Grob Cell Assembly Line
not installed, packed and stored on site in crates

- Dimensions (L x W x H): 33.550 mm x 5.704 mm x 2.998 mm
- Wide safety doors for maximum accessibility
- Format size: 255 mm x 101 mm
- Track speed laminator: v = 1 m/s = 60 m/min

LAMINATION 2.0

OP0110–COIL INFEED UNIT
Material feed to the laminating system
- 2 coils per material type
max. coil diameter: electrode Ø800 mm / separator Ø500 mm
- integrated splice function
- individual chambers for simultaneous coil changes
- winding block control for web edge

OP0120–HALF CELL ANODE
mechanical slitting of the anode with regard to web width
- laser notching of the current collector
- laser cutting in the active material

OP0130–HALF CELL CATHODE & MONOCELL
mechanical slitting of the cathode with regard to web width
- laser notching of the conductor
- laser cutting in the active material (3 systems)

OP0140–SEPARATION & QUALITY TEST MONOCELL

OP0150–STACKING UNIT (ACTIVE STACKING)
- removal of monocells using a stacking wheel from the vacuum belt
- feeding of monocells to stacking cells

OP0160–HI-POT TEST

OP0170–HEAT PRESS
- press for pressing heated monocell stacks
- number of levels: 12
- working temperature range: 40–120 °C
- control contact stress up to 300 N/cm2

OP0180–HI-POTTEST

CELL ASSEMBLY

OP0200–DOUBLE STACK UNIT & PALLET CLEANING
- Removal of hot-pressed single stacks from front-end workpiece
carriers by a robot
- Stacking two single stacks into a double stack
- Precise positioning of the stack by measuring via a camera system
- Position accuracy +/- 0,15mm

OP0210–ULTRASONIC WELDING & TRIMMING
- Contacting the arresters by ultrasonic welding
- Hi-Pot measurement
- 4x visual inspection via 3D laser sensor
- Cycle time per cell: 6,4 sec.

OP0220–LASERWELDING „TAB2 WELDING TAB“
- Laser welding of the tabs to the arrester cathode and anode
- Laser source: Trumpf, Laser optics PFO 33.3
- Camera inspection of the weld seam
- Workpiece storage for 34 pallets each for TAB cathode und TAB
anode, each with 2584 tabs (autonomy time due to storage 4,59 h)
- Cycling time per cell: 6,4 sec.

OP0230–WRAPPING UNIT
- Removal and alignment of the fleece sheet
- Wrapping the double stack with wrapping fleece
- Monitoring the tension of the fleece using a force sensor
- Welding the fleece with ultrasonic welding
- Trimming the protrusion after welding with hot wire
- USW: Herrmann Slimline G1 Vario
- Cycle time per cell: 6,4 sec.

OP0240–CAN INSERTION
- Joining the wrapped double stack in Can
- Integrated workpiece storage with a capacity of 44 pallets and a total
of 176 cans (autonomy time through storage → 0,31 h)
- Cycle time per cell: 12,8 sec.
- Expansion stage to reduce the cycle time to 6,4 sec. possible

OP0250–LASERWELDING „TAB 2 SIDE CAP“
- Laser welding of the tabs with the lids (cathode and anode)
- Trumpf laser source and laser optics PFO 33 incl. visionline
- Inspection of the laser welding cathode and anode by camera
- Integrated workpiece storage with a capacity of 44 pallets and 1056
caps each (autonomy time through storage → 1,88 h)
- Cycle time per cell: 12,8 sec.

OP0260–LASERWELDING „CAP 2 CAN”
- Closing and welding the housing (Caps to Can)
- Trumpf laser source and laser optics PFO 33 incl. vision line
- Welding speed 100 mm/s
- Camera inspection of the laser weld
- Cycle time per cell: 12,8 sec.

OP0270–HI-POT & LASERMARKING
- Hi-Pot measurement of the double stack in the housing
- Test voltage: 25 V
- Measurement time: 2 s
- Measurement range: 20 MOhm
- Subsequent laser marking of the Data Matrix code
- Checking the Data Matrix Code
- Measuring time HiPot: 2,2 sec.
- Cycle time per cell: 6,4 sec. (marking & measurement)

For Sale In Situ, As a Whole, with Real Estate as described in lot # 31195-1
Prismatic Battery Cell Manufacturing Plant (Unused 2025)
Inquiries for single assets will not be dealt with at the current phase