The main transmission parts of industrial laser cutting machine are ball screw and linear guide. What are the nine standards for cutting quality of laser cutting machine? Here are nine items for your reference.

　　1．粗糙度。激光切割斷面會構成垂直的紋路，紋路的深度決議了切割外表的粗糙度，越淺的紋路，切割斷面就越潤滑。粗糙度不只影響邊緣的外觀，還影響摩擦特性，大多數狀況下，需求盡量降低粗糙度，所以紋路越淺，切割質量就越高。

　　1. Roughness. Laser cutting section will form a vertical grain, the depth of the grain determines the roughness of the cutting surface, the shallower the grain, the more lubricated the cutting section. Roughness not only affects the appearance of edges, but also affects the friction characteristics. In most cases, the need to minimize roughness, so the shallower the grain, the higher the cutting quality.

　　2．資料堆積。激光切割機在開端凝結穿孔前先在工件外表碰上一層含油的特殊液體。切割過程中，由于氣化且各種資料不用，客戶用風吹除切口，但是向上或向下排出也會在外表構成堆積。

　　2. Data accumulation. The laser cutter first encounters a special layer of oil-containing liquid on the surface of the workpiece before it starts to condense and perforate. In the cutting process, due to the gasification and various data are not used, the customer uses the wind to remove the incision, but the upward or downward discharge will also form a accumulation on the surface.

　　3．凹陷和腐蝕。凹陷和腐蝕對切割邊緣的外表有不利影響，影響外觀。他們呈現在普通本應防止的切割誤差中。

　　3. Depression and corrosion. Depression and corrosion have adverse effects on the appearance of cutting edge and affect the appearance. They appear in the cutting errors that should be prevented in general.

　　4．毛刺。毛刺的構成時決議激光切割質量的一個十分重要的影響要素，由于毛刺的去除需求額外的工作量，所以毛刺量的嚴重和幾是能直觀判別切割的質量。

　　4. Burrs. Burr formation is a very important factor affecting the quality of laser cutting. Because the removal of burr requires extra work, the severity of burr amount and the quality of cutting can be judged intuitively.

　　5．熱影響區域。激光切割中，沿著切口左近的區域被加熱。同時，金屬的構造發作變化。例如，一些金屬會發作硬化。熱影響區域指的是內部構造發作變化的區域的深度。

　　5. Heat-affected zone. In laser cutting, the area near the left of the incision is heated. At the same time, the structure of the metal changes. For example, some metals harden. The heat-affected area refers to the depth of the area where the internal structure changes.

　　6．垂直度。如何鈑金的厚度超越10mm，切割邊緣的垂直度十分的重要。遠離焦點時，激光束變得發散，依據焦點的位置，切割朝著頂部或者底部變寬。切割邊緣偏離垂直線百分之幾毫米，邊緣越垂直，切割質量越高。

　　6. Verticality. How the thickness of sheet metal exceeds 10 mm, the verticality of cutting edge is very important. When away from the focus, the laser beam diverges and, depending on the position of the focus, cuts wider toward the top or bottom. The cutting edge deviates from the vertical line by several millimeters. The more vertical the edge is, the higher the cutting quality is.

　　7．變形。假如切割使得部件急劇加熱，它就會變形。精密加工中這一點尤為重要，由于這里的輪廓和銜接片通常只要非常之幾毫米寬。控制激光功率以及運用短激光脈沖能夠減少部件變熱，防止變形。

　　7. Deformation. If the cutting causes the parts to heat sharply, it will deform. This is particularly important in precision machining because the contours and joints here are usually only a few millimeters wide. Controlling laser power and using short laser pulses can reduce the heating of components and prevent deformation.

　　8．切割寬度。切口寬度普通來說不影響切割質量，僅僅在部件內部構成特別精細的輪廓時，切割寬度才有重要影響，這是由于切割寬度決議了輪廓的較小內經，當板材厚度增加時，切割寬度也隨之增加。所以想要保證同等高精度，不論切口寬度多大，工件在激光切割機的加工區域應該是恒定的。

　　8. Cutting width. Generally speaking, cutting width does not affect cutting quality, but only when a particularly fine contour is formed inside the part, the cutting width has an important effect. This is because the cutting width determines the minimum inner meridian of the contour, and when the thickness of the plate increases, the cutting width also increases. Therefore, in order to ensure the same high accuracy, no matter how wide the cut width, the workpiece in the laser cutting machine processing area should be constant.

　　9．紋路。高速切割厚板時，熔融金屬不會呈現于垂直激光束下方的切口里，反而會在激光束偏后處噴出來。結果，彎曲的紋路在切割邊緣構成了，紋路緊緊跟隨挪動的激光束，為了修正這個問題，在切割加工結尾時降低進給速率，能夠大大消弭紋路的行成。

　　9. Patterns. When cutting thick plates at high speed, molten metal will not appear in the incision under the vertical laser beam, but will eject at the back of the laser beam. As a result, the curved lines are formed at the cutting edge and follow the moving laser beam tightly. To correct this problem, reducing the feed rate at the end of the cutting process can greatly eliminate the formation of the lines.

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