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Case Study: Shock Absorbing TWERGO® for the Aerospace Industry

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The largest airplane manufacturer in the U.S. was automating its manufacturing process for its fuselage assembly platform, which included converting from tuggers to automated guided vehicles (AGV) for the movement of work platforms. The weight of each platform is 48,000 lbs., and the existing wheels require a push force of about 15% of the total weight. This push force has a significant impact on the performance of the AGV, including speed and battery life. With a caster that reduced push force and better overall performance, the performance and battery life of the AGV would improve.

The company managing the conversion process found Caster Concepts while performing an online search to improve the movement of the AGVs.

Since the rig was a dual wheel, this meant that 6 TWERGO® wheels would be needed on each caster. Eight casters were used on each platform to maximize weight capacity while also optimizing ergonomic performance, which includes initial and continuous push force as well as force required to turn.

Finally, the Caster Concepts engineering team chose spring loaded, shock absorbing rigs with railing around the 12” wheels to minimize risks due to debris on the floor, thresholds and cracked or uneven flooring.

The final result was a reduction of initial push force of 15%. The push force was now only 4.5% of the AGV’s total weight which enabled the AGVs to perform with greater efficiency.

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