Advertising engraving machine carved PVC in flash?

Today, in the use of advertising engraving machine carving there was a flash of PVC, what are the causes and solution; Advertising engraving machine carving no burrs, first check the problem, look at the carving machine spindle speed, the normal is in commonly 2000 - 24000 RPM, and between the spindle speed is too low, there will be a flash of material itself, burrs, normal flash we can deal with good, if it is a wide range of sculpture burrs, we want to consider the reason of the material, it is recommended to use normal manufacturer of products, make the material pass, quality meets the requirements for three, depending on the sculpture material should choose the suitable cutting tools, density board material generally choose single blade spiral milling cutter, like acrylic should follow the yakeli the grain when carving carving, avoid even the appearance of burrs advertising engraving machine automatic cruise PVC acrylic engraving machine four, cutting tool, cutting tool use for a long time without replacement, blade wear cause, suggest regular update inspection tools, guarantee the normal work of the machine was five, set the path parameter should be set some fine. Avoid excessive path set, rough carving carving burrs caused phenomenon six, turning too big or too small can cause, turning too: cutting force is too large, the cutting tool deformation is large, lead to work out the surface is not smooth; Turning is too small, processing skid phenomenon, lead to work out the surface is not smooth, and to pay attention to is commonly go counterclockwise while PVC plate engraving knife eight, machine operation instability will appear this kind of phenomenon, suggest inspect whether there is loose advertising word of mini luminous words on the picture is the carving appeared burrs and rack and screw, more delicate than the rack of a ball screw, small make up to sort out the questions about the burrs will know these, hope to have know more friends can leave a message below, thank you ~