he SD 105 is a friction feeder specifically designed with vacuum belts to ensure high-speed, accurate feeding of diverse materials.<>​The Petratto system is highly modular, allowing it to grow with specific production needs through various attachments.<>Common jobs include:<>Packaging: Straight-line boxes, crash-lock boxes, and sleeves.<>Office and Marketing: Presentation folders, CD/DVD wallets, and credit card holders.<>Mailing: Envelopes, airline ticket wallets, and capacity folders.<>Specialized Converting: Application of double-sided adhesive tape or silicone tape.<>Equipment Features<>Machines from this era frequently featured:<>Modular Design: Open roller table structure for maximum visibility and the ability to add/remove modules like turning devices or extra folding sections.<>Digital Management: A central console for controlling the product path and interfacing with various attachments.<>Precision Tools: Diamond-shaped bars for faster set-up and lower bridges for easier operator access.