VISUAL TESTING (VT)
目视检测
Course Content:
课程内容：
ISO NDT Certification Programs - Introduction to Visual Testing - Physics of Light - The Eye and Vision - Environmental Conditions - Light Sources - Measuring Equipment - Surface Conditions - Materials and Processes -Temperature Measurement - Optical Aids - Inspection Procedures - Technique and sequence of performing test - Capability and limitations of VT Detect ability - Typical defects according to the manufacturing process (forgings, castings, rolling welding, cold working processes; heat treatment processes, surface finishing, material composition, In-service aspects etc.) - instruction writing - Product technology - interpretation and evaluation; acceptance criteria - codes and standards, procedures, and written practices- reporting and preparation procedure for various application.
ISO无损检测认证计划-视觉测试介绍-光物理-眼睛和视觉-环境条件-光源-测量设备-表面条件-材料和工艺-温度测量-光学辅助设备-检查程序-执行测试的技术和顺序-VT检测能力的能力和限制-典型缺陷根据制造工艺（锻件、铸件、滚焊、冷加工工艺；热处理工艺、表面光洁度、材料成分、在役方面等）-作业指导书编写-产品技术-解释和评估；验收标准。规范和标准、程序和书面实践。各种应用的报告和准备程序。
Course Duration:
培训时长
4 days training + 1 day examination for Level 2 4 days training + 1 day examination for Level 3
4天培训+ 1天二级考试 4天培训+ 1天三级考试
Entry Requirements:
培训要求
The minimum duration for experience prior to or following success in the qualification examination is 3 months for level 2. It is strongly recommended that ISO 9712 Level 2 certification in the method sought is achieved prior to undertaking Level 3 exams.
在资格考试成功之前或之后的最少工作时间为2级为3个月。建议在参加3级考试之前，先通过ISO 9712 2级认证。
Course Objectives:
课程目标:
· To explain the basic principles of visual inspection methods and to carry out visual inspection.
解释目视检查方法的基本原理并进行目视检查。
· To write clear and concise inspection instructions and test reports.
编写清晰简洁的检验说明和测试报告。
· To state the parameters relating to inspection of welds, forgings and castings.
说明与焊缝、锻件和铸件检查相关的参数。
· To devise and write NDT procedures and instructions for the inspection of component in the chosen method.
按照所选择的方法设计和编写部件无损检测程序和说明。
· To meet syllabus requirements for ISO 9712/TR25107.
满足ISO 9712/TR25107的教学大纲要求。
