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ATEK Training Services
Unit 2, Enterprise Centre, Hill Road, Killaloe,
Co. Clare, Ireland.
T: +353 61 622426
F:
+353 61 622426

E-mail: ATEKTRAINING

  
  

   Lead Free Rework

Course Objective:
After completing this course, trainees will be able to identify the main parameters of Lead Free rework, including associated materials and processes. The course will also outline the importance of proper heat transfer, and the consequences of numerous rework cycles. Trainees will also learn and practice proper rework techniques. Training will be given in accordance with IPC-7711 "Rework of Electronic Assemblies" and IPC-A-610 workmanship standards.

Lesson Plan:

Subject
Contents
Legislation Background to Lead-Free implementation
Consequence of Lead Free
soldering/Materials
Higher temperatures, wetting, surface tension, component and board finished, fluxes and their performances, oxidation, solder wire alloys and gauges, cleaning process.
Rework Process and
Equipment
Solder tip selection, tip plating, tip care/tinning, thermal transfer, use of heat bridge, conduction/convection heating methods temperature guidelines, equipment maintenance, bad habits associated with rework, lighting requirements, ESD requirements, the use of preheat/auxiliary heating, fume extraction.
Lead-free solder joint
Inspection and
workmanship standards
Inspection magnification requirements, Inspection equipment, Workmanship standards, solder joint defects, when to and when not to rework.
IPC Lead Free hand
soldering DVD
Practical demonstration of techniques
Written Assessment Multiple-choice assessment of IPC DVD
Lead free rework practical Demonstration by IPC Master Trainer followed by practice and workmanship assessment. Components covered include: Axial, Radial, DIPS, SMT chip components and MELFs, SOTs, SOICs, QFPs and PLCCs. (Components may be added or removed as required)Demonstration by Master IPC Trainer followed by practice and workmanship assessment. Components covered include: Axial, Radial, DIPS, SMT chip components and MELFs, SOTs, SOICs, QFPs and PLCCs. (Components may be added or removed as required, participants are also encouraged to bring along samples of their own product)
Feedback Feedback given to each trainee on an individual basis by ATEK Master IPC Instructor.

Course Duration:
1 day for advanced/expert skilled trainees*
2 days for new/intermediate skilled trainees*

Skill Level:
* New: No previous soldering or rework experience
* Intermediate: Basic soldering and touch-up skills
* Advanced: Good soldering experience with exposure to most rework & repair procedures but
* lacking extensive experience
* Expert: Advanced soldering skills and extensive experience in most rework & repair procedures


Suitable For:
Rework operators, technicians or anyone who wishes to enhance their practical skills in the correct rework techniques of PCBs.


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