米字型布线布点对铸铁平台特点
时间：2016/2/16 16:01:04
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1.测点分布规则给用基面变换求取最小区域法平面度带来方便；
2.测量截面较少，且每个截面都有一定的代表性，测点为特征点，便于反映被检铸铁平台平面总的弯曲态势及其平整性；
3.通常对角线、长边、短边的长度均不相等，需采用不同跨距桥板检定，数据处理较麻烦；
4.这种按对角线截面为基面进行平面度评定的方法称为对角线法，该法实际上只是将观测结果统一到同一个基准面上，而没有避免由于多余观测产生的重复点的重复误差，这种保留矛盾的计算方法是不够合理的，因此该法需检验与控制其重复误差的大小；
5.测量精度较高，该法易掌握、使用方便，得到了广泛应用。
Characteristic of Metric Wiring Point to
Cast Iron Platform
1. The rule of measuring point distribution
brings convenience to the calculation of minimum zone flatness by base plane
transformation.
2. The measured cross-sections are few, and
each cross-section has a certain representativeness. The measured points are
characteristic features, which can easily reflect the overall bending situation
and flatness of the tested cast iron platform plane.
3. Usually, the length of diagonal, long
and short sides are not equal, so different spans of bridge slabs are needed to
verify, which makes data processing more troublesome.
4. This method of flatness evaluation based
on diagonal section is called diagonal method. In fact, this method only
unifies the observation results to the same datum plane, but does not avoid the
repeated errors caused by redundant observations. This method of calculating
the retention contradiction is not reasonable enough, so it needs to be tested.
Controlling the magnitude of repetitive error;
5. The measurement accuracy is high, the
method is easy to master and easy to use, and has been widely used.
Company name: botou zhuoyuan mechanical equipment manufacturing co.,LTD
Registered
address: jiaohe development zone, botou city, hebei province
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number: 0317-8031093
Contact
information: 15369812793 (WeChat with the same number) liansheng chu
Postcode:
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email:
1358827475@qq.com
Account
Opening Bank: Botou Branch of Bank of China
Account
number: 100399943203
Agricultural
bank account number: 6228481739059615270
http://zhuoyuanjixie.com