is not enough. Although it depends on friction to operate, lubrication is also essential. Just like a bicycle chain, it takes a long time and excessive friction will affect the use of parts. Therefore, after using this kind of bearing for a period of time, it is necessary to carry out maintenance in time and brush some lubricating oil to ensure that it can work in a more suitable environment.

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Floowing slewing bearing size information :

Note:
1. n1 is the nos of lubricating holes.Oil cup M8×1JB/T7940.1~JB/T7940.2.The Oil nipple's location can be change according to the user's application.
2. "Km" is addendum reduction.

Model DL	Wght	Dimensions			Mounting dimension							Structural dimension					Gear data					Gear		Clearance
																						circumferential
	kg																					force
		D	de	H	D1	D2	na	Φ/M	ni	Φ/M	t	n1	D3	d1	C	Hu	d	m	z	b	k.m	Allowed	Max	Axial	Radial
		mm	mm	mm	mm	mm	na	mm	ni	mm	mm	n1	mm	mm	mm	mm	mm	mm	mm	mm	mm	KN	[KN]	Axial	Radial
H-231.20.0414	29	504	304	56	455	332	10	M12	24	18	20	4	412.5	415.5	375	10.5	495	5	99	45.5	-0.5	11.75	23.5	≤0.5	≤0.5
H-231.20.0544	39.2	640.8	434	56	585	462	14	M12	28	18	20	4	542.5	545.5	505	10.5	630	6	105	45.5	-0.5	14.2	28.4	≤0.5	≤0.5
H-231.20.0644	47.2	742.8	534	56	685	562	16	M12	32	18	20	4	642.5	645.5	605	10.5	732	6	122	45.5	-0.6	14.2	28.4	≤0.5	≤0.5
H-231.20.0744	53.1	838.8	634	56	785	662	18	M12	32	18	20	4	742.5	745.5	705	10.5	828	6	138	45.5	-0.6	14.2	28.4	≤0.5	≤0.5
H-231.20.0844	64.7	950.4	734	56	885	762	18	M12	36	18	20	4	842.5	845.5	805	10.5	936	8	117	45.5	-0.8	18.93	37.86	≤0.5	≤0.5
H-231.20.0944	69.1	1046	834	56	985	862	20	M12	40	18	20	4	942.5	945.5	905	10.5	1032	8	129	45.5	-0.8	18.93	37.86	≤0.5	≤0.5
H-231.20.1094	82.5	1198	984	56	1135	1012	22	M12	40	18	20	4	1093	1095.5	1055	10.5	1184	8	148	45.5	-0.8	18.93	37.86	≤0.5	≤0.5