热处理
熱處理
열처리
HEAT TREATMENT
2014年
2期
68-71
,共4页
纵向电流感应器%阶梯式零件%淬硬层
縱嚮電流感應器%階梯式零件%淬硬層
종향전류감응기%계제식령건%쉬경층
longitudinal current inductor%stepped part%hardened case
阶梯式零件的台阶部位采用普通圆环形感应器难以获得良好的感应淬硬效果。天津市热处理研究所有限公司研制了一种新型纵向电流感应器，从而解决了这一问题。采用纵向电流感应器对带台阶的QT600球墨铸铁制拖链轮进行了中频感应淬火，结果表明拖链轮的轮缘和台阶处硬度及硬化层深度均达到了技术要求。
階梯式零件的檯階部位採用普通圓環形感應器難以穫得良好的感應淬硬效果。天津市熱處理研究所有限公司研製瞭一種新型縱嚮電流感應器，從而解決瞭這一問題。採用縱嚮電流感應器對帶檯階的QT600毬墨鑄鐵製拖鏈輪進行瞭中頻感應淬火，結果錶明拖鏈輪的輪緣和檯階處硬度及硬化層深度均達到瞭技術要求。
계제식령건적태계부위채용보통원배형감응기난이획득량호적감응쉬경효과。천진시열처리연구소유한공사연제료일충신형종향전류감응기，종이해결료저일문제。채용종향전류감응기대대태계적QT600구묵주철제타련륜진행료중빈감응쉬화，결과표명타련륜적륜연화태계처경도급경화층심도균체도료기술요구。
The step of stepped part is difficult to be well induction hardened with conventional ring inductor .A new type of longitudinal current inductor has been developed in successfully developed in Tianjin Heat Treatment Institute Co., Ltd., consequently the above problem has been solved .The stepped drag chain wheel of QT 600 nodular iron has been medium-frequency induction hardened with the longitudinal current inductor , as a result, the hardness and case depth in both the step and the flange have conformed with the requirements .
