| Category | Specifications |
|---|---|
| Laser System | • Laser Type: Fiber laser • Number of Lasers: iSLM420DN : 2 Lasers; iSLM420QN : 4 Lasers • Laser Power per Source: 500 W • Wavelength: 1064 nm |
| Recoating System | • Recoating Method: Dual-directional blade recoating • Layer Thickness Range: 0.02–0.15 mm • Standard Layer Thickness: 0.05 mm |
| Optical & Scanning System | • Laser Spot Size (diameter @ 1/e²): 0.06–0.20 mm • Scan Head: High-speed galvanometer (×2) • Recommended Part Scan Speed: 1.0–4.0 m/s • Jump Speed: ≥10.0 m/s • Typical Build Rate: 15~50cm³/h(iSLM420DN) |
| Shielding System | • Protective Atmosphere: Argon or nitrogen (argon required for reactive metals like Ti, Al) • Oxygen Content Control: <100 ppm • Gas Flow Rate: 0–5 L/min with intelligent regulation • Filtration: Integrated high-efficiency gas recirculation and powder filtration system |
| Build Chamber | • Build Envelope (X×Y×Z): 420 mm × 420 mm × 450 mm • Chamber Volume: Approx. 80 L • Maximum Part Weight: 150 kg • Heating Method: Precision resistance wire heating • Compatible Materials: Stainless steel (316L), aluminum alloy (AlSi₁₀Mg), titanium alloy (TC4 / Ti6Al4V), cobalt-chrome alloy (MP1), tool steel (MS1), nickel-based superalloy (IN718), high-conductivity copper (QCr1), etc. |
| Software & Connectivity | • Machine Control Software: iSLM (Presto SLM) • Data Preparation Software: 3dLayer • Supported File Formats: STL, SLC, CLI • Network Interface: Ethernet, TCP/IP, IEEE 802.3 |
| Installation Requirements | • Power Supply: 380 V AC (±10%), 50/60 Hz, three-phase, 25 A • Ambient Temperature: 20–26°C • Relative Humidity: <40% (non-condensing) • Machine Dimensions (W×D×H): 2.64m(W)×1.43m(D)×2.90m(H) • Machine Weight: Approx. 3500 kg |
| Warranty | • Laser Source: 5,000 hours or 12 months (whichever comes first) • Full Machine Warranty: 12 months from installation date |
Note: All specifications are subject to change without notice. For the latest official documentation, please contact a Forgecise representative.
TheiSLM420DN is an advanced industrial metal additive manufacturing system based on Selective Laser Melting (SLM) technology, designed for high-productivity, large-part production in demanding sectors such as aerospace, power generation, oil & gas, and precision tooling. Featuring a spacious 420 × 420 × 450 mm build envelope and dual 500W fiber lasers, it delivers exceptional build rates—up to 50 cm³/h—while ensuring >99% part density and excellent mechanical integrity.
As an enhanced evolution of the iSLM420 series, the “N” variant integrates refined process control, improved gas flow dynamics, and optimized software intelligence for greater consistency and ease of operation in 24/7 production environments. Key capabilities include:
By enabling direct digital fabrication of functional metal parts—eliminating tooling, casting, or lengthy machining—the iSLM420DN slashes lead times from weeks to days. It’s the strategic choice for manufacturers scaling metal AM from prototyping to serial production.















