Australian broadacre agriculture has quietly become one of the most technology intensive industries in the country. A modern header is a rolling sensor platform: yield monitors, moisture sensors, GPS rigs, telematics, autosteer hardware and camera systems, and every one of them needs a bracket, a mount or a guard that someone has designed for that specific machine.
Where do those brackets come from? Increasingly, from a local additive supplier. The economics of one off agricultural tooling are exactly the niche additive manufacturing was made for.
The challenge
A Western Australian precision agriculture integrator came to us with a familiar problem. A retrofit GPS receiver and soil moisture probe kit needed mounting hardware for half a dozen different header and tractor models, with field tested designs ready before the next harvest window. Off the shelf brackets did not exist, machined parts pushed the unit economics underwater, and the integrator had little appetite for a sheet metal tooling investment.
They needed durable parts that could survive UV, dust, chemical exposure and the routine mechanical abuse of broadacre work, in low volumes, with revisions expected after first season feedback.
Our approach
We worked from supplied CAD and on machine measurements, iterated three bracket families across two weeks, and produced first article sets for field trial. Once feedback came back we tweaked the geometry, reissued the prints and shipped production batches for the next paddock run. Throughout the program we leaned on the design freedom that FDM printing gives, building in cable routing, drain holes and capture features that a folded sheet metal part would have required tooling to deliver.
Three iterations per bracket family inside two weeks
Field tested in real headers before any production commitment
Cable routing and drain features integrated into the geometry
Production batches printed to a controlled specification
Spare units held for in season replacement
Materials for Australian conditions
Australian conditions match Pilbara mining for harshness. UV is intense, dust is constant, mechanical impact is routine, and chemical exposure to fertilisers, herbicides and fuels is unavoidable. The material list converges on the same engineering thermoplastics we use in resources work, sourced through OzFDM so each batch is traceable.
ASA: external mounts, guards and sensor housings
PA-GF (glass fibre nylon): structural cab and accessory fittings
PETG-CF: tougher cosmetic and structural items
ESD-PETG: sensor enclosures with static sensitive electronics
Avoid: PLA in any field application
The outcome
The integrator finished the season with a working catalogue of bracket families, validated by their own installers, and a workflow for adding new machine variants when needed. Per unit costs sat comfortably below the closest machined alternative, and the lead time on a new variant collapsed from weeks to a few days.
From quarters to days
With a printed workflow the integrator can field a revised bracket inside a week, where the same change once meant a quarterly conversation with a sheet metal shop.
KEY TAKEAWAYS
Custom precision ag mounts are an ideal AM application
ASA and PA-GF dominate the material list for Australian conditions
Field iteration shortens lead time on new machine variants
Repair printing increasingly supports legacy plastic components
Talk to us via the quote system about your fleet