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當(dāng)使用激光切割加工不銹鋼時(shí)，由于不銹鋼含有10％至20％的鉻，因此不銹鋼和鐵在切割過程中容易與氧氣發(fā)生放熱反應(yīng)。
When laser cutting is used to process stainless steel, stainless steel and iron are prone to exothermic reaction with oxygen in the cutting process because stainless steel contains 10% to 20% chromium.
鉻的氧化物可防止氧氣進(jìn)入熔融材料的內(nèi)部。 進(jìn)入熔融層的氧氣量減少，熔融層不完全氧化，反應(yīng)減少，切割速度降低。
The oxide of chromium prevents oxygen from entering the interior of the molten material. The amount of oxygen entering the molten layer is reduced, the molten layer is not completely oxidized, the reaction is reduced, and the cutting speed is reduced.
不銹鋼的激光切割需要相對(duì)較高的加工技術(shù)。 激光切割精度高，速度快，熱影響區(qū)小，不易變形。 高性價(jià)比和低處理成本。
Laser cutting of stainless steel requires relatively high processing technology. Laser cutting has the advantages of high precision, high speed, small heat affected zone and not easy to deform. High cost performance and low processing cost.
使用激光切割加工碳鋼時(shí)，通常10mm以內(nèi)的碳鋼都能很好地進(jìn)行氧氣輔助熔融激光切割，并且縫隙也很窄。 鋼板的厚度可小至0.1mm，對(duì)于低碳鋼，幾乎不考慮其熱影響區(qū)。
When using laser cutting to process carbon steel, generally, carbon steel within 10mm can be well cut by oxygen assisted melting laser, and the gap is also very narrow. The thickness of steel plate can be as small as 0.1mm. For low carbon steel, its heat affected zone is hardly considered.
碳鋼切縫平整，清潔，可靠，垂直度好。 低碳鋼中磷和硫的偏析區(qū)的存在將導(dǎo)致切削刃的溶解。 因此，具有雜質(zhì)的優(yōu)質(zhì)鋼的修整質(zhì)量比熱軋鋼的修整質(zhì)量要好。 稍高的碳含量可以略微改善碳鋼的修邊質(zhì)量，但其熱影響區(qū)已擴(kuò)大。
The cutting seam of carbon steel is flat, clean, reliable and good perpendicularity. The existence of phosphorus and sulfur segregation zone in low carbon steel will lead to the dissolution of cutting edge. Therefore, the dressing quality of high-quality steel with impurities is better than that of hot-rolled steel. Slightly higher carbon content can slightly improve the trimming quality of carbon steel, but its heat affected zone has been expanded.
由于碳鋼和不銹鋼的性質(zhì)不同，使用激光切割加工時(shí)的技術(shù)要求也大不相同。 因此，必須根據(jù)實(shí)際情況進(jìn)行選擇。 只有正確的操作方法，才能保證工作的順利進(jìn)行。
Due to the different properties of carbon steel and stainless steel, the technical requirements of laser cutting are also very different. Therefore, it must be selected according to the actual situation. Only the correct operation method can ensure the smooth progress of the work.
