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            擠出機螺桿機筒技術指標
            發表時間:2017-9-6 11:48:00  點擊:1614
            技術指標:
            材料選用優質38鉻鉬鋁(38CrMOALA)調質硬度:HB240~280
            氮化硬度:HV≥850
            氮化深度:0.45~0.80mm
            氮化脆性:≤二級
            表面粗糙度:Ra0.4
            螺桿直線度:0.015mm
            氮化后表面鍍硬鉻度:HV≥900
            鍍鉻層厚度:0.03~0.10mm
            雙合金硬度:HRC56~65(合金采用鎳基合金)
            合金深度:1.2~3.0mm

            Copyright 2017 ? 舟山市海太塑料機械有限公司 浙ICP備19002473號    技術支持:興網網絡

            備案號:浙ICP備19002473號

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