这类钻头可以有三条或四条出屑槽及相同数量的保证良好导向的导向边，这样使得加工有高精度。
This type of drill may have either three or four flutes and equal number of margins, which ensure superior guidance, thus resulting in high machining accuracy.
设计了波纹挡边输送带模具，其中包括导向条、挡板及波形挡边模具的设计。
Moulds of conveyer belt with corrugated fold were designed including the moulds of guide stripes, scrapers and corrugated folds.
介绍了一种在摩压机上采用无飞边模锻齿轮坯的模架结构。对模具的导向、顶料装置以及主要构件的选材、热处理进行了论述。
Introducting a gear billet forming die carrier structure used on friction press for no fash forming discusses die carrier guide, ejector pins and main elements selection of materials, heat treatment.
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