Gas-liquid parallel lubricating method for common sliding guide rail
A sliding guide rail, an ordinary technology, applied in metal processing equipment, maintenance and safety accessories, metal processing machinery parts, etc., can solve the problems of insufficient precision of large machine tools, complex technology cost, low manufacturing level, etc., to achieve simple transformation and reduce drive Power, wear reduction effect
Inactive Publication Date: 2021-07-23
烟台市科达数控装备有限公司
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Problems solved by technology
Due to the low manufacturing level of domestic machine tools, these defects are particularly obvious. Some large machine tools have insufficient precision after one to two years, and even new machine tools have problems after a few months of use, causing heavy losses.
Since the 1960s and 1970s, China has had the experience of using hydrostatic technology to transform large-scale machine tools, but it has not been popularized because of its complicated technology and high cost. Today, CNC is popularized, but the chronic problem of guide rails remains.
Method used
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0020] refer to Figure 1-4 , the present invention is an improved method based on a common sliding guide rail pair. The guide rail pair contains two parts, one long and one short. , in the present invention, the surface of the sliding table guide rail is divided into two areas by the open groove 7 along the moving direction, the open groove 7 is directly connected with the outside atmosphere, and one area maintains the original oil drip lubrication method, and the oil hole 3 and the oil distribution groove 4 are opened, which is called Oil lubrication area; another area is provided with air inlet 5 and closed air distribution groove 6, and the air distribution groove 6 does not directly lead to the atmosphere, which is called the air film lubrication area. Compressed air enters the air distribution through the air inlet 5 The groove 6 escapes into the atmos...
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The invention relates to a gas-liquid parallel lubricating method for a common sliding guide rail. On the basis of a common sliding guide rail pair, two areas are divided on a sliding table guide rail surface in the movement direction, a normal-pressure oil dripping lubrication mode in the prior art is reserved in one area, an air inlet hole and an air distribution groove are formed in the other area, compressed air is introduced, pressure air film lubrication is formed, and the two areas are separated through an open groove. The friction resistance of the guide rail can be obviously reduced, the driving power is reduced, the service life of a machine tool is prolonged, and particularly, transformation is easy, and the method has great popularization value for machine tools provided with a large number of common sliding guide rails.
Description
technical field [0001] The invention belongs to the equipment manufacturing industry and the technical field of ordinary sliding guide rails, and relates to a lubricating method for ordinary sliding guide rail pairs—a parallel lubrication method of pressure gas film and normal pressure oil. Background technique [0002] The guide rail pair, referred to as the guide rail, is a guiding support component, and its function is to support and limit the movement of the moving parts according to the given movement requirements and the specified movement direction. It is the basic component of the machine tool. Among them, ordinary sliding guide rails (referring to the classification of boundary friction according to the friction properties) are the most widely used. Because of its simple structure, low construction threshold, low cost of use, and large load characteristics, it is still widely used in newly built machine tools, and with a huge inventory, it can be said that most mach...
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IPC IPC(8): B23Q11/12
CPCB23Q11/124B23Q1/017
Inventor 牟志斌
Owner 烟台市科达数控装备有限公司