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12visiting参观

The 1 H420134 construction quality statisticses the application of analyzing the method 1.arrange a diagram method.It is to improve quality item according to from the importance arrive next in importance carry on arranging analysis, look for to influence quality thus

A kind of effective method of lord time http://www.smgjsp.com/doc/85b5bf7249649b6648d747d7.htmlually press the total amount frequency to divide the line(0%~80%),(80%~90%) , (90%~100 ‰s) three parts,

With it to should of impact factor difference is 3 types for A, B and C.AN is a main factor, B is a next in importance factor, and C is a general factor.

For example:Copper row within some electrical engineering gearing the quality check analysis, copper row install quality unqualified point statistics the form see form

1 H420134-5.The copper lines up to install quality to be unsuited to grid point alignment diagram to see figure 1 H420134-1.

The copper lines up to install an unqualified point of quality a statistics form table 1 H420134-5

The ordinal number checks an unqualified point of item to repeatedly count frequency(%) total amount frequency(%)

L neat degree 757550.050.0

2 level degree 454530.080.0

3 perpendicular degree 1515 lOs.0 90.0

4 elevations 885.395.3

5 are apart from 442.798.0

6 other 332.0100.0

Add up 150150100.0

(Four)The cause and effect analyzes a diagram method

1.the cause and effect diagram also call fish bone diagram, tree branch diagram.

For example:The steel structure varnishes surface to appear big area to return a rust phenomenon after installing, the figure 1 H420134-2 is analytical for cause and effect diagram result,

The steel structure paint surface returns a rust on an equal footing see table 1 H420134-6. The measure that the factor ordinal number main reason adopts

12visiting参观

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