Battery Manufacturing EquipmentKejing MSK-AFA-EI300 intermittent transfer coater
The Kejing MSK-AFA-EI300 is a lab roll-to-roll transfer coater that lays electrode slurry continuously or in an intermittent pattern. Coating width is 50–260 mm, coated lengths run 10–5000 mm and gaps 10–500 mm. It has a single 0.8 m hot-air oven and manually set rollers and doctor blade. It suits labs making patterned electrode strips.
By Shenzhen Kejing Star Technology Company · MSK-AFA-EI300
Coating head, pattern lengths and oven
Guide rolls are 300 mm, the foil can be up to 280 mm wide, and baffles set the coating width anywhere from 50–260 mm. Mechanical speed is 0.01–0.7 m/min. Coated length can be 10–5000 mm and the bare gap 10–500 mm. The head has a chrome-plated coating roller, an EPDM rubber roller moved by a cylinder and a hand-adjusted doctor blade.
One 0.8 m hot-air oven reaches 150°C, with ±5°C uniformity at the working positions away from the ends. That figure describes the air, and the electrode temperature comes from your trial. The machine needs AC220 V at about 5 kW and 0.5–0.8 MPa air. Solvent treatment is an option, so state in the order whether you need NMP recovery and how residual solvent will be checked.
| Parameter | Published value | Record status |
|---|---|---|
| Coating-width range | 50–260 mm | known |
| Mechanical-speed range | 0.01–0.7 m/min | known |
| Single oven length | 0.8 m | known |
Catalogue values apply to the configuration and test method the maker states. Ask for the values that apply to your configuration.
Source references: s1
Getting both the coated patch and the gap right
Send the collector width and thickness, slurry composition, solids and viscosity conditions and a drawing of the coat and gap pattern. Agree roller and doctor settings and the tension and guiding setup. The baffles set the width, while edge quality and gap accuracy depend on how your slurry behaves. Kejing publishes no dry-loading tolerance for this machine.
Trial representative material at your planned web speed and oven settings. Measure coated length, gap, edge condition and dry thickness and loading against an agreed sample map. Include start-up and a controlled stop and restart if those transitions affect usable strips. Log the slurry fed and recovered in the batch record so you know the real yield.
Set the drying end point before strips move on
Define the drying end point for your solvent and binder and the condition the next step needs, including any separate vacuum drying. Ask for the air and exhaust path, who handles solvent treatment, and how oven temperature is measured. The oven's 150°C limit tells you the ceiling; drying time and coating integrity depend on each formulation.
Handover should cover web threading, baffle and doctor adjustment, cleaning the coating path and changing film and rollers. Rolls go up to 250 mm OD on 3-inch cores. Check the incoming roll and rewind condition during the acceptance run. Kejing positions the EI300 as a lab transfer coater and gives no figures for dry-electrode yield, two-sided registration or production output.
Source references: s1
Questions that change the purchase
| Decision | What the catalogue says | Next step |
|---|---|---|
| Does the short oven reach your drying end point? | The catalogue lists one 0.8 m oven at up to 150°C air. | Trial your solvent and coat at the planned residence time. |
| Do coat and gap hold after a restart? | The catalogue gives programmable lengths of 10–5000 mm and 10–500 mm. | Measure start-up, steady and restarted strips. |
| Is solvent treatment supplied? | The catalogue lists solvent treatment as optional. | List exhaust and treatment items and who provides each. |
Prepare the supplier conversation
Fill in the conditions below and ask the supplier to answer each open point in writing. Copying or downloading stays in your browser; nothing is sent.
Sources and check dates
The maker's own pages and public records used for this page, each with the date it was checked.
s1 · Kejing MSK-AFA-EI300 intermittent transfer coater original specification
Shenzhen Kejing · Manufacturer-origin source
Kejing's specification for the EI300, with widths, speed, coat and gap lengths, roller types, oven and services.
Archived source check: 2026-10-11
s2 · Official current equipment catalogue
Shenzhen Kejing · Manufacturer-origin source
Kejing's current catalogue listing its transfer, slot-die and dip coaters.
Archived source check: 2026-10-11
Still to confirm
- Dry loading tolerance and gap accuracy on your slurry.
- Drying time and residual solvent at the 0.8 m oven length.
- Whether solvent treatment or NMP recovery is included.
- Coat and gap stability after a stop and restart.
Continuous and intermittent transfer coating of lab electrodes
- Collector and slurry details, coat and gap drawing
- Roller, doctor and baffle settings, feed tension
- Dry loading, thickness and pattern sampling plan
- Web speed, oven settings and drying end point
- Roll and core size, stop and restart, rewind check
- Solvent handling, cleaning and optional treatment