The Elettrolaser Master 4.0 Laser Welder 225J is a professional benchtop laser welding system designed for precision work in jewelry manufacturing, jewelry repair, watchmaking, dental laboratories, and other applications where controlled, repeatable welds are essential. With up to 225 J of maximum energy, 80 W average power, a 7-inch color touchscreen, internal joystick control, and a Leica 10x stereomicroscope, the Master 4.0 combines substantial welding capability with precise control in a compact desktop format. Master 4.0 Laser Welder Key Features 225 J Maximum Energy: Provides substantial power for precision welding, repair, filling, and fabrication applications. 80 W Average Power: Supports consistent performance during demanding professional workshop use. 9 kWp Peak Power: Delivers concentrated laser energy for controlled localized welding. SMSP Pulse Technology: Supports stable and repeatable laser performance with controlled energy delivery. 7-Inch Color Touchscreen: Provides convenient access to welding parameters and stored settings. Internal Joystick Control: Allows parameter adjustments from inside the working chamber without interrupting the workflow. Leica 10x Stereomicroscope: Provides detailed magnification for accurate positioning and precision welding. Integrated Camera: Allows the working area to be viewed directly on the machine display. Motorized Spot Adjustment: Provides precise control over laser spot diameter for different materials and applications. 7 Preset Pulse Shapes: Offers additional control over how laser energy is delivered to the workpiece. 100 Memory Cells: Store frequently used welding parameters for repeatable repair and production work. Argon Nozzle: Supports shielding gas use during welding when required by the application. Professional Jewelry Welding and Repair The Master 4.0 is well suited for jewelry workshops that require accurate, localized welding with precise control over the heat-affected area. It can be used for professional work involving precious metals and other compatible alloys, including gold, platinum, silver, palladium, and titanium. Typical jewelry and watchmaking applications include: Ring and bracelet repair Jewelry restoration Precision welding near set gemstones Repairing porosity and small defects in cast components Adding filler metal during detailed repair work Watch and small component repair Fine jewelry fabrication and assembly Repetitive production welding Master 4.0 Technical Specifications Laser Source and Wavelength Nd:Ce:YAG, 1064 nm Average Power 80 W Peak Power 9 kWp Maximum Energy 225 J Impulse Time 0.1–25 ms Pulse Frequency 0.5–30 Hz Spot Diameter 0.2–2.0 mm Spot Adjustment Motorized Wave Programs 7 preset pulse shapes Stored Memory Cells 100 Internal Chamber Control Joystick External Control 7-inch color touchscreen Microscope Leica 10x stereomicroscope Argon Nozzle Yes Cooling Water and air cooling Power Supply 230 V AC, 50/60 Hz, 2.2 kW; 110 V available on request Type Desktop Dimensions 55 × 71.5 × 55 cm / 21.7 × 28.1 × 21.7 in Weight 35 kg / 77.2 lb Technical Documentation: View the Master 4.0 Technical Specifications (PDF). Precision Control for Professional Workshop Use The combination of touchscreen controls, an internal joystick, stored welding programs, motorized spot adjustment, and microscope-assisted viewing makes the Master 4.0 suitable for both individual repair jobs and repetitive production work. Frequently used welding parameters can be stored and recalled, helping improve consistency when similar operations are performed repeatedly. Its desktop configuration also allows the system to be integrated into a professional jewelry workshop without requiring the floor space associated with larger industrial welding equipment. Browse more jewelry soldering and welding equipment available from SEP Tools.
