트리포드 조인트 스파이더와 그 제조방법 및 이에 적용되는 합금강
    11.
    发明公开
    트리포드 조인트 스파이더와 그 제조방법 및 이에 적용되는 합금강 审中-实审
    三脚架接头蜘蛛及其制造方法及其合金钢

    公开(公告)号:KR1020170115143A

    公开(公告)日:2017-10-17

    申请号:KR1020160041191

    申请日:2016-04-04

    Inventor: 이시엽

    Abstract: 본발명에의한트리포드조인트스파이더와그 제조방법및 이에적용되는합금강은, 자동차용트리포트조인트에삽입되는스파이더를제조하는방법으로서, 중량%로, C: 0.45~0.60%, Si: 0.30~0.50%, Mn: 0.8~1.3%, Cr: 0.40~0.80%, Mo: 0.40~0.90%, V: 0.01~0.10%, Al: 0.02~0.10%, P: 0.030% 이하(0 제외), S: 0.030% 이하(0제외), B: 0.004% 이하(0제외), 잔부 Fe 및불가피한불순물을포함하는재질의환봉을제조하는단계, 환봉을단조가공하여 1차성형물을제조하는단계, 1차성형물을절삭가공하여 2차성형물을제조하는단계, 2차성형물을고주파열처리하여경화시키는단계및 경화된 2차성형물을연삭가공하여완제품을제조하는단계를포함한다.

    Abstract translation: 本发明的三脚架式万向节及其制造方法以及应用于该主轴的合金钢,由C:0.45〜0.60%,Si:0.30〜0.50% ,Mn:0.8〜1.3%,Cr:0.40〜0.80%,Mo:0.40〜0.90%,V:0.01〜0.10%,Al:0.02〜0.10% (不包括0),B:不超过0.004%(不包括0),余量为Fe和不可避免的杂质,通过锻造圆棒来生产一次成型品,切割一次成型品 制造二次成型体的工序,通过高频热处理使二次成型体硬化的工序,以及将固化后的二次成型体研磨而制造成品的工序。

    고강도 구상흑연주철 및 그 제조방법
    13.
    发明公开
    고강도 구상흑연주철 및 그 제조방법 无效
    SPFEROIDAL GRAPHITE CAST IRON AND METHOD FOR PRODUCE THE SAME

    公开(公告)号:KR1020130000727A

    公开(公告)日:2013-01-03

    申请号:KR1020110061431

    申请日:2011-06-24

    Inventor: 이시엽

    CPC classification number: C22C37/04 C22C33/04 C22C33/10 C22C37/10 C22C2202/00

    Abstract: PURPOSE: High-strength spheroidal graphite cast iron and a manufacturing method thereof are provided to prevent an increase in the weight of parts and to secure a suitable elongation ratio as well as increased strength. CONSTITUTION: A method for manufacturing high-strength spheroidal graphite cast iron comprises the steps of: melting a material to obtain a melt(S100), injecting the melt into a mold at 1300-1500°C(S200), solidifying the casting and regulating cooling speed to maintain 70-90% of pearlite(S300), and separating the casting from the mold and air-cooling the casting(S400). [Reference numerals] (S100) Melting; (S200) Injecting; (S300) Solidifying; (S400) Air-cooling

    Abstract translation: 目的:提供高强度球墨铸铁及其制造方法,以防止零件重量的增加并确保合适的伸长率以及增加的强度。 构成:制造高强度球墨铸铁的方法包括以下步骤:熔化材料以获得熔体(S100),将熔体注入模具中在1300-1500℃(S200),固化铸造和调节 冷却速度保持珠光体的70-90%(S300),并将铸件与模具分离并对铸件进行空气冷却(S400)。 (附图标记)(S100)熔融; (S200)注射; (S300)凝固; (S400)风冷

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