On Wednesday, Shanghai Aluminum’s main contract price was mostly opened in flat highs outside yesterday's low aluminum prices, indicating that the stability of Shanghai Aluminum’s overall last-period price began to increase. Shanghai Aluminum’s positions in major contracts in June and July continued to decline slightly this week, and there was no obvious sign of shifting funds. However, the focus of futures prices gradually increased in the past three trading days. Short-term funds were withdrawn from their positions. The performance in recent months has become even more apparent. It seems that everyone has a similar understanding of the limited fall in Shanghai aluminum futures price. In terms of news, due to the continued high growth rate of domestic electrolytic aluminum exports in the first two months of this year, it is expected that the country will discuss further reducing tax incentives for aluminum exports under the conditions of processing trade to limit the negative impact of energy shortages. This is a positive message for Shanghai Aluminum futures prices. Judging from the period price performance of major contracts of Shanghai Aluminum, Shanghai Aluminum only showed the trend of Xiaoyang resistance this week, but it was able to rise sharply for two days in a row, and there has been a stabilization of the price. In July, Shanghai Aluminum exhibited a stronger initiative. On Monday, the entity of the lower open Yang Xian was larger. Today's Yang Xian will pack back yesterday's Yinxian entity. The firmness of the front line of 16,600 Yuan is stronger. Since the small platform of the first line of Shanghai Aluminum's 16800 yuan in July has already been broken, this effort to try the 16800 yuan front line of the Shanghai aluminum futures price will not be accomplished overnight. From the perspective of time-for-space, it will form a small arc-shaped plate and then move upwards. It is more beneficial. Aluminium's futures price was affected by the short-term strong trend of the US dollar. However, the support of Alcoa's first-line support at 1900 U.S. dollars has not been damaged. This week's top return of 1940 to 1960 U.S. dollars will further enhance the possibility of a small U-shaped rally. . Operational advice, short-term continue to maintain a wait-and-see attitude, leaving a single bargain off.
The simplest shape of the reinforcing ring is a rectangular column attached to the surface of the product, but in order to meet some production or structural considerations, the shape and size of the reinforcing ribs need to be changed as shown in the following figure. The position of the bottom of the product must be rounded to eliminate excessive stress concentration. The rounded corner design also gives the runner a gradual shape to fill the cavity with curvature. Problems such as water trapping will also lengthen the production cycle and increase production costs.
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