激光标线仪发射相互垂直的水平激光线和垂直激光线,作为建筑工程与装修装饰用施工的基准,得到了广泛的应用.本文从激光标线仪的原理入手,分析了水平激光线的几种可能的误差:水平度、倾斜度和弯曲度的形成机理和表达方法.将这些误差进行分离,可以指导仪器的的校正;将这些误差进行合成,可以综合评定仪器的精度.

Cross line laser emits horizontal lines and plumb lines which are upright to each other.It was widely used as the benchmark in the construction of building and fitment.According to its basic principle,three errors were analyzed about their form reasons and expressions.Separate these errors,the instrument can be revised properly.Compose these errors,its precision can be assessed synthetically.