齿孔

沿齿孔把邮票撕开。

Tear the sheet of stamps along the perforations .

后方齿孔都是看得见，对切缘。

The rear perforations are visible on the cut edge .

以ANSYS为平台，利用有限元方法对矿用牙轮钻头牙轮齿孔过盈配合进行了有限元计算，并分析了牙齿和齿孔应力分布规律及过盈量对其的影响。

The over-fixation of mine-used rotary drill bit tooth hole was calculated by the finite element method on ANSYS , also analyzed the distribution laws of tooth hole and tooth stress field and influence of the over-fixation .

三牙轮钻头牙轮齿孔表面装配应力测试分析

Test and analysis of assembly stress in the tooth holes of tri-cone bit

公差弥补法在极坐标钻铰齿孔量具中的应用

Application of Tolerance Compensation on Polar Coordinate Measuring Tool for Drilling & Reaming Compact Hole

他在你的票上打眼了吗？大张的邮票上打有齿孔。

Did he punch a hole in your ticket ? Sheets of postage stamps are perforated .

一张打有齿孔的邮票

A perforated sheet of stamps

把气孔打开，火要熄了。大张的邮票上打有齿孔。

Open the air hole ; the fire is dying down . Sheets of postage stamps are perforated .

前向齿孔：纸带上和代码孔相并行排列的齿轮孔。

Advanced feed hole : Refer to sprocket holes of paper tape , which are in line with the leading edge of the code holes .

又，该带体的另一端则形成有齿孔，能于螺栓体的螺纹部咬合。

Besides , the other end of the belt body is provided with a toothed hole which can be engaged with a thread part of the bolt body .

如果被请求的，后方齿孔上的横向力，可以设置背部和优势，可以完成，以配合面临的木板。

If requested , the rear perforations on the transverse edge can be set back and the edge can be finished to match the face of the plank .

齿孔计算模型以及牙轮设计和加工过程中，必须考虑牙轮纵横向刚度以及邻孔压齿的影响。

Therefore the influence of the longitudinal and lateral rigidity of the cone and tooth pressing in the adjacent holes must be taken into account in the design and machining of the cone .

根据钻铰齿孔极坐标检具的具体情况和生产现状，通过对该检具的综合误差分析提出的公差弥补法可有效地应用于钻铰齿孔工序的检测中。

Based on specific situation of the polar coordinates measuring tools for drilling reaming compact holes , current production status and composite error analysis of the measuring tools , a tolerance compensation method is effectively used in drilling reaming compact hole operation for taking precise measurements .