Shell core box 壳芯盒
Shell core and cold box coremaking are the main technique at present.
目前制芯工艺主要采用壳芯和冷芯盒制芯技术。
Mechanisim of hot-core box non-occupying coating process, its practical effects on manufacturing the whorl shell core, and its technical essentials have been summarized in detail.
介绍热芯盒法非占位涂料技术的原理，及其在制备螺纹壳芯中的应用效果，并归纳总结其工艺要点。
A double core high-temperature cable and the thrum of the spiral coil are welded in the I-shaped circular framework, and then extend out and are connected with a linker box arranged on a ladle shell.
双芯高温电缆与螺旋形线圈的线头在工字形圆环骨架内焊接后穿出，与装在钢包壳体上的连接器盒连接。
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