Cylindrical Cell Grading System

Category: Cylindrical Cell Equipment
Comprehensive grading system for cylindrical cells including OCV, DCIR, and capacity testing. Supports AA, AAA, and CR123 formats.

Technical Specifications

Power SupplyAC380V / 50Hz
Compatible Cell Format21700 Cylindrical Cell
Production Speed15-25 pcs/min
Machining Precision±0.02mm (groove depth, concentricity, tool thickness)

Product Description

Equipment Description

This equipment is used for the grooving (rolling-slot) process of rechargeable Ni-MH, Ni-Cd, and cylindrical lithium batteries. The grooving machine is controlled by a PLC, intermediate relay, and time relay that coordinate the actions of each cylinder. The motor drives the main body at high speed to perform uniform automatic grooving on the cylindrical steel can that holds the cell core. Applicable steel-can model: 21700.

Basic Configuration

No. Component Description
1 Cylinder AirTAC pneumatic cylinder.
2 Electrical Control System Mitsubishi electrical control system.
3 Sensor Yangming / AirTAC sensors.
4 Power Supply Omron power supply.
5 HMI 7-inch display-control / Weinview touch screen.
6 Electrical Components Zhengtai / Schneider electrical parts.
7 Adjustable-Speed Motor Taiwan-invested brand motor.
8 Guide Rail HIWIN / CPC linear guide rails.
9 Guide Rail & Guide Post Self-made brass / precision guide post.
10 Frame Self-made, integrally welded frame,整机烤漆 (whole-machine baking paint finish).
11 Parts Self-made parts in anodized aluminum / chrome-plated steel.

Technical Parameters

No. Parameter Value Remarks
1 Applicable steel-can model 21700
2 Rated voltage 220 V / 50 Hz
3 Rated power 0.75 kW
4 Working air pressure 0.5–0.6 MPa
5 Equipment weight 175 kg
6 In/out-feed height from floor approx. 780 mm
7 Overall dimensions (L×W×H) 1100 × 870 × 1900 mm
8 Rolling-knife thickness error 0.01 mm
9 Knife-edge finish Ra 0.4 or better Micrometer measurement
10 Grooving-mold accuracy error 0.01 mm
11 Grooving depth 0.02 mm
12 Grooving-mold concentricity 0.01 mm
13 Grooving mold to tail-top concentricity 0.02 mm
14 Grooving concentricity 0.03 mm
15 Grooving inner-diameter error 0.03 mm
16 Grooving height error 0.03 mm
17 Grooving edge-height error 0.03 mm
18 Post-grooving can flaring < 0.08 mm No flaring or ovality
19 Coating scratches / peeling None After grooving