DEK高级培训资料.pdf - 第11页
Installation Issue 2: July 2007
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
Installation
•
Fit and remove all transit brackets
•
Perform levelling procedure
– (4 and/or 5 leg levelling)
•
Perform a check disk on drives C: D: & E:
Issue 2: July 2007
•
Perform a check disk on drives C: D: & E:
– i.e. chkdsk c: /r /f
•
Run SPC test
•
Review on-site customer training requirements
•
Review installation manual - any questions?
Objective 2 - Perform machine installation procedures