This die cutting machine realizes automatic forming of lithium battery cathode and anode electrodes. It consists of an automatic unwinder, edge correction unit, electrode positioning unit, punching unit, traction drive unit and automatic waste trimming collector.

Key Features

Unwinding unit: equipped with an air-expanding shaft with positioning scale; servo constant-torque control for automatic electrode unwinding.
Electrode limiting assembly: guide plates and limit rollers prevent web deviation during conveying.
Driving assembly: stepper-motor traction with freely configurable feeding length.
Punching assembly: vertical reciprocating die cutting; modular die base for easy installation, removal and adjustment.
Conveyor adjusting assembly: multiple guide rollers constrain the circulating conveyor belt for stable travel.
Safety protection: aluminum-alloy frame with PMMA outer shield; safety light curtain mounted at the cutting zone.

Technical Specifications

Max Feeding Width	320 mm
Max Cutting Size	300 mm (including tabs) × 250 mm
Die Thickness Requirement	Over 20 mm
Feeding Control	Adjustable feeding speed & pitch
Feeding Pitch Accuracy	＜0.1 mm
Safety Devices	Infrared safety light curtain + protective cover
Max Roll Weight	＜50 kg
Max Outer Roll Diameter	＜300 mm
Die Service Life	10,000–50,000 strokes (depends on die quality and debugging precision)
Cutting Burr	Vertical burr ≤15 μm, horizontal burr ≤20 μm
Roll Core Inner Diameter	3-inch
Waste Handling	Automatic waste separation & collection unit
Operation Modes	Auto / Manual
Control System	PLC
Total Rated Power	1.5 kW
Power Supply	Single-phase AC220V
Net Weight	700 kg
Overall Dimension	L1850 × W1000 × H1800 mm

Applications

Automatic die cutting of lithium-ion battery cathode and anode electrodes from roll stock to target dimensions
Electrode preparation (die cutting) stage of battery cell production lines
Electrode sample preparation for R&D and pilot-scale production

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