Keerthika Technologies,
2-39/1/B, Beside DENA
Bank, Gowthami nagar,
Chandanagar, Hyderabad,
India - 500050
Direct granule extrusion at industrial scale. The GF500 brings screw-based FGF technology to a 500 × 500 × 500 mm build volume — slashing material costs and enabling engineering-grade polymer printing at real production throughput.
The GF500's large build volume, engineering-grade materials, and pellet economics open up applications that were previously impractical on filament-based systems.
Every subsystem of the GF500 is specified for industrial-grade reliability — from the high-precision ball screw Z-axis to the touch-screen Klipper-powered control interface.
Direct-drive motorized auger extrusion with independent heating zones for precise melt control across the entire barrel length. No Bowden losses — full torque at the melt zone.
XY axis uses precision guide rails for rigid, repeatable toolpath execution. The Z-axis is driven by high-precision ball screws — delivering accurate layer heights from 0.4 mm to 2 mm.
Integrated HEPA and activated carbon filtration captures particulate and VOC emissions from high-temperature polymer processing — making the GF500 safe for enclosed workshop environments.
The addon Material Dispensing System (MDS) enables continuous pellet feeding for long multi-hour or overnight runs without manual topping. Pellet presence is monitored at both hopper and extruder.
HDMI-connected 5-inch capacitive touchscreen running Klipper's Mainsail/Fluidd interface. Accessible nozzle temperature, bed temperature, print progress, and live motion controls at a glance.
Runs open-source Klipper firmware — enabling advanced features like pressure advance, input shaping, and remote control via USB, Ethernet, or Wi-Fi. Slices with Cura, Simplify3D, and PrusaSlicer.
Spring-steel magnetic PEI sheet provides excellent part adhesion during printing and simple, flex-off part removal when cooled. Toughened glass bed available as an alternative for specialty materials.
Automatic bed levelling compensates for surface variation across the full 500 × 500 mm build plate — ensuring consistent first-layer adhesion on every print without manual tramming
Fully enclosed in powder-coated steel for thermal stability, EMI shielding, and structural rigidity. The enclosed chamber reaches up to 60°C — enabling warping-free printing of ABS, ASA, and engineering polymers.
Complete technical parameters for the GF500. All specifications subject to revision as the product reaches final production configuration.
The GF500 accepts standard 2–4 mm industrial thermoplastic pellets. Commodity grades printable directly — no specialised filament required. Additional materials under ongoing testing.
Pellet extrusion fundamentally changes the economics of large-format printing. The GF500 delivers print speeds and throughput figures that make large structural parts viable in a single shift.
The GF500 prints at 30–80 mm/s and moves at up to 120 mm/s. Combined with the 2 mm nozzle and high flow rate, large parts that would take days on a filament printer complete in hours.
At 0.5 kg/hr, a 2 kg structural bracket is complete in under 4 hours. At industrial pellet pricing of ₹150–250/kg, that's ₹300–500 in material — versus ₹2,000–4,000 on filament.
