Sealing

Automated solutions for individual purposes

The manual sealing process of aircraft structures is a time consuming task which requires absolute precision and quality. Broetje-Automation has successfully developed market-ready industrial technology to meet the high standards of the sealing process with automated systems.

Automatic sealing increases productivity, quality and consistency. The application is executed by standard industrial robots or based on a modular cobot integration, modified to a high precision manufacturing system by specially developed software of Broetje-Automation. The flexible control system and variable applicator heads allow the sealing of diverse, even most inaccessible aircraft parts, while maintaining and monitoring the quality of the applications with our peripheral systems. The newly designed end-effector is capable to provide both, catridge application and mixing of two-component sealings in process in order to replace expensive pre-mixed sealants.

Robotic Sealing

  • Mixing on Demand
  • Functional Principle: Volumetric
  • Weight: 40 kg (88 lb) Packages: Mobile tanks (up to 3 liter capacity)
  • Application pressure: 0 – 20 bar
  • Size: 750 x 250 x 200 mm
  • 30 x 10 x 8 in
  • Materials: Polysulfide & Epoxy Offline progammable with Broetje Soul
  • Cartridge Application
  • Functional Principle: Pneumatic
  • Weight: 12 kg (28 b)
  • Add-on: opt. rotatable nozzle
  • Add-on: rotatable nozzle (7th Axis); Cartridge quick change system; Nozzle quick change system; Fill level measuring; Live view camera HD; Scale System; Collusion prevention
  • Application pressure: 0 – 8 bar
  • Size: 450 x 250 x 230 mm
  • 18 x 10 x 9 in
  • Materials: Polysulfide & Epoxy
  • Reduced number of process steps and labour hours
  • Improved H&S
  • Reduced cost of material and demandon labour qualification
  • Reduction of waste
  • Reliable high quality sealing beads
  • Solution for all requirements, in Assembly lines as a stationary robot as well as a mobile robot on a platform or a collaborative robot (Cobot)

Referencing

  • Global referencing with Laser Scanner
  • Local tracking/ Path Correction

Sealing Areas

  • 3-D printed, customized Nozzles for application on various pin and collar sizes
  • Fillet sealing on straight as well as curved material
  • Edge Sealing on single as well asconnected parts

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Cobot Sealing

Mixing on Demand

  • Functional Principle: Volumetric Functional
  • Weight: 40 kg (88 lb)
  • Add-on: opt. rotatable nozzle
  • Packages: Mobile tanks (up to 3 liter capacity)
  • Application pressure: 0 – 20 bar
  • Size: 750 x 250 x 200 mm
    30 x 10 x 8 in
  • Materials: Polysulfide & Epoxy
  • Offline progammable with Broetje Soul

Cartridge Application

  • Principle: Pneumatic
  • Weight: 12 kg (28 b)
  • Add-on: rotatable nozzle (7th Axis); Cartridge quick change system; Nozzle quick change system; Fill level measuring; Live view camera HD; Scale System; Collusion prevention
  • Application pressure: 0 – 8 bar
  • Size: 450 x 250 x 230 mm 18 x 10 x 9 in
  • Materials: Polysulfide & Epoxy
  • Offline progammable with Broetje Soul
  • Reduced number of process steps and labour hours
  • Improved H&S
  • Reduced cost of material and demand on labour qualification
  • Reduction of waste
  • Reliable high quality sealing beads
  • Solution for all requirements, in Assembly lines as a stationary robot as well as a mobile robot on a platform or a collaborative robot (Cobot).

Referencing

  • Global referencing with Laser Scanner Local tracking/ Path Correction

Sealing Areas

  • 3-D printed, customized Nozzles for application on various pin and collar sizes
  • Fillet sealing on straight as well as curved material
  • Edge Sealing on single as well as connected parts

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Find out more about our sealing options

SHILA Demonstrator

Smart Factory instead of Manual Shimming: SHILA Lays the Foundation for Automated Joining Processes in the Aerospace Industry

Rastede, June 2026 – Broetje-Automation, together with its consortium partners 3D.aero GmbH, Boeing, KEBA Industrial Automation, IPMT – Institute for Production Management and ‑Technology and WZL Aachen GmbH, has successfully completed the research project SHILA – “Shim-free assembly of thin-walled aircraft structures” funded by the German Federal Ministry for Economic Affairs and Climate Action (BMWK). The aim of the project was to develop a fully digitally supported and highly automated process chain that enables precise assembly of large-format, thin-walled CFRP structural components without the previous use of shims.

The STAXX Flex Robotic AFP System is ideally suited for complex Fiber Placement Processes such as for Hydrogen Tank Structures (Photo: DLR)

Broetje-Automation Showcases Cutting-Edge Composite Manufacturing Technology at JEC World 2025!

Visit our Booth in Hall 5 #M115 | March 4-6, 2025 | Paris, France

Rastede, Germany – Broetje-Automation, a global leader in advanced manufacturing solutions, invites industry professionals, researchers and the media to visit its booth at JEC World 2025, the premier trade show for the composites industry. The event will take place from 4 to 6 March 2025 in Paris, where Broetje-Automation will present groundbreaking innovations in composite manufacturing, including a large hydrogen tank demonstrator for future aircraft and the revolutionary STAXX Flex 8-tow end-effector.

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