The 2021 Sibe Automation SBS 3648 is a heavy-duty vacuum forming machine built for precision thermoforming of plastic sheets up to 36" x 48". The fully adjustable pneumatic clamping frame with spring-loaded pins delivers positive mechanical hold across every cycle, while 12 independently controlled ceramic heating zones — driven by solid-state relays with soft-start sequencing — provide repeatable, energy-efficient thermal control at 25 watts per square inch. A 3 HP Becker vacuum pump feeding a 60-gallon accumulator tank and 1.5" high-flow pilot-operated vacuum valves generates the rapid pull-down needed for detailed, bubble-free parts, and the rack-and-pinion-stabilized bottom platen offers a fully adjustable 24" stroke on linear ball bearings. All operations are centralized on an Automation Direct 206 PLC with a C-More touch-screen HMI that stores up to 30 part recipes, allowing shops to move between jobs in minutes. Compared with earlier Sibe Automation single-heater or few-zone vacuum formers, the SBS 3648 is a significant step forward. Legacy units typically relied on a handful of broad heating zones and analog timers, forcing operators to over-heat portions of the sheet to achieve uniform draw — which led to thin spots, scrap, and inconsistent part quality. The SBS 3648's 12-zone ceramic heating grid, PLC-driven recipe storage, and automated soft-start sequence reduce both warm-up waste and cycle-to-cycle variability, and the addition of the C-More HMI makes part changeovers dramatically faster than on older push-button consoles. For shops moving into packaging, enclosures, signage, or automotive trim work, the added control resolution and stronger 3 HP Becker vacuum performance meaningfully raise the ceiling on achievable part detail and repeatability. MakeSibe Automation ModelSBS 3648 Year2021 Product #16735 Price Please login to see price. Make an Offer Get a Quote Share Ask a Question About This Machine The 2021 Sibe Automation SBS 3648 lets you pull crisp, production-grade thermoformed parts up to 36" x 48" with the kind of zone-by-zone heat control and vacuum authority that usually lives in shops two price brackets up. Step into thermoforming work you've been turning away — or scale the work you're already winning — with a lightly used, still-under-power machine that's ready to go, per the seller. **All descriptions and specifications are preliminary and must be confirmed by buyer prior to purchase.** Live Tooling / Milling Specifications Spindle Second Spindle Tool Changer Turret Control Tailstock / Steadyrest Options Product Description: 36" x 48" Forming Area 12 Independent Ceramic Heating Zones Pneumatic Clamping Frame with Spring-Loaded Pins 3 HP Becker Vacuum Pump 60 Gallon Accumulator Tank Automation Direct 206 PLC with C-More Touch Screen 30-Recipe Storage 24" Platen Stroke with Adjustable Speed and Length SMC Pneumatic Components 1.5" High-Flow Pilot-Operated Vacuum Valves Rack-and-Pinion Platen Stabilization NEMA 12 Electrical Enclosure, Air Cooled Soft-Start Heater Sequence