Ningbo VESTA Industry Co., Ltd.
Forging Parts,Steel Forging Parts,Copper Forging Parts,Aluminium Forging Parts
By forging can eliminate the castingdefects such as loose metal produced in the smelting process at the same time,the microstructure is optimized, the metal flow and preservation of theintegrity of the mechanical properties are generally better than the samematerials forgings castings. Mechanical load is high, the important parts ofharsh working conditions, in addition to the plate shape is simple by rolling,welding material or, by forging.
Steel began the recrystallizationtemperature about Wuxi turbine blade biggest blow force of 35 thousand and 500tons of screw press and Wuxi turbine blade biggest blow force of 35 thousandand 500 tons of screw press is 727 DEG, 800 DEG C but generally used as thedemarcation line, is higher than 800 DEG C hot forging; between 300 to 800 DEGC called warm forging or semi hot forging, for forging at room temperature iscalled cold forging. For most industries are forging hot forging, warm forgingand cold forging, mainly used in automotive, general machinery parts such asforging, warm forging and cold forging can be effective in saving material.
The forging material is mainly carbon steeland alloy steel components, followed by aluminum, magnesium, copper, titaniumand its alloy material. The original state of a bar, ingot, metal powder andliquid metal. The cross-sectional area of metal in the cross sectional area anddeformation before and after the ratio as the correct choice of forging ratio.Forging ratio, heating temperature and holding time reasonable, reasonableinitial forging temperature and forging temperature, deformation anddeformation velocity reasonably to improve product quality, reduce the cost ofa great relationship. The general small and medium sized forging material asblank with circular or square rods. Grain structure and mechanical propertiesof the bar uniform well, the shape and dimension accuracy, good surfacequality, easy to mass production. As long as the heating temperature anddeformation conditions of reasonable control, without large forging can forgedexcellent forgings.
Mainly speaking,based on the threedifferent material,we can make steel forging farts,copper alloy forging partsand aluminium alloy Forging Parts.
Different forging method have differentprocesses, the process of hot forging is the longest, the general order:forging billet heating; forging; forging billet preparation; forging; trimming;punching; correction; intermediate test, test size and surface defects offorging; forging heat treatment, with in order to eliminate forging stress,improve metal cutting performance; cleaning, mainly to remove the surface oxideskin; correction; check, general appearance and hardness inspection after forging,forging an important even after the chemical composition analysis, mechanicalproperties, residual stress test and nondestructive testing.