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Management of the use of the lubricant
2014/8/11
First, the selection of the distribution of lubricants
The selection of the lubricants is the first step in the use of the lubricants. It is the key to ensure the proper lubrication of the equipment and to fully utilize the performance of the lubricant.
1. The selection of the distribution of lubricants should take into account the following three elements:
1) Working conditions (ie working conditions) when the mechanical equipment is actually used;
2) Designation or recommendation of the manufacturer's instructions;
3) Distribute the regulations or recommendations of the lubricant manufacturer.
2. Selection of performance indicators of the lubricant
1) Viscosity
Viscosity is an indicator of the classification and classification of various grades of lubricants, which is decisive for quality identification and determination. The equipment is selected with the viscosity of the distribution lubricant according to the design or calculation data to determine the relevant chart.
2) Pour point
The pour point is an indicator of the low temperature fluidity of the lubricant during storage and use. Experience has shown that the temperature of the general lubricant must be 5~10 °C higher than the pour point.
3) Flash point
The flash point is mainly a safe indicator for the storage and use of the lubricant, and also serves as an indicator for controlling the distribution of lubricant fractions and volatility during production. The principle of the distribution of the lubricant flash point indicator is to maintain a safety factor of 1/2, which is 1/2 higher than the actual use temperature. For example, if the engine oil temperature of the internal combustion engine oil tank does not exceed 120 °C, the diesel engine oil flash point is required to be at least 180 °C.
4) Selection of performance indicators
There are many performance indicators, and the gaps between different varieties are very different. It is reasonable to decide the working conditions of the integrated equipment, the requirements of the manufacturer and the description and description of the oil. Efforts are made to meet both lubrication technical requirements and economic rationality.
Second, the proxy of the distribution of lubricants
1. Different types of conductive lubricants have their own particularities or differences in performance. Therefore, it is required to correctly and rationally select the transmission of lubricants to avoid substitution, and it is not allowed to use them.
2. The principle of sending lubricants on behalf of
1) Try to use the same type of oil or oil with similar properties.
2) The viscosity should be equivalent. The viscosity of the substitute oil should not exceed ±15% of the original oil. Priority should be given to the oil with a slightly higher viscosity.
3) Quality is low and low.
4) When selecting alternative oils, care should be taken to consider the environment and operating temperature of the equipment.
Third, the mixing of the distribution of lubricants
1. Different types of grades, different manufacturers, new and old oils should be avoided as much as possible. The following oils are absolutely prohibited from mixing.
1) Military special oils and special oils cannot be mixed with other oils.
2) Oils with anti-emulsification properties must not be mixed with oils that are not required for anti-emulsification.
3) Anti-ammonia turbine oil must not be mixed with other turbine oils.
4) Zn-containing anti-wear hydraulic oil cannot be mixed with anti-silver hydraulic oil.
5) Gear oil cannot be mixed with worm gear oil.
2. The following situations can be mixed:
1) The same quality of similar products of the same manufacturer.
2) The same manufacturer has the same brand of different products.
3) Different types of oils, if you know that the two components are mixed, do not contain additives.
4) Different types of oils have been mixed and tested without abnormal phenomena and obvious performance changes.
The selection of the lubricants is the first step in the use of the lubricants. It is the key to ensure the proper lubrication of the equipment and to fully utilize the performance of the lubricant.
1. The selection of the distribution of lubricants should take into account the following three elements:
1) Working conditions (ie working conditions) when the mechanical equipment is actually used;
2) Designation or recommendation of the manufacturer's instructions;
3) Distribute the regulations or recommendations of the lubricant manufacturer.
2. Selection of performance indicators of the lubricant
1) Viscosity
Viscosity is an indicator of the classification and classification of various grades of lubricants, which is decisive for quality identification and determination. The equipment is selected with the viscosity of the distribution lubricant according to the design or calculation data to determine the relevant chart.
2) Pour point
The pour point is an indicator of the low temperature fluidity of the lubricant during storage and use. Experience has shown that the temperature of the general lubricant must be 5~10 °C higher than the pour point.
3) Flash point
The flash point is mainly a safe indicator for the storage and use of the lubricant, and also serves as an indicator for controlling the distribution of lubricant fractions and volatility during production. The principle of the distribution of the lubricant flash point indicator is to maintain a safety factor of 1/2, which is 1/2 higher than the actual use temperature. For example, if the engine oil temperature of the internal combustion engine oil tank does not exceed 120 °C, the diesel engine oil flash point is required to be at least 180 °C.
4) Selection of performance indicators
There are many performance indicators, and the gaps between different varieties are very different. It is reasonable to decide the working conditions of the integrated equipment, the requirements of the manufacturer and the description and description of the oil. Efforts are made to meet both lubrication technical requirements and economic rationality.
Second, the proxy of the distribution of lubricants
1. Different types of conductive lubricants have their own particularities or differences in performance. Therefore, it is required to correctly and rationally select the transmission of lubricants to avoid substitution, and it is not allowed to use them.
2. The principle of sending lubricants on behalf of
1) Try to use the same type of oil or oil with similar properties.
2) The viscosity should be equivalent. The viscosity of the substitute oil should not exceed ±15% of the original oil. Priority should be given to the oil with a slightly higher viscosity.
3) Quality is low and low.
4) When selecting alternative oils, care should be taken to consider the environment and operating temperature of the equipment.
Third, the mixing of the distribution of lubricants
1. Different types of grades, different manufacturers, new and old oils should be avoided as much as possible. The following oils are absolutely prohibited from mixing.
1) Military special oils and special oils cannot be mixed with other oils.
2) Oils with anti-emulsification properties must not be mixed with oils that are not required for anti-emulsification.
3) Anti-ammonia turbine oil must not be mixed with other turbine oils.
4) Zn-containing anti-wear hydraulic oil cannot be mixed with anti-silver hydraulic oil.
5) Gear oil cannot be mixed with worm gear oil.
2. The following situations can be mixed:
1) The same quality of similar products of the same manufacturer.
2) The same manufacturer has the same brand of different products.
3) Different types of oils, if you know that the two components are mixed, do not contain additives.
4) Different types of oils have been mixed and tested without abnormal phenomena and obvious performance changes.
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