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Corner Crimping Machine for Aluminum Frames

For a manufacturing client, Fabrit designed and delivered a new corner crimping machine for aluminum frames, intended to ensure strong and precise joining of profile corners.

The objective of the project was to replace a worn-out machine with a modern, reliable solution capable of generating sufficient clamping force while offering greater production flexibility.

Client Challenge

Previously, the crimping operations were performed on an old, heavily worn machine.

Its limitations resulted in:

  • insufficient clamping force,

  • loosely fitted frame corners,

  • reduced final product quality,

  • lack of a quick die replacement system,

  • limited flexibility when producing different frame sizes.

The client required a durable and reliable machine that would provide stable process parameters and allow adaptation to multiple frame dimensions.

Scope of Work

Fabrit was responsible for:

  • development of the new machine concept,

  • mechanical design of the structure,

  • integration of a fully pneumatic drive system,

  • design of a replaceable die system,

  • assembly, commissioning, and process optimization.

Implemented Solution

The developed crimping machine was designed as a fully pneumatic system capable of generating sufficient and stable clamping force to ensure precise and durable corner joints.

The construction was optimized for:

  • long-term durability,

  • process repeatability,

  • ease of operation and maintenance.

The machine is equipped with an interchangeable die system, allowing quick adaptation to different frame sizes without modifying the entire structure.

Results

  • sufficient and stable crimping force ensuring tight frame joints,

  • improved final product quality,

  • increased reliability of the crimping process,

  • quick adaptation to various frame dimensions,

  • extended service life compared to the previous machine.