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Doctor blading (also known as knife coating or blade coating) is a popular thin-film fabrication technique which involves either running a blade over the substrate or moving a substrate underneath the blade. There is a small gap that determines how much solution can get through. Here, the solution is effectively spread over the substrate.
The final thickness is a fraction of the gap between the substrate and the blade. The final thickness of the wet film will be influenced by the viscoelastic properties of the solution and the speed of coating.
Features of doctor blade coating machine
1. Variable motor to precisely control the coating speed.
2. The cross-bar can be used to push the adjustable blade. There is no special requirement for the size of the adjustable scraper.
3. The waste collection box placed on the left edge of the vacuum chuck bed collects spare slurry to ensure the equipment itself and the surrounding area are clean.
4. The bottom intelligent vacuum heating chuck plate and digital display temperature control drying system can adapt to the development of science and technology of film formation under high temperature.
Automatic tape casting film coater with adjustable doctor-blade
Automatic tape casting film coaters is widely used in various coating research, such as ceramic film, crystal film, battery material film, special nano film.
Main features of automatic tape casting film coater:
1. The coating speed can be adjusted within the range of 0-100mm / S;
2. Vacuum aluminum disk, which can quickly place or remove the substrate;
3. The stroke can be adjusted by inductive proximity switch between 10-250mm;
4. Scraper with micrometer adjustable film applicator (accuracy 0.01mm), width 100mm;
5. Small size, saving space;
6. The appearance is exquisite, the sheet metal adopts the three-dimensional geometric design, simple and beautiful.
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Power supply |
Voltage single phase 100~240VAC, frequency 50/60Hz, power 230W |
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Heatable Vacuum Platform |
· Vacuum chuck is made of aluminum alloy with the micro-size holes · Vacuum chuck Area: 200 mm (L) x 130 mm (W) · The heating elements are preinstalled inside the chuck · Digital temperature controller ( single point ) with +/- 1ºC accuracy · The maximum temperature is 100ºC |
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Vacuum Pump |
· One 24VDC pump is included. · The vacuum gets power from the coater. · 8mm O.D. tube fitting for vacuum chuck connection. |
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Film Applicator |
· Built in pushing bar for using micrometer adjustable applicator · A fixed-thickness film applicator with various thickness (5μm,10μm,15μm,20μm) is included for immediate use · Maximum coating width of the standard film applicator is 80 mm · The DC 24 V motor drives the pushing bar continuously to the adjustable position · A waste plate for extra slurry is included. |
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Slurry Boat |
A stainless steel slurry boat is included |
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Maximum Coating Area |
200 mm (L) x 100 mm (W) |
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Accurac of Film Thickness |
+/- 2um |
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Traverse Speed and Distance |
· Travel Speed: 0 - 50 mm/s adjustable · Travel Distance: 0 - 360 mm adjustable |
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Product Dimensions |
· 360 L x 220 D x 210 H with cover (mm) · 155mm H (without cover) |
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Net Weight |
18 kg (40 lbs) |
Q. Are you manufacturer or trading company?
A. We are professional manufacturer of laboratory instruments, We have professional R&D team and workshop, which can promise the qulaity and after-sale service.
Suppliers with verified business licenses
Audited Supplier 
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