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Completed 3D Printed Ford Automotive Mustang Window Fixture | Stratasys Direct

Ford Mustang Quarter Glass Alignment Tool

FDM 3D Printing Service
June 21, 2024
Ford Mustang Window Fixture Assembly Diagram | Stratasys Direct

The Challenge 

The fixture used to position and install the quarter glass accurately in the Ford Mustang had several problems that needed optimization. 

  • Costly – manufacturing the tool required time-consuming CNC machining and welding 

  • Inefficient – the current configuration restricted sight lines, adding difficulty to the installation process; external pneumatic air lines added to the fixture’s bulkiness

  • Heavy – the complete metal fixture with airlines and locating fixtures was heavy, not ergonomic and difficult to use.

Completed 3D Printed Ford Automotive Mustang Window Fixture | Stratasys Direct

The Solution 

Making a new fixture using FDM additive manufacturing enabled several design improvements:

  • A trigger-style on/off switch for improved ergonomics

  • Reusing current fixture locator details, mounting brackets, and pneumatic controls

  • Integrated pneumatic tubing retainers and optimized pneumatic valve and switch mounts

  • Ergonomic handles

  • Added material where strength is needed, and lower density where not needed 

Impact 

After producing the first design iteration, Ford was able to see additional improvements to be made. The line of sight to the window hanger details were blocked by the main frame’s upper bar. In addition, deflection was found in the lateral direction when the main vacuum cup was activated. To address these, the upper rail was moved up and detail brackets were redesigned to provide better sight lines for production. An internal rib was also added to reinforce the frame and increase lateral stiffness without changing the external geometry. Nylon 12 Carbon Fiber was used for this fixture which reduced its weight, without compromising strength or rigidity.

The 3D printed alignment fixture was reduced to 10.65 lbs. fully assembled, easing the burden on its operators. Additive manufacturing enabled Ford to implement design improvements, test them out, and make additional changes, lower cost and faster than using CNC machining.

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