| All machinery, equipment or facility, incorporates | | | | vast majority of industrial machinery and equipment, |
| contact and relative movement to develop a specific | | | | cooling systems and lubrication are independent. |
| work. The reduction of friction between the | | | | Moreover, the random mix of coolant and oil can be |
| elements in contact (reducing losses of material and | | | | harmful, especially in air and moisture. The accidental |
| energy) is achieved by interposing a lubricating film. | | | | inclusion of a certain amount of refrigerant into the |
| Among other functions, lubrication systems also get | | | | lubrication circuit and the consequent reduce of the |
| to evacuate part of the heat generated due to the | | | | viscosity and lubricity of the oil, can initiate the |
| development of the machine cycle, thereby making | | | | decomposition and accelerate corrosion of metal |
| cooling function. However, most machines has a | | | | surfaces of the circuit. Similarly, the presence of oil in |
| self-cooling system to maintain the temperature of | | | | the cooling system reduces efficiency and requires |
| their bodies and mechanisms within certain security | | | | disposal of oil available separately. This problem, as its |
| settings so the materials remains in their initial | | | | known, is particularly important in refrigeration |
| properties. | | | | equipment. As a general rule, you should use coolants |
| The cooling and lubrication are, together with the | | | | and lubricants of high quality, avoid the presence of |
| operation and regulation, the main systems that | | | | contaminants and provide locking mechanisms and |
| integrates a machine and allow them to operate | | | | appropriate insulation to prevent the interference of |
| under standard conditions of service. Launching of the | | | | the two systems. This idea is applicable to a |
| mechanical elements is required to lubricate the | | | | multitude of machines for the machining of metals, |
| contact surfaces, while maintaining operating | | | | engines, etc.. |
| temperatures within acceptable margins. | | | | In addition, certain equipment, such as certain types |
| In the design project of a machine, besides the | | | | of compressors, has integrated systems for cooling |
| fatigue calculation of items such as trees, gears or | | | | and lubricating, so that there is only a working fluid |
| bearings, it is necessary to define also the cooling and | | | | circuit with a single covering, simultaneously, the |
| lubrication systems, specifying the procedure to be | | | | lubrication and cooling needs. |
| used in each case, the components and the type of | | | | Finally, it should be highlighted that both the lubrication |
| fluid refrigerant and / or lubricant. These are two | | | | and cooling, as well as enabling the operation of |
| parallel systems, consisting, in many cases, in hydraulic | | | | machinery and lengthen its useful life, are part of |
| circuits with similar characteristics. | | | | routine maintenance operations. Indeed, lubricant and |
| Although not always necessary, sometimes must be | | | | coolant should be replaced every few hours, |
| made by cooling lubricant, especially in large machines | | | | depending on the particular conditions of service of |
| (high power generators) and oleohydraulic | | | | each machine and the properties of fluids used, for |
| transmissions through a heat exchanger which | | | | proper operation and reduce maintenance costs |
| circulates a certain quantity of water or cooling of | | | | resulting from non-stops scheduled, lack of availability, |
| the machine itself. | | | | etc.. |
| Excluding exceptional cases, as we shall see, in the | | | | |