the reason of Germany FAG bearing too high temperature
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Typically, FAG bearing with the bearing operating temperature slowly began to rise after 1-2 hours to reach steady state. The normal temperature of the bearing due to the heat capacity of the machine, heat dissipation, speed and load. Lubrication, suitable mounting part, abrupt bearing temperature will rise, there will be unusually high temperatures, then have to stop running, take the necessary precautions.
Using the thermal sensor can always monitor the operating temperature of the FAG bearings, and alarm or stop automatically when the temperature exceeds the specified value to prevent the burning shaft accident occurred.
High temperature is often said that the FAG bearing is in an abnormal situation. The high temperature is also harmful to the bearing lubricant. Sometimes bearing overheating can be attributed to the lubricant in the bearing. FAG bearings in more than 125 ℃ temperature long-term even transfer to reduce bearing life. Caused by high temperature FAG Bearings for reasons including: lack of lubrication or excessive lubrication, lubricants. Containing impurities, the load is too large, bearing loss of the ring, lack of space, and oil seals produce high friction.
FAG bearings on continuous monitoring of temperature is necessary, FAG bearings, whether measuring bearings or other important parts. If you are under the same operating conditions, any temperature change has failed.
FAG bearing temperature regularly measured by means of a thermometer, digital thermometer to accurately measure the bearing temperature and displayed according to the given unit of ℃ or Fahrenheit. The importance of FAG bearings, which means that when it is damaged, can cause equipment downtime, so this type of bearing is best should be retrofitted with a temperature probe. Under normal circumstances, FAG bearings in just lubrication or re-lubrication after there will be a natural rise in temperature and lasts one to two days.
Typically, the bearing operating temperature above 150 ° is called high-temperature bearings, chromium bearing steel using the temperature exceeds 150 °, and its hardness will be a sharp decline in the size instability, FAG Bearings not working properly. So for the working temperature of 150 ° to 350 ° under the conditions of work, FAG bearings, rings and rolling element still use ordinary carbon chromium bearing steel, must FAG bearings parts a special tempering process, should generally be higher than Operating temperature 50 ° tempering. Bearing steel tempered in accordance with the above requirements, the normal operating temperature. However, tempering hardness decreased, FAG bearing life decreased.
(1) the production of clean heat treatment heat treatment of wastewater, waste gas, waste salt, dust, noise and electromagnetic radiation and so on causes environmental pollution. Solve the heat problem of environmental pollution, the implementation of the clean heat treatment (or green heat treatment) is one of the direction of the heat treatment technology of developed countries. To reduce emissions of SO2, CO, CO2, dust and cinder has been basically put an end to the use of coal as fuel, heavy fuel oil use less and less in favor of the majority of light oil, natural gas is the ideal fuel. Has reached a very high level waste heat utilization of the combustion furnace, burner structure optimize and air - fuel ratio of strict control to ensure reasonable combustion under the premise of the NOX and CO reduced to a minimum; gas carburizing, carbonitriding and vacuum heat treatment technology alternative to salt treatment to reduce the waste salt containing CN-toxic water pollution; synthetic water-soluble quenching oil instead of part of the quenching oil, the use of biodegradable vegetable oil instead of part of mineral oil to reduce oil pollution.
(2) precision heat treatment precision heat treatment has two meanings: the one hand, the requirements are based on the use of parts, materials, structure size, the use of the knowledge of physical metallurgy and advanced computer simulation and testing technology, optimization of process parameters to achieve the required performance or maximize the potential of the material; the other hand, to ensure full optimization of process stability, product quality dispersion is small (or zero) and heat treatment distortion is zero.
(3) scientific production of energy-saving heat and energy management, energy efficient use of the most potential factors, the establishment of a specialized heat treatment plant in order to ensure full capacity, give full play to the equipment capacity is the choice of scientific management. Structure of heat energy, first choice of primary energy; take full advantage of waste heat, waste heat; use of low power consumption, short cycle process instead of a long cycle, energy-consuming process.
(4) with little or no oxidation heat treatment by using the heat treatment of the protective atmosphere heating alternative heating, precise control of carbon potential, nitrogen potential of controlled atmosphere to improve the performance of parts after heat treatment, heat treatment defects such as decarbonization, cracks, etc. greatly reduce the oxidation of the atmosphere heated to after finishing allowance to reduce and improve the efficiency of utilization of materials and machining. Vacuum plus hot gas quenching, vacuum or low pressure carburizing, nitriding, nitrocarburizing and boriding can significantly improve quality and reduce distortion, and increased life expectancy. FAG bearing parts of the heat treatment quality control in the whole machinery industry is the most stringent.
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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The temperature of FAG bearings, general bearings outside the room temperature can be inferred, if the hole can be measured directly FAG import bearing outer ring temperature is more bit appropriate.Typically, FAG bearing with the bearing operating temperature slowly began to rise after 1-2 hours to reach steady state. The normal temperature of the bearing due to the heat capacity of the machine, heat dissipation, speed and load. Lubrication, suitable mounting part, abrupt bearing temperature will rise, there will be unusually high temperatures, then have to stop running, take the necessary precautions.
Using the thermal sensor can always monitor the operating temperature of the FAG bearings, and alarm or stop automatically when the temperature exceeds the specified value to prevent the burning shaft accident occurred.
High temperature is often said that the FAG bearing is in an abnormal situation. The high temperature is also harmful to the bearing lubricant. Sometimes bearing overheating can be attributed to the lubricant in the bearing. FAG bearings in more than 125 ℃ temperature long-term even transfer to reduce bearing life. Caused by high temperature FAG Bearings for reasons including: lack of lubrication or excessive lubrication, lubricants. Containing impurities, the load is too large, bearing loss of the ring, lack of space, and oil seals produce high friction.
FAG bearings on continuous monitoring of temperature is necessary, FAG bearings, whether measuring bearings or other important parts. If you are under the same operating conditions, any temperature change has failed.
FAG bearing temperature regularly measured by means of a thermometer, digital thermometer to accurately measure the bearing temperature and displayed according to the given unit of ℃ or Fahrenheit. The importance of FAG bearings, which means that when it is damaged, can cause equipment downtime, so this type of bearing is best should be retrofitted with a temperature probe. Under normal circumstances, FAG bearings in just lubrication or re-lubrication after there will be a natural rise in temperature and lasts one to two days.
Typically, the bearing operating temperature above 150 ° is called high-temperature bearings, chromium bearing steel using the temperature exceeds 150 °, and its hardness will be a sharp decline in the size instability, FAG Bearings not working properly. So for the working temperature of 150 ° to 350 ° under the conditions of work, FAG bearings, rings and rolling element still use ordinary carbon chromium bearing steel, must FAG bearings parts a special tempering process, should generally be higher than Operating temperature 50 ° tempering. Bearing steel tempered in accordance with the above requirements, the normal operating temperature. However, tempering hardness decreased, FAG bearing life decreased.
(1) the production of clean heat treatment heat treatment of wastewater, waste gas, waste salt, dust, noise and electromagnetic radiation and so on causes environmental pollution. Solve the heat problem of environmental pollution, the implementation of the clean heat treatment (or green heat treatment) is one of the direction of the heat treatment technology of developed countries. To reduce emissions of SO2, CO, CO2, dust and cinder has been basically put an end to the use of coal as fuel, heavy fuel oil use less and less in favor of the majority of light oil, natural gas is the ideal fuel. Has reached a very high level waste heat utilization of the combustion furnace, burner structure optimize and air - fuel ratio of strict control to ensure reasonable combustion under the premise of the NOX and CO reduced to a minimum; gas carburizing, carbonitriding and vacuum heat treatment technology alternative to salt treatment to reduce the waste salt containing CN-toxic water pollution; synthetic water-soluble quenching oil instead of part of the quenching oil, the use of biodegradable vegetable oil instead of part of mineral oil to reduce oil pollution.
(2) precision heat treatment precision heat treatment has two meanings: the one hand, the requirements are based on the use of parts, materials, structure size, the use of the knowledge of physical metallurgy and advanced computer simulation and testing technology, optimization of process parameters to achieve the required performance or maximize the potential of the material; the other hand, to ensure full optimization of process stability, product quality dispersion is small (or zero) and heat treatment distortion is zero.
(3) scientific production of energy-saving heat and energy management, energy efficient use of the most potential factors, the establishment of a specialized heat treatment plant in order to ensure full capacity, give full play to the equipment capacity is the choice of scientific management. Structure of heat energy, first choice of primary energy; take full advantage of waste heat, waste heat; use of low power consumption, short cycle process instead of a long cycle, energy-consuming process.
(4) with little or no oxidation heat treatment by using the heat treatment of the protective atmosphere heating alternative heating, precise control of carbon potential, nitrogen potential of controlled atmosphere to improve the performance of parts after heat treatment, heat treatment defects such as decarbonization, cracks, etc. greatly reduce the oxidation of the atmosphere heated to after finishing allowance to reduce and improve the efficiency of utilization of materials and machining. Vacuum plus hot gas quenching, vacuum or low pressure carburizing, nitriding, nitrocarburizing and boriding can significantly improve quality and reduce distortion, and increased life expectancy. FAG bearing parts of the heat treatment quality control in the whole machinery industry is the most stringent.
