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Based on the image morphology technology and takes IEEE 1394 digital camera as the image catching tool, which is to be able to check the number of the actual contacts of each area on the box guide ways and the distribution uniformity of each area of machine. By setting from an experienced scraping technician as example, there should be around 16~24 points on the bearing surface per square inch which is considered as an acceptable level of its tolerance. The performance of tolerance of the box guide ways can be secured to ensure the precision requirement of machine. The evenly distributed lubrication on the surface of box guide ways can be assured to prolong the machine life of usage. This study can eliminate the disadvantage by the inspections with naked eyes of quality control inspectors. After practical tests, the contact points on the box guide ways can be firmly check, it will be a big amount of reduction of machine producing cost which is generated by lack of inspection by eyes and the repeat scraping job. The computerized inspection record will be great benefit for supporting after sales service Index Terms-scraping, guide ways inspection, image processing, machine tool

No abstract