Supply of Metal 3D printing System at School of Electronics and Communication

Metal 3D Printing System Specification

(1) Technology: metal, polymer composite (2) Print Head: Single high-temperature direct-drive extruder with dual-drive gears. 1.75 mm filament (metal-polymer composite) diameter. All-metal hotend (e.g. hardened copper block) rated up to 500 °C for high-temp filaments. Volumetric flow ≥36 mm³/s (high-flow capacity with 1.4 mm nozzle). Dual-grip filament gears ensure reliable feeding. (3) Nozzle: Tool-free, hand-interchangeable nozzle at ambient temperature. (no heat-up or tools required). Standard nozzles (Ø0.6 mm) with swappable sizes up to ~1.4 mm for high-flow printing. (4) Layer Height: Down to 0.150 mm. (5) Positioning Precision: Positional accuracy X/Y 12.5 µm, Z 2.5 µm. Overall print accuracy ~±0.150 mm (6) Build Volume: 150 × 150 × 150 mm (green part). After sintering: ~120 × 120 × 120 mm (assuming 15–20% shrinkage). (7) Build Platform: Heated bed up to 120 °C with reinforced composite surface and automatic bed levelling. (8) Supported Materials: Metal composite filaments including stainless steels (316L, 17-4), nickel alloys (Inconel® 718), copper, bronze, etc. (9) Material Throughput: All-metal hotend and hardened nozzle handle abrasive metal filaments. (10) Temperature Capability: Hotend to ≥500 °C, bed to 120 °C. (11) Operating Conditions: Ambient 15–40 °C, 10–90% RH (non-condensing). Recommend the enclosed setup with ventilation. (12) Connectivity: USB, Wi‑Fi, optional Ethernet. Supports SD card/direct USB. (13) User Interface: 7″ colour touchscreen with intuitive menus. (14) Sensors & Safety: Filament run-out sensor, nozzle clog/flow sensor, thermal-runaway protection, end-stop & motor fault detection. (15) Machine Construction: Rigid steel frame (≥80 kg). Precision linear guides and bearings. Fixed metal gantry design. (16) Software: OEM slicing software (STL, OBJ, 3MF). Compatible with Windows/macOS/Linux. (17) Electrical & Safety: RFI filters, fuses, and certifications. Debinding & Sintering Furnace Specifications Kiln / Sintering Furnace with a Programmable Controller – Temp up to 1250 deg C Additional Requirements Local Content: Minimum 70% local sourcing or component value as per procurement policy. Installation & Training: Supplier to deliver, install, and commission system (printer + furnace). On-site operator training included. Documentation for operation, safety, and maintenance to be provided. Warranty & Support: Standard warranty would be 1 year against manufacturing defects from the date of dispatch. However, it does not cover abuse, misuse or damage caused by connection to unapproved systems or power supplies.