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Quickly establish the machining accuracy of CNC carving equipment in three minutes
This article is suitable for CNC engraving machine beginners to quickly popularize knowledge.
Let's look at the machine first, the verticality, flatness, positioning accuracy and repeated positioning accuracy between the shafts. Taking the positioning accuracy as a simple example of 0.01mm / 300mm, this is the theoretical maximum accuracy that can be achieved for each 300mm of the device. At 0.01mm. Look at the data in the technical list specifically to establish objective conceptual knowledge.
Under the premise that the machine equipment meets the design requirements, which affects the processing accuracy, a brief explanation from the following eight points
First, the choice of tools, machining accuracy errors caused by worn tools and intact tools
Second, the processing material, the same processing technology, the processing accuracy error caused by processing different materials, such as processing marble and processing aluminum alloy, due to the different hardness of the material, under the limitations of the hardware conditions of the machine itself, not only the processing accuracy cannot be guaranteed, sometimes May even cause the tool to break or damage the machine
3. Whether the parts to be processed are firmly fixed, because there will be moments during the engraving process, if they are not completely fixed, often the slight position deviation, when the tool is processed, will affect the final processing quality
Fourth, the flatness of the fixed plane of the product to be processed is caused by the depth of the processed product, which does not meet the design standard, and even the service life of the audio carving knife, the amount of the knife is too deep, and even causes the tool to break.
5. Electromagnetic interference problem. The cnc CNC system has a certain anti-interference ability, but sometimes it is the invisible electromagnetic field problem between the machines, which disrupts the engraving process, affects the data output, and causes processing errors, so the ground wire is necessary.
Six, equipment power, it will affect the normal work of the control system, so you can install a voltage stabilizer device
7. Temperature, abnormal temperature will also cause errors in the control system, which means that the driving torque does not reach the set value.
8. The cutting fluid, oil, and dust in the processing environment will affect the heat dissipation performance of the equipment parts and the performance of the photosensitive components.
In summary, in the actual precision machining process, the machining accuracy is not ideal, the machine performance is one of them, and it has a great relationship with human operation. Many small details of negligence lead to a large error. The operating procedure is a necessary part of production and processing.
November 11, 2024
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