CNC plasma cutting machine cutting seam setting skills
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August 30 12:46:04, 2025
When determining the size of the kerf compensation, it's essential to take into account both the width of the cut and the material reserve needed for subsequent processing. A comprehensive evaluation of the cutting method, material thickness, and cutting speed is necessary. For example, when using flame cutting for materials over 10mm thick or CNC plasma cutting for materials around 6mm, selecting the appropriate speed is crucial. The typical kerf width is approximately 2mm, and the offset amount should generally be set between 1mm and 2mm to ensure accuracy and efficiency.
The sequence of the cutting path also plays a significant role in the overall process. Usually, the order and direction of the cutting lines are determined first. There is a difference in the cutting pattern between parts that involve both inner and outer contours and those with only outer contours, primarily in the direction of the cutting path. The setting of this direction is mainly influenced by the layout of the material on the cutting table. If multiple parts are being cut from the same sheet, the cutting sequence should be arranged in a way that minimizes thermal deformation and other potential issues. It is common practice to start with smaller parts, then move to larger ones, and to cut inward areas before moving outward.
All line segments represent the actual outlines of the parts being cut, but they are also part of the design of cutting auxiliary lines. The original graphics of a part to be cut are typically taken from the cutting angle. To ensure the final cut parts meet the drawing specifications, it is necessary to add auxiliary lines related to the cutting process, such as ignition points and cutting order. Therefore, when designing conventional graphics, additional elements like cutting leads are often included based on the specific requirements of the part being saved.
The internal and external contour paths of the cut parts directly affect the final cutting quality. The operation mode of the CNC plasma cutting machine must also be considered. The cutting process is essentially based on the optimal route planned by the CNC cutting torch, ensuring precision, efficiency, and minimal material waste. By carefully planning each step, from kerf compensation to cutting sequence and auxiliary line design, the overall quality and accuracy of the final product can be significantly improved.