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Roll forging machine
Roll forge machine
Roll forging is a metalworking process whereby a metal bar is passed through two rolls in order to reduce its cross-section. The rolls function as a tool, transforming the metal into a desired shape while adding strength and work hardening the metal. Variations of the process i......
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How oil film bearings work
Oil Film Bearing
A bearing is a machine element designed to support a moving part, decrease the amount of friction between moving parts, and minimize vibration and any noise. The two main groups among bearings are rolling element bearings and hydrodynamic (or fluid film) bearings. Oil film bearin......
The principle and application of water wheel pump
The Principle and Application of Turbine Pumps
A turbine pump is a type of device or machine that uses a turbine blade to convert kinetic energy of flow into hydrodynamic energy, which is then used to move a liquid in a pressurized manner. Turbine pumps use centrifugal force to convert mechanical......
Vibration of bearings and temperature inspection of bearings
The Vibration and Temperature Check of Bearings
Bearing vibration and temperature are two of the most important parameters to consider when working with rolling-element bearings. Bearings typically generate vibration due to their internal stresses, caused by external loads, misalignment and othe......
The Concept and Application of Tribology (Part Two)
Friction as an engineering phenomenon is not only an engineering subject but also a fundamental scientific topic. Friction has an important influence in the engineering design especially on assembly and machine working. In order to gain the better understanding of the principle of friction, the fr......
Types and selection of centrifugal pumps
Centrifugal pump type selection and application
Centrifugal pumps are widely used in many different industries due to their simple construction and cost-effectiveness. The pump uses the centrifugal force created by a rotating impeller to add kinetic energy to the liquid to increase the flow rate ......
Machining of high-strength steels - main angles of turning and milling cutters
Cutting of High Strength Steel-End Mill and Milling Cutter
High strength steel has been widely adopted in engineering industry due to its high strength and good performance in mechanical and environmental conditions. Generally, high strength steel has a high carbon content and has been quenched a......
Technical parameters of WEDM (2)
Electrical Spark Wire Cutting Machine Technology Parameters (II)
Keyhole drilling
Keyhole drilling is a technique to process thicker workpieces. Instead of tapping a hole along the full depth of the hole, keyhole drilling is done in three stages. First, a hole is drilled over a short distance. A......
Isostatic press
Introduction
The machine tool industry is an essential part of the manufacturing sector. The industry has seen steady growth in recent years, driven by advancements in technology and concurrent growth in demand for more sophisticated products. One of the most important pieces of equipment in the ......
Skewing Mill Rolls
Rolls in Hot Strip Mills
Rolls in hot strip mills are very different in design and concept. The knowledge of the specific rolling conditions and the appropriate roll materials are critical for achieving the longest service life of the rolls. Hot strip mills consist of several sequential stand wit......
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