The casting hot spot is generally divided into structural hot spot and process hot spot. The structural hot spot refers to the node or area where the metal accumulation volume is large and the heat released during solidification is more than that of the adjacent structure of the main...
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Shrinkage and porosity defects of main reducer housing casting during production
At present, the company’s existing customers adopt the horizontal split KW static pressure molding line, air pre-compaction and high pressure multi-contact compaction molding production, and the maximum compaction specific pressure is 1.25 MPa. The size of sand box is 1100 mm × 900 mm × 350/250 mm, the production...

Shrinkage cavity and porosity defect of main reducer housing casting
The split main reducer housing casting is the main reducer housing of the middle and rear axle of the Benz series imported from Germany at the end of the last century in China. Since its introduction, this product has existed for a long time in the main heavy truck...

Causes and solutions of shrinkage porosity in investment castings
1. Shrinkage casting defects caused by insufficient pouring of casting gate cup For castings directly fed by gate cup and runner, shrinkage casting defects will occur due to low static head of molten steel due to insufficient pouring of gate cup. The solution is as follows: ① The pouring...

Overcoming Shrinkage Porosity in Casting Production
Shrinkage porosity is a common casting defect that occurs due to the shrinkage of metal during solidification. It can lead to reduced mechanical properties, compromised structural integrity, and overall decreased casting quality. Overcoming shrinkage porosity requires a combination of strategies and careful considerations throughout the casting production process. In...

Exploring the Causes and Solutions of Casting Defects
Casting defects can significantly impact the quality and reliability of metal components. To produce flawless castings, it is crucial to understand the causes behind these defects and implement effective solutions. This article delves into the common causes of casting defects and presents strategies to address them, unraveling the mystery...

Understanding and Preventing Casting Defects
Metal casting is a widely used manufacturing process for creating complex metal components. However, it is susceptible to various defects that can compromise the quality and functionality of the final product. Understanding these defects and implementing preventive measures is crucial for achieving flawless castings. This article provides an overview...

Casting Defects: Identifying and Resolving Common Challenges in Metal Casting
Metal casting is a complex process used to manufacture various metal components. However, it is prone to several defects that can affect the quality and integrity of the final product. Identifying and resolving these common challenges in metal casting is crucial to ensure the production of defect-free components. Here...

Techniques for Detecting and Measuring Porosity in Sand Castings
Porosity is a common problem in sand casting that can affect the final product’s performance and appearance. To maintain high quality, it is essential to detect and measure porosity in the produced parts. This article will explore several techniques commonly used for this purpose. Visual Inspection: The simplest method...

The Science of Porosity in Sand Casting
Porosity, characterized by voids or pores within a material, is a commonly encountered challenge in the sand casting process. It can significantly affect the mechanical properties, aesthetics, and overall quality of a cast part. This article explores the science behind porosity in sand casting, delving into its causes, effects,...
