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Search results for keyword: change
Influence of finishing rolling process on quality of crankshaft thrust end face
The Impact of Precision Rolling Technology on the Quality of the Crankshaft Pressing End Face Abstract The crankshaft end face is an important part of the crankshaft. In recent years, automobile companies have begun to use precision rolling technology to improve the quality of the crankshaft end ......
metal processing technology metal processing technology
Metal Processing Technology The use of metal processing technology dates back centuries, to the early forges and blacksmiths of pre-industrial times. In modern industry, metal processing still forms an essential element of any equipment’s design, manufacture and maintenance. Humans, more than an......
Research on Localization of Cold Stamping Die for Imported NC Punch Press
In the traditional machining process, the precision and efficiency of parts processing are limited to some extent. Fortunately, with the development of numerical control technology, the processing quality is ensured, and the production efficiency is improved to a certain level. In the current situ......
tags: punching control numerical cutting cnc punch
1041
Jordan
Spring steel (GB 1222-64) (1)
Spring Steel (GB 1222-64) (1) Introduction Spring steel is a special type of steel that is used in the production of springs and other related products. It is a high carbon steel with a tensile strength range of between 35 to 75 kg/mm². The main chemical elements that make up spring steel are mang......
tags: steel spring tests steel springs spring
1057
Oliver
GB/T 9788-1988 Dimensions, shape, weight and allowable deviation of hot-rolled unequal angle steel
GB/T 9788-1988 Hot Rolled Unequal Angles: Dimensions, Shape, Mass and Permissible Deviations This standard applies to hot rolled unequal angles for use in structural engineering. The size tolerance for dimensions such as width (tolerance for the range of ± 0.4 to ± 5 mm) and length shall be i......
tags: should hot rolled unequal angle steel
1056
Sophie
Technical parameters of cold chamber die casting machine
1 Introduction The cold chamber pressure casting machine is a common type of die casting equipment that uses pressure, rather than gravity, to pour molten metal into highly detailed and tightly sealed die cast molds. It has the advantages of simple structure, compact structure, easy operation and......
tags: pressure casting machine die chamber used
1037
Sophie
Surface quality of waste heat treated steel bars (GB 13014-1991)
Surface Quality of Heat-Treated Steel Rebar Heat-treated steel rebar is widely used in the construction industry for its strength and durability. Rebars are made from reinforcing steel that is heat-treated in order to give the metal greater strength and ductility. Heat-treated rebar is known for ......
Waste heat treatment steel bars for reinforced concrete (GB 13014-1991)
Heat Treatment of Steel Bar for Reinforced Concrete (GB 13014-1991) The heat treatment of steel reinforcement for reinforced concrete structures is mainly to control the hardness and strength of steel, reduce the overall weight, and improve the formability, weldability and workability of steel. G......
tags: steel heat treatment steel bars shall
1028
Sophia
GB/T 16270-1996 Heat-treated and controlled-rolled steel plates and strips for high-strength structural steels
GB/T 16270-1996 High Strength Structural Steel Heat Treatment and Rolling Steel Plate, Steel Strip GB/T 16270-1996 High Strength Structural Steel Heat Treatment and Rolling Steel Plate, Steel Strip provides the requirements and test methods for the heat treatment and rolling of high strength stru......
GB/T 3273-1989 Designation, chemical composition and properties of hot-rolled steel plates for automobile frame
GB/T 3273-1989 Hot-rolled Steel Plate for Automobile Beams - Brand and Chemical Composition, Properties and Performance GB/T 3273-1989 hot-rolled steel plate for automobile beam is a hot-rolled steel plate punched from a slab by automatic continuous casting. The permeability and magnetic properti......
tags: steel plate hotrolled should steel meet
1031
Alison
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