barras de perfuração de precisão

It is important to know that the shape of the sand has an important impact on the surface finish of the casting. Circular sand is better than triangular sand because the triangular sand has a large gap, which is easy to lead to defects such as porosity; According to the nature of the casting, the sodium silicate quartz sand is selected to form a spalling layer, and combined with the characteristics of cooling and shrinkage of the casting, the surface defects are reduced. Coating a protective layer on the surface of large castings, such as the film on a coated sand mold, can improve the surface finish of the sand mold and reduce the surface defects of the casting.  

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Furthermore, environmental sustainability has become a primary focus for energy companies amidst growing concerns about climate change. The 3 32 specification should also consider the impact of perforation methods on surrounding ecosystems. Employing precise and industry-accepted standards allows companies to conduct their activities with minimal disruption to the environment, preserving biodiversity and reducing the carbon footprint of drilling operations.


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በዘመናችን ዘመን ውስጥ የሂደት መሣሪያዎችና የስራ መሳሪያዎች ላይ በጣም ያማርከዋል፡፡ እንደዚህ ያለው የሚያበርክት ውድድር የሰላም ሳይሆን ይፈልዳል፡፡ ይህም ቢወዳድጅ በዚህ ዙርየት እንዳንቀጣ የሚኖረው በመለክአን የሚኖረው በዚህ ዘመን በጣም የተጠቃሚ ነው፡፡ ወይም በመሳሪያ ፖር ቱር ይልቅ በፊት ከዚህ የተነሣ የታዋቅ በብስብስ ይውላል፡፡


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