Action Cameras & Gimbals

Action Cameras & Gimbals Elastollan 1195A FDM with Bambu Lab X1 Carbon

As engineers designing for the bleeding edge of consumer electronics, we live in a world of unforgiving requirements. Nowhere is this more apparent than in the Action Cameras & Gimbals sector. These devices are destined for a life of abuse: strapped to helmets, mounted on handlebars, plunged underwater, and dropped onto hard surfaces. The housings, gimbals, and protective components for these products aren't just cosmetic shells; they are the primary line of defense, the armor that protects sophisticated optics and electronics from the chaos of the real world. This brutal operating environment demands a material that is both incredibly tough and resiliently flexible, and a manufacturing process that can deliver flawless, dimensionally stable parts without compromise.

The traditional material selection process often forces a difficult trade-off. Hard plastics like ABS or Polycarbonate offer excellent impact resistance but can be brittle and prone to cracking under repeated stress or shock. Softer, more conventional TPUs provide flexibility and vibration damping but often lack the requisite shore hardness and tear strength, feeling more like a rubbery case than an integral structural component. This is where high-performance thermoplastic polyurethanes enter the picture, specifically grades like BASF Elastollan 1195A. With a Shore 95A hardness, it occupies a perfect middle ground—rigid enough to provide structural integrity and a secure mounting interface, yet elastic enough to absorb significant impact energy and deform without fracturing.

However, specifying the perfect material is only half the battle. The real challenge, as any seasoned manufacturing engineer knows, lies in turning that specification into a physical part that meets every performance criterion. This is where the notorious difficulty of printing high-performance, high-viscosity TPUs comes to the forefront. These materials are intensely hygroscopic, acting like sponges for ambient moisture. Printing a "wet" spool results in hydrolysis at the nozzle, where water turns to steam, creating micro-bubbles within the extrusion. This leads to porosity, poor surface finish, and catastrophically weak layer-to-layer adhesion—rendering a part useless for any application requiring a watertight seal. Furthermore, their high viscosity and elasticity make them prone to stringing, oozing, and inconsistent extrusion, plaguing most standard 3D printing setups. At MechanoFab, we've engineered a specific, highly-controlled solution that tames this difficult material, leveraging a state-of-the-art machine to deliver parts that meet the most stringent industry standards from the first print.

Conquering IP68 and MIL-STD-810G with Process Control

The compliance standards for this industry are non-negotiable. A failure to meet IP68 or MIL-STD-810G isn't a minor flaw; it's a total product failure. Our manufacturing approach is built from the ground up to address these standards directly through advanced process control.

IP68 (Water/Dust Ingress Protection): An IP68 rating requires a component to be completely sealed against dust and protected against long-term immersion in water. For a 3D-printed part, this is the ultimate test of print quality. Any porosity, no matter how small, becomes a potential leak path. This is where our choice of Fused Deposition Modeling (FDM) on a specific platform becomes critical. We utilize the Bambu Lab X1 Carbon, a machine whose architecture is uniquely suited to solving the challenges of Elastollan 1195A. The direct-drive, all-metal extruder provides unparalleled control over filament motion. Its ability to execute lightning-fast and precise retractions is the key to eliminating the stringing and oozing that would otherwise mar sealing surfaces. More importantly, the machine's automated bed leveling with micro-lidar scanning and active vibration compensation ensures a perfect, void-free first layer and consistent extrusion throughout the build. This system-level approach effectively eliminates the porosity that plagues other desktop FDM setups, producing a net-shape part with a flawless, glossy surface finish that is ready to form a perfect seal with a gasket or mate against another component. There are no secondary sealing or coating operations required; the integrity is baked into the part itself.

MIL-STD-810G (Shock & Drop Resistance): This military standard defines a series of brutal environmental stress tests, with drop and shock being paramount for action cameras. The inherent strength of Elastollan 1195A, with its 45 MPa tensile strength, provides the material-level foundation for this resilience. However, the anisotropic nature of FDM printing—where parts are strongest along the X/Y axes and weakest along the Z-axis (layer lines)—is a critical engineering constraint. A naive printing approach can lead to parts that delaminate and fail precisely along these layer lines when subjected to impact.

This is where MechanoFab's factory advantage becomes a strategic asset. We don't just "press print." We perform a detailed part orientation analysis. By identifying the most likely vectors of impact and stress, we strategically orient the component on the build plate to ensure that these forces are distributed across the strong X/Y plane, not against the weaker Z-axis layer bonds. The Bambu Lab X1 Carbon's reliability and advanced calibration give us the confidence to orient parts for maximum mechanical strength, rather than just for ease of printing. The powerful part cooling and controlled chamber environment promote exceptional inter-layer adhesion, significantly boosting the Z-axis strength far beyond what's achievable on open-air or less-controlled machines. The result is a single-setup component that exhibits immense shock resistance right off the build plate, capable of withstanding the rigors of MIL-STD-810G testing without any post-processing or reinforcement. This is a capability that many shops simply cannot achieve with this class of material.

Technical Specifications: Material, Process & Machine Parameters

To achieve this level of performance, every variable in the manufacturing chain must be precisely defined and controlled. The following table outlines the key parameters of our Elastollan 1195A FDM service, providing the hard data you need for your design and analysis.

Cost Dynamics and Total Cost of Ownership

This highly specialized process is optimized for production volumes of 1-20 units. This makes it the ideal solution for rapid prototyping, functional validation, and the creation of custom jigs, fixtures, or specialized camera rigs. In this low-volume range, the cost of creating injection molding tooling is astronomical and unjustifiable. Our FDM service provides a direct path from CAD model to a field-ready, production-quality part in a matter of hours or days, not weeks or months.

The true economic advantage, however, lies in the reduction of Total Cost of Ownership (TCO) during the product development lifecycle. The core of our factory advantage is the mastery of a difficult-to-print material. Printing a high-viscosity, hygroscopic TPU like Elastollan 1195A is notoriously difficult. Other shops struggle with porosity, which compromises the IP68 sealing, and surface defects from stringing, which require time-consuming manual post-processing. These failures and rework cycles add significant hidden costs and delays to a project.

Our investment in the Bambu Lab X1 Carbon's ecosystem, with its automated calibration, lidar-based flow control, and direct-drive extrusion, directly mitigates these risks. We have engineered a process that tames the material, effectively eliminating the stringing and surface flaws that plague other setups. This allows us to produce net-shape, dimensionally stable components with flawless surfaces critical for maintaining IP68 integrity. By leveraging the machine's reliability to orient parts for maximum X/Y axis strength, we directly address FDM's inherent Z-axis weakness, delivering MIL-STD-810G shock resistance in a single setup without any costly or time-consuming secondary processing.

For an engineering team, this means fewer failed prints, faster design iterations, and higher confidence that the physical part will match the performance of the digital design. The cost of a single project delay or a field test failure due to a subpar prototype far outweighs any marginal difference in the per-part print cost. Our service isn't just about delivering a piece of plastic; it's about delivering a reliable, specification-compliant component that accelerates your development and de-risks your project.

From Engineering Challenge to Physical Reality

Designing for extreme environments requires a manufacturing partner that understands the physics of failure as deeply as you do. Our specialized process for producing Elastollan 1195A components is the culmination of deep material science knowledge, advanced machine technology, and a rigorous, engineering-first approach. We've solved the difficult manufacturing challenges so you can focus on designing the next generation of ruggedized electronics.