In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一偏置的多锥形轮和一圆柱形滚轮及两组成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

轴径向和轴向的载能都比较大，各配件可替换性强。轴调节偏心外六角来调整芯轴位置进而达到调整侧滚轮轴向尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏置的多锥形牙轮一个圆柱形滚轮及两个牙掌组成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

轴承轴的承载能都比较大，各配件换性强。轴承通过调节偏心外六角来调整芯轴位置进而达到调整侧滚轮轴尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏的多轮和一个圆柱滚轮及两个掌组成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

承径向和向的承载能都比较大，各配件可替换性强。承通过调节偏心外六角来调整芯进而达到调整侧滚轮向尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏置的多锥形牙轮和一个圆柱形滚轮及两个牙掌组。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

径向和向的载能都比较大，各配件可替。通过调节偏心外六角来调整芯位置进而达到调整侧滚轮向尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏置的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

轴承径向和轴向的承载能都比较大，各配件可替换性强。轴承通过调节偏心外六角来调整芯轴位置进而达到调整侧滚轮轴向尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏置的多锥形牙轮和一个圆柱形滚轮及两个牙掌组成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

轴径向和轴向的大，各配件可替换性强。轴通过调节偏心外六角来调整芯轴位置进而达到调整侧滚轮轴向尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了一种新型小尺寸钻头，它主要由一个偏置的多锥形轮和一个圆柱形滚轮及两个成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

径向和向的载能都比较大，各配件可替换性强。过调节偏心外六角来调整芯位置进而达到调整侧滚轮向尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了种新型小尺寸钻头，它主要偏置的多锥形牙轮和圆柱形滚轮及两牙掌组成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

轴承径向和轴向的承载能都比较大，各配件可替换性强。轴承通过节偏心外六角来芯轴位置进而达到滚轮轴向尺寸的目的。

In this paper,a new small-sized bit is introduced.The bit is mainly composed of a biassed polyconic cutter,a cylindric roller and two bit legs.

文章介绍了种新型小尺寸钻头，它主要由偏置的多锥形牙轮圆柱形滚轮及两牙掌组成。

With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

轴承径向轴向的承载能都比较大，各配件可替换性强。轴承通过节偏心外六角芯轴位置进而达到侧滚轮轴向尺寸的目的。