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軋制技術的有關問題:

般在板邊緣較薄，扎或縱厚度偏差就叫做板凸度。如果板凸度足夠大，板厚偏差可以達到一定值，以至于鋼板不適用于在嚴格要求板厚精度的場合。當厚度偏差增大（在板寬方向上厚度不同）導致在材料設計后產品損失中應考慮增加板厚邊緣。

It is thinner on the edge of the plate, and the deviation of the ligation or longitudinal thickness is called the plate convexity. If the plate convexity is large enough, the thickness deviation of the plate can be reached to a certain value so that the steel plate is not suitable for the situation where the thickness of the plate is strictly required. When the thickness deviation increases (the thickness is different in the width of the plate), the thickness edge of the plate should be added to the loss of the product after the material is designed.

機架是軋鋼機的主要部件，它在軋鋼過程中承擔金屬變形給予的負荷。因此要求機架有足夠的強度和剛度，以保證設備安全和產品質量。型鋼軋機的機架形式較多，常見的機架形式有開口式機架、閉口式機架和半閉口式機架3種。

The frame is the main component of the rolling mill, which bears the load given by the metal deformation during the rolling process. Therefore, the frame is required to have sufficient strength and stiffness to ensure the safety of the equipment and the quality of the product. There are more frame forms of the steel mill. There are 3 kinds of common frame forms: open frame, closed frame and half closed frame.

實現金屬軋制過程的設備。泛指完成軋材生產全過程的裝備，包括有主要設備、輔助設備、起重運輸設備和附屬設備等。但一般所說的軋機往往僅指主要設備。

A device for a metal rolling process. Generally refers to the equipment that completes the whole process of rolling material production, including main equipment, auxiliary equipment, lifting and transportation equipment and auxiliary equipment. Generally speaking, rolling mills usually refer to only the main equipments.

在鍛造和軋制生產中，鋼坯一般在完全燃燒火焰的氧化氣氛中加熱。采用不完全燃燒的還原性火焰（即“自身保護氣氛”）來直接加熱金屬，可以達到無氧化或少氧化的目的。這種加熱方式稱為明火式或敞焰式無氧化加熱，成功地應用于轉底式加熱爐和室式加熱爐。

In forging and rolling production, billets are usually heated in the combustion atmosphere of complete combustion flame. The direct combustion of metal can be achieved by the incomplete combustion of reduced flame (i.e., the "self protective atmosphere"), which can achieve the  of no oxidation or less oxidation. This heating method is called open flame or open flame oxidation free heating, which has been successfully applied to rotary hearth furnace and chamber heating furnace.