Search results for keyword: shrinking
Upsetting pressure, average deformation resistance and constraint coefficient
Abstract
This paper provides a comprehensive review of the literature pertaining to the effects of stress, average deformation resistance and restraint coefficient on the performance of the metallic material. The review encompasses the state of the art of the subject and includes a critical analy......
1055 
Sophia
Defects and Prevention of Liquid Die Forgings: Shrinkage Cavity and Porosity
Introduction
Die casting is a very common form of manufacturing that is widely used in the automotive and aerospace industries. It is often used to produce intricate parts with complex geometries in high volumes. The process offers excellent dimensional accuracy and surface finish, while also all......
Die-casting mold casting commonly used delayed core-pulling stroke required oblique pin length increase
The length of the inclined pin used in die casting for a delayed extraction stroke depends on a variety of different factors that need to be taken into account. A number of different calculations are required to determine the length of the pin accurately, and these can be made using a few simple e......
Hot cracking of steel castings
The importance of control of thermal cracks of steel castings
Introduction
Thermal cracking occurs as a result of the uneven cooling of steel during the casting process. It is a common problem in the production of steel castings and requires special attention to its prevention. Properly controll......
Bar ears and their causes and prevention methods
Introduction
Sticker ear is one of the most common problems encountered in the manufacture of round timber. Sticker ear appears mostly along the independent visible layers. Usually the sticker ear has a jagged shape with a sharp end. The sharp part causes injury to the fingers and other injuries ......
Types of Thinning Spinning
Thin Walled Cylinder Hydroforming
Thin walled cylinder hydroforming is a relatively new process that is quickly gaining popularity in a variety of industrial applications. This process is a prestigious process which consists of bending, forming, and shrinking a tube by forcing them inside a die. ......
cooling after rolling
Cold rolling is a process by which a steel product undergoes several stages in order to reduce its thickness and improve its surface properties. Cold rolled steel is often used for industrial purposes, such as in pressure vessels, shipbuilding, and automotive components. During the process of cold ......
Pipe reduction
Pipe Reduction
Pipe reduction is the process of reducing a steel pipes inner diameter, wall thickness or both. The end goal of the process is to reach the desired pipe size, shape and material. The process of pipe reduction can be achieved by several different methods, each with its own capabilit......
Aluminum and zinc alloy extrusion forming technology that has attracted much attention
Abstract
Forming technology of aluminum and zinc alloys is an important method of shaped structures. It not only simplifies complicated structures such as ribbons, but also improves the performance of materials. In recent years, with the rapid development of the automotive, aerospace and shipbuil......
Friction Stir Welding for Steel
Friction Stir Welding of Steel
Friction Stir Welding (FSW) is an innovative welding technique that is becoming increasingly popular and widely used in the industry. This process involves the use of a non-consumable tool that is moved along the workpiece surface at a relatively high speed and with......
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