Ball Screw, Lead Screw, and Belt Driven Designs
PBC Linear® offers a versatile range of linear actuators, including belt-driven, ball screw-driven, and lead screw-driven models, designed for diverse applications with loads up to 83,400 N (18,750 lb) and stroke lengths reaching 6,000 mm (236 in). These actuators feature customizable carriage movement options, such as Gliding Surface Technology™ with self-lubricating undercarriage liners causing a gliding motion, plain linear pillow blocks on small rail-supported shafts or ball bearing profile rails. Equipped with integrated NEMA motors, motor mounts, or blank base plates, they offer various nut types, hand brakes, and screw diameters for tailored performance. Belt-driven actuators deliver high speed and long strokes, ideal for contamination-resistant, low-maintenance applications, though they offer lower precision and load capacity. Ball screw-driven actuators excel in high-load, high-stiffness scenarios, supporting cantilevered loads with preloaded nut designs and multiple accuracy classes, but require clean environments and periodic maintenance. Lead screw-driven actuators provide precise, smooth, and quiet operation with vibration dampening and self-lubricating features, available with fixed or anti-backlash nuts, though they are suited for lower loads and slower speeds. All incorporate robust components like linear rails, shafts, carriages, and bearings, ensuring size-interchangeable, durable solutions for automation, medical, and industrial applications.
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