62
6
Set pre-welding detection station (manual or AOI)
In sum, P&P machine's running speed and placement accuracy still has limit. Peoples work is important to run machine on
its proper role. So, it’s necessary to comply with effective measures to keep machine normal work, its placement quality and
efficiency.
14.2 Maintenance
Arrange regular inspection and maintenance system.
14.2.1 Daily Inspection
Items
Items check before
power on
①
Temperature& Moisture: Temperature 20
℃
~
26
℃
, humidity 45~70%
②
Indoor environment: Air clean without aggregate air.
③
No clutters within the placement area and keep rails clean.
④
No spots on cameras and keep lens clean.
⑤
No obstacles around the head nozzles
⑥
Checking if nozzles are dirty, distorted; If so, please clean or change the
nozzle.
⑦
Checking if feeders are correctly installed in stacks and confirm no clutters
on stack.
⑧
Checking the connection of air connector and air hose
⑨
Checking air pressure.
Items check after
power on
①
Checking if the monitor display normally after system start up.
②
Checking if emergency button can work normally or not.
③
Checking if placement head can move back to the origin.
④
Checking if there’s abnormal noise while placement head move.
⑤
Checking all nozzles vacuum pressure.
⑥
Checking if PCB moving on rails smoothly or not; Sensor workable or not.
⑦
Checking if the board has been well fixed by magnetic bar and pins.
14.2.2 Monthly Inspection
Items
Detailed Inspection
X/Y axis
Make sure no abnormal noise while placement head moving.
X/Y motor
Make sure X/Y motors no overheating.
Nozzle
Checking if all nozzles are good without bend and nozzle surface is horizontal
Air hose
Checking the connection between air hose and machine, keep sure the hose in good
situation without wearing or air leaking.
Step motor
Checking if any dirty on step motor, synchronous belt, Synchronous wheel. Make sure the
Z-axis motor can up, down and rotate smoothly.
Z-axis motor
Checking if the placement head can go up and down smoothly. Use your finger to push the