The normal operating temperature range of Engineering Machinery Parts is a key factor that directly affects the performance and service life of the accessories.
Different types of Engineering Machinery Parts have different temperature adaptability ranges. For metal structural parts, such as excavator buckets and loader shovel arms, they can generally work normally in a wide temperature range. In low temperature environments, such as around minus 20°C, these metal accessories can still perform basic functions, but as the temperature decreases, the toughness of the metal will decrease and may become more brittle. If high-intensity operations are performed in such extremely low temperature environments, there is a risk of fracture. In high temperature environments, when the temperature reaches 40-50°C, the thermal expansion of metal structural parts will be more obvious. However, as long as a reasonable expansion space is reserved during the design, it will generally not affect normal use. When the temperature exceeds 80°C, the strength of the metal may decrease, and being in such a high temperature environment for a long time will accelerate the fatigue and wear of the metal.
For hydraulic system accessories in engineering machinery, such as hydraulic pumps, hydraulic valves, etc., the operating temperature range is relatively narrow. Under normal circumstances, the operating temperature of hydraulic oil is generally between 15-60°C. When the temperature is below 15℃, the viscosity of the hydraulic oil will increase, resulting in poor fluidity, making it difficult for the hydraulic pump to absorb oil, which in turn affects the working efficiency of the entire hydraulic system. When the temperature exceeds 60℃, the hydraulic oil may oxidize and deteriorate, produce colloids and asphaltene, block hydraulic valves and other components, and reduce the lubrication performance of the hydraulic oil, causing increased wear of parts in the hydraulic system.
Electronic control accessories, such as computer boards and sensors in engineering machinery, are more sensitive to temperature. Usually the suitable working temperature is 0 - 40℃. In low temperature environments, the conductivity of electronic components will decrease, and battery performance will also be affected, which may cause signal transmission errors or equipment startup difficulties. In high temperature environments, electronic components are prone to overheating and damage, especially when the temperature exceeds 70℃, the performance of the semiconductor material inside will change, resulting in a greatly increased probability of component failure.
In order to ensure that Engineering Machinery Parts can work normally in different temperature environments, some measures are often needed. For example, preheating the equipment in low temperature environments and strengthening the heat dissipation system in high temperature environments.
