DEK高级培训资料.pdf - 第128页
Screen Alignment Task s • Remove a nd re place an actuator • Remove a nd re place a ch ase clamp • Check roll er cou nter plates for wear • Adjust chas e clamp ai r gap • Issue 2: July 2007 • Adjust chas e clamp ai r gap…
SPC Problems
•
Key factors:
– Chase clamp gap
– Chase clamp friction during alignment
Issue 2: July 2007
– Chase clamp friction during alignment
– Grooves in roller counter plates
– Damaged actuators
– Faulty stepper motor
Screen Alignment Tasks
•
Remove and replace an actuator
•
Remove and replace a chase clamp
•
Check roller counter plates for wear
•
Adjust chase clamp air gap
•
Issue 2: July 2007
•
Adjust chase clamp air gap
•
Adjust chase clamp air
pressure and measure
clamp strength
Objective 24: Complete activities in your workbook
Screen Alignment
Issue 2: July 2007