Manufacturing

Validating AgTech: 600 Flame-Retardant Prototypes

How large-format PC-FR 3D printing allowed an agricultural client to validate form and function in the field before committing to expensive injection molding tooling.

Bringing a new agricultural technology from concept to production requires reliable field testing before committing to expensive manufacturing tooling. 3D printing enables functional prototypes to be produced in meaningful quantities, allowing designs to be evaluated in real-world conditions while avoiding the cost and lead time of injection molding. For agricultural equipment and sensor-based systems, large-format additive manufacturing can provide the production capacity and material performance needed to move from prototype development to field validation on a practical timeline.

Technology

Fused Deposition Modeling (FDM)

Material

Flame Retardant Polycarbonate (PC-FR)

Volume

600 Pieces

THE CHALLENGE

The client needed approximately 600 prototype components for field testing before committing to injection molding, where design changes could result in significant tooling costs and delays. Their existing in-house 3D printing capacity was insufficient to produce the required volume, particularly for the large-format components. With only three weeks available to begin beta testing, limited production capacity created a significant risk of delaying field validation and the broader product development timeline.

Scaled Production to Meet Demand: Leveraged multiple FDM systems in parallel to manufacture approximately 600 components within the three-week deadline.
Produced Large-Format Components: Manufactured enclosure components up to 340 mm in length, accommodating the larger dimensions required for the sensor housing and electrical assemblies.
Selected PC-FR for Field Testing: Used flame-retardant polycarbonate to provide the impact resistance, thermal stability, and required flame-retardant properties needed to protect the internal electronics during agricultural testing.
Prepared Prototypes for Field Deployment: Installed heat-set threaded inserts and completed final assembly, delivering the finished components ready for real-world beta testing.

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why it worked

PC-FR provided the material performance required for functional field testing of the enclosures. Its combination of impact resistance and thermal stability provided reliable protection for the ultrasonic sensors and electrical components in an agricultural environment, while its flame-retardant properties satisfied the safety requirements of the beta testing phase. These characteristics provided a suitable level of durability for evaluating the enclosure design in real-world conditions before transitioning to injection molding.

FDM printing provided the production capacity and flexibility required to manufacture approximately 600 components within the three-week testing window. Producing the enclosures through additive manufacturing allowed the design to be evaluated in actual field conditions before the client committed to injection molding tooling, reducing the risk of costly revisions to an unvalidated design. Our large-format production capabilities also accommodated components up to 340 mm in length while efficiently producing the required volume without the capital investment and setup time associated with expanding in-house equipment.

Where a model like this fits

Functional 3D-printed enclosures are well suited to agricultural, industrial, and automation applications where electronic components need protection during real-world testing before moving into mass production. The approach is particularly valuable for sensor housings, equipment enclosures, control-system components, and other custom parts that require moderate production volumes or large-format dimensions. 3D printing allows these components to be produced in functional materials and meaningful quantities, providing a practical way to validate designs in the field before committing to injection molding or other high-cost manufacturing processes.