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200 flexible guards in fluorescent-yellow TPU 95A (gyroid infill) to make maintenance work safer: soft enough to prevent injury, firm enough to hold well. Optimised file, iterative testing and hardened-steel extrusion gears to sustain the run.
Renault Trucks entrusted us with the production of 200 grille guards intended to make maintenance operations on their vehicles safer. Although the 3D file was supplied by their teams, we proposed technical modifications to ease printing and improve the finish. The part had to be flexible to limit injuries, while ensuring a good hold on the grilles.
This part helped prevent injuries during maintenance work, when the grilles are raised. 3D printing stood out as a relevant solution to:
The main challenge was managing printing in TPU, a demanding material. We:
The adjustments were carried out by Renault Trucks following our recommendations. Settings adopted:
Technology: FDM, chosen for its controlled cost and the sufficient quality required. Incidents:
Delivery in two stages: sending the finished parts while awaiting receipt of the new equipment. Client feedback:
200 TPU guards, soft enough to prevent injury, firm enough to hold well. A typical use case where 3D printing makes a workshop's daily routine safer, in a small run.
The dimensional accuracy, the quality of the material and the value for money were all optimal.
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