巧用简单图形提高识图能力

Use simple graphics to improve your ability to read

数控铣工、加工中心操作工中、高级证考中,经常出现学生看错、看漏标注或对标注理解错误造成的零件图形画不出或者画错,造成证考不能通过的结果。笔者经过仔细分析,发现学生的识图能力不足是主要原因。如何快速的提高学生的识图能力成了教学难题。通过总结多年教学经验,发现利用简单图形变换标注的教学方法可以有效提高学生的识图能力。

Nc miller and machining center operator, senior certificate exceeded otherregions in, students often appear wrong, look at mark or understanding tagging error caused by leakage parts graphics drawing out or fault, causing the test not passed by the results. After careful analysis, the author found that the lack of ability of students ' ability is the main reason. How to quickly improve students ' ability to read pictures has become a teaching problem. By summarizing many years of teaching experience, it is found that the teaching method with simple graphic transformation annotation can effectively improve the students ' ability to read.