Indutherm SU 450: Precision Diffusion Bonding & Sintering Systems The Indutherm SU 450 series is the industry’s premier solution for the production of high-quality multi-color rings and bangles via the diffusion bonding process. By processing metals under precise pneumatic pressure at temperatures just below the solidus point, the SU 450 creates a molecular fusion between layers with the same structural durability as the metal itself. This pneumatic approach eliminates the mechanical risks associated with threaded spindles and thermal expansion, ensuring that pre-manufactured multi-color rings can be easily resized by 7 sizes or more without bond failure. Highly Sensitive Reduction Control The new SU 450 features a sophisticated sensor suite that monitors the material reduction in real-time to prevent over-deformation. Automatic Process Stop: Once a predefined reduction value (0.1 mm to 0.3 mm) is achieved, the system stops automatically to preserve ring geometry. Precision Temperature Regulation: Maintains temperature at critical levels until reduction begins, ensuring a perfect molecular bond every time. Pneumatic Pressure System: Generates pressure pneumatically, removing the risk of breaking graphite parts due to heat expansion. Vacuum & Inert Gas Capability: Essential for processing sensitive alloys, particularly those containing manganese or high-reactivity components. High-Volume Production Ready Designed for rapid cycles and digital integration, the SU series is built for modern jewelry manufacturing workflows. 5-Minute Process Cycles: Rapid bonding cycles allow for up to 10 sintering processes per hour. Multi-Ring Processing: Depending on thickness, up to 6 rings can be bonded simultaneously for maximum throughput. 100 Program Memory: Store and recall specialized recipes for various alloy combinations and ring dimensions via the LCD display. Data Connectivity: Standard RS 232, Ethernet, and USB interfaces with a built-in data printer for quality control and diagnostics. Technical Specifications Model SU 450 SU 450XL Max Temperature 1300°C 1300°C Max Power / Electrical 4.5 kW (3x400 V) 4.5 kW (3x400 V) Diffusion Bonding Ø Up to 35 mm Up to 70 mm Control System LCD Display / Full Text LCD Display / Full Text Sintering Cycles ≈ 10 per hour ≈ 10 per hour Model Power Temp Max Crucible Volume Programs Country of Origin Indutherm 4.5 kW 3x400V 1300°C 245 ccm = 3.6 kg Au 18 ct (Optional: 386 ccm = 5.8 kg Au 18 ct) 100 Germany Coast to Coast Support: Backed by Romanoff International’s extensive technical network, ensuring your high-production line remains operational with expert service and training across the country.
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