The temperature of the workshop has a significant impact on CNC machining. As a critical factor affecting the quality of machined parts, the temperature needs to be well-controlled to ensure the accuracy and efficiency of CNC machining. Therefore, it is essential to understand the effects of temperature on CNC machining and adopt appropriate measures to cope with the climate.
Firstly, let us look at how temperature influences the machining process and the machined parts. Generally, high temperatures in the workshop can cause thermal expansion of machine tools and workpieces, leading to dimensional errors and surface roughness. If the temperature is too low, the metal's hardness and toughness will increase, making it difficult to cut effectively and even causing tool damage. Therefore, maintaining an appropriate temperature range is critical to achieving precise and efficient CNC machining.
In Shenzhen, the temperature in summer can often exceed 35 degrees Celsius, making it a challenge to keep the workshop temperature within the optimal range. One effective method to overcome the heat is through air conditioning or ventilation. By adopting air conditioning or installing an exhaust fan, the temperature and humidity in the workshop can be regulated to prevent excessive heat and moisture. Besides, metalworking fluids can be used to cool down the machining process and lubricate the cutting tools, reducing tool wear and prolonging tool life.
Apart from the machining process, temperature also affects the quality of machined parts. Inaccurate temperature control can result in defects such as warping, surface cracks, and distorted features, reducing the parts' function and value. One example is CNC milling, where the temperature can affect the material's microstructure and cause thermal stress. Therefore, it is essential to maintain temperature stability and consistency to ensure the quality of machined parts.
In addition to climate factors, there are other factors that can affect the temperature of the workshop, such as machine load, cutting speed, and processing time. A high machine load can generate additional heat, making the temperature rise, while a low load can cause temperature fluctuations. Meanwhile, the cutting speed and processing time affect the heat generated by the machining process, and thus the workshop temperature. Therefore, it is necessary to adjust these factors to maintain an optimized temperature range.