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Best flexible 3D printing material for vibration-damping motor mounts

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Hi Everyone! We’re designing a vibration-damping mounting bracket (approx. 150×80×40 mm) for a small electric motor housing, and we’re considering 3D printing it in a flexible material. Given the operating environment includes oil exposure, moderate UV light, and moderate shock loads, would you recommend going with an MJF TPU (e.g., 95 Shore A) or a CLIP resin like EPU 40 (70 Shore A) for better durability and fatigue performance? Also, what design considerations (ribbing, minimum wall-thickness, fillets) have you found helpful when printing flexible parts subject to repeated vibration and shock?

    • l

      Hi Everyone! We’re designing a vibration-damping mounting bracket (approx. 150×80×40 mm) for a small electric motor housing, and we’re considering 3D printing it in a flexible material. Given the operating environment includes oil exposure, moderate UV light, and moderate shock loads, would you recommend going with an MJF TPU (e.g., 95 Shore A) or a CLIP resin like EPU 40 (70 Shore A) for better durability and fatigue performance? Also, what design considerations (ribbing, minimum wall-thickness, fillets) have you found helpful when printing flexible parts subject to repeated vibration and shock?

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Best flexible 3D printing material for vibration-damping motor mounts
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