Search results for keyword: perforation
Shrinkage cavity
Reaming is a type of machining process in which material is removed with a multi-point cutting tool, usually a twist drill. Reaming is used to produce a hole that is very smooth and has accurate diameters.
In basic reaming process, a hole is drilled with a drill bit of slightly smaller diameter t......
1040 
Sophia
Bacteria perforator perforation
Perforating machines are an important part of many industries today. They are used to make holes in various materials, including metal, plastic, wood and other substrates. They can also be used to drill, bore, tap and shape materials. Perforating machines are extremely versatile and can be utilize......
Washing screen
Ore Sieving
Ore sieving is the process of separating valuable ore from worthless ore. This is an important task for miners, as it makes sure that they dont waste time and effort collecting and processing ore that has no value. By separating ore that has value from ore that is worthless, miners ca......
Well Guanji is being cemented
The mechanical casing process, or “cementing” is an important step in the oil and gas drilling process that involves running steel or fiberglass casing into the drilled hole. The purpose of this process is to provide stability to the well, to help prevent the sides of the hole from collapsing as......
Finishing pass system
Rolls Piercing System
Rolls piercing system is a modern technology used to process advanced materials such as stainless steel, aluminum, and titanium. Rolls piercing, also known as “cold tempering”, is a highly efficient and cost effective way to produce through hole shapes in a quick and econo......
Pass pattern and pass design
Abstract
In recent decades, researchers have studied the use of perforations in different applications. perforations have found their way on belts, sheets, laces and various items; they create a reduction of weight, offer grip and provide structure. In this article, a research investigation has b......
Hole expansion test
Micropile Quality Assurance and Testing
Micropiles are a type of foundation construction that is increasingly used for a variety of major structures, especially those subject to high load, vibration, and risk of collapse. Although micropiles are generally understood to provide improved structural......
Cross rolling piercing principle
Cold Roll Hole Piercing
Cold roll hole piercing is a process that is used to form holes in sheet metal or plate. It is a cost-effective manufacturing process and is often used for mass-producing parts that require precise holes. Cold roll hole piercing uses a special tool, usually a carbide-tippe......
pressure perforation
Introduction
High-pressure waterjet perforation, also known as Waterjet peening, is an effective method of applying force to the surface of a material in order to induce the formation of various shapes, textures or indentations. It is a process used to create a unique pattern on a material surfac......
Influence of Centering Error of Backup Roll in Secondary Cooling Zone of Continuous Casting on Slab Quality
The influence of double rolling camber fit error of secondary cooling area bearing roller on casting quality
In the process of continuous casting, the double rolling camber fit error of secondary cooling area bearing roller has a great influence on the quality of the casting product. The double r......
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