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Linear systems for high speed and precision

Home Metals Machine Tools Linear systems for high speed and precision

BMG’s linear motion systems and associated products are designed for high speed, high precision performance, to meet the rigorous demands of technologically advanced engineering.

That’s according to Wayne Holton, the company’s Business Unit Manager, Bearings, Seals and Gaskets division. “With the growing trend for companies to move away from manual machine operation to specialised mechanisation as part of cost saving programmes, BMG has made a substantial investment in expanding our product range to meet specific demand in economical and highly complex applications,” he said.

BMG’s linear way products include linear guides, runner blocks, rails, ball screws, bushings and shafts, designed for use in diverse applications, including OEMs, the machine tool sector, automotive plants, design houses, packaging, beverage plants, robotics, brick and glass manufacturing, paper, pulp and wood industries, as well as for measuring systems.

Key to precision instruments are linear guides, which are used in conjunction with compact ball screws that are locked onto a platform and linked to a servo motor, to produce linear motion. The primary function of the guide is to allow the platform to maintain high precision, high rigidity and high load motion.

BMG’s cable carrier systems, which are intended to ensure smooth and quiet motion of machinery, extend from individual components for standard applications, to complete system solutions for more complex applications.

Standard components are suitable for machine tools, cranes and steel, as well as medical and laboratory systems, while specialised components are required for more demanding applications, like industrial robots, offshore rigs and aerospace.

BMG also supplies custom manufactured systems for specific requirements. Cable carrier systems are available in heavy-duty steel and durable, lightweight plastic materials.

The company’s slew ring bearings, which link two mechanical components on one axis of rotation, are capable of handling axial, radial and moment loads.

Holton said advantages over a traditional bearing arrangement, include the requirement for a reduced number of rolling elements, less machining, quicker and easier assembly, weight and space saving, and thus lower capital investment and operating costs. Downtime for maintenance is also reduced.

The range includes ball and roller, wire race bearings and high precision slewing rings – with or without internal or external gears.

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