Notching
How many electrode sheets are in a magazine?
1000-1300
What are you supposed to do with the lift cart before moving away from the vacuum dryer?
Unlock the wheels and lower the lift
Double Jeopardy: How long does it take to place a single sheet of electrode during the stacking process?
0.5 seconds
Double Jeopardy: How small is a micron? (metric units)
0.0001 meters
What does IR check stand for?
Insulation resistance check
Which reel is heavier, cathode or anode?
Cathode
What areas of vacuum dry machine are cleaned (List at least 3)?
trays, guides, rollers, internal walls, o-rings/door seal
How long does it take to complete a jelly roll in stacking
54 seconds
Which tab is the barcode printed on?
Anode
How often does the side sealing bar get cleaned?
Every 45 mins.
Which electrode sheet gets oil spray during notching?
Cathode
What is the dryer temp set at for anode?
120 deg. C
What is the process flow of stacking? (Need at least 6)
Magazine -> Pick and Place 1 -> Vision Align -> Pick and Place 2 -> Stacking -> Bonding -> 90 deg turn -> 180 deg turn -> unloading
What voltage is used during the hi-pot check?
300V
What process step comes after the unwinder in packaging?
Pre-cut
How many sheets per minute are processed through the notching machine? (Hint: it's not 22)
300
How many phases do the vacuum dryers run through?
9
What electrode goes first in the stacking machine?
Anode
What color is the cpp tape?
Yellow
What is the pouch out layer material?
Aluminum
How many magazines can fit in the notching machine (intake and discharge)?
12
What is the 4th step in the vacuum dry process?
What are some of the main defects in stacking? (Need 3)
Separator folding, dents, double stacking of electrodes, electrode folding, misalignment
About how long does the 2000 piece buffer last in tab welding?
45 mins.
What happens if the electrolyte touches the outer layer of the pouch?
Causes corrosion with the pouch which leads to swelling of the battery