DEK高级培训资料 - 第10页
Import ance of Printer A li gnment A ccur acy on Lead Free Solder Paste P rinting Investigation of t he reflow characteristi cs of lead free p aste show that there is less ‘self correction’ of mis aligned prints than is …

Safety for Linear motors
Issue 2: July 2007
Objective 1: Locate the hazardous areas of the machine

Importance of Printer Alignment Accuracy on Lead Free Solder
Paste Printing
Investigation of the reflow characteristics of lead free paste show that there is less ‘self
correction’ of misaligned prints than is the case with lead rich pastes. This makes it
even more important that the printer is capable of maintaining the required alignment
Impact of Lead Free
Issue 2: July 2007
even more important that the printer is capable of maintaining the required alignment
accuracy for the pitch of components being assembled.
Printer Critical Success Factors are:
Machine accuracy
Machine repeatability
Machine regularly serviced and maintained
Machine clean and free from damage

Installation
Issue 2: July 2007