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ڣ2019-09-21  Դwww.greentechbuyer.org

ģʹÜض(Ҝ߹ض)ȾõĿȡȡտsʡʡ_gԺӲȵWܵƥ䡣

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ͬ͵ģߌģ߲ҪWܾwָأͬrH]ҜWܶҕҪČHضȵָ;м׷äĿÓxHȫָˡ磺׃οOߵy׃κϽ呼rģ߳ܵđ^ģ߲ʹÜضµĿȕrģ_шU;ģ߳ܵđ^ģ߲ʹÜضµȕrtģݵ׃Σ呼@Nl£ҪxȺȸߵģ߲ϣҼ㣬ģ߲ϵĿȑ춑ܑ30%ϡFor example, in the case of alloy forgings with extremely high deformation resistance in cold forging, when the stress borne by the die exceeds the tensile strength of the forging die material at the service temperature, the die will crack and be scrapped. If the stress on the die exceeds the yield strength of the forging die material at the service temperature, it will cause permanent deformation such as die collapse and lead to forging out of tolerance. In this condition, it is necessary to choose the high tensile strength and yield strength of the forging die materials, as forging die materials tensile strength should be greater than the stress should bear more than 30%.

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    ָϵӲҼ̶ȲԷӳˮƽӲȺĥʷNPϵҼӲȸߵIJϣĥҲãˣSģֻ߲ͨεҎӲȵҪ

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    ͨģߵĹض200桫600ߣ@ӌĜضȅ^gԼ}_ʽğؓɺ͙CеؓL£ģ߲ϽM׃(Ӳ)IJԣ¼ĥp׃κѣĶʹģǰʧЧˣwww.bb6.us,216xx ϵͳ,eee444ķԌģʹÉҪxģõČԺͻػԣʹģڏsĹl±ģ߱ӲȺͽMԡ

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    ģ߲ϵұ|ģߵĿɿԡͽʮҪӰ푡ģκβλĵͱ͸߱MWܶ횷ϼglҪ󣬲SĿҕҊķǽٺͽيAssס򡢇ƫɡcѼyڵȵͱMȱݣԼ^^ᡢÓ̼B̼ȸ߱Mȱݡ

    ģ䓳ɷִ_(һI˜)QģģK|Ҫұˇmӹˇa`Ctұ䓱^ãȸߡܡ򡢸СVٽ׃Ρ煰κ̎ȹģK^mģAfter the composition of die steel is determined (according to national or enterprise standards), the main factors that determine the quality of die steel modules are metallurgical process and subsequent processing process. Production practice has proved that the steel smelted by electroslag furnace is better, with high purity, density, uniformity and small anisotropy.

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  • ģ䓵Ĵ͸ԽߣӲ(RwMRwM)ԽtģĥԺá͸Ǻģ䓽ܴҪIxģ䓼̎ˇҪ

    7.

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