DVD-CHPTHD-Script.pdfVIP

DVD SCRIPT Through-Hole Solder Joint Workmanship Standards – Class 2 and 3 (DVD-CHPTHD) Approved : ______ Through-Hole Solder Joint Workmanship Standards ? 12/19/2007 ? 1 V I S U A L A U D I O FADE IN: 1. Main Title + Section 1: Introduction 标题 + 第一章：简介 2. 本DVD 培训课程解释用以鉴定镀 This DVD training program explains the important 通孔焊接的主要工艺标准。内容分 成四个部分：简介 – 2 级和3 级培 workmanship standards for evaluating through- 训共用；可接受条件 – 分成2 级 hole solder joints. The contents are organized 或3 级产品专用；目检缺陷条件 – 2 级和3 级共用。 into four sections: an introduction – which is common to both Class 2 and 3 training; acceptance criteria – specific to Class 2 and Class 3 products; and visual defect criteria – common to both Class 2 and 3. 3. 本培训课程集中于锡铅焊接的鉴 The focus on this training program is on solder 定。虽然无铅焊接的可接受条件是 一样的，但在外观上有一些重点需 joint evaluation using tin-lead solder. While the 另加考虑。对比并解释这些分别， criteria covered is the same for lead free, there 请参考《IPC-DVD-45C 无铅手工 焊接》。 are important visual considerations between the two types. For a comparison and explanation of these differences, please see IPC-DVD-45C, Lead Free Hand Soldering. 4. 本简介阐释镀通孔焊接、业界焊接 This introduction will explain through-hole solder 可接受标准、产品分级和焊接词 汇。 joints, industry specifications for solder joint acceptance standards, classes of products and Appr