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                  方管和矩形管的兩種成型工藝

                  發布時間:2019-04-28人氣:105
                    方管市場成交前期正常放量出貨略好后期偏差本周廣州方管市場價格弱勢下降,方管市場成交前期正常放量出貨略好后期偏差。本周期貨、鋼坯低位震蕩下跌。周初隨著期貨震蕩小 幅翻紅,市場開始止跌企穩,且臨近端午放假,下游有備貨需求,故前期市場成交較好,…

                  隨著國內經濟建設,特別是在建筑行業的發展,方管矩形管的廣泛使用也增加,其增加的使用,它的性能也提出了嚴格的要求?,F在的主要生產廠家,通常有兩種方式,一般管工藝成型的標準是彎曲的,方管,又是什么呢?矩管的成型通常稱為彎曲,這種彎曲的方法,然而,在方鋼管行業將歸類為真正的彎曲,另一種是空的彎曲。

                  With the development of domestic economic construction, especially in the construction industry, the wide use of square and rectangular pipes has also increased. With the increasing use of square and rectangular pipes, their performance has also put forward strict requirements. At present, the main manufacturers usually have two ways. The standard of tube forming is bending. What is square tube? Forming of rectangular pipes is usually called bending, which is a method of bending. However, in square steel pipe industry, it will be classified as true bending and empty bending. 其實,不用說,大家都知道,其實彎曲的過程中,方管矩壓縮產生彎曲變形的現象,而內部和外部的方形和矩形管,雙向真正的壓力狀態輥的內壁但是,必須根據專業人士,真正的彎曲的主要優點是相對較小的反彈,并在成形時,是非常準確的,在其輥型的數據,一般內角成型和更準確的準確。然而,這兩種方法有一個缺點,就是矩形管彎曲出現在真實的,有可以伸縮,減少出現一般拉伸長度和厚度。然而,空彎的過程中,是彎曲矩形管壓縮的行,并產生后的彎折線將被拉長的長度,和空彎產生增稠效果。這種方法的優點是,無論內角小于R彎曲,永遠不會產生壁破損,缺點是,由于在同一時間從向上和向下的壓力,成型力將超過負載,和將影響管長方使用。但是,在實際使用中盡可能的時候,盡量安排,并在施工過程中選擇合適的地點和正確的操作。

                  In fact, it goes without saying that in the process of bending, square tube moment compression produces bending deformation, while inside and outside square and rectangular tube, the inner wall of two-way real pressure state roll, but according to professionals, the main advantage of true bending is relatively small rebound, and when forming, it is very accurate, in its roll shape data. Generally, the inner angle is formed more accurately and accurately. However, one disadvantage of these two methods is that the bending of rectangular tubes occurs in reality, and can be stretched to reduce the appearance of general stretching length and thickness. However, in the process of empty bending, it is the compressed line of the bending rectangular pipe, and the resulting bending line will be lengthened, and the empty bending will produce thickening effect. The advantage of this method is that no matter the inner angle is less than R bending, the wall will never be damaged. The disadvantage is that because of the pressure from up to down at the same time, the forming force will exceed the load and will affect the rectangular use of the tube. However, in the actual use as far as possible, try to arrange, and in the construction process to choose the appropriate location and correct operation.

                    短期內方管或保窄幅調整態勢廠家出貨壓力不大方管市場價格橫盤整理。早盤開市,黑色系市場低開高走,然現貨市場看漲心態并不高,方管報價基本以穩為主。消息面來看,今日重磅消息出臺減少,對鋼價影響亦有減小。目前臨近假期, 市場需求逐步趨弱,下游采購端積極…
                  辛苦整理!轉載請注明來自 http://www.theeventwiki.com/news/xw2/72.html

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