并对同等误差条件下不同定位销的布置对切割偏差的影响进行了比较分析，最后根据上面的分析提出了几点关于定位销位置布局的指导原则。
The influence on the cutting deviation owing to the layout of the pins was analyzed. Some principles about the layout of pins are brought forward.
该方法首先确定前两个定位销在基础板上的位置。
The way first determines the positions of previous positioning pins at base plate.
如果该杯状固定塞脱落，驻车止动爪定位销可能在特定情况下滑移出正常位置。
If the cup plug is missing, the park pawl anchor shaft can move out of position under certain conditions.
如果该定位销滑移出正常位置，车辆可能无法实现驻车档功能，此时，如果没有施加驻车制动，可能发生溜车。
If the shaft moves out of the position, the vehicle may not be able to achieve "park" position. If this occurs and the park brake is not applied, the vehicle may roll away without warning.
弹赞定位销可保证蝶板不会因为蝶板重力作用下坠，还可在下阀杆端部设置调整块来保证蝶板位置固定。
Play great positioning pin ensures disc not because butterfly plate gravity drop, also can be installed in the valve stem end adjustment block to ensure that the butterfly plate fixed position.
孔不在中心的压配合嵌套必须使用合销或扁平健固定其位置，因空间要求合销定位是首选。
Press fit buttons with other than centered round holes will use dowel locator for position or flat key. Dowel locators are preferred due to space requirements.
同时，在四角位置分别对称布置定位销孔，从而使压水堆燃料组件的安装更加灵活方便。
Meanwhile, the four corners are respectively and symmetrically provided with positioning pin holes, so that the assembly of the pressure water reactor fuel element can be more flexible and convenient.
首先，本文以火车钩尾销的目标定位为背景，详细研究了该目标的基于空间关系的定位算法，分析并说明了使用基于空间位置关系定位应该注意的几个问题。
Firstly, locating algorithm based on spatial relationship is discussed in this paper and has applied in automatic checking train images. Some problems are analyzed which exit in this method.
首先，本文以火车钩尾销的目标定位为背景，详细研究了该目标的基于空间关系的定位算法，分析并说明了使用基于空间位置关系定位应该注意的几个问题。
Firstly, locating algorithm based on spatial relationship is discussed in this paper and has applied in automatic checking train images. Some problems are analyzed which exit in this method.
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