DEK高级培训资料.pdf - 第9页
Safety for Linear motors Issue 2: July 2007 Objective 1: Locate the hazardous areas of the machine
MOVING MACHINE PARTS MAY CAUSE
INJURY
DURING THIS COURSE WE WILL OPERATE
WARNING!
Classroom Safety
Issue 2: July 2007
DURING THIS COURSE WE WILL OPERATE
THE MACHINE WITH CERTAIN COVERS
REMOVED
ALWAYS ENSURE SYSTEM POWER IS
REMOVED PRIOR TO UNDERTAKING ANY
WORK ON THE MACHINE ...
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