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Micrometer Adjustable Film Applicator - Doctor Blade

Micrometer Adjustable Film Applicator - Doctor Blade

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Precision Wet-Film Application

Micrometer Adjustable Film Applicator — Doctor Blade

Precision blade-gap control from 0 to 3500 µm for laboratory coating widths from 50 to 500 mm

Manual film applicator for controlled slurry drawdown in battery electrode, ceramic, polymer and functional coating research. Compact and extended-width architectures provide the appropriate number of adjustment points for each coating span.

S4R Micrometer Adjustable Film Applicator Doctor Blade
Coating widths
50–500 mm
Adjustable blade gap
0–3500 µm
Micrometer graduation
10 µm
Specified accuracy
±2 µm
Product Highlights

Controlled and repeatable laboratory coating

01

Micrometer adjustment

Independent micrometer heads set the blade clearance with 10 µm graduations over a 0–3500 µm adjustment range.

02

Multi-point control

Two, three or four adjustment points are used according to coating width to control blade position across the working span.

03

Precision-machined construction

Aluminum-alloy frame and coating blade provide a rigid and practical construction for routine laboratory use.

04

50 to 500 mm range

Nine coating widths cover small formulation studies through larger laboratory-scale electrode sheets.

Range Architecture

Compact and extended-width configurations

The mechanical architecture changes with coating width rather than simply scaling the same two-point design.

50–200 mm

Compact Series

  • Two micrometer adjustment heads
  • Spring-return blade mechanism
  • Compact format for routine laboratory coating
  • Available in six coating widths
250–500 mm

Extended-Width Series

  • Three or four micrometer adjustment heads
  • Additional adjustment points across the wider blade
  • Magnetic quick-release blade system
  • Easier blade removal for cleaning and maintenance
Available Configurations

Coating width selection

Coating Width Architecture Micrometers Blade Mechanism
50 mm Compact 2 Spring Return
80 mm Compact 2 Spring Return
100 mm Compact 2 Spring Return
150 mm Compact 2 Spring Return
180 mm Compact 2 Spring Return
200 mm Compact 2 Spring Return
250 mm Extended Width 3 Magnetic Quick-Release
300 mm Extended Width 3 Magnetic Quick-Release
500 mm Extended Width 4 Magnetic Quick-Release
Extended-width adjustment The 250 and 300 mm models use three micrometer heads, while the 500 mm model uses four. The additional adjustment points provide greater control of blade positioning across the wider coating span.
Applications & Product Data

Designed for laboratory wet-film preparation

Typical Applications

Research coating workflows

  • Li-ion battery anode and cathode coating
  • Solid-state battery research
  • Separator and membrane coatings
  • Ceramic tape and functional films
  • Polymer and materials research
General Specifications

Technical data

  • Blade gap: 0–3500 µm
  • Graduation: 10 µm
  • Specified micrometer accuracy: ±2 µm
  • Frame: Aluminum alloy
  • Doctor blade: Aluminum alloy
  • Available widths: 50–500 mm
Blade gap and coating thickness The micrometer setting defines the nominal mechanical clearance between the doctor blade and the substrate. Actual wet and dry film thickness also depends on slurry rheology, solids loading, coating speed, substrate properties and drying conditions.
Accuracy specification The stated ±2 µm value refers to the specified accuracy of the micrometer adjustment system and should not be interpreted as a guaranteed ±2 µm coating-thickness uniformity.

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