Forging of metals and alloys
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Technical characteristics of forging
Forging is considered the technology of the third redistribution of metallurgical products, in which laminated or semi-finished products and steel bars take the form of forgings, blanks, suitable for direct obtain from them details that need only minor revision.
Forging is the operation of hot plastic deformation, as is the forging temperature exceeds the recrystallization temperature of most metals and alloys. However, there are exceptions that are to tight or low-melting metals and alloys. For example, the temperature forging molybdenum of about 800 °C is considered cold because of recrystallization of the metal at such temperatures is not yet happening. On the contrary, the forging of lead at temperatures over 30 °C for the same reasons is considered hot.
During forging the workpiece undergoes deformation flat or shaped with a tool, causing the metal gets addressed for all three coordinates. Most often, the initial billet is reduced in height, increasing in the directions of length and width.
CMH offers to buy at cost-best price various shape and dimensions of the workpiece from any metals and alloys. Supplier will deliver products to any address specified by the consumer.
Varieties of wrought
Depending on the shape of the anvil forging can be free and profile. In the first case, the heated metal is placed on a flat solid plate, made of tool steel, and then deform the movable parts of the forging hammer falling. Such a hammer is a machine which is driven by steam, compressed air, a mixture of steam and compressed air, or liquid to high pressure. Hammers small energy can also be mechanical parts.
During the stroke of the striker of the hammer on the workpiece, the metal gets directional move in free for this direction, lengthening in one or two coordinate axes. Professional forging metal deformation does not flat, and the notched hammer. As a result, the precision of forgings is increasing with the simultaneous increase in the efforts of deformation.
Technological parameters of forging
The energy of impact, kJ;
Deformation force, kN or MN;
The number of moves of the striker per minute;
The beginning of forging temperature, °C;
The temperature of the end forging, °C.
CMH offers to buy at a economical price forging of various metals and alloys in a large range of sizes and weights. Supplier will deliver products to any address specified by the consumer.
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