Keep in mind the cutting control points of the gantry CNC cutting machine!

　　 is a cutting machine with a very wide range of applications. In the recent development, the cutting technology of the laser cutting machine has become more and more mature, and more and more objects can be cut. Below, Let us take a look at the cutting control points of the gantry CNC cutting machine, and hope to help everyone in front of the screen.

　　The cutting control of the gantry type CNC cutting machine

　　1. The selection of the starting point of the arc. Under normal circumstances, the starting point of the arc of the cut piece should be in the metal The edge of the board or the middle of the slit of the workpiece to be cut. When the distance is too large, there will be no arc or arc breaking, making the workpiece impenetrable, resulting in product waste or scrap; when the distance is too small, due to the short circuit between the nozzle and the workpiece, it is easy to burn the nozzle and destroy the normal cutting process. Practice has proved that the height of the nozzle from the workpiece is generally 6-8 mm, and the height of the nozzle from the air plasma cutting machine and the water recompressed plasma arc cutting can be slightly less than 6-8 cm.

　　2. Choosing the correct cutting direction should ensure that most of the cutting blade is separated from the main board. If it is separated from the mother board prematurely, the peripheral corner frame is not enough to resist the thermal deformation stress during the cutting process, resulting in the displacement of the cutting piece, and the size exceeds the tolerance range.

　　3. Cutting speed selection Cutting speed is the relative moving speed between the cutting torch and the workpiece during the cutting process. The appropriate cutting speed is an important condition for the flatness of the cutting surface. The cutting speed depends on the material thickness, cutting current, gas type and flow rate, nozzle structure, suitable resistance, etc. Under the same power, increasing the cutting speed will result in a bevel cut. When cutting, the cutting torch should be perpendicular to the surface of the workpiece, but in order to facilitate the removal of slag, it can be slightly inclined, so in order to improve productivity, the cutting speed should be as high as possible while ensuring the penetration force.

　　4. The cutting sequence affects the cutting sequence of the gantry CNC cutting machine. The cutting sequence refers to the sequence of cutting several sets of nested parts on the steel plate. Generally, the principle of 'inside and out, small and large' should be followed: first cut the inner contour of the workpiece or the parts nested in the inner contour, then cut the outer contour; first cut small parts, then cut large parts. Otherwise, when cutting on the metal plate, the inner contour or other small parts will be deformed, causing the processed parts to be scrapped.

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